DIST. AUTORIZADO
About WPT Since 992! As an international manufacturer of pneumatic and hydraulic power take-off s, clutches and brakes for a broad range of industrial and petroleum applications, WPT Power Transmission has been a leader in the power transmission industry, providing superior products with the highest of quality since 992. Tough Running. WPT s competitive pricing and outstanding lead-times from our Wichita Falls, Texas facilities help make WPT the OEM supplier of choice for major manufacturers worldwide. Rugged Design. Our professional engineering department specializes in designing units that will meet and exceed your unique needs. If you require a special design or application, please contact WPT s engineering department for successful solutions. Worldwide Distribution. WPT s extensive network of domestic and international distributors ensures that your product needs will be met when and where you need it. Our distributors are well-supplied with WPT inventory for those instances when demands are critical in order to eliminate major down time. For a WPT distributor in your area, please visit our website at www.wptpower.com. If you would like any further information on WPT Power Transmission or any of the products and services we provide, please contact us at (940) 76-97.
Heavy Duty Power Take-Off Clutches Hydraulic or Pneumatic Actuation. Up to 200 hp Ideal for the following engine driven equipment: Pumps Woodchippers Recycling Shredders Dredges Road Planers Rock Crushers Type n Applications from 400hp - 200hp (298kW-566kW) n Best suited for engine drives on rock crushers, dredge pumps, oilfield mud pumps, waste shredders and other high horsepower applications n Toughest pneumatic or hydraulically actuated PTO available in its class n No pilot bearing n Best design for very high side loading Type 2 n Applications from 200hp-600hp (49kW-447kW) n Best suited for medium to high side loads n Typical applications include engine driven pumps for irrigation, fire control, high pressure spray as well as road planers, wood chippers and utility construction equipment n Bullet-proof, hard working design n Pneumatic or hydraulic actuation n No pilot bearing - -
Type H I Dimensions inches (mm) A B C E F G D L M keyway K X Distance centerline of load J [3.2] R NPT air inlet N P support bracket supplied by customer (required) SIZE/ MODEL SAE HSG # 34H,0 34H/EXT,0 38 0 38/EXT 0 38 00 32 00 32/SHORT 32/EXT 00 00 E +.000/-.005 (+.00/-.3) 8.375 (466.73) 8.375 (466.73) 22.500 (57.50) 22.500 (57.50) 22.500 (57.50) 26.500 (673.0) 26.500 (673.0) 26.500 (673.0) F BOLT CIRCLE 7.25 (438.2) 7.25 (438.2) 2.38 2.38 2.38 25.25 (64.4) 25.25 (64.4) 25.25 (64.4) G HOLES QTY 8 8 6 6 6 DIA 2/32 2/32 2/32 2/32 2/32 2/32 H (25.4) (25.4) 5/8 (5.9) 5/8 (5.9) 5/8 (5.9) 0 (0.0) 0 (0.0) 0 (0.0) a Maximum 8V grooves at a 5 (38.0) min outside diameter [ /4 (3.2) inside dia] sheave. b Maximum 8V grooves at a 9 (482.6) min outside diameter [6 /4 (4.8) inside dia] sheave. allowable side-pull load lbs (kgs) SIZE/TYPE RPM 6 (52.4) 7 (77.8) 8 (203.2) n Remote engagement n Self-adjusting n Hydraulic actuation available n Kevlar reinforced friction discs n Belt change without removing rear bearing Kevlar is a registered trademark of DuPont Inc. housing dimensions inches (mm) SAE HSG # 0 00 Hydraulic model dimensionally same as pneumatic model above A OUTSIDE DIA 2 3/4 (552.5) 28 (7.2) 34 3/4 (882.7) B BOLT CIRCLE 20.88 (530.2) 26.75 (679.5) 33.50 (850.9) C +.000/-.005 (+.00/-.3) 20.5 (5.8) 25.500 (647.70) 3.000 (787.40) D HOLES QTY 6 6 DIA 5/32 (.9) 34H 34H/EXT 38 38/EXT 32 32/SHORT 32/EXT 2300 2,730 (9860) 23,800 (0800) 26,30 (930) 200 22,350 (040) 24,480 (00) 27,050 (270) 800 23,430 (0630) 25,660 (640) 28,370 (870) 500 24,780 (40) 27,40 (30) 30,000 (360) 2300 20,050 (9090) 2,340 (9680) 200 20,620 (9350) 2,950 (9960) 800 2,620 (980) 23,00 (0440) 500 22,860 (0370) 24,330 (040) 200 2,90 (9940) 24,00 (0890) 26,550 (040) 800 23,000 (0430) 25,200 (430) 27,870 (640) 500 24,350 (050) 26,680 (00) 29,50 (3390) 00 26,0 (840) 28,60 (980) 3,640 (4350) 200 20,220 (970) 2,520 (9760) 800 2,220 (9630) 22,590 (0250) 500 22,460 (090) 23,90 (0850) 00 24,070 (0920) 25,630 (630) 800 2,20 (9620) 22,570 (0240) 500 22,470 (090) 23,90 (0850) 00 24,0 (0940) 25,650 (630) 800 25,50 (570) 28,750 (3040) 3,60 (4340) 500 27,040 (270) 30,480 (3830) 33,350 (530) 00 29,030 (370) 32,720 (4840) 35,60 (650) 800 500 00 Certified Prints Available on Request - 2 -
DIST. AUTORIZADO I J K L M +.000/-.00 (+.00/-.03) KEYWAY N +.000/-.005 (+.00/-.3) P BOLT CIRCLE R HOLES SHEAVE (CUSTOMER SUPPLIED) QTY TAP MAX DIA MAX WIDTH GROOVES 38 23/32 (983.5) 3 /2 (800.) 3 5/6 (338.) 4 (355.6) 4.500 (4.30) x /2 (25.4 x.7) 6.000 (406.40) 7.50 (444.5) /2-3 8 (457.2) 5 /32 (389.7) a 44 23/32 (35.9) 37 /2 (952.5) 9 5/6 (490.5) 20 (508.0) 4.500 (4.30) x /2 (25.4 x.7) 6.000 (406.40) 7.50 (444.5) /2-3 8 (457.2) 2 3/8 8 a 38 23/32 (983.5) 3 /2 (800.) 3 5/6 (338.) 4 (355.6) 4.500 (4.30) x /2 (25.4 x.7) 6.000 (406.40) 7.50 (444.5) /2-3 8 (457.2) 5 /32 (389.7) a 44 23/32 (35.9) 37 /2 (952.5) 9 5/6 (490.5) 20 (508.0) 4.500 (4.30) x /2 (25.4 x.7) 6.000 (406.40) 7.50 (444.5) /2-3 8 (457.2) 2 3/8 8 a 40 2/64 (024.3) 33 5/32 (842.2) 3 5/6 (338.) 4 (355.6) 4.500 (4.30) x /2 (25.4 x.7) 6.000 (406.40) 7.50 (444.5) /2-3 8 (457.2) 5 /32 (389.7) a 44 5/8 (33.5) 39 25/32 (00.4) 9 5/6 (506.4) 20 5/8 (523.9) 4.750 (0.65) /4 x 5/8 (3.8 x 5.9) 8.000 (457.20) 9.75 (50.7) 5/8-23 (584.2) 22 27/32 (580.2) 8 a 36 3/32 (96.8) 30 25/32 (78.8) 0 5/6 (277.8) 5/8 (295.3) 4.750 (0.65) /4 x 5/8 (3.8 x 5.9) 8.000 (457.20) 9.75 (50.7) 5/8-23 (584.2) 3 3/6 (350.8) 0 47 5/8 (09.7) 42 25/32 (086.6) 22 5/6 (582.6) 23 5/8 (600.) 4.750 0.65) /4 x 5/8 (3.8 x 5.9) 8.000 (457.20) 9.75 (50.7) 5/8-23 (584.2) 25 27/32 (656.4) 22 b For PTO Selection Guide, see page 6 X DISTANCE inches (mm) 9 (228.6) 0 (254.0) (279.4) (304.8) 3 (330.2) 4 (355.6) 5 (38.0) 6 (406.4) 29,400 (3340) 28,070 (730) 25,770 (690) 23,820 (0800) 30,240 (3720) 28,850 (3090) 26,480 (00) 24,470 (00) 3,70 (4380) 30,200 (3700) 27,720 (570) 25,620 (620) 33,530 (520) 3,890 (4470) 29,270 (3280) 27,050 (270) 22,80 (0350) 24,50 (0) 26,470 (00) 28,770 (3050) 29,200 (3250) 27,280 (370) 25,590 (60) 24,00 (0930) 23,460 (0640) 25,200 (430) 27,220 (350) 29,580 (3420) 30,000 (360) 28,030 (70) 26,290 (930) 24,770 (40) 24,600 (60) 26,420 (980) 28,540 (950) 3,020 (4070) 3,40 (4250) 29,350 (330) 27,530 (490) 25,930 (760) 26,00 (800) 27,940 (670) 30,80 (3690) 32,800 (4880) 33,70 (5050) 30,990 (4060) 29,070 (390) 27,380 (420) 29,700 (3470) 28,940 (330) 26,560 (050) 24,550 (40) 3,70 (440) 30,290 (3740) 27,800 (60) 25,690 (650) 33,000 (4970) 3,970 (4500) 29,350 (330) 27,0 (300) 35,380 (6050) 34,60 (5490) 3,360 (4220) 28,980 (350) 23,00 (0440) 24,70 (0) 26,690 (0) 29,00 (360) 30,50 (3680) 28,60 (770) 26,420 (980) 24,880 (90) 24,40 (0950) 25,930 (760) 28,000 (700) 30,440 (380) 3,560 (4320) 29,480 (3370) 27,660 (550) 26,050 (820) 25,560 (590) 27,450 (450) 29,640 (3440) 32,220 (460) 33,320 (50) 3,0 (40) 29,200 (3250) 27,500 (470) 27,390 (420) 29,420 (3340) 3,780 (4420) 34,540 (5670) 35,60 (650) 33,260 (5090) 3,20 (460) 29,390 (3330) 24,0 (0940) 25,880 (740) 27,930 (670) 30,330 (3760) 3,440 (4260) 29,430 (3350) 27,670 (550) 25,540 (580) 27,40 (430) 29,590 (3420) 32,30 (4570) 33,80 (5050) 3,060 (4090) 29,90 (3240) 27,400 (430) 29,420 (3340) 3,740 (4400) 34,470 (5640) 35,450 (6080) 33,80 (5050) 3,90 (450) 28,580 (960) 26,090 (830) 30,60 (3680) 27,530 (490) 32,20 (460) 29,400 (3340) 29,20 (3250) 3,070 (4090) 3,070 (4,090) 28,940 (330) 27,090 (290) 25,460 (550) 24,00 (0890) 30,920 (4030) 32,900 (4920) 32,790 (4,870) 30,550 (3860) 28,590 (970) 26,870 (90) 25,350 (500) 33,50 (5040) 35,280 (6000) 35,030 (5,890) 32,630 (4800) 30,540 (3850) 28,70 (3020) 27,080 (280) - 3 -
n Remote engagement n Self-adjusting n Hydraulic actuation available n Kevlar reinforced friction discs Kevlar is a registered trademark of DuPont Inc. H Type 2 I J X distance centerline of load DIST. AUTORIZADO KEYWAY SAE HSG # 3 2 /2 0 housing Dimensions inches (mm) A OUTSIDE DIA 7 3/4 (450.9) 9 /4 (489.0) 2 3/4 (552.5) 25 /2 (647.7) 28 (7.2) B BOLT CIRCLE 6.88 (428.6) 8.38 (466.7) 20.88 (530.2) 24.38 (69.) 26.75 (679.5) Dimensions inches (mm) C +.000/-.005 (+.00/-.3) 6.5 (409.58) 7.625 (447.68) 20.5 (5.8) 23.000 (584.20) 25.500 (647.70) D HOLES QTY 6 DIA 3/32 (0.3) 3/32 (0.3) 5/32 (.9) A B C E F K l m n SIZE/ MODEL SAE HSG # E +.000/-.005 (+.00/-.3) F BOLT CIRCLE G HOLES QTY DIA H I G D SEE DETAIL T R S P U detail NPT air inlet 2/3 #2,3 24/34H #,0 24/34H COMPACT # 3.875 (352.43) 8.375 (466.73) 8.375 (466.73) 3.3 (333.4) 7.25 (438.2) 7.25 (438.2) 8 8 8 3/32 (0.3) 9/6 (39.7) (25.4) (25.4) 7 55/64 (453.8) 3 9/6 (799.2) 20 27/64 (58.6) 4 [4.3] 3 [76.2] 9 [228.6] 24/34H FLG SHAFT # 8.375 (466.73) 7.25 (438.2) 8 (25.4) 26 /2 (673.) [38.] 3/6 [ 20.6] drill thru 4 holes, as shown 28/38 #0 22.500 (57.50) 2.38 6 2/32 5/8 (5.9) 3 29/32 (80.4) H I J 28/38 FLG SHAFT #0 22.500 (57.50) 2.38 6 2/32 5/8 (5.9) 3 29/32 (80.4) Z allowable side-pull loads lbs (kgs) A B C E F v w x l m n SIZE/TYPE RPM 2 (50.8) 3 (76.2) 4 (0.6) G D P X Distance centerline of load Y NPT air inlet flange shaft available 2/3 2500 2760 (50) 2390 (080) 20 (960) 2300 2830 (80) 2450 (0) 260 (980) 200 290 (320) 2520 (40) 2220 (00) 800 3040 (380) 2630 (90) 2320 (050) 2300 9820 (4460) 9040 (40) 8380 (380) 24/34H 28/38 200 0090 (4590) 9290 (4220) 860 (390) 800 0560 (4800) 9720 (4420) 900 (400) 500 40 (5060) 0260 (4660) 950 (4320) 2300 7860 (3570) 690 (340) 670 (2800) Hydraulic model dimensionally same as pneumatic models above 24/34H COMPACT 200 8070 (3670) 700 (3230) 6340 (2880) 800 8450 (3840) 7430 (3380) 6640 (3020) 500 890 (4050) 7840 (3560) 7000 (380) - 4 - Certified Prints Available on Request
J 6 47/64 (425.2) 28 /32 (79.9) 9 9/64 (490.0) 2 27/32 (554.8) K +.000/-.00 (+.00/-.03) 2.750 (69.85) 3.625 (92.08) 3.543 (90.00) KEYWAY 5/8 x 5/6 (5.9 x 7.9) 7/8 x 7/6 (22.2 x.) 25mm x 5.4mm - - L 7 7/6 (88.9) 8 /2 (25.9) 9 (228.6) 8 /2 (25.9) M N +.000/-.002 BOLT (+.00/-.05) CIRCLE P HOLES R S T U V W X +.000/-.004 (+.00/-.0) Y Z STUDS QTY TAP QTY THD - - - - - - 9.000 (228.60) 9.646 (245.00) 9.000 (228.60) 0.25 (260.4) 0.83 (275.0) 0.25 (260.4) 6 5/8-6 (406.4) 3/4 (9.) 6 M4 - - 6 5/8- - - 5 5/8 (42.9) 49/64 (298.8) 49/64 (298.8) 49/64 (298.8) 5 /6 (8.6) 7 /4 (84.2) 5 33/64 (40.0) - - - - - - - - - - - - - - - - - - - 3 /4 (82.6) 4.75 (0.7) 6.54 (65.46) 3/4 (9.) 6 5/8-8 28 /6 (728.7) 3.625 (92.08) 7/8 x 7/6 (22.2 x.) 8 /2 (25.9) 9.000 (228.60) 0.25 (260.4) 6 5/8-6 (406.4) 3/4 (9.) 9/64 (308.4) 7 /4 (84.2) - - - - - - 28 /6 (728.7) - - 8 /2 (25.9) 9.000 (228.60) 0.25 (260.4) 6 5/8- - - 9/64 (308.4) - 3 /4 (82.6) 4.75 (0.7) 6.54 (65.46) 3/4 (9.) 6 5/8-8 For PTO Selection Guide, see page 6 X DISTANCE inches (mm) 5 (7.0) 6 (52.4) 7 (77.8) 8 (203.2) 9 (228.6) 0 (254.0) (279.4) (304.8) 3 (330.2) 4 (355.6) 5 (38.0) 6 (406.4) 880 (850) 700 (770) 550 (700) 430 (650) 80 (580) 60 (530) 930 (880) 750 (790) 590 (720) 460 (660) 30 (600) 00 (550) 980 (900) 790 (80) 640 (740) 500 (680) 360 (620) 30 (560) 2080 (940) 880 (850) 70 (780) 570 (70) 460 (660) 300 (590) 70 (3550) 730 (3320) 6870 (30) 6480 (2950) 640 (2790) 5820 (2650) 5540 (2520) 5290 (2400) 5050 (2300) 4840 (2200) 4640 (20) 4460 (2030) 8020 (3650) 750 (340) 7060 (320) 6660 (3030) 6300 (2860) 5980 (2720) 5690 (2590) 5430 (2470) 590 (2360) 4970 (270) 4770 (2260) 4580 (2080) 8400 (3820) 7860 (3570) 7390 (3360) 6970 (370) 6600 (3000) 6260 (2850) 5960 (270) 5680 (2580) 5430 (2470) 5200 (2360) 4990 (2270) 4800 (280) 8860 (4030) 8300 (3770) 7800 (3550) 7360 (3350) 6960 (360) 660 (3000) 6290 (2860) 6000 (2730) 5740 (260) 5490 (2500) 5270 (2400) 5070 (2300) 5580 4760 (260) 4060 (850) 3540 (60) 340 (430) 2820 (80) (2540) 5730 (2800) 4900 (2230) 480 (900) 3640 (650) 3230 (470) 2900 (320) 5990 (2720) 550 (2340) 4390 (2000) 3830 (740) 3390 (540) 3050 (390) 6330 (2880) 5460 (2480) 4660 (20) 4060 (850) 3600 (640) 3230 (470) - 5 -
PTO Selection Guide Step One Select Type Use one of the formulas below for determining the actual applied load: 2 L = L = 6,000 x HP N x D,945,000 x kw N x D x F x SF x F x SF L = Actual Applied Load (lbs. for and Kgs for ) N = Shaft Speed (RPM) D = Pitch Diameter (in. for and mm for ) F = Load Factor.0 for Chain Drive or Gear Drive.5 for Timing Belts 2.5 for All V-belts SF = Service Factor 2. for Reciprocating Compressors and other severe shock drives.8 for Large Inertia Drives such as Crushers, Chippers and Planers Refer to Type or Type 2 Allowable Side Pull Load Step Two Select Clutch Size Use one of the following formulas for determining the clutch size based on horsepower or Kilowatts per 00 RPM: HP x 00 RPM kw x 00 RPM = HP/00 RPM = kw/00 RPM HP = Maximum rated engine horsepower kw = Maximum rated engine Kilowatts RPM = Shaft Speed CLUTCH SIZE MAXIMUM HP (kw)/ 00 RPM 2 0 (7.5) 3 5 (.2) 24H 2 (5.7) 34H 32 (23.9) 28 40 (29.8) 38 60 (44.7) 32 4 (85.0) Consult WPT Engineering for application assistance and applicable safety/service factors. Maximum Horsepower (kw) Ratings CLUTCH SIZE @ 00 rpm @ 800 rpm @ 200 rpm @ 2300 rpm @ 2500 rpm 2 80 (35) 20 (55) 230 (70) 250 (85) 3 270 (200) 35 (235) 345 (255) 375 (280) 24H 380 (280) 440 (330) 485 (360) 34H 575 (430) 670 (500) 735 (550) 28 480 (360) 720 (535) 840 (625) 38 720 (535) 080 (805) 60 (940) 32 365 (020) 2050 (530) Do not exceed maximum ratings without consulting WPT Engineering Department. - 6 -
Suggested Remote Actuation Control Circuits Hydraulic Actuation This hydraulic schematic represents two possible methods for remote actuation control, however the possibilities are not limited to these two examples. This schematic is intended for a general understanding of the hydraulic remote actuation control process. Clutch piston rotary coupling clutch pressure clutch control box Clutch disengaged throttle lock M / 24 V. hydraulic supply reducing customers hydraulic supply toggle switch 50 psi hyd supply accumulator / 24 V. / 24 v. solenoid solenoid 500 PSI HYD SUPPLY Air Actuation This schematic represents three possible pneumatic remote actuation control circuits. Once again, the possibilities are not limited to these examples. These suggestions are intended for a general understanding of the pneumatic remote actuation control process. rotary coupling supply air exhaust -24 V. quick release 3 way, 2 position palm button pilot signal hose free flow from control 3 way pilot operated exhaust supply air 30 psi max 3 way, 2 position lever or palm button exhaust supply air 30 psi max 3 way solenoid operated exhaust supply air 30 psi max - 7 -
Power Grip High Speed Clutches Clutch Size Max hp (kw) per 00 rpm Max hp (kw) @ max rpm Max Speed rpm 24H 2 (5.7) 485 (360) 2,300 34H 32 (23.9) 735 (550) 2,300 28 40 (29.8) 840 (625) 2,00 38 60 (44.7),260 (940) 2,00 32 4 (85.0) 2,050 (530),800 DIMENSIONS inches (mm) +.000/-.005 (+.000/-.3) - 8 -
Mechanical Over-Center Power Take-Off Clutches Ideal for the following engine driven equipment: Irrigation Woodchippers Tub Grinders Marine Construction Pump Drives n Inline and sideload applications n 6 thru 4 available (20 hp/5 kw up to 582 hp/434 kw) n 00% interchangeable with existing PTO s n Sealed ball pilot bearings n Ball bearing throw-out collars optional n Stock availability on most models! n 3 Mechanical Automotive Style Clutch Available! For more information, request Brochure WLB-TD-000
WLB-CG-000-D