Model 8. Power Wheel. Planetary Gear Drive
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- Clement Leonard
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1 Model 8 Power Wheel Planetary Gear Drive
2 CONTENTS Introduction 3 Model 8 Wheel Drives - Double Reduction 4-5 Model 8 Wheel Drives w/a2 Series Integral Parking Brake - Double Reduction 6-7 Model 8 Shaft Output Drives - Single & Double Reduction 8-9 Model 8 Shaft Output Drives w/a2 Series Integral Parking Brake - Single & Double Reduction Model 8 Shaft Input/Shaft Output Drives - Double Reduction Model 8 Series B Wheel Drives - Double Reduction Model 8 Series B Wheel Drives w/a2 Series Integral Parking Brake - Double Reduction Model 8 Series B Shaft Output Drives - Double Reduction Model 8 Series B Shaft Output Drives w/a2 Series Integral Parking Brake - Double Reduction Model 8 Series B Spindle Output Drives - Double Reduction Model 8 Series B Spindle Output Drives w/a2 Series Integral Parking Brake- Double Reduction Model 8 Series B Shaft Input/Shaft Output Drives - Double Reduction Model 8 Shaft and Spindle Output Options 28 Model 8 Series B Shaft and Spindle Output Options 29 Model 8 and Model 8 Series B Other Options 30 Lubrication Data / Warranty Information 31 2
3 Power Wheel Final Drives INTRODUCTION Auburn Gear is your reliable source for a variety of power transfer products. This catalog features the Model 8 family of Power Wheel Planetary Gear Drives. Other models of Power Wheels are also available; for a complete offering, contact Auburn Gear. We also offer planetary gear kits, conventional and spin resistant differentials and ring and pinion sets. We offer you services for design, engineering, prototype support and full testing and production capabilities. Product applications include access, agricultural, automotive, construction, forestry, industrial and marine. Auburn Gear offers you quality and reliability backed by more than 50 years of experience. Greater Design Flexibility Power Wheel planetary drives allow greater flexibility than conventional power train systems and often eliminate the need for components such as drive shafts, axles and chain drives. The many models and styles offered meet a wide range of mobile and industrial application requirements. Single, double and triple reduction ratios can be furnished. In addition, they can be supplied with a variety of motor mounts and inputs which allow them to be used with most makes of hydraulic motors. High Efficiency and Compact Design Providing 94 to 98% power transfer efficiency, Power Wheel planetary drives are significantly more efficient than many other types of drives, including differential design planetaries. The rugged, compact design of these drives saves space and provides for long service life. All models can be furnished with parking brakes. Auburn Gear has designed integral parking brakes in Models 5, 6, 6B, 7, 8, 8B and 9. These units provide a very compact planetary drive/ parking brake package which is particularly useful in applications where space is limited. Responsive Performance Power Wheel drives deliver the power you require for smooth operation and precise control. These units are also fully reversible. Reverse power is easily obtained by reversing rotation of the input. For vehicle applications, the positive traction provided by individually powered wheels results in superior maneuverability and improved ground clearance than conventional drive systems. Auburn Gear Power Wheel drives can be an efficient solution for any application where you need to increase torque or reduce speed to achieve usable power. Let Power Wheel planetary drives help you put power in its place. MODEL 8 FEATURES RUGGED HUB PROVIDES RESISTANCE TO IMPACT LOADS HIGH CAPACITY TAPERED ROLLER BEARINGS ALLOW HIGHER RADIAL LOADS STANDARD DISCONNECT PROVIDES EASE IN TOWING INDUCTION HARDENED SPINDLES PROVIDE RESISTANCE TO BEARING AND SEAL WEAR AND EXCELLENT STRENGTH OPTIMIZED GEAR GEOMETRY INCREASES THE CONTACT RATIO, WHICH ENHANCES GEAR LIFE 3
4 Model 8 Wheel Drives Double Reduction Max. intermittent output torque 1,2 100,000 lb-in (11,300Nm) Max. input speed ,000 RPM GENERAL SPECIFICATIONS Power Wheel Approximate Weight lbs (76.7 kg) Oil capacity oz (1,390 cc) For Lubrication Data, see Page 31 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limits, contact Auburn Gear. Dimensions given in: INCHES (mm) SAE B, B1, C 8 Thru Holes, ( ) Eq. Sp. on the following Bolt Circles: SAE B: (215.90) SAE C: (234.95) (Motor mounting holes are 22.5 offset from spindle mounting holes as shown) SAE B, B1, B4, B5:.52 (13.2) SAE C, C4, C5:.62 (15.8) SAE B, B1, B4, B5:.71 (18.0) SAE C, C4, C5:.61 (15.5) SAE B, B1: 5.35 (135.9) SAE C: 5.25 (133.4) (287.0) 8 Thru Holes ( ) Equally Spaced.76 (19.3) SEE MOUNTING CHART SAE B: 9.94 (252.5) SAE C: (271.5) B1, B4, B5, C4, C5: (277.1) SAE B: ( ) SAE C: ( ) B1, B4, B5, C4, C5: ( ) For stud dimensions, See Feature Chart on Page (279.91) (270.0) (314.32) (334.95) (350.5) (393.7) 8 Tapped Thru Holes, (15.88) 11 UNC, Equally Spaced on the following Bolt Circle: B1, B4, B5, C4, C5: (241.30) (Motor mounting holes are in-line with spindle mounting holes) B4, B5, C4, C5 Output Rotation Opposite to Input Rotation MAX SHAFT LENGTH: SAE B, B1, B4, B5: (45.69) SAE C, C4, C5: (58.65) PREFERRED CENTER of WHEEL or LOAD: SAE B, B1, C: 2.47 (62.7) B4, B5, C4, C5: 1.22 (31.0) B4, B (104.1) C4, C (101.6).96 (24.4) 10 Thru Holes B5, C ( ) Equally Spaced B4, C ( ) Equally Spaced 4 Stud Length Wheel Stud Detail Note that the stud lengths shown in the feature chart represent the total length of the stud under the head. NON-POWERED UNITS ARE ALSO AVAILABLE Contact Auburn Gear for Information
5 FEATURE CHART: MODEL 8 WHEEL DRIVES DOUBLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO WHEEL STUDS SPECIAL FEATURES DESCRIPTION SAE B B1 B4 B5 SAE C C4 C5 13T. 16 /32 14T. 12 /24 15T. 16 / : : : : : : : :1 1 /2 x /16 x /8 x /4 x 3.21* NONE Brake Disc** Boot Seal Brake Disc Holes Quick Disconnect Oil Plugs/Spindle Side High Strength Carrier MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8WB 8WB1 8WB4 8WB5 8WC 8WC4 8WC D Z DH Q P Y * Available with B5 and C5 mountings only ** Customer supplied, Auburn Gear assembled BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8WB Q 8WB Q ALLOWABLE RADIAL LOAD LBS (KG) 20,000 (9,070) 17,500 (7,936) 15,000 (6,803) 12,500 (4,535) 10,000 (4,536) 7,500 (3,401) 5,000 (2,268) 2,500 (1,134) 6 PREFERRED CENTER OF LOAD BEARING LIFE SAE B, B1, C: 2.47 (62.7) BEARING LIFE CURVE BASED ON LIFE = 3000 HRS. B10 SPEED = 100 RPM MAXIMUM LOAD LINE WHEEL FLANGE MTG. FACE B4, B5, C4, C5: 1.22 (31.0) (152.4) (127.0) (101.6) (76.2) (50.8) (25.4) (0.0) (-25.4) (-50.8) (-76.2) (-101.6) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining wheel position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS SAE B, B1, B4, B5 (2).500 (12.70) -13 UNC 2B Thd Holes on (146.05) B. C. SAE C, C4, C5 (4).500 (12.70) -13 UNC 2B Thd Holes on (161.93) B. C. DIAMETER Ø ( ) Ø ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE B 2 155, SAE C The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 5
6 Model 8 Wheel Drives Double Reduction Power Wheel with A2 Series Integral Parking Brake PISTON: Improved design for superior life at higher pressures FRICTION DISCS: Heavy Duty Graphitic Paper for wet sump applications. Characteristics: Superior energy capability, high and stable coefficient of friction and smooth engagement. GENERAL A2 SERIES DATA: 1. Maximum operating pressure is 3,000 psi (206.4 Bar). Pressure spikes or surges not to exceed 3,500 psi (240.8 Bar). Surge pressure in excess of 3,500 psi (240.8 Bar) caused by spikes in the hydraulic system could shorten brake life and must be avoided. 2. Use only SAE grade 8 mounting bolts and torque to lb. ft. ( N-m) for motor mounting. 3. PRECAUTION: Bench testing may cause distortion of components or bolt failure. Mounting bolts must be used for supplemental clamping. 4. Minimum Release Pressure is defined as the hydraulic pressure required to obtain full running clearance. 5. Cubic Inch Displacement is the volume of oil required to release the brake piston: 1.0 in 3 (16.4cc) for a new brake and 2.0 in 3 (32.8cc) for a worn brake pack - SAE B, B1, B4, B5; 0.7 in 3 (11.5cc) for a new brake and 1.6 in 3 (26.2cc) for a worn brake pack - SAE C, C4, C5.
7 Model 8 Wheel Drives Double Reduction GENERAL SPECIFICATIONS Power Wheel with A2 Series Integral Parking Brake Max. intermittent output torque 1,2 100,000 lb-in (11,300Nm) Max. input speed ,000 RPM Approximate Weight lbs (84.4 kg) Oil capacity oz (1,540 cc) 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limit, contact Auburn Gear. 3 For input speeds between 2,000 and 3,600 rpm please contact Auburn Gear for duty cycle analysis. Dimensions given in: INCHES (mm) SAE B, B1, B4, B5 short: 2.77 (70.4) SAE B, B1, B4, B5 long: 3.16 (80.3) SAE C, C4, C5: 3.65 (92.7) SAE B, B1, SAE B, B1 SAE B, B1,C Thru Holes Equally Spaced ( ) on the Following Bolt Circles: SAE B: (215.90) SAE C: 9.25 (234.95) (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port Per SAE J Places as Shown - SAE B, B1, B4, B Places SAE B, B1, B4, B5.65 (16.5) 2 Places - SAE B, B1, B4, B5.79 (20.1) 1 Place - SAE C, C4, C5 SAE B: (254.0) B1, B4, B5, SAE C, C4, C5: (277.1) Pressure Port Location SAE B: ( ) B1, B4, B5, SAE C, C4, C5: ( ) SAE B, B1, B4, B5: 6.80 (172.7) SAE C, C4, C5: 7.85 (199.4).71 (18.0) B4, B5, C4, C5 8 Tapped Holes,.625 (15.88) - 11 UNC Equally Spaced on the Following Bolt Circle: B1, B4, B5, C4, C5: 9.50 (241.30) Motor Surface to Threaded Bottom 3.01 (76.5) - SAE B, B1, B4, B5 - short 3.39 (86.1) - SAE B, B1, B4, B5 - long 3.58 (90.9) - SAE C, C4, C5 See Motor Mounting Chart MAX. SHAFT LENGTH (63.35) - 13T - SAE B, B1, B4, B5 - long (53.44) - 13T - SAE B, B1, B4, B5 - short (69.29) - 14T - SAE C, C4, C PREFERRED CEN OF WHEEL OR LO SAE B, B1, C: 2.47 SAE B4, B5, C4, C5: (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port per SAE J1926 One Place as Shown - SAE C, C4, C5 6 SAE C Motor Mounting
8 Stud Length Wheel Stud Detail Note that the stud lengths shown in the feature chart represent the total length of the stud under the head. NON-POWERED UNITS ARE ALSO AVAILABLE Contact Auburn Gear for Information SAE C BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE B4 2,400 lb-in (271 N-m) 135 PSI (9.3 Bar) B6 3,600 lb-in (407 N-m) 180 PSI (12.4 Bar) B7 4,200 lb-in (475 N-m) 210 PSI (14.5 Bar) Maximum Release Pressure = 3,000 PSI (206.4 Bar) SAE B BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE STYLE B1 1,540 lb-in (174 N-m) 190 PSI (13.1 Bar) Short B2 1,800 lb-in (203 N-m) 220 PSI (15.1 Bar) Short B3 2,400 lb-in (271 N-m) 290 PSI (20.0 Bar) Short B4 2,400 lb-in (271 N-m) 160 PSI (11.0 Bar) Long B5 3,200 lb-in (362 N-m) 220 PSI (15.1 Bar) Long B6 3,600 lb-in (407 N-m) 230 PSI (15.8 Bar) Long B7 4,200 lb-in (475 N-m) 260 PSI (17.9 Bar) Long Maximum Release Pressure = 3,000 PSI (206.4 Bar).65 (16.5) 2 Places - SAE B, B1, B4, B5.79 (20.1) 1 Place - SAE C, C4, C5 13) - 2B read ure Port 926 hown - B4, B5 aces B4, B5 SAE B, B1, B4, B5 short: 2.77 (70.4) SAE B, B1, B4, B5 long: 3.16 (80.3) SAE C, C4, C5: 3.65 (92.7) SAE B: (254.0) B1, B4, B5, SAE C, C4, C5: (277.1) Pressure Port Location SAE B: ( ) B1, B4, B5, SAE C, C4, C5: ( ) SAE B, B1, B4, B5: 6.80 (172.7) SAE C, C4, C5: 7.85 (199.4).71 (18.0) SAE B, B1, B4, B5 w/short version brake: (343.2) SAE B, B1, B4, B5 w/long version brake: (352.8) SAE C, C4, C5: (365.3) 5.35 (135.9).76 (19.3) For Stud Dimensions see Feature Chart on Page 7 and Detail Drawing above (279.91) 8 Thru Holes Equally Spaced ( ) (270.0) (314.33) (334.95) (350.5) (393.7) Motor ting art MAX. SHAFT LENGTH (63.35) - 13T - SAE B, B1, B4, B5 - long (53.44) - 13T - SAE B, B1, B4, B5 - short (69.29) - 14T - SAE C, C4, C (104.2).96 (24.4) 10 Thru Holes Equally Spaced B4, C4: ( ) B5, C5: ( ) PREFERRED CENTER OF WHEEL OR LOAD SAE B, B1, C: 2.47 (62.7) SAE B4, B5, C4, C5: 1.22 (31.0)
9 MOTOR PILOT/HUB INPUT SPLINE RATIO WHEEL STUDS PARKING BRAKE SPECIAL FEATURES FEATURE CHART: MODEL 8 WHEEL DRIVES DOUBLE REDUCTION with BRAKE LONG VERSION SHORT VERSION DESCRIPTION SAE B B1 B4 B5 SAE C C4 C5 13T /32 14T /24 15T / : : : : : : : :1 1 /2 by /16 by /8 by /4 by 3.21* NONE 1,540 lb-in 1,800 lb-in 2,400 lb-in 2,400 lb-in 3,200 lb-in 3,600 lb-in 4,200 lb-in Brake Disc** Boot Seal Brake Disc Holes Quick Disconnect Oil Plugs/Spindle Side High Strength Carrier MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8WB 8WB1 8WB4 8WB5 8WC 8WC4 8WC B1 B2 B3 B4 B5 B6 B7 D Z DH Q P Y Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: 8WB B7 Z * Available with B5, and C5 mountings only ** Customer supplied, Auburn Gear assembled BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS DIAMETER SAE B, B1, B4, B5 (2).500 (12.70) -13 Ø UNC 2B Thd Holes on (146.05) B. C. ( ) SAE C, C4, C5 (4).500 (12.70) -13 UNC Ø B Thd Holes on (161.93) B. C. ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE B 2 155, SAE C USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8WB B7 Z ALLOWABLE RADIAL LOAD LBS (KG) 20,000 (9,070) 17,500 (7,936) 15,000 (6,803) 12,500 (4,535) 10,000 (4,536) 7,500 (3,401) 5,000 (2,268) 2,500 (1,134) 6 PREFERRED CENTER OF LOAD BEARING LIFE SAE B, B1, C: 2.47 (62.7) BEARING LIFE CURVE BASED ON LIFE = 3000 HRS. B10 SPEED = 100 RPM MAXIMUM LOAD LINE WHEEL FLANGE MTG. FACE B4, B5, C4, C5: 1.22 (31.0) (152.4) (127.0) (101.6) (76.2) (50.8) (25.4) (0.0) (-25.4) (-50.8) (-76.2) (-101.6) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining wheel position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 7
10 Model 8 Shaft Output Drives Single and Double Reductions Power Wheel GENERAL SPECIFICATIONS SINGLE REDUCTION DRIVES DOUBLE REDUCTION DRIVES Max. intermittent output torque 1,2 60,000 lb-in (6,780 Nm) Max. input speed ,500 RPM Approximate Weight lbs (54 kg) Oil capacity oz (1,125 cc) Max. intermittent output torque 1,2 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (70.3 kg) Oil capacity oz (1,242 cc) 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limits, contact Auburn Gear. Dimensions given in: INCHES (mm) SAE A, B, C, D SINGLE REDUCTION SAE A, A1: 9.63 (244.6) + Dim. "A" SAE C, C1: 9.54 (242.3) + Dim. "A" SAE D, D1: (261.4) + Dim. "A" DOUBLE REDUCTION SAE A, A1: (294.9) + Dim. "A" SAE B, B1: (261.6) + Dim. "A" SAE C, C1: (292.6) + Dim. "A" DIM "A" 3.74 (95.0).76 (19.3) (See Output Shaft Options Page 28) 2.47 (62.7) PREFERRED CENTER OF LOAD SAE A, A1:.300 (7.62) SAE B, B1:.395 (10.03) SAE C, C1:.520 (13.21) SAE D, D1:.560 (14.22) For Lubrication Data, see Page 31 INPUT SPLINE See Feature Chart SAE A, B, C, D: 8 Holes, Equally Spaced ( ) Dia. Thru Holes OIL FILL OR DRAIN PLUG (393.7) (350.5) (334.95) (314.3) (279.4) (285.8) OIL LEVEL CHECK (270.0) SEE MOUNTING CHARRT OIL LEVEL CHECK (NOT ON "C" MOUNTS) DIM "A" (See Output Shaft Options Page 28) SAE A1, B1, C1, D (58.2) SAE A, A1 Hole Layout.96 (24.4) 1.22 (31.0) PREFERRED CENTER OF LOAD MAX. SHAFT LENGTH (60.78) - 14T, SAE "A" (58.37) - 14T, SAE "C" (58.37) - 13T, SAE "D" (58.37) - 21T, SAE "C" MOTOR TO BE MOUNTED WITH OIL SEALING BOLTS "O" RING REQUIRED "O" Ring Sizes: SAE A SAE B SAE C SAE D (Not supplied by Auburn Gear) OIL FILL OR DRAIN PLUG Output Rotation Is Same As Input Rotation SAE A1, B1, C1, D1: 10 Holes, Equally Spaced ( ) Dia. Thru Holes MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS DIAMETER SAE A, A1 (4).500 (12.70) -13 UNC Ø B Thd Holes on (106.38) B. C. ( ) SAE B, B1 (2).500 (12.70) -13 UNC Ø B Thd Holes on (146.05) B. C. ( ) SAE C, C1 (4).500 (12.70) -13 UNC Ø B Thd Holes on (161.93) B. C. ( ) OR (2).625 (15.88) -11 UNC 2B Thd Holes on (180.98) B. C. SAE D, D1 (4).750 (19.05) -10 UNC 2B Thd Holes on (228.60) B. C. Ø ( ) 8 O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE A 2 042, SAE B 2 155, SAE C 2 159, SAE D 2 163
11 FEATURE CHART: MODEL 8 SHAFT DRIVES - SINGLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO SHAFTS DESCRIPTION SAE A A1 SAE C C1 SAE D D1 13T - 8/ 16 14T - 12 /24 21T - 16/ :1 4.86:1 5.50: :1 23T - 12 / Keyed 3.0 Keyed 20T - 8 /16 23T - 8 /16 23T - 8 / Round 2.56 Round 2.0 Hex 2.0 Hex Spindle Spindle MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8TA 8TA1 8TC 8TC1 8TD 8TD K1 K S 23L A1 A2 H1 H2 F2 F3 Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8TC K1 8TC K1 FEATURE CHART: MODEL 8 SHAFT DRIVES - DOUBLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO SHAFTS DESCRIPTION SAE A A1 SAE B B1 SAE C C1 13T - 16 /32 14T - 12 / : : : : : : : T - 12 / Keyed 3.0 Keyed 20T - 8 /16 23T - 8 /16 23T - 8 / Round 2.56 Round 2.0 Hex 2.0 Hex Spindle Spindle MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8SA 8SA1 8SB 8SB1 8SC 8SC K1 K S 23L A1 A2 H1 H2 F2 F3 USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8SB Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: 8SB BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY ALLOWABLE RADIAL LOAD LBS (KG) 25,000 (11,338) 20,000 (9,070) 15,000 (6,803) 10,000 (4,536) 5,000 (2,268) PREFERRED CENTER OF LOAD BEARING LIFE CURVE BASED ON LIFE = 3000 HRS. B10 SPEED = 100 RPM BEARING LIFE SAE A, B, C 2.47 (62.7) A1, B1, C (31.0) FLANGE MTG. FACE MAXIMUM LOAD LINE (203.2) (177.8) (152.4) (127.0) (101.6) (76.2) (50.8) (25.4) (0.0) (-25.4) (-50.8) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining load position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 9
12 Model 8 Shaft Output Drives Single and Double Reductions Power Wheel with A2 Series Integral Parking Brake PISTON: Improved design for superior life at higher pressures FRICTION DISCS: Heavy Duty Graphitic Paper for wet sump applications. Characteristics: Superior energy capability, high and stable coefficient of friction and smooth engagement. GENERAL A2 SERIES DATA: 1. Maximum operating pressure is 3,000 psi (206.4 Bar). Pressure spikes or surges not to exceed 3,500 psi (240.8 Bar). Surge pressure in excess of 3,500 psi (240.8 Bar) caused by spikes in the hydraulic system could shorten brake life and must be avoided. 2. Use only SAE grade 8 mounting bolts and torque to lb. ft. ( N-m) for motor mounting. 3. PRECAUTION: Bench testing may cause distortion of components or bolt failure. Mounting bolts must be used for supplemental clamping. 4. Minimum Release Pressure is defined as the hydraulic pressure required to obtain full running clearance. 5. Cubic Inch Displacement is the volume of oil required to release the brake piston: 1.0 in 3 (16.4cc) for a new brake and 2.0 in 3 (32.8cc) for a worn brake pack. - SAE B, B1; 0.7 in 3 (11.5cc) for a new brake and 1.6 in 3 (26.2cc) for a worn brake pack - SAE C, C1. 6. For vertical shaft output applications, shaft up or shaft down, please contact Auburn Gear to insure proper brake configuration is specified.
13 Model 8 Shaft Output Drives Double Reduction Power Wheel with A2 Series Integral Parking Brake 1 GENERAL SPECIFICATIONS Max. intermittent output torque 2,3 100,000 lb-in (11,300Nm) Max. input speed ,000 RPM Approximate Weight lbs (83.9 kg) Oil capacity oz (1,597 cc) For Lubrication Data, see Page 31 1 For vertical applications, shaft up or shaft down, contact Auburn Gear. 2 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 3 If application exceeds published limit, contact Auburn Gear. 4 For input speeds between 2,000 and 3,600 rpm please contact Auburn Gear for duty cycle analysis. Dimensions given in: INCHES (mm) (350.5) (393.7) SAE B, C Dim A (See Output Shaft Options P.28) (314.3) (334.95) (285.8) (279.4) Dim A (See Output Shaft Options P.28) (340.4) + Dim. A - SAE B, B1 - short (350.0) + Dim. A - SAE B, B1 - long (362.5) + Dim. A - SAE C, C (95.0).76 (19.3) 2.47 (62.7) PREFERRED CENTER OF LOAD SAE B, B (10.0) SAE C, C (13.1) 0.65 (16.6) 2 PLACES - SAE B, B (20.1) 1 PLACE - SAE C, C (172.7) - SAE B, B (199.4) - SAE C, C (270.0) (11.1 Stra O-Ring Pressure Port Location Per 2 Plac - S LEVEL PLUGS (Both Sides) O RING REQUIRED O Ring Sizes: SAE B 2-155, SAE C (Not supplied by Auburn Gear) MAX. SHAFT LENGTH 3.51 (89.2) - 13T - SAE B, B1 long (69.29) - 14T - SAE C, C1 SAE B1, C (58.2).96 (24.4) 1.22 (31.0) PREFERRED CENTER OF LOAD 3.35 (85.1) - SAE B, B1 - short 3.73 (94.7) - SAE B, B1 - long 4.22 (107.2) - SAE C, C1 10
14 SAE C BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE B4 2,400 lb-in (271 N-m) 135 PSI (9.3 Bar) B6 3,600 lb-in (407 N-m) 180 PSI (12.4 Bar) B7 4,200 lb-in (475 N-m) 210 PSI (14.5 Bar) Maximum Release Pressure = 3,000 PSI (206.4 Bar) MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS DIAMETER SAE B, B1 (2).500 (12.70) -13 UNC Ø B Thd Holes on (146.05) B. C. ( ) SAE C, C1 (4).500 (12.70) -13 UNC Ø B Thd Holes on (161.93) B. C. ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE B 2 155, SAE C SAE B BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE STYLE B1 1,540 lb-in (174 N-m) 190 PSI (13.1 Bar) Short B2 1,800 lb-in (203 N-m) 220 PSI (15.1 Bar) Short B3 2,400 lb-in (271 N-m) 290 PSI (20.0 Bar) Short B4 2,400 lb-in (271 N-m) 160 PSI (11.0 Bar) Long B5 3,200 lb-in (362 N-m) 220 PSI (15.1 Bar) Long B6 3,600 lb-in (407 N-m) 230 PSI (15.8 Bar) Long B7 4,200 lb-in (475 N-m) 260 PSI (17.9 Bar) Long Maximum Release Pressure = 3,000 PSI (206.4 Bar) 0.65 (16.6) 2 PLACES - SAE B, B (20.1) 1 PLACE - SAE C, C1 SAE B, C: 8 Holes Equally Spaced ( ) Dia. Thru Holes (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port Pressure Port Location Per SAE J Places as Shown - SAE B, B1 LEVEL PLUGS (Both Sides) Oil Fill or Drain Plug 6.80 (172.7) - SAE B, B (199.4) - SAE C, C (270.0) 30 2 Places - SAE B, B1 O RING REQUIRED O Ring Sizes: SAE B 2-155, SAE C (Not supplied by Auburn Gear) LOAD MAX. SHAFT LENGTH 3.51 (89.2) - 13T - SAE B, B1 long (69.29) - 14T - SAE C, C (85.1) - SAE B, B1 - short 3.73 (94.7) - SAE B, B1 - long 4.22 (107.2) - SAE C, C1 Magnetic Drain Plug Output Rotation Same as Input Rotation SAE B1, C1: 10 Holes Equally Spaced ( ) Dia. Thru Holes Motor Surface to Threaded Bottom 3.01 (76.5) - SAE B, B1 - short 3.39 (86.1) - SAE B, B1 - long 3.58 (90.9) - SAE C, C1 SAE C Motor Mounting.438 (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port per SAE J1926 One Place as Shown - SAE C, C1
15 MOTOR PILOT/HUB INPUT SPLINE RATIO SHAFT PARKING BRAKE FEATURE CHART: MODEL 8 SHAFT DOUBLE REDUCTION with BRAKE LONG VERSION SHORT VERSION DESCRIPTION SAE B SAEB1 SAE C SAE C1 13T - 16 /32 14T. 12 / : : : : : : : :1 23T. 12 / Keyed 3.0 Keyed 20T. 8 /16 23T. 8 /16 23T. 8 / Round 2.56 Round 2.0 Hex 2.0 Hex Spindle Spindle 1,540 lb-in 1,800 lb-in 2,400 lb-in 2,400 lb-in 3,200 lb-in 3,600 lb-in 4,200 lb-in MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8SB 8SB1 8SC 8SC K1 K S 23L A1 A2 H1 H2 F2 F3 B1 B2 B3 B4 B5 B6 B7 Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8SC BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY B7 8SC B7 ALLOWABLE RADIAL LOAD LBS (KG) 25,000 (11,338) 20,000 (9,070) 15,000 (6,803) 10,000 (4,536) 5,000 (2,268) PREFERRED CENTER OF LOAD BEARING LIFE CURVE BASED ON LIFE = 3000 HRS. B10 SPEED = 100 RPM BEARING LIFE FLANGE MTG. FACE MAXIMUM LOAD LINE SAE B, C 2.47 (62.7) B1, C (31.0) (203.2) (177.8) (152.4) (127.0) (101.6) (76.2) (50.8) (25.4) (0.0) (-25.4) (-50.8) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining load position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 11
16 Power Wheel Model 8 Shaft Input/Shaft Output Drives - Double Reduction GENERAL SPECIFICATIONS Max. intermittent output torque 1,2 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (83.9 kg) Oil capacity oz (1,597 ml) For Lubrication Data, see Page 31 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limits, contact Auburn Gear. Dimensions given in: INCHES (mm) (376.9) + Dim. A 4.50 (114.3) + Dim. A (262.6) REF 8.07 (205.0) 8S Dim. A (See Output Shaft Options P.28) 3.74 (95.0) 0.76 (19.3) Preferred Center of Load 2.47 (62.7) 2.20 (55.9).375 (9.53) - 16 UNC - 2B Thd 1.00 (25.4) Minimum Deep O ø.015 Oil Level Check 8 Holes Equally Spaced ( ) Dia. Thru Holes Filler Plug (350.5) (314.33) (285.8) 1.84 (46.7) FULL KEYWAY.538 (13.67).533 (13.54).378 (9.60).376 (9.55) (393.7) (334.95) (279.4) 8S1 Dim. A (See Output Shaft Options P.28) 2.29 (58.2).96 (24.4) Preferred Center of Load 1.22 (31.0) (38.07) (38.05) ø (270.0) (269.5) ø Output Rotation Same as Input Rotation 10 Holes Equally Spaced ( ) Dia. Thru Holes Magnetic Drain Plug Oil Level Check 12
17 FEATURE CHART: MODEL 8 SHAFT INPUT/SHAFT DRIVES - DOUBLE REDUCTION HUB INPUT SHAFT RATIO SHAFTS DESCRIPTION Small Flange Large Flange 1 1 /2 Keyed 15.39: : : : : : : :1 23T. 12 / Keyed 3.0 Keyed 20T. 8 /16 23T. 8 /16 23T. 8 /16 MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8S 8S1 KOO K1 K S 23L USE OPTION ORDER CODES TO BUILD ORDER NUMBER Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: 8S KOO S KOO BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY ALLOWABLE RADIAL LOAD LBS (KG) 25,000 (11,338) 20,000 (9,070) 15,000 (6,803) 10,000 (4,536) 5,000 (2,268) PREFERRED CENTER OF LOAD BEARING LIFE CURVE BASED ON LIFE = 3000 HRS. B10 SPEED = 100 RPM BEARING LIFE FLANGE MTG. FACE MAXIMUM LOAD LINE 8S 2.47 (62.7) 8S (31.0) (203.2) (177.8) (152.4) (127.0) (101.6) (76.2) (50.8) (25.4) (0.0) (-25.4) (-50.8) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining load position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 13
18 Model 8 Series B Power Wheel MODEL 8 SERIES B FEATURES LARGE TAPERED ROLLER BEARINGS ALLOW INCREASED AXIAL AND RADIAL LOADING RUGGED HUBS PROVIDE ADDED STRENGTH FOR RESISTANCE TO IMPACT LOADING DOUBLE HEAT TREAT SPINDLES PROVIDE TOUGHNESS AND INCREASE FATIGUE LIFE BEARING NUT PROVIDES BEARING PRELOAD TO OPTIMIZE BEARING LIFE OPTIMIZED GEAR GEOMETRY INCREASES THE CONTACT RATIO, WHICH ENHANCES GEAR LIFE PERFORMANCE FEATURES - MODEL 8 SERIES B VERSUS STANDARD MODEL 8 SIMILARITIES: Torque Rating: Both use the same optimized gear geometry and gear material, therefore they both are rated at 100,000 lb-in (11,300 Nm) of intermittent output torque. DIFFERENCES: Bearing Retention: Standard Model 8 uses a snap ring which provides end play/clearance. The Model 8 Series B uses a bearing nut which provides preload/no clearance. Therefore, the Model 8 Series B will provide reduced deflections in the gear box, which will enhance the life of a unit in certain applications. Spindle Material and Heat Treatment: Again, the Model 8 Series B spindle properties differ and are enhanced over the Model 8. These differences allow for increased fatigue life under high impact and side loading. Bearing Capacity: The Model 8 Series B has greater radial and axial bearing capacity which may be required in certain applications.
19 Power Wheel Model 8 Series B Wheel Drives Double Reduction GENERAL SPECIFICATIONS Max. intermittent output torque 1,2 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (94 kg) Oil capacity oz (1.685 ml) For Lubrication Data, see Page 31 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limit, contact Auburn Gear. Dimensions given in: INCHES (mm) SAE B, C (Motor Mounting Holes 22.5 offset from spindle mounting holes as shown) 8 Thru Holes, ( ) Eq. Sp. on the following Bolt Circles: SAE B: (215.90) SAE C: (234.95) SEE MOUNTING CHART 8 Tapped Holes, (15.88) 11 UNC, Equally Spaced on the following Bolt Circle: B5, C2, C5: (241.30) 8 Thru Holes, ( ) Equally Spaced on the following Bolt Circle: B3: (241.30) 8 Tapped Holes, 0.75 (19.1) 10 UNC, Equally Spaced on the following Bolt Circle: C6: (241.30) Output Rotation Opposite to Input Rotation SAE B3, B5, C2, C5, C6 (Motor Mounting Holes in-line with spindle mounting holes, except C2 = 22.5 offset as shown) 14
20 Stud Length Wheel Stud Detail Note that the stud lengths shown in the feature chart represent the total length of the stud under the head. NON-POWERED UNITS ARE ALSO AVAILABLE Contact Auburn Gear for Information (307.1) (313.2) - C6 ONLY SAE B, B3, B5:.52 (13.2) SAE C, C2, C5:.62 (15.80) C6:.73 (18.5) SAE B, B3, B5:.71 (18.0) SAE C, C2, C5:.61 (15.5) C6:.77 (19.6) SAE B: 5.33 (135.4) SAE C: 5.23 (132.8) 8 Thru Holes ( ) Equally Spaced.76 (19.3) SAE B: (254.0) SAE C: (273.1) SAE B3, B5, C2, C5, C6: (277.1) SAE B: ( ) SAE C: ( ) SAE B3, B5, C2, C5, C6: ( ) For stud dimensions, See Feature Chart on Page (279.91) (270.0) (314.33) (334.95) (350.5) (393.7) MAX SHAFT LENGTH: SAE B, B3, B5, SAE C: (45.34) C2, C5: (58.29) C6: (64.64) PREFERRED CENTER of WHEEL or LOAD: SAE B, B1, C: 2.26 (57.4) B3, B5, C2, C5, C6: 1.01 (25.7) B3, B (103.6) C2, C (101.1) C (104.7).96 (24.4) 10 Thru Holes ( ) Equally Spaced
21 FEATURE CHART: MODEL 8 SERIES B WHEEL DRIVES - DOUBLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO WHEEL STUDS SPECIAL FEATURES DESCRIPTION SAE B B3 B5 SAE C C2 C5 C6 13T. 16 /32 14T. 12 /24 15T. 16 / : : : : : : : : :1 1 /2 x /16 x /8 x /4 x 3.21* NONE Brake Disc** Boot Seal Brake Disc Holes Quick Disconnect Oil Plugs/Spindle Side High Strength Carrier MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8W2B 8W2B3 8W2B5 8W2C 8W2C2 8W2C5 8W2C D Z DH Q P Y * Available with B3, B5, C2, C5 and C6 mountings ** Customer supplied, Auburn Gear assembled BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS SAE B, B3, B5 (2).500 (12.70) -13 UNC 2B Thd Holes on (146.05) B.C. SAE C, C6 (4).500 (12.70) -13 UNC 2B Thd Holes on (161.93) B.C. C2 (2).625 (15.88) -11 UNC 2B Thd Holes on (180.98) B.C. C5 (4).500 (12.70) -13 UNC 2B Thd Holes on (161.93) B.C. AND (2).625 (15.88) -11 UNC 2B Thd Holes on (180.98) B.C. USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8W2B DIAMETER Ø ( ) Ø ( ) Ø ( ) Ø ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE B 2 155, SAE C Z 8W2B Z ALLOWABLE RADIAL LOAD LBS (KG) 30,000 (13,608) 25,000 (11,340) 20,000 (9,072) 15,000 (6,804) 10,000 (4,536) 5,000 (2,268) -4 (-101.6) MAXIMUM LOAD LINE -3 (-76.2) MODEL 8 Series B BEARING LIFE CURVE Based On LIFE = 3,000 Hours B10 SPEED = 100 RPM Output -2 (-50.8) -1 (-25.4) 0 1 (25.4) Preferred Center of Load 2 (50.8) 1.01 (25.65) B3, B5, C2, C5, C6 3 (76.2) 2.26 (57.4) SAE B, C 4 (101.6) 5 (127.0) 6 (152.4) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining wheel position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 15
22 Model 8 Series B Wheel Drives Double Reduction Power Wheel with A2 Series Integral Parking Brake PISTON: Improved design for superior life at higher pressures FRICTION DISCS: Heavy Duty Graphitic Paper for wet sump applications. Characteristics: Superior energy capability, high and stable coefficient of friction and smooth engagement. GENERAL A2 SERIES DATA: 1. Maximum operating pressure is 3,000 psi (206.4 Bar). Pressure spikes or surges not to exceed 3,500 psi (240.8 Bar). Surge pressure in excess of 3,500 psi (240.8 Bar) caused by spikes in the hydraulic system could shorten brake life and must be avoided. 2. Use only SAE grade 8 mounting bolts and torque to lb. ft. ( N-m) for motor mounting. 3. PRECAUTION: Bench testing may cause distortion of components or bolt failure. Mounting bolts must be used for supplemental clamping. 4. Minimum Release Pressure is defined as the hydraulic pressure required to obtain full running clearance. 5. Cubic Inch Displacement is the volume of oil required to release the brake piston: 1.0 in 3 (16.4cc) for a new brake and 2.0 in 3 (32.8cc) for a worn brake pack - SAE B, B5; 0.7 in 3 (11.5cc) for a new brake and 1.6 in 3 (26.2cc) for a worn brake pack - SAE C, C5.
23 Model 8 Series B Wheel Drives Double Reduction GENERAL SPECIFICATIONS Power Wheel with A2 Series Integral Parking Brake Max. intermittent output torque 1,2 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight... Oil capacity lbs (102 kg) 62 oz (1,835 cc) For Lubrication Data, see Page 31 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limit, contact Auburn Gear. Dimensions given in: INCHES (mm) 3 For input speed between 2,000 and 3,600 rpm contact Auburn Gear for duty cycle analysis. SAE B, C 8 Thru Holes Equally Spaced ( ) on the Following Bolt Circles: SAE B: (215.90) SAE C: (234.95) (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port Per SAE J Places as Shown - SAE B, B5 SAE B, B5 - short: 2.77 (70.4) SAE B, B5 - long: 3.16 (80.3) SAE C, C5: 3.65 (92.7) SAE B, B5:.65 (16.5) 2 Places SAE C, C5:.79 (20.1) 1 Place Pressure Port Location.71 (18.0) Thru Holes ( ) Equally Spaced on the Following Bolt Circle: B5, C5: (241.30) 30 2 Places - SAE B, B5 See Mounting Chart SAE B: (254.0) B5, SAE C, C5: (277.1) B5, SAE C, C5: ( ) SAE B: ( ) SAE B, B5: 6.80 (172.7) SAE C, C5: 7.85 (199.4) MAX. SHAFT LENGTH (60.43) - 15T - SAE B, B5 - short (63.35) - 13T - SAE B, B5 - long (69.29) - 14T - SAE C, C5 B5, C5 Motor Surface to Threaded Bottom 3.01 (76.5) - SAE B, B5 - short 3.39 (86.1) - SAE B, B5 - long 3.58 (90.9) - SAE C, C5 PREFERRED OF WHEEL O SAE B, C: 2.2 SAE B5, C5: (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port per SAE J1926 One Place as Shown - SAE C, C5 16 SAE C Motor Mounting
24 Stud Length Wheel Stud Detail Note that the stud lengths shown in the feature chart represent the total length of the stud under the head. NON-POWERED UNITS ARE ALSO AVAILABLE Contact Auburn Gear for Information SAE C BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE B4 2,400 lb-in (271 N-m) 135 PSI (9.3 Bar) B6 3,600 lb-in (407 N-m) 180 PSI (12.4 Bar) B7 4,200 lb-in (475 N-m) 210 PSI (14.5 Bar) Maximum Release Pressure = 3,000 PSI (206.4 Bar) SAE B BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE STYLE B1 1,540 lb-in (174 N-m) 190 PSI (13.1 Bar) Short B2 1,800 lb-in (203 N-m) 220 PSI (15.1 Bar) Short B3 2,400 lb-in (271 N-m) 290 PSI (20.0 Bar) Short B4 2,400 lb-in (271 N-m) 160 PSI (11.0 Bar) Long B5 3,200 lb-in (362 N-m) 220 PSI (15.1 Bar) Long B6 3,600 lb-in (407 N-m) 230 PSI (15.8 Bar) Long B7 4,200 lb-in (475 N-m) 260 PSI (17.9 Bar) Long Maximum Release Pressure = 3,000 PSI (206.4 Bar) SAE B, B5 - short: 2.77 (70.4) SAE B, B5 - long: 3.16 (80.3) SAE C, C5: 3.65 (92.7) SAE B, B5:.65 (16.5) 2 Places SAE C, C5:.79 (20.1) 1 Place SAE B, B5 - short: (363.0) SAE B, B5 - long: (372.9) SAE C, C5: (385.3) 5.33 (135.4).76 (19.3) 8 Thru Holes Equally Spaced ( ) Pressure Port Location.71 (18.0) B, B5 SAE B: (254.0) B5, SAE C, C5: (277.1) B5, SAE C, C5: ( ) SAE B: ( ) SAE B, B5: 6.80 (172.7) SAE C, C5: 7.85 (199.4) For Stud Dimensions see Feature Chart on Page 17 and Detail Drawing above (279.91) (270.0) (314.33) (334.95) (350.5) (393.7) MAX. SHAFT LENGTH (60.43) - 15T - SAE B, B5 - short (63.35) - 13T - SAE B, B5 - long (69.29) - 14T - SAE C, C (103.6) PREFERRED CENTER OF WHEEL OR LOAD SAE B, C: 2.26 (57.4) SAE B5, C5: 1.01 (25.7).96 (24.4) 10 Thru Holes Equally Spaced B4, C4: ( ) B5, C5: ( )
25 FEATURE CHART: MODEL 8 SERIES B WHEEL DRIVES DOUBLE REDUCTION with BRAKE DESCRIPTION MAKE ALL SELECTIONS WITHIN ONE COLUMN SAE B MOTOR B5 PILOT/HUB SAE C C5 INPUT 13T /32 SPLINE 14T /24 15T / : : :1 RATIO 25.71: : : : : :1 1 /2 WHEEL by /16 STUDS by /8 by /4 by 3.21* NONE 1,540 lb-in 1,800 lb-in PARKING 2,400 lb-in BRAKE 2,400 lb-in 3,200 lb-in 3,600 lb-in 4,200 lb-in Brake Disc** SPECIAL Boot Seal FEATURES Brake Disc Holes Quick Disconnect Oil Plugs/Spindle Side High Strength Carrier Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: LONG VERSION SHORT VERSION ORDER CODES 8W2B 8W2B5 8W2C 8W2C B1 B2 B3 B4 B5 B6 B7 D Z DH Q P Y USE OPTION ORDER CODES TO BUILD ORDER NUMBER BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS SAE B, B5 (2).500 (12.70) -13 UNC - 2B Thd Holes on (146.05) B. C. SAE C, C5 (4).500 (12.70) -13 UNC - 2B Thd Holes on (161.93) B. C. 8W2B5 DIAMETER Ø ( ) Ø ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE B 2 155, SAE C B5 Z 8W2B B5 Z ALLOWABLE RADIAL LOAD LBS (KG) 20,000 (9,070) 17,500 (7,936) 15,000 (6,803) 12,500 (4,535) 10,000 (4,536) 7,500 (3,401) 5,000 (2,268) 2,500 (1,134) 6 PREFERRED CENTER OF LOAD BEARING LIFE SAE B, B1, C: 2.47 (62.7) BEARING LIFE CURVE BASED ON LIFE = 3000 HRS. B10 SPEED = 100 RPM MAXIMUM LOAD LINE WHEEL FLANGE MTG. FACE B4, B5, C4, C5: 1.22 (31.0) (152.4) (127.0) (101.6) (76.2) (50.8) (25.4) (0.0) (-25.4) (-50.8) (-76.2) (-101.6) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining wheel position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 17
26 Power Wheel Model 8 Series B Shaft Output Drives Single and Double Reductions GENERAL SPECIFICATIONS SINGLE REDUCTION DRIVES DOUBLE REDUCTION DRIVES Max. intermittent output torque 1,2 60,000 lb-in (6,780 Nm) Max. input speed ,500 RPM Approximate Weight lbs (72 kg) Oil capacity oz (1,420 cc) Max. intermittent output torque 1,2 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (88 kg) Oil capacity oz (1,540 cc) 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limits, contact Auburn Gear. SAE A, B, C, D (393.7) (351.3) (334.95) (314.3) (279.4) (286.0) DIM "A" (See Output Shaft Options P.29) 2.26 (57.4) PREFERRED CENTER OF LOAD DIM "A" (See Output Shaft Options P.29) SAE A1, B1, C1, D1 SINGLE REDUCTION SAE A, A1: (265.2) + Dim. "A" SAE B, B1: (262.9) + Dim. "A" SAE C, C1: (281.9) + Dim. "A" DOUBLE REDUCTION SAE A, A1: (315.5) + Dim. "A" SAE B, B1: (281.9) + Dim. "A" SAE C, C1: (313.2) + Dim. "A" 3.74 (95.0).76 (19.3) 2.29 (58.2).96 (24.4) 1.01 (25.7) PREFERRED CENTER OF LOAD For Lubrication Data, see Page 31 SAE A, A1:.300 (07.6) SAE B, B1:.395 (10.0) SAE C, C1:.520 (13.2) SAE D, D1:.560 (14.2) (270.0) MAX. SHAFT LENGTH (60.78) - 14T, SAE "A" (58.37) - 13T, SAE "D" (58.37) - 14T, SAE "C" (58.37) - 21T, SAE "C" INPUT SPLINE See Feature Chart SEE MOUNTING CHART "O" RING REQUIRED "O" Ring Sizes: SAE A SAE B SAE C SAE D (Not supplied by Auburn Gear) MOTOR TO BE MOUNTED WITH OIL SEALING BOLTS SAE A, B, C, D: 8 Holes, Equally Spaced ( ) Dia. Thru Holes OIL FILL OR DRAIN PLUG Dimensions given in: INCHES (mm) OIL FILL OR DRAIN PLUG Output Rotation Is Same As Input Rotation SAE A1, B1, C1, D1: 10 Holes, Equally Spaced ( ) Dia. Thru Holes 45 SAE A, A1 Hole Layout 18
27 FEATURE CHART: MODEL 8 SERIES B SHAFT DRIVES - SINGLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO SHAFTS FEATURE CHART: MODEL 8 SERIES B SHAFT DRIVES - DOUBLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO SHAFTS DESCRIPTION SAE A A1 SAE C C1 SAE D D1 13T 8 /16 14T 12 /24 21T 16 / :1 7.07:1 2.5 Hex 3.0 Keyed 20T - 8 /16 23T - 8 /16 23T - 8 /16 DESCRIPTION SAE A A1 SAE B B1 SAE C C1 13T 16 /32 14T 12 / : : : : : : : :1 2.5 Hex 3.0 Keyed 20T - 8 /16 23T - 8 /16 23T - 8 /16 MAKE ALL SELECTIONS WITHIN ONE COLUMN MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8S2B BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. ORDER CODES 8T2A 8T2A1 8T2C 8T2C1 8T2D 8T2D H1 K S 23L Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: 8S2A 8S2A1 8S2B 8S2B1 8S2C 8S2C H1 K S 23L MOTOR MOUNTING CHART USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8T2C K2 8T2C K2 K2 8S2B K2 MOTOR MOUNTING HOLE DIMENSIONS DIAMETER SAE A, A1 (4).500 (12.70) -13 UNC Ø B Thd Holes on (106.38) B. C. ( ) SAE B, B1 (2).500 (12.70) -13 UNC Ø B Thd Holes on (146.05) B. C. ( ) SAE C, C1 (4).500 (12.70) -13 UNC Ø B Thd Holes on (161.93) B. C. ( ) OR (2).625 (15.88) -11 UNC 2B Thd Holes on (180.98) B. C. SAE D, D1 (4).750 (19.05) -10 UNC Ø B Thd Holes on (228.60) B. C. ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE A 2 042, SAE B 2 155, SAE C 2 159, SAE D ALLOWABLE RADIAL LOAD LBS (KG) 30,000 (13,608) 25,000 (11,340) 20,000 (9,072) 15,000 (6,804) 10,000 (4,536) 5,000 (2,268) -4 (-101.6) MAXIMUM LOAD LINE -3 (-76.2) MODEL 8 Series B BEARING LIFE CURVE Based On LIFE = 3,000 Hours B10 SPEED = 100 RPM Output -2 (-50.8) -1 (-25.4) 0 1 (25.4) Preferred Center of Load 2 (50.8) 3 (76.2) 4 (101.6) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining wheel position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) 1.01 (25.7) A1, B1, C (57.4) SAE A, B, C BEARING SPEED HOURS (RPM) SF LF B-10 LIFE (127.0) CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 6 (152.4) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) 19
28 Power Wheel Model 8 Series B Shaft Output Drives Double Reduction with A2 Series Integral Parking Brake PISTON: Improved design for superior life at higher pressures FRICTION DISCS: Heavy Duty Graphitic Paper for wet sump applications. Characteristics: Superior energy capability, high and stable coefficient of friction and smooth engagement. GENERAL A2 SERIES DATA: 1. Maximum operating pressure is 3,000 psi (206.4 Bar). Pressure spikes or surges not to exceed 3,500 psi (240.8 Bar). Surge pressure in excess of 3,500 psi (240.8 Bar) caused by spikes in the hydraulic system could shorten brake life and must be avoided. 2. Use only SAE grade 8 mounting bolts and torque to lb. ft. ( N-m) for motor mounting. 3. PRECAUTION: Bench testing may cause distortion of components or bolt failure. Mounting bolts must be used for supplemental clamping. 4. Minimum Release Pressure is defined as the hydraulic pressure required to obtain full running clearance. 5. Cubic Inch Displacement is the volume of oil required to release the brake piston: 1.0 in 3 (16.4cc) for a new brake and 2.0 in 3 (32.8cc) for a worn brake pack - SAE B, B1; 0.7 in 3 (11.5cc) for a new brake and 1.6 in 3 (26.2cc) for a worn brake pack - SAE C, C1. 6. For vertical shaft output applications, shaft up or shaft down, please contact Auburn Gear to insure proper brake configuration is specified.
29 Power Wheel Model 8 Series B Shaft Output Drives Double Reduction with A2 Series Integral Parking Brake 1 GENERAL SPECIFICATIONS Max. intermittent output torque 2,3 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (88 kg) Oil capacity oz (1,478 cc) For Lubrication Data, see Page 31 1 For vertical applications, shaft up or shaft down, contact Auburn Gear. 2 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the Maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 3 If application exceeds published limit, contact Auburn Gear. Dimensions given in: INCHES (mm) 4 For input speeds between 2,000 and 3,600 rpm, contact Auburn Gear for duty cycle analysis (350.5) (393.7) SAE B, C (314.3) (285.8) (334.95) (279.4) Dim A (See Output Shaft Options) Page 29 Dim A (See Output Shaft Options) Page (343.7) + Dim. A - SAE B, B1 - short (353.3) + Dim. A - SAE B, B1 - long (365.8) + Dim. A - SAE C, C (95.0).76 (19.3) 2.26 (57.4) PREFERRED CENTER OF LOAD SAE B, B (10.0) SAE C, C (13.1) 0.65 (16.6) 2 PLACES - SAE B, B (20.1) 1 PLACE - SAE C, C (172.7) - SAE B, B (199.4) - SAE C, C (270.0) Pressure Port Location LEVEL PLUGS (Both Sides) (11. Stra O-Ring Per 2 Plac S O RING REQUIRED O Ring Sizes: SAE B 2-155, SAE C (Not supplied by Auburn Gear) MAX. SHAFT LENGTH 3.51 (89.2) - 13T - SAE B, B (69.29) - 14T - SAE C, C1 SAE B1, C (58.2).96 (24.4) 1.01 (25.7) PREFERRED CENTER OF LOAD 3.35 (85.1) - SAE B, B1 - short 3.73 (94.7) - SAE B, B1 - long 4.22 (107.2) - SAE C, C1 20
30 SAE C BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE B4 2,400 lb-in (271 N-m) 135 PSI (9.3 Bar) B6 3,600 lb-in (407 N-m) 180 PSI (12.4 Bar) B7 4,200 lb-in (475 N-m) 210 PSI (14.5 Bar) Maximum Release Pressure = 3,000 PSI (206.4 Bar) SAE B BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE STYLE B1 1,540 lb-in (174 N-m) 190 PSI (13.1 Bar) Short B2 1,800 lb-in (203 N-m) 220 PSI (15.1 Bar) Short B3 2,400 lb-in (271 N-m) 290 PSI (20.0 Bar) Short B4 2,400 lb-in (271 N-m) 160 PSI (11.0 Bar) Long B5 3,200 lb-in (362 N-m) 220 PSI (15.1 Bar) Long B6 3,600 lb-in (407 N-m) 230 PSI (15.8 Bar) Long B7 4,200 lb-in (475 N-m) 260 PSI (17.9 Bar) Long Maximum Release Pressure = 3,000 PSI (206.4 Bar) 0.65 (16.6) 2 PLACES - SAE B, B (20.1) 1 PLACE - SAE C, C1 Pressure Port Location LEVEL PLUGS (Both Sides) SAE B, C: 8 Holes Equally Spaced ( ) Dia. Thru Holes (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port Per SAE J Places as Shown - SAE B, B1 Oil Fill or Drain Plug 6.80 (172.7) - SAE B, B (199.4) - SAE C, C (270.0) 30 2 Places - SAE B, B1 O RING REQUIRED O Ring Sizes: SAE B 2-155, SAE C (Not supplied by Auburn Gear) AD MAX. SHAFT LENGTH 3.51 (89.2) - 13T - SAE B, B (69.29) - 14T - SAE C, C (85.1) - SAE B, B1 - short 3.73 (94.7) - SAE B, B1 - long 4.22 (107.2) - SAE C, C1 Magnetic Drain Plug Output Rotation Same as Input Rotation Motor Surface to Threaded Bottom 3.01 (76.5) - SAE B, B1 - short 3.39 (86.1) - SAE B, B1 - long 3.58 (90.9) - SAE C, C1 SAE C Motor Mounting SAE B1, C1: 10 Holes Equally Spaced ( ) Dia. Thru Holes.438 (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port per SAE J1926 One Place as Shown - SAE C, C1
31 FEATURE CHART: MODEL 8 SERIES B SHAFT DRIVES DOUBLE REDUCTION with BRAKE MOTOR PILOT/HUB INPUT SPLINE RATIO SHAFTS PARKING BRAKE LONG VERSION SHORT VERSION DESCRIPTION SAE B B1 SAE C C1 13T /32 14T / : : : : : : : :1 3.0 Keyed 2.5 Hex 20T - 8 /16 23T - 8 /16 23T - 8 /16 1,540 lb-in 1,800 lb-in 2,400 lb-in 2,400 lb-in 3,200 lb-in 3,600 lb-in 4,200 lb-in MAKE ALL SELECTIONS WITHIN ONE COLUMN Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: ORDER CODES 8S2B 8S2B1 8S2C 8S2C K2 H S 23L B1 B2 B3 B4 B5 B6 B7 USE OPTION ORDER CODES TO BUILD ORDER NUMBER BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. 8S2B B6 8S2B B6 ALLOWABLE RADIAL LOAD LBS (KG) 30,000 (13,608) 25,000 (11,340) 20,000 (9,072) 15,000 (6,804) 10,000 (4,536) 5,000 (2,268) -4 (-101.6) MAXIMUM LOAD LINE -3 (-76.2) MODEL 8 Series B BEARING LIFE CURVE Based On LIFE = 3,000 Hours B10 SPEED = 100 RPM Output -2 (-50.8) -1 (-25.4) 0 1 (25.4) Preferred Center of Load 2 (50.8) 1.01 (25.7) B1, C1 3 (76.2) 2.26 (57.4) SAE B, C 4 (101.6) 5 (127.0) 6 (152.4) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining load position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS DIAMETER SAE B, B1 (2).500 (12.70) -13 UNC Ø B Thd Holes on (146.05) B. C. ( ) SAE C, C1 (4).500 (12.70) -13 UNC Ø B Thd Holes on (161.93) B. C. ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE B 2 155, SAE C The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 21
32 Power Wheel Model 8 Series B Spindle Output Drives - Single and Double Reductions GENERAL SPECIFICATIONS SINGLE REDUCTION DRIVES DOUBLE REDUCTION DRIVES Max. intermittent output torque 1,2 60,000 lb-in (6,780 Nm) Max. input speed ,500 RPM Approximate Weight lbs (72 kg) Oil capacity oz (1,420 cc) Max. intermittent output torque 1,2 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (88 kg) Oil capacity oz (1,540 cc) SAE A, B, C, D DIM. "A" SINGLE REDUCTION SAE A, A1: (265.2) + Dim. "A" SAE C, C1: (262.9) + Dim. "A" SAE D, D1: (281.9) + Dim. "A" DOUBLE REDUCTION SAE A, A1: (315.5) + Dim. "A" SAE B, B1: (281.9) + Dim. "A" SAE C, C1: (313.2) + Dim. "A" 3.74 (95.0).76 (19.3) For Lubrication Data, see Page 31 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limits, contact Auburn Gear. Dimensions given in: INCHES (mm) SAE A, B, C, D: 8 Holes, Equally Spaced ( ) Dia. Thru Holes See Spindle Output Options P (57.4) PREFERRED CENTER OF LOAD SAE A, A1:.300 (7.62) SAE B, B1:.395 (10.03) SAE C, C1:.520 (13.21) SAE D, D1:.560 (14.22) INPUT SPLINE See Feature Chart OIL FILL OR DRAIN PLUG (393.7) (350.5) (334.95) (314.33) (279.4) (285.8) See Spindle Output Options P (270.00) SEE MOUNTING CHARRT DIM. "A" See Spindle Output Options P.29 SAE A1, B1, C1, D (58.2).96 (24.4) 1.01 (25.7) PREFERRED CENTER OF LOAD MAX. SHAFT LENGTH (60.78) - 14T, SAE "A" (58.37) - 14T, SAE "C" (58.37) - 13T, SAE "D" (58.37) - 21T, SAE "C" "O" RING REQUIRED "O" Ring Sizes: SAE A SAE B SAE C SAE D (Not supplied by Auburn Gear) MOTOR TO BE MOUNTED WITH OIL SEALING BOLTS OIL FILL OR DRAIN PLUG Output Rotation Is Same As Input Rotation SAE A1, B1, C1, D1: 10 Holes, Equally Spaced ( ) Dia. Thru Holes 45 SAE A, A1 Hole Layout 22
33 FEATURE CHART: MODEL 8 SERIES B SPINDLE DRIVES - SINGLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO SPINDLE SPECIAL FEATURES FEATURE CHART: MODEL 8 SERIES B SPINDLE DRIVES - DOUBLE REDUCTION MOTOR PILOT/HUB INPUT SPLINE RATIO SPINDLE DESCRIPTION SAE A SAE A1 SAE C SAE C1 SAE D SAE D1 13T - 8 /16 14T - 12 /24 21T - 16 / :1 7.07:1 Spindle Tapped Holes 5 /8 Spindle Thru Holes Spindle Tapped Holes 3 /4 Boot Seal DESCRIPTION SAE A SAE A1 SAE B SAE B1 SAE C SAE C1 13T - 16 /32 14T - 12 / : : : : : : : :1 Spindle Tapped Holes 5 /8 Spindle Thru Holes Spindle Tapped Holes 3 /4 MAKE ALL SELECTIONS WITHIN ONE COLUMN MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8S2A 8S2A1 8S2B 8S2B1 8S2C 8S2C SPECIAL Boot Seal Z FEATURES Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: 8S2A F1 Z BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. ORDER CODES 8T2A 8T2A1 8T2C 8T2C1 8T2D 8T2D Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS SAE A, A1 (4).500 (12.70) -13 UNC 2B Thd Holes on (106.38) B. C. SAE B, B1 (2).500 (12.70) -13 UNC 2B Thd Holes on (146.05) B. C. SAE C, C1 (4).500 (12.70) -13 UNC 2B Thd Holes on (161.93) B. C. OR (2).625 (15.88) -11 UNC 2B Thd Holes on (180.98) B. C. SAE D, D1 (4).750 (19.05) -10 UNC 2B Thd Holes on (228.60) B. C. F1 F2 F5 Z F1 F2 F5 DIAMETER Ø ( ) USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8T2A1 USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8S2A1 Ø ( ) Ø ( ) Ø ( ) F1 F1 Z 8T2A F1Z O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE A SAE B SAE C SAE D ALLOWABLE RADIAL LOAD LBS (KG) 30,000 (13,608) 25,000 (11,340) 20,000 (9,072) 15,000 (6,804) 10,000 (4,536) 5,000 (2,268) -4 (-101.6) -3 (-76.2) MODEL 8 Series B BEARING LIFE CURVE Based On LIFE = 3,000 Hours B10 SPEED = 100 RPM Output MAXIMUM LOAD LINE -2 (-50.8) -1 (-25.4) 0 1 (25.4) 2 (50.8) Preferred Center of Load 1.01 (25.7) - A1, B1, C (57.4) - SAE A, B, C 3 (76.2) 4 (101.6) 5 (127.0) 6 (152.4) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining load position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 23
34 Power Wheel Model 8 Series B Spindle Output Drives - Double Reduction with A2 Series Integral Parking Brake PISTON: Improved design for superior life at higher pressures FRICTION DISCS: Heavy Duty Graphitic Paper for wet sump applications. Characteristics: Superior energy capability, high and stable coefficient of friction and smooth engagement. GENERAL A2 SERIES DATA: 1. Maximum operating pressure is 3,000 psi (206.4 Bar). Pressure spikes or surges not to exceed 3,500 psi (240.8 Bar). Surge pressure in excess of 3,500 psi (240.8 Bar) caused by spikes in the hydraulic system could shorten brake life and must be avoided. 2. Use only SAE grade 8 mounting bolts and torque to lb. ft. ( N-m) for motor mounting. 3. PRECAUTION: Bench testing may cause distortion of components or bolt failure. Mounting bolts must be used for supplemental clamping. 4. Minimum Release Pressure is defined as the hydraulic pressure required to obtain full running clearance. 5. Cubic Inch Displacement is the volume of oil required to release the brake piston: 1.0 in 3 (16.4cc) for a new brake and 2.0 in 3 (32.8cc) for a worn brake pack. - SAE B, B1; 0.7 in 3 (11.5cc) for a new brake and 1.6 in 3 (26.2cc) for a worn brake pack - SAE C, C1. 6. For vertical spindle output applications, spindle up or spindle down, please contact Auburn Gear to insure proper brake configuration is specified.
35 GENERAL SPECIFICATIONS Power Wheel Model 8 Series B Spindle Output Drives - Double Reduction with A2 Series Integral Parking Brake 1 Max. intermittent output torque 2,3 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (100 kg) Oil capacity oz (1.685 ml) For Lubrication Data, see Page 31 1 For vertical applications, spindle up or spindle down, contact Auburn Gear. 2 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. Dimensions given in: INCHES (mm) 3 If application exceeds published limits, contact Auburn Gear. 4 For input speeds between 2,000 and 3,600 rpm contact Auburn Gear for duty cycle analysis (350.5) (393.7) (314.32) (334.95) SAE B, C Dim. A (See Spindle Output Options P.29) (285.8) (279.4) See Spindle Output Options P (343.7) + Dim. A - SAE B, B1 - short (353.3) + Dim. A - SAE B, B1 - long (365.8) + Dim. A - SAE C, C (95.0).76 (19.3) 2.26 (57.6) PREFERRED CENTER OF LOAD 0.65 (16.6) 2 PLACES - SAE B, B (20.1) 1 PLACE - SAE C, C (172.7) - SAE B, B (199.4) - SAE C, C (270.0) Pressure Port Location O RING REQUIRED O Ring Sizes SAE B 2-155, SAE C (Not supplied by Auburn Gear) S (11.1 Stra O-Ring Per 2 Place SA MAX. SHAFT LENGTH 3.51 (89.2) - 13T - SAE B, B (69.29) - 14T - SAE C, C1 B1, C (58.2).96 (24.4) 1.01 (25.7) PREFERRED CENTER OF LOAD 3.35 (85.1) - SAE B, B1 - short 3.73 (94.7) - SAE B, B1 - long 4.22 (107.2) - SAE C, C1 24
36 SAE C BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE B4 2,400 lb-in (271 N-m) 135 PSI (9.3 Bar) B6 3,600 lb-in (407 N-m) 180 PSI (12.4 Bar) B7 4,200 lb-in (475 N-m) 210 PSI (14.5 Bar) Maximum Release Pressure = 3,000 PSI (206.4 Bar) SAE B BRAKE RATINGS MODEL TORQUE MINIMUM RELEASE PRESSURE STYLE B1 1,540 lb-in (174 N-m) 190 PSI (13.1 Bar) Short B2 1,800 lb-in (203 N-m) 220 PSI (15.1 Bar) Short B3 2,400 lb-in (271 N-m) 290 PSI (20.0 Bar) Short B4 2,400 lb-in (271 N-m) 160 PSI (11.0 Bar) Long B5 3,200 lb-in (362 N-m) 220 PSI (15.1 Bar) Long B6 3,600 lb-in (407 N-m) 230 PSI (15.8 Bar) Long B7 4,200 lb-in (475 N-m) 260 PSI (17.9 Bar) Long Maximum Release Pressure = 3,000 PSI (206.4 Bar) 0.65 (16.6) 2 PLACES - SAE B, B (20.1) 1 PLACE - SAE C, C1 Pressure Port Location SAE B, C: 8 Holes Equally Spaced ( ) Dia. Thru Holes (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port Per SAE J Places as Shown - SAE B, B1 Oil Fill or Drain Plug 6.80 (172.7) - SAE B, B (199.4) - SAE C, C (270.0) 30 2 Places - SAE B, B1 O RING REQUIRED O Ring Sizes SAE B 2-155, SAE C (Not supplied by Auburn Gear) MAX. SHAFT LENGTH 3.51 (89.2) - 13T - SAE B, B (69.29) - 14T - SAE C, C (85.1) - SAE B, B1 - short 3.73 (94.7) - SAE B, B1 - long 4.22 (107.2) - SAE C, C1 Oil Fill or Drain Plug Output Rotation Same as Input Rotation SAE B1, C1: 10 Holes Equally Spaced ( ) Dia. Thru Holes Motor Surface to Threaded Bottom 3.01 (76.5) - SAE B, B1 - short 3.39 (86.1) - SAE B, B1 - long 3.58 (90.9) - SAE C, C1 SAE C Motor Mounting.438 (11.13) - 20 UNF - 2B Straight Thread O-Ring Pressure Port per SAE J1926 One Place as Shown - SAE C, C1
37 FEATURE CHART: MODEL 8 SERIES B SPINDLE DOUBLE REDUCTION with BRAKE MOTOR PILOT/HUB INPUT SPLINE RATIO SPINDLES PARKING BRAKE LONG VERSION SHORT VERSION DESCRIPTION SAE B B1 SAE C C1 13T. 16 /32 14T. 12 / : : : : : : : :1 Spindle Tapped Holes 5 /8 Spindle Thru Holes Spindle Tapped Holes 3 /4 1,540 lb-in 1,800 lb-in 2,400 lb-in 2,400 lb-in 3,200 lb-in 3,600 lb-in 4,200 lb-in MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES F1 F2 F5 B1 B2 B3 B4 B5 B6 B7 Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: USE OPTION ORDER CODES TO BUILD ORDER NUMBER * FOR HORIZONTAL OPERATION ONLY. Where vertical operation is required, contact Auburn Gear. BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. 8S2B 8S2B 8S2B1 8S2C 8S2C F1 B4 8S2B F1 B4 ALLOWABLE RADIAL LOAD LBS (KG) 30,000 (13,608) 25,000 (11,340) 20,000 (9,072) 15,000 (6,804) 10,000 (4,536) 5,000 (2,268) -4 (-101.6) MAXIMUM LOAD LINE -3 (-76.2) MODEL 8 Series B BEARING LIFE CURVE Based On LIFE = 3,000 Hours B10 SPEED = 100 RPM Output -2 (-50.8) -1 (-25.4) 0 1 (25.4) 2 (50.8) 3 (76.2) Preferred Center of Load Toward Spindle 1.01 (25.7) B1, C (57.6) SAE B, C 4 (101.6) 5 (127.0) 6 (152.4) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining load position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) MOTOR MOUNTING CHART MOTOR MOUNTING HOLE DIMENSIONS SAE B, B1 (2).500 (12.70) -13 UNC 2B Thd Holes on (146.05) B. C. SAE C, C1 (4).500 (12.70) -13 UNC 2B Thd Holes on (161.93) B. C. DIAMETER Ø ( ) Ø ( ) O RING OR GASKET REQUIRED (Not Supplied by Auburn Gear) O RING SIZES: SAE B 2 155, SAE C BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 25
38 Power Wheel Model 8 Series B Shaft Input/Shaft Output Drives - Double Reduction GENERAL SPECIFICATIONS Max. intermittent output torque 1,2 100,000 lb-in (11,300 Nm) Max. input speed ,000 RPM Approximate Weight lbs (101.6 kg) Oil capacity oz (1.685 ml) For Lubrication Data, see Page 31 1 Depending on the duty cycle and the nature of the application, a normal continuous output torque of 1 /3 to 1 /2 of the maximum Intermittent should yield satisfactory Power Wheel life. Customer testing and application analysis is strongly recommended. 2 If application exceeds published limit, contact Auburn Gear. 8S2 Dimensions given in: INCHES (mm) (397.3) + Dim. A 4.50 (114.3) + Dim. A (283.0) REF 8.87 (225.3) Dim. A (See Output Shaft Options P.29) 3.74 (95.0) 0.76 (19.3) Preferred Center of Load 2.26 (57.4) 2.20 (55.9).375 (9.53) - 16 UNC - 2B Thd 1.00 Minimum Deep O ø Holes Equally Spaced ( ) Dia. Thru Holes Filler Plug (350.5) (314.33) 1.84 (46.7) FULL KEYWAY (38.07) (38.05) ø ø (270.0) (269.5) (285.8) Oil Level Check.538 (13.67).533 (13.54).378 (9.60).376 (9.55) (393.7) (334.95) (279.4) Dim. A (See Output Shaft Options P.29) Output Rotation Same as Input Rotation Oil Level Check 8S (58.2).96 (24.4) Preferred Center of Load 1.01 (25.7) 10 Holes Equally Spaced ( ) Dia. Thru Holes Magnetic Drain Plug 26
39 FEATURE CHART: MODEL 8 SERIES B SHAFT INPUT/ SHAFT DRIVES - DOUBLE REDUCTION HUB DESCRIPTION Small Flange Large Flange MAKE ALL SELECTIONS WITHIN ONE COLUMN ORDER CODES 8S2 8S21 USE OPTION ORDER CODES TO BUILD ORDER NUMBER 8S2 INPUT SHAFT 1 1 /2 Keyed KOO KOO 15.39: : : RATIO 26.71: : : : : Keyed K2 20T. SHAFTS / T. 8 /16 23S 20 23T. 8 /16 23L Select desired characteristics from chart, note correct order codes, and order using sample format shown at right: 8S2 KOO 2320 BOLDFACE INDICATES REGULAR VOLUME PRODUCED ITEMS WITH BEST AVAILABILITY. ALLOWABLE RADIAL LOAD LBS (KG) 30,000 (13,608) 25,000 (11,340) 20,000 (9,072) 15,000 (6,804) 10,000 (4,536) 5,000 (2,268) -4 (-101.6) -3 (-76.2) MODEL 8 Series B BEARING LIFE CURVE Based On LIFE = 3,000 Hours B10 SPEED = 100 RPM Output MAXIMUM LOAD LINE -2 (-50.8) -1 (-25.4) 0 1 (25.4) 2 (50.8) Preferred Center of Load 3 (76.2) Toward Large Shaft 1.01 (25.65) - 8S (57.40) - 8S2 4 (101.6) 5 (127.0) 6 (152.4) DISTANCE FROM MOUNTING FACE TO RADIAL LOAD INCHES (MM) These curves are supplied as a design guide and apply to resultant radial load only. They indicate the importance of maintaining load position over the bearing center. For actual analysis, applications should be reviewed by Auburn Gear Engineering using data supplied on Application Data Form. BEARING LOAD, LIFE AND SPEED RELATIONSHIPS SF x R LF = R R = Allowable resultant load for given location from mounting flange R = Anticipated load at location from mounting flange LF = Life Factor from table (see below) SF = Speed Factor from table (see below) BEARING SPEED HOURS (RPM) SF LF B-10 LIFE CAUTION: The same torsional loading constraints used in the driving mode must be used in the braking mode when braking through the Power Wheel drive gear set. The data presented in this catalog is for general information and preliminary layout purposes only. Auburn Gear, through its policy of continual improvement, reserves the right to update its products; therefore, the information presented is subject to change. For specific application and/or dimensional information, contact Auburn Gear. 27
40 Model 8 Shaft and Spindle Output Options A1.25(6.35) 3.67(93.2) (30.15) Ø (47.88) (47.12) H1 Dim A 5.62 (142.7) 5.38(136.7) (80.95) (31.8) 1.20 (30.5).52(13.2) F2 Ø (51.05) (50.80) Ø (19.41) (19.84) 0.06 (1.5) x 45 Chamfer Both Ends Ø 9.94 (252.5) As Forged (174.70) (174.55) Ø A2.25(6.4) Dim A 4.42 (112.3) 4.17(105.9) (39.67) 30 Ø (47.88) (47.12) H2 Dim A 5.44 (138.2) 5.36(136.1) (78.99) 45 Dim A 1.37 (34.8) Ø ( ) Thru 8 Holes Equally Spaced on a Ø (215.90) BC Ø (65.10) (64.97) K1 Ø (22.58) (22.99) 0.06 (1.5) x 45 Chamfer Both Ends ( ) Keyway Width ( ) Dim A 3.68 (93.5) 3.60 (91.4) 2.05 (52.1) Min. Full Keyway Ø (50.75) (50.50) ( ) Keyway Width ( ) K (113.97) Ø 0.514/0.526 (13.06/13.36) Ø 0.656/0.691 (16.66/17.55) Thru Dim A 3.65 (92.7) 3.57 (90.2) 3.00 (76.2) Min. Full Keyway 1.25 (31.8) 1.20 (30.5).62(15.7) F (43.56) (67.36) (2).375 (9.53) 16 UNC 2B Thd..68 (17.3) Min. Deep on 1.00 (25.4) Bolt Circle (2).50 (12.7) 20 UNF 2B Thd (25.4) Min. Deep on (47.63) Bolt Circle (2).375 (9.53) 16 UNC 2B Thd..68 (17.27) Min. Deep Dim A 3.67 (93.2) (91.4) 2.12 (53.85) Min. Full Spline (2).375 (9.53) 16 UNC 2B Thd..68 (17.27) Min. Deep Dim A 3.68 (93.5) (91.4) 1.87 (47.5) Min. Full Spline (2).50 (12.7) 20 UNF 2B Thd (25.4) Min. Deep Dim A 3.67 (93.2) 3.50 (88.9) 23L 2.25 (57.2) Min. Full Spline (2).50 (12.7) 20 UNF 2B Thd (25.4) Min. Deep 23S 1.22 (31.0) Min. Full Spline Dim A 2.32 (58.9) 2.24 (56.90) 1.00 (25.4) 1.00 (25.4) (47.6) (47.63) 28 External Involute Spline 30 Flat Root Side Fit per ANSI Standard Class 6 Fit # of teeth = 20 Pitch = 8/16 O.D. = ( ) External Involute Spline 30 Flat Root-Side Fit per ANSI Standard Class 6 Fit # of teeth = 23 Pitch = 12/24 O.D. = ( ) External Involute Spline 30 Flat Root-Side Fit per ANSI Standard Class 6 Fit # of teeth = 23 Pitch = 8/16 O.D. = ( ) External Involute Spline 30 Flat Root-Side Fit per ANSI Standard Class 6 Fit # of teeth = 23 Pitch = 8/16 O.D. = ( )
41 1.25 (31.8) 1.20 (30.5).52(13.2) Model 8 Series B Shaft and Spindle Output Options 1.25 (31.8) 1.20 (30.5).52(13.2) See Model 8 Series B Other Options, Page (19.1) - 10 UNC - 2B Thrd Thru 8 Holes Equally Spaced F1 F2 F5 Ø Ø (277.1) As Forged Ø (241.30) 7.00 (177.8) 6.99 (177.6) Ø (277.1) As Forged Ø (241.30) Ø 7.00 (177.8) 6.99 (177.6) Ø.625 (15.88) - 11UNC - 2B Thread Thru 8 Holes Equally Spaced Dim A 1.35 (34.3) Ø ( ) Thru 8 Holes Equally Spaced Dim A 1.35 (34.3).73(18.5) Ø 1.50 (38.1) 1.45 (36.8) Dim A 1.60 (40.6) H (63.8) 2.50 (63.5) Dim A 5.08 (129.0) 5.00 (127.0) (88.90) ( ) Keyway Width ( ) K (67.36) Dim A 3.65 (92.7) 3.57 (90.2) 3.00 (76.2) Min. Full Keyway Ø (60.58) (59.82) Ø ( ) Thru Ø.06 (1.5) x 45 Both Ends (2).50 (12.7) 20 UNF 2B Thd (25.4) Min. Deep on (47.63) Bolt Circle (2).375 (9.53) 16 UNC 2B Thd..68 (17.27) Min. Deep Dim A 3.67 (93.2) (91.4) 1.00 (25.4) 2.12 (53.85) Min. Full Spline (2).50 (12.7) 20 UNF 2B Thd (25.4) Min. Deep Dim A 3.67 (93.2) 3.50 (88.9) 2.25 (57.2) Min. Full Spline 23L (47.6) (2).50 (12.7) 20 UNF 2B Thd (25.4) Min. Deep 23S 1.22 (31.0) Min. Full Spline (47.63) Dim A 2.42 (61.5) 2.24 (56.9) External Involute Spline 30 Flat Root Side Fit per ANSI Standard Class 6 Fit # of teeth = 20 Pitch = 8/16 O.D. = ( ) External Involute Spline 30 Flat Root-Side Fit per ANSI Standard Class 6 Fit # of teeth = 23 Pitch = 8/16 O.D. = ( ) External Involute Spline 30 Flat Root-Side Fit per ANSI Standard Class 6 Fit # of teeth = 23 Pitch = 8/16 O.D. = ( ) 29
42 Model 8 and Model 8 Series B Other Options Weldable Hub The hubs are 4140H steel and can be turned down and/or welded for mounting sprockets, pulleys, or other devices. A circular keeper plate secures the hub to the splined output shaft with two bolts (keeper plate and bolts included). KIT NUMBER SPLINE FITS MODELS T , 6, & T B, 7, 8, 8B, 9, & T , 8B, & 9 KEEPER PLATE (with counterbored through holes) WELDABLE HUB (with matching spline) Splined Output Shaft Boot Seal Boot Seal An optional seal that protects the main oil seal from dirt and other debris. The boot seal will give extended life on applications operating in extremely muddy or dirty conditions. Boot seals are available on a selective model basis. Metal Guard Guard and Boot Seal System A boot seal and metal guard are available with F5 spindle output units only. These can be ordered separately or together. They function best together. The guard and boot seal system are utilized in extremely high grit applications. The guard protects the boot seal from contaminants which will ultimately wear the boot seal lip. Quick Disconnect This optional disconnect is available on all wheel drives. No tools are needed to disengage or re-engage the drive. The planetary drive is disengaged with the push of a button. The quick disconnect eliminates removal of the disconnect cover and external contaminates are sealed from the units by internal o-rings and a gasket that is sandwiched between the disconnect and planetary cover. The rugged, compact design ensures dependable service. 30
43 Lubrication Data Power Wheel Planetary Drives are shipped without lubricant and must be filled to the proper level prior to start-up. 1. Type In normal applications use an extreme pressure lubricant API-GL-5 approved. AGI recommends SAE 80W, 90, 80W-90 and 85W-90 grades of lube under normal climate and operating conditions. See chart below. For severe or abnormal applications with special requirements consult either Auburn Gear or a lubricant manufacturer for further assistance. 2. Change Interval Initial lubrication change after 50 hours of operation. Subsequent changes every 1000 hours or yearly whichever comes first. 3. Lube Temperature Continuous operating temperatures of 160 F are allowable. Maximum intermittent temperature recommended is 200 F. 4. Amount of Lube The unit should be half full when mounted horizontal. Lube levels for other mounts will vary. Consult Auburn Gear for details. 5. Shaft or Spindle Up Mounting If mounting unit vertically with shaft or spindle up, special provisions apply to ensure adequate lubrication of output bearings. Consult Auburn Gear. Auburn Gear Power Wheel Low Temperature Gear Lube Requirement SAE Viscosity Grade 75W-90 80W, 80W-90 85W, 85W Auburn Gear Recommended Minimum Temperature -40 F (-40 C)* -15 F (-26 C)* 10 F (-12 C)* 35 F (2 C) * Maximum temperature for Brookfield Viscosity 1 of 150,000 centipoise (cp) 2 per SAE J306 MAR85 1 Brookfield Viscosity - apparent viscosity as determined under ASTM D ,000 cp determined to provide sufficient low temperature lube properties for Auburn Gear Power Wheels Warranty Information Power Wheel Warranty Seller warrants to Purchaser that its Power Wheel planetary gear products are free from defects in material and workmanship under normal use and service for a period of one year from the date the product is shown to have been placed into operation by original user or for two years from date of shipment from seller s plant, whichever shall first occur. Seller s obligation under this warranty is expressly limited to the repair or replacement at its option, of the Power Wheel which is returned with a written claim of defect f.o.b. seller s factory, Auburn, Indiana, U.S.A., and which is determined by Seller to be defective in fact. THIS IS THE SOLE AND ONLY WARRANTY OF SELLER AND NO OTHER WARRANTY IS APPLICABLE, EITHER EXPRESSED OR IM- PLIED, IN FACT OR BY LAW, INCLUDING ANY WARRANTY AS TO MERCHANTABILITY OR FIT- NESS FOR A PARTICULAR USE OR PURPOSE. The sole and only remedy in regard to any defective Power Wheel shall be the repair or replacement thereof herein provided, and seller shall not be liable for any consequential, special, incidental, or punitive damages, losses or expenses resulting from or caused by any defects. AUBURN GEAR, INC. AUBURN, INDIANA, U.S.A. 31
44 400 East Auburn Drive Auburn, Indiana USA PH: (219) FAX: (219) Web: All specifications and data contained herein are nominal and subject to change without notice. Specific applications should be referred to Auburn Gear for current information. PW8-0201
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