Eaton Hydrostatic Transaxle 6-49 May, 999 s Information Transaxle Series 78
Series 78 3 4 5 6 7 50 47 48 5 49 8 Barb Fitting or Plug 5 Port Plate (Horizontal Mount) 9 0 48 6 4a 4 7a 53 7 3 8 0 9 50 5 0a 55 56 57 58 0a 5 60 6 59 6 3 4 8 J L K A-Side 9a 9 D E 54 A B C F G H s Drawing Continued on Page 4 I
Series 78 04436-00 Screw, /4-0 Self Tap 6 0607 Cover (S/A) 3 0680-56 Ring, Retaining, Internal 4 06073 Shaft, Input (S/A) 5 93955 Seal, Input Shaft 6 93895 Seal, Control Shaft 7 8 9 0445 Rotor/Ball/Pin (S/A) 0583 Cam Ring (S/A) 3 4 036 Control Shaft, External Thrd. 4a 04935 Control Shaft, Internal Thrd. 6 7 060 Cover, Valve 7a 06385 Port Plate (Horiz. Mount) 8 060 Filter (Internal) 9 0 0a 06070 Cover 0537 Gasket, Cover 0597 Button 4 0 0407 Drive 036 Insert 5 Housing (S/A) w/parts 57-60 N/A 03757-088 Housing (S/A) w/parts 6-63 Screw, /4-0 Hex Flange 0600 Gasket, V Cover/P Plate 06008 Plug/Seal (S/A) No Dump V Dump Valve s 04664 Nut, Dump Valve Fitting 8785-00 Seal, O-ring 3 04684 Spring, Dump Valve 4 05660 Bracket, Dump Valve 5 876-03 Seal, O-ring 6 7 8 9 9a 30 3 3 34 35 36 37 058 Rotor/Ball (S/A) 0667 T Planet Gear (S/A) First 6 0674 5T Primary Carrier (S/A) 04984 5T Sun Gear, nd (Steel) 0669 T Plnt Gear (S/A) Second 6 0 8785-00 Seal, O-ring 03757-5 Screw 5/6 Hex Flange 6 069 Gasket, Axle Housing 0455 5T Motor Rotor/Ball (S/A) 085 Pad, Friction 086 Spacer 0644 Plate, Reaction 0604 Plate, Backup 048 5T Sun Gear, First 0607 Gear, Ring 57T 4 048 5T Sun Gear, Second 0604 T Plnt Gear(S/A)nd Steel 6 38 0637 Secondary Carrier (S/A) 39 0678-000 Axle Housing (S/A) A-Side 39a 0678-000 Axle Housing (S/A) B-Side 0690** Magnet (S/A) 40 066 Housing, Axle 4 03983-098 Ring, Retaining, External 4 4 03966 Thrust Washer 4 43 0680-06 Ring, Retaining, Internal 44 0498 Bearing, Ball 45 03960 Seal, Radial Lip 46 0677-000 Shaft, Axle A-Side 0677-000 Shaft, Axle B-Side 47 0685.65 Str. Fitting/O-ring (S/A) A/R 48 0663.375 Str. Fitting/O-ring (S/A) A/R 49 05636.375 90 Fitting/O-ring (S/A) A/R 50 06008 Plug/O-ring (S/A) A/R 8785-00 O-ring for Fittings (47-50) A/R 5 877-30 Seal, Square Cut 5 064 Adapter, 7/8-4 O-ring Port 53 Piston, Dampening 0496 Piston (S/A) 4 0584* Piston (S/A) 4 54 Brake Lever s A 06450 Seal, Quad B 06079 Rod, Push C 06437-000 Retainer, E-Ring 6 D 06784 Spring Base (S/A) E 06078 Spring, Conical 4 F G H I 066 Shaft, Brake 603-406P Screw, Cap, Hex 068-00 Lever, Brake LH J 0644-XXX Shim K 688-4 Nut, Hex, Lock L 068-00 Lever, Brake RH 06388 0 0467-000 Square Key (Straight Shaft) Continued on Next Page. *Piston, Dampening (S/A) - Wide Band Neutral Not Shown (has orifice hole through center). A/R - as Required (S/A) - Sub Assy. (N/A) - Not Available **Magnet (S/A) - Not Shown (Removal Not Recommended) See Chart on Page 6 Housing (S/A) A/R Rod, Push 3
Series 78 39 A Side 4 4 40 4 4 46 43 44 45 0 6 35 30 36 3 3 34 63 8 B-Side 37 38 7 9a 9 64 65 64 68 69 54 Continued from Page 66 67 3 65 3 34 35 37 0 38 7 30 36 6 45 44 43 46 40 4 4 39a B Side 4 4 4
Page 3 Duplicated (Series 78) 04436-00 Screw, /4-0 Self Tap 6 0607 Cover (S/A) 3 0680-56 Ring, Retaining, Internal 4 06073 Shaft, Input (S/A) 5 93955 Seal, Input Shaft 6 93895 Seal, Control Shaft 7 8 9 0445 Rotor/Ball/Pin (S/A) 0583 Cam Ring (S/A) 3 4 036 Control Shaft, External Thrd. 4a 04935 Control Shaft, Internal Thrd. 6 7 060 Cover, Valve 7a 06385 Port Plate (Horiz. Mount) 8 060 Filter (Internal) 9 0 0a 06070 Cover 0537 Gasket, Cover 0597 Button 4 0 0407 Drive 036 Insert 5 Housing (S/A) w/parts 57-60 N/A 03757-088 Housing (S/A) w/parts 6-63 Screw, /4-0 Hex Flange 0600 Gasket, V Cover/P Plate 06008 Plug/Seal (S/A) No Dump V Dump Valve s 04664 Nut, Dump Valve Fitting 8785-00 Seal, O-ring 3 04684 Spring, Dump Valve 4 05660 Bracket, Dump Valve 5 876-03 Seal, O-ring 6 7 8 9 9a 30 3 3 34 35 36 37 058 Rotor/Ball (S/A) 0667 T Planet Gear (S/A) First 6 0674 5T Primary Carrier (S/A) 04984 5T Sun Gear, nd (Steel) 0669 T Plnt Gear (S/A) Second 6 0 8785-00 Seal, O-ring 03757-5 Screw 5/6 Hex Flange 6 069 Gasket, Axle Housing 0455 5T Motor Rotor/Ball (S/A) 085 Pad, Friction 086 Spacer 0644 Plate, Reaction 0604 Plate, Backup 048 5T Sun Gear, First 0607 Gear, Ring 57T 4 048 5T Sun Gear, Second 0604 T Plnt Gear(S/A)nd Steel 6 38 0637 Secondary Carrier (S/A) 39 0678-000 Axle Housing (S/A) A-Side 39a 0678-000 Axle Housing (S/A) B-Side 0690** Magnet (S/A) 40 066 Housing, Axle 4 03983-098 Ring, Retaining, External 4 4 03966 Thrust Washer 4 43 0680-06 Ring, Retaining, Internal 44 0498 Bearing, Ball 45 03960 Seal, Radial Lip 46 0677-000 Shaft, Axle A-Side 0677-000 Shaft, Axle B-Side 47 0685.65 Str. Fitting/O-ring (S/A) A/R 48 0663.375 Str. Fitting/O-ring (S/A) A/R 49 05636.375 90 Fitting/O-ring (S/A) A/R 50 06008 Plug/O-ring (S/A) A/R 8785-00 O-ring for Fittings (47-50) A/R 5 877-30 Seal, Square Cut 5 064 Adapter, 7/8-4 O-ring Port 53 Piston, Dampening 0496 Piston (S/A) 4 0584* Piston (S/A) 4 54 Brake Lever s A 06450 Seal, Quad B 06079 Rod, Push C 06437-000 Retainer, E-Ring 6 D 06784 Spring Base (S/A) E 06078 Spring, Conical 4 F G H I 066 Shaft, Brake 603-406P Screw, Cap, Hex 068-00 Lever, Brake LH J 0644-XXX Shim K 688-4 Nut, Hex, Lock L 068-00 Lever, Brake RH 06388 0 0467-000 Square Key (Straight Shaft) Continued on Next Page. *Piston, Dampening (S/A) - Wide Band Neutral Not Shown (has orifice hole through center). A/R - as Required (S/A) - Sub Assy. (N/A) - Not Available **Magnet (S/A) - Not Shown (Removal Not Recommended) See Chart on Page 6 Housing (S/A) A/R Rod, Push 5
Series 78 73 7 74 7 75 70 Continued from page list on page 3 and 5. First Housings 55 876- Seal, O-ring 56 04989 Cup, Seal 57 04988 Washer 58 03757-088 Screw, Hex, Flange 59 8770- Ring, Backup 60 8765- Seal, O-ring 6 8785-04 Seal, O-ring 6 06505 Plug Current Housings Qty. 77 (Qty. 5) 76 Port Plate for Remote Filter 79 77 (Qty. 4) 78 80 L Filter Base CW CCW A-Side A-Side Port Plate and Filter Base Gasket 8 Spin-on Filter Cartridge 63 Housing (S/A) 64 0699 Flange 65 05949-075.5 Torx But Head Screw 6 66 9608-03 Nut, Hex 4 67 95897-03 Washer, Lock 4 68 9586-5 Screw, Cap, Hex Head 4 69 5090-04 Plug/O-ring (S/A) 8785-04 O-ring 70 73 75 76 77 78 79 80 0676-088 Screw, Cap, Socket 8 04467 Plate, (Class ll) 04466 Gerotor (Class ll) 0470 Plate, and Gerotor (High Pressure) 0453 Plate, Port 03757-088 Screw, /4-0 Hex Flange A/R 04386 Filter Base L 03757-375 Screw, /4-0 Hex Flange 0439 Gasket 8 0558 Filter See Charts Below Housing (S/A) Reference Number 5 Housing (other s Included in S/A are 59-6, 64 and 65) No Wide Band Neutral ( 53) Wide Band Neutral ( 53) Standard Special Standard No * (70) 7 7 74 74 and 75 044 Spring 9588-038 Ball High Press. No * (70) High Press. 063 06306 0630 6 CW B-Side CCW B-Side *Class ll 63 Housing (other s Incuded in S/A are 64, 65 and 69) No Wide Band Neutral ( 53) Wide Band Neutral ( 53) Standard Special Standard No 063 069 * (70) High Press. No 06307 * (70) High Press.
Series 78 HOW TO ORDER REPLACEMENT PARTS EACH ORDER MUST INCLUDE THE FOLLOWING:. Product Number. Date Code 3. Name 4. Number 5. Quantity of s Number, Date of Assembly, and Input Rotation Stamped on this Surface Assembly Number Input Rotation (CW or CCW) Date of Build Code Customer Number ( if Required ) XXX-XXX XXX XXXXXX XXXXXX XX/XX/XX Factory Rebuild Code Original Build ( example - 009 ) 0 0 9 Year Day Month Factory Rebuild ( example - 0/0/9 ) 0 0 9 Number of Times Rebuilt () Year Day Month 7
Series 78 Eaton Corporation Hydraulics Division 55 Hwy. 5 Eden Prairie, MN 55344 Telephone: 6/937-754 Fax: 6/937-730 Eaton Ltd. Hydraulics Division Glenrothes, Fife Scotland, KY7 4NW Telephone: [+44] (0)59-77-77 Fax: [+44] (0)59-773-84 Eaton B.V. Boeing Avenue 9 PC Schiphol-Rijk The Netherlands Telephone: [+3] (0)0-655 6776 Fax: [+3] (0)0-655 6800 Sumitomo Eaton Hydraulic Co. 8 Temasek Blvd. 4-0 Suntec Tower Three Singapore 03988 Telephone: [+65] 83-777 Fax: [+65] 83-77 ACCREDITED BY THE DUTCH COUNCIL FOR CERTIFICATION Reg. 4 Sumitomo Eaton Hydraulic Company Ltd. Ooi-Cho Kameoka-Shi 6-007 Kyoto Japan Telephone: [+8] 77--960 Fax: [+8] 77-9-00 Eaton Ltd. 7th Floor, Woo Duk Building 83- Yeoksam-Dong, Kangnam-Ku Soeul 35-750 Korea Telephone: [+8] -557-0595 Fax: [+8] -557-634 Eaton Hydraulics (Shanghai) Co. Ltd. 388 Aidu Road, Waigaogiao FTZ Pudong New Area Shanghai 0037 Peoples Republic of China Telephone: [+86] -5046 0758 Fax: [+86] -5046 0767 Jining Eaton Hydraulic Co. Ltd. 6 Ji Da Road Jining City Shandong Province 73 Peoples Republic of China Telephone: [+86] 537-88 Fax: [+86] 537-557 ISO-900 CERTIFICATED FIRM DET NORSKE VERITAS INDUSTRY BV, THE NETHERLANDS Qualitiy System Certified Products in this catalog are manufactured in an ISO-900-certified site. www.eatonhydraulics.com Form 6-49 Copyright Eaton Corporation, 99, 997, 998, and 999 All Rights Reserved Printed in USA