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8J1905 PISTON PUMP GROUP--Slipper--Part 1 of 2 Serial No. 64R267 to 64R310 inclusive 8J6899 Head parts are shown on Page 53 235




HYDRAULIC SYSTEM

PUMP GP
 

#UEH0887S0120
 

8J-1905: PUMP GP-PISTON

8J1905 PISTON PUMP GROUP--Slipper--Part 1 of 2
Serial No. 64R267 to 64R310 inclusive
8J6899 Head parts are shown on Page 53
c157727 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE  
4. 2H-6488 [4] BOLT  
5. 3B-4508 [10] LOCKWASHER  
6. 8J-6899 Y [1] HEAD GROUP  
    (Separate Illustration)
7. 9J-3526 R [1] PLATE  
8. 8J-0240 [1] GASKET  
9. 0S-1573 [4] BOLT  
10. 031-4630 [10] BOLT  
11. 8J-0241 [2] BEARING  
12. 8J-0218 [6] SHIM .13 mm(.005 in.) thick  
  8J-0217 [4] SHIM .06 mm(.002 in.) thick  
13. 8J-0171 [1] PLATE  
14. 1D-4572 [2] BOLT  
15. 5B-5821 [2] DOWEL  
16. 5H-6199 [1] RING  
17. 8J-0179 [1] PLATE  
18. 8J-6897 [9] PISTON ASSEM.  
19. 8J-2043 [1] SPRING  
20. 8J-7332 [1] BARREL ASSEM.  
21. 8J-0237 [2] SPACER  
22. 1K-6985 [1] RING  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UEH0887S0121
 

8J-1905: PUMP GP-PISTON

8J1905 PISTON PUMP GROUP--Slipper--Part 2 of 2
Serial No. 64R267 to 64R310 inclusive
c157728 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7336 [2] LINK  
2. 2J-0157 [2] SEAL  
3. 6F-8205 [8] WASHER .559 mm(.022 in.) thick  
  6H-0199 [2] WASHER 2.77 mm(.109 in.) thick  
  5J-9101 [2] SHIM .254 mm(.010 in.) thick  
4. 8J-1603 [1] BOLT  
5. 8J-0219 [1] BOLT  
6. 8J-7333 [2] INSERT  
7. 8J-6276 [2] RETAINER  
8. 1S-8517 [2] RING  
9. 9S-8008 [3] PLUG  
  3D-2824 [3] SEAL  
10. 9M-2092 [2] SEAL  
11. 8J-0123 [2] COVER  
12. 6S-2827 [2] CONE  
13. 0S-1588 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
14. 8J-0220 [4] SHIM .127 mm(.005 in.) thick  
  8J-0221 [4] SHIM .05 mm(.002 in.) thick  
15. 5P-0402 [2] SEAL  
16. 7H-2444 [2] SEAL  
17. 8J-6802 [1] SHAFT  
18. 7J-8893 [1] CONE  
19. 9J-6403 C [1] RETAINER  
  6D-7889 C [2] SEAL  
20. 6S-2826 [2] CUP  
21. 5B-5821 [1] DOWEL  
22. 8J-0103 [1] SWASHPLATE  
23. 1T-0284 [3] BOLT  
24. 8J-0137 [1] BODY  
25. 7J-8894 [1] CUP  
26. 1A-2223 [2] DOWEL  
  8J-8652 KIT (Consists of Gasket Ring and Seals)  
  C   INDICATES CHANGE
 

#UEH0887S0122
 

8J-1905: PUMP GP-PISTON

8J1905 PISTON PUMP GROUP--Slipper--Part 1 of 2
Serial No. 64R311-Up
8J6899 Head parts are shown on Page 53
c219029 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE  
4. 2H-6488 [4] BOLT  
5. 3B-4508 [10] LOCKWASHER  
6. 8J-6899 Y [1] HEAD GROUP  
    (Separate Illustration)
7. 9J-3526 R [1] PLATE  
8. 8J-0240 [1] GASKET  
9. 0S-1573 [4] BOLT  
10. 034-4160 [8] BOLT  
11. 3G-5750 C [2] BEARING  
12. 8J-0218 [6] SHIM .13 mm(.005 in.) thick  
  8J-0217 [4] SHIM .06 mm(.002 in.) thick  
13. 8J-0171 [1] PLATE  
14. 1D-4572 [2] BOLT  
15. 5B-5821 [2] DOWEL  
16. 9M-1974 [1] WASHER  
17. 3G-3150 [1] PLATE  
18. 8J-6897 [9] PISTON ASSEM.  
19. 8J-2043 [1] SPRING  
20. 9J-8667 R [1] BARREL ASSEM.  
21. 8J-0237 [2] SPACER  
22. 1K-6985 [1] RING  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEH0887S0123
 

8J-1905: PUMP GP-PISTON

8J1905 PISTON PUMP GROUP--Slipper--Part 2 of 2
Serial No. 64R311-Up
c221067 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7336 [2] LINK  
2. 2J-0157 [2] SEAL  
3. 6F-8205 C [3] WASHER .559 mm(.022 in.) thick  
  6H-0199 C [1] WASHER 2.77 mm(.109 in.) thick  
  5J-9101 C [1] WASHER .254 mm(.010 in.) thick  
4. 8J-1603 [1] BOLT  
5. 8J-0219 [1] BOLT  
    - OR -
  3G-6019 C [1] BOLT  
  1D-5121 C [1] NUT  
6. 8J-7333 [2] INSERT  
7. 8J-6276 [2] RETAINER  
8. 1S-8517 [2] RING  
9. 9S-8008 [3] PLUG  
  3D-2824 [3] SEAL  
10. 9M-2092 [2] SEAL  
11. 8J-0123 [2] COVER  
12. 6S-2827 [2] CONE  
13. 0S-1588 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
14. 8J-0220 [4] SHIM .127 mm(.005 in.) thick  
  8J-0221 [4] SHIM .05 mm(.002 in.) thick  
15. 9J-8758 [2] SEAL  
16. 7H-2444 [2] SEAL  
17. 8J-6802 [1] SHAFT  
18. 7J-8893 [1] CONE  
19. 9J-6403 [1] RETAINER  
  6D-7889 [2] SEAL  
20. 6S-2826 [2] CUP  
21. 5B-5821 [1] DOWEL  
22. 9J-5416 [1] SWASHPLATE  
23. 1T-0284 [3] BOLT  
24. 8J-0137 [1] BODY  
25. 7J-8894 [1] CUP  
26. 1A-2223 [2] DOWEL  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  8J-8652 KIT (Gasket, Ring, and Seals)  
 

#UEH0887S0124
 

8J-6898: VALVE GP-SERVO

8J6898 SERVO VALVE GROUP
Part of 8J6899 Pump Control Head Group shown on Page 53
c225565 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5B-9324 [1] SETSCREW  
2. 8J-2027 [1] SPACER  
3. 3D-8317 [1] RING  
4. 8J-2034 [1] STOP  
5. 3H-1118 [1] PIN  
6. 8J-3820 [1] PISTON  
7. 8J-7335 [1] PISTON  
8. 8J-2040 [1] INSERT  
9. 2L-6726 [1] RING  
10. 8J-3801 [1] CARTRIDGE  
11. 8J-3721 [1] SPOOL  
12. 8J-3722 [1] SLEEVE  
 

#UEH0887S0125
 

6J-9277: VALVE GP

6J9277 SHUTTLE VALVE GROUP
Part of 8J6773 Piston Motor Group shown on Pages 58 & 58B
c118672 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-7097 [2] LOCK  
2. 6J-9278 [2] STOP  
3. 6J-9272 [2] RING  
4. 1H-1023 [2] SEAL  
5. 4B-9782 [2] BALL  
6. 6J-9276 [1] PIN  
7. 6J-9454 [1] BODY ASSEM.  
8. 9M-8807 [2] PLUG  
 

#UEH0887S0126
 

8J-8447: VALVE GP-FOLLOWER

8J8447 FOLLOWER VALVE GROUP
Provides Field Replacement for 8J3721 Spool and 8J3722 Sleeve
c118664 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-8317 [1] RING  
2. 3H-1118 [1] PIN  
3. 8J-2034 [1] STOP  
4. 8J-2027 [1] SPACER  
 

#UEH0887S0127
 

8J-6773: MOTOR GP-PISTON-LINK

8J6773 PISTON MOTOR GROUP--Link--Part 1 of 2
Serial No. 64R1 to 64R264 inclusive. Also part of 8K2631 Swing Motor Lines Group shown on Page 62
6J9277 Valve parts are shown on Page 56. Two required for propelling track and one required for actuating swing
c153700 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6776 [1] BODY  
2. 8D-0648 [8] BOLT  
3. 8J-6277 [1] SHIM 1.245 mm(.049 in.) thick  
  8J-6278 [5] SHIM .0762 mm(.003 in.) thick  
  8J-6279 [5] SHIM .1270 mm(.005 in.) thick  
4. 8J-6239 [1] LOCK  
5. 8J-6723 [1] BODY  
6. 9S-8006 [1] PLUG  
  2M-9780 [1] SEAL  
7. 4B-4158 [4] SCREW  
8. 8J-2559 [1] PLATE  
9. 8J-6872 [1] HEAD ASSEM.  
10. 6J-2999 [2] PLUG  
11. 5J-9393 [12] BOLT  
12. 8J-6817 [1] COVER  
13. 0S-1618 [10] BOLT  
  3B-4505 [10] LOCKWASHER  
14. 7F-8268 C [1] SEAL  
15. 5H-6005 [3] SEAL  
16. 6J-9277 Y [1] VALVE GROUP  
    (Separate Illustration)
17. 1B-9575 [4] BOLT  
18. 8M-5168 [2] LOCK  
19. 6F-4718 [1] SEAL  
20. 9M-5024 [1] SEAL  
21. 9J-0747 [1] BEARING ASSEM.  
22. 1H-5338 [1] CUP  
  2K-5097 [1] CONE  
23. 3F-5792 [1] SEAL  
24. 8J-6238 [1] NUT  
25. 8J-6242 [1] SEAL  
26. 8J-6869 [1] RETAINER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEH0887S0128
 

8J-6773: MOTOR GP-PISTON-LINK

8J6773 PISTON MOTOR GROUP--Link--Part 2 of 2
Serial No. 64R1 to 64R264 inclusive. Also part of 8K2631 Swing Motor Lines Group shown on Page 62
Note: Two required for propelling track and one required for actuating swing
c160123 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6280 [1] PLATE  
2. 8J-6856 [1] DOWEL  
3. 7F-8267 [1] SEAL  
4. 8J-6235 [1] JOINT ASSEM.  
    (Includes)
  2R-1256 C [2] RING  
5. 8J-6244 [1] RACE AND ROLLER ASSEM. (outer)  
  8J-6243 [1] RACE (inner)  
6. 8J-6237 [1] RETAINER  
7. 6J-7846 [3] RACE  
8. 8J-6234 [1] SHAFT  
9. 3S-6867 [1] BEARING  
10. 6J-7855 [2] RING  
11. 6J-8712 [1] WASHER ASSEM.  
    (Includes)
12. 4S-6525 [1] DOWEL  
13. 6J-7857 [1] BOLT  
  8J-6236 [1] LOCK  
14. 8J-6781 [1] TUBE ASSEM.  
15. 8J-6241 [1] SPRING  
16. 8J-6274 [1] RING  
17. 8J-6324 [9] PISTON  
18. 8J-6276 [9] RETAINER  
19. 6J-7836 [9] RING  
20. 8J-6699 [1] BARREL  
21. 6J-7854 C [1] RING  
22. 6J-8439 [9] LINK  
23. 8J-6273 [9] RING  
24. 8J-6240 [9] RETAINER  
  C   INDICATES CHANGE
 

#UEH0887S0129
 

8J-6773: MOTOR GP-PISTON-LINK

8J6773 PISTON MOTOR GROUP--Link--Part 1 of 2
Serial No. 64R265-Up. Also part of 8K2631 Swing Motor Lines Group shown on Page 62
6J9277 Valve parts are shown on Page 56. Two required for propelling track and one required for actuating swing
c208842 UEH0887S
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6776 [1] BODY  
2. 8D-0648 [8] BOLT  
3. 8J-6277 [1] SHIM 1.245 mm(.049 in.) thick  
  8J-6278 [5] SHIM .0762 mm(.003 in.) thick  
  8J-6279 [5] SHIM .1270 mm(.005 in.) thick  
4. 8J-6239 [1] LOCK  
5. 8J-6723 [1] BODY  
6. 9S-8006 C [2] PLUG  
  2M-9780 [2] SEAL  
7. 4B-4158 [4] SCREW  
8. 8J-2559 [1] PLATE  
9. 8J-6872 [1] HEAD ASSEM.  
10. 6J-2999 [2] PLUG  
11. 5J-9393 [12] BOLT  
12. 3G-1766 CH [1] COVER  
13. 0S-1618 [10] BOLT  
14. 7F-8268 [1] SEAL  
15. 5H-6005 [3] SEAL  
16. 6J-9277 Y [1] VALVE GROUP  
    (Separate Illustration)
17. 1B-9575 [4] BOLT  
18. 7H-3937 C [14] LOCKWASHER  
19. 6F-4718 [1] SEAL  
20. 9M-5024 [1] SEAL  
21. 9J-0747 [1] BEARING ASSEM.  
22. 1H-5338 [1] CUP  
  2K-5097 [1] CONE  
23. 3F-5792 [1] SEAL  
24. 8J-6238 [1] NUT  
25. 8J-6242 [1] SEAL  
26. 8J-6869 [1] RETAINER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   NOT PART OF 8J6773 MOTOR GROUP
 

Information:

Special Instruction
Installation Of 9J9847 Swivel Group{5060}
Installation Of 9J9847 Swivel Group{5060}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Service Letter-NACD
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-Brazil
Specifications
Hydraulic Pump<BR> (8J1905 &amp; 1U4722)
235 EXCAVATOR HYDRAULIC SYSTEM
Hydraulic Pump<BR> (8J5615)
235 EXCAVATOR HYDRAULIC SYSTEM
Hydraulic Pump<BR> (8J1905)
235 FRONT SHOVEL HYDRAULIC SYSTEM
Hydraulic Pump<BR> (3G1686)
235 FRONT SHOVEL HYDRAULIC SYSTEM
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Service Letter-China
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-Asia
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Service Letter-APD
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Disassembly and Assembly
Pump Signal Pressure Control Valve
235 EXCAVATOR VEHICLE SYSTEMS
Pump Selector Valve
235 EXCAVATOR VEHICLE SYSTEMS
Pumps (Piston)
235 EXCAVATOR VEHICLE SYSTEMS
Pumps (Piston)
235 EXCAVATOR VEHICLE SYSTEMS
Pump (Swing And Pilot)
235 EXCAVATOR VEHICLE SYSTEMS
Swivel Group
235 EXCAVATOR VEHICLE SYSTEMS
Swivel
235 FRONT SHOVEL VEHICLE SYSTEMS
Service Magazine
New Hydraulic Pump Pressure Plates are Now Available for Certain Excavators and Wheeled Excavators {5073}
New Hydraulic Pump Pressure Plates are Now Available for Certain Excavators and Wheeled Excavators {5073}

Caterpillar Parts SIS Catalog 235 :

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