AVSPARE.COM
parts catalog
  1. Home
  2. Caterpillar catalog

8J498 SLIPPER PUMP GROUP--Part 1 of 2--Type 4 Part of 8J6155 Implement Pump shown on Page 263. 8J6312 Head parts are shown on Page 268 12G


HYDRAULIC SYSTEM
PUMP GP
VALVE GP
PUMP GP
LINES GP-PUMP

MOTOR GRADER 12G MOTOR GRADER 61M
 12G MOTOR GRADER 61M02629-07710 (MACHINE) POWERED BY 3306 ENGINE SEBP1076 12G 61M   (1973)

HYDRAULIC SYSTEM

PUMP GP
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
HEAD GP-PUMP CONTROL
8J-6312 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
8J-6312 HEAD GP-PUMP CONTROL
 

#SEBP10760680
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 1 of 2--Type 4
Part of 8J6155 Implement Pump shown on Page 263. 8J6312 Head parts are shown on Page 268
c228011 SEBP1076
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6312 Y [1] HEAD GROUP  
    (Separate Illustration)
2. 2H-1190 [3] DOWEL  
3. 9F-2083 [2] DOWEL  
4. 008-3214 [2] RING  
5. 2P-9703 [1] PLATE (warning)  
  4B-4158 [4] SCREW  
6. 031-0216 [4] BOLT  
  5P-0537 [4] WASHER  
7. 3G-3156 [2] BEARING  
  8J-6283 [6] SHIM .051 mm (.002 in.) thick  
  8J-6284 [6] SHIM .127 mm (.005 in.) thick  
8. 1B-3953 [3] CONE  
9. 8J-6322 [3] CUP  
10. 1A-5183 [2] BOLT  
11. 8J-6296 [1] SHAFT  
  8J-6315 [1] CONE  
12. 9J-0728 [1] BODY  
13. 9J-7138 [1] SWASHPLATE  
14. 9J-7858 [1] PLATE  
15. 8J-6298 [1] SPRING  
16. 8J-6300 C [2] SPACER  
17. 1B-8737 [1] KEY  
18. 0S-1608 [2] BOLT  
19. 3B-4506 [10] LOCKWASHER  
20. 0S-1619 [4] BOLT  
21. 7F-3425 [2] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10760681
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 2 of 2--Type 4
Part of 8J6155 Implement Pump shown on Page 263
c228013 SEBP1076
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6347 H [1] GASKET  
2. 8J-6321 [2] STOP  
3. 9S-8005 [2] PLUG  
  3K-0360 H [2] SEAL  
4. 6F-4855 H [2] SEAL  
5. 1D-5120 [2] NUT  
6. 3G-6441 [1] BOLT  
7. 9J-7758 [1] BOLT  
8. 1H-5728 H [2] SEAL  
9. 0L-1351 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
10. 1U-0406 C [1] PLATE  
11. 8J-6229 [2] COVER  
12. 8J-6302 [12] SHIM .127 mm (.005 in.) thick  
  8J-6301 [3] SHIM .051 mm (.002 in.) thick  
13. 9J-8660 R [1] BARREL ASSEM.  
14. 8J-2022 R [9] PISTON ASSEM.  
15. 9J-5758 R [1] PLATE  
16. 1D-5120 [1] NUT  
17. 9J-7814 H [1] SEAL  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  3G-1708 [1] KIT (seal)  
    (Includes parts marked H)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP10760682
 

8J-6312: HEAD GP-PUMP CONTROL

8J6312 PUMP CONTROL HEAD GROUP--Type 1
Part of 8J498 Slipper Pump Group shown on Pages 264, 266 and 267A
8J6103 and 8J6316 Valve parts are shown on Page 269
c158878 SEBP1076
8J6312 HEAD GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0415 [1] HEAD  
2. 9S-8002 [5] PLUG  
  3J-7354 [5] SEAL  
3. 2D-0598 [2] SEAL  
4. 8J-6066 [1] COVER  
5. 1B-2790 [2] BOLT  
6. 3B-4505 [3] LOCKWASHER  
7. 8J-0476 [1] COVER  
8. 8J-6230 C [1] SPACER  
9. 2K-8198 [1] SEAL  
10. 4J-2506 [1] SEAL  
11. 9S-8001 [3] PLUG  
  4J-7533 [3] SEAL  
12. 8J-6023 [1] STEM  
13. 8J-0475 [1] HOUSING  
14. 1D-4541 [1] BOLT  
15. 8J-6325 [1] SPRING  
16. 4D-9986 [1] SEAL  
17. 8J-6231 [4] RETAINER  
18. 8J-1541 [1] COVER  
  8H-3127 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
19. 8J-5593 [1] PISTON  
20. 4M-8303 [1] SEAL  
21. 8J-6103 Y [1] VALVE GROUP  
    (Separate Illustration)
22. 8J-6314 [1] CUP  
23. 8J-8725 [7] SEAL  
24. 8J-5472 [7] RING  
25. 8J-6316 Y [1] VALVE GROUP  
    (Separate Illustration)
26. 8J-2028 [1] SPACER  
27. 8J-6305 [1] SPRING  
28. 8J-6306 [1] SPRING  
29. 8J-6303 [1] SEAT  
30. 8J-5842 [1] PISTON  
31. 8J-8462 [2] SHIM  
32. 6F-8205 [3] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10760683
 

8J-6312: HEAD GP-PUMP CONTROL

8J6312 PUMP CONTROL HEAD GROUP--Type 2
Part of 8J498 Slipper Pump Group shown on Pages 264, 266 and 267A
3G3921 and 8J6103 Valve parts are shown on Pages 268C and 269
c171387 SEBP1076
8J6312 HEAD GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0415 [1] HEAD  
2. 9S-8002 [5] PLUG  
  3J-7354 [5] SEAL  
3. 2D-0598 [2] SEAL  
4. 8J-6066 [1] COVER  
5. 1B-2790 [2] BOLT  
6. 3B-4505 [3] LOCKWASHER  
7. 8J-0476 [1] COVER  
8. 8J-6230 C [1] SPACER  
9. 2K-8198 [1] SEAL  
10. 4J-2506 [1] SEAL  
11. 9S-8001 [3] PLUG  
  4J-7533 [3] SEAL  
12. 8J-6023 [1] STEM  
13. 8J-0475 [1] HOUSING  
14. 1D-4541 [1] BOLT  
15. 8J-6325 [1] SPRING  
16. 4D-9986 [1] SEAL  
17. 8J-6231 [4] RETAINER  
18. 8J-1541 [1] COVER  
  8H-3127 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
19. 8J-5593 [1] PISTON  
20. 4M-8303 [1] SEAL  
21. 8J-6103 Y [1] VALVE GROUP  
    (Separate Illustration)
22. 8J-6314 [1] CUP  
23. 8J-8725 [7] SEAL  
24. 8J-5472 [7] RING  
25. 3G-3921 YC [1] VALVE GROUP  
    (Separate Illustration)
26. 8J-2028 [1] SPACER  
27. 8J-6305 [1] SPRING  
28. 8J-6306 [1] SPRING  
29. 8J-6303 [1] SEAT  
30. 8J-5842 [1] PISTON  
31. 8J-8462 [2] SHIM  
32. 6F-8205 [3] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10760684
 

8J-6312: HEAD GP-PUMP CONTROL

8J6312 PUMP CONTROL HEAD GROUP--Type 3
Part of 8J498 Slipper Pump Group shown on Pages 264, 266 and 267A
3G3921 and 8J6103 Valve parts are shown on Pages 268C and 269
c221889 SEBP1076
8J6312 HEAD GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0415 [1] HEAD  
2. 9S-8002 [5] PLUG  
  3J-7354 [5] SEAL  
3. 2D-0598 [2] SEAL  
4. 8J-6066 [1] COVER  
5. 1B-2790 [2] BOLT  
6. 3B-4505 [3] LOCKWASHER  
7. 8J-0476 [1] COVER  
8. 8J-6230 [1] SPACER  
9. 2K-8198 [1] SEAL  
10. 4J-2506 [1] SEAL  
11. 9S-8001 [3] PLUG  
  4J-7533 [3] SEAL  
12. 8J-8462 [2] SHIM  
13. 3G-1256 C [1] HOUSING  
14. 1D-4541 [1] BOLT  
15. 3G-1682 C [1] SPRING  
16. 3D-2824 C [1] SEAL  
17. 3G-4457 C [1] SPACER  
  3G-1681 C [1] RETAINER  
18. 3G-1278 C [1] PLUG  
19. 3G-1683 C [1] PISTON  
20. 4J-5268 C [1] SEAL  
21. 6J-3134 C [1] SEAL  
22. 8J-6314 [1] CUP  
23. 8J-8725 [7] SEAL  
24. 8J-5472 [7] RING  
25. 3G-3921 Y [1] VALVE GROUP  
    (Separate Illustration)
26. 8J-2028 [1] SPACER  
27. 8J-6305 [1] SPRING  
28. 8J-6306 [1] SPRING  
29. 8J-6303 [1] SEAT  
30. 8J-5842 [1] PISTON  
31. 8J-6103 Y [1] VALVE GROUP  
    (Separate Illustration)
32. 6F-8205 [3] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10760685
 

3G-3921: VALVE GP-SERVO

3G3921 SERVO VALVE GROUP
Part of 8J6312 Pump Control Head Group shown on Pages 268A an 268B
c228012 SEBP1076
3G3921 VALVE GP-SERVO Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-4574 [1] PISTON  
2. 8J-2032 [1] PISTON  
3. 2L-6726 [1] RING  
4. 8J-2040 [1] INSERT  
5. 8S-3159 C [1] SETSCREW  
6. 8J-8345 [1] CARTRIDGE  
7. 3G-3919 [1] SLEEVE  
8. 3G-3917 [1] STOP  
9. 3G-3916 [1] RING  
10. 8J-2027 [1] SPACER  
11. 3D-8317 [1] RING  
12. 3G-3909 [1] SPOOL  
  C   INDICATES CHANGE
 

#SEBP10760686
 

3G-3929: VALVE GP

3G3929 FOLLOWER VALVE GROUP
Provides Field Replacement for 3G3909 Spool and 3G3919 Sleeve shown on Page
268C
c217077 SEBP1076
3G3929 VALVE GP Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-8317 [1] RING-RETAINING  
2. 8J-2027 [1] SPACER  
3. 3G-3917 [1] STOP  
4. 3G-3909 [1] SPOOL  
5. 3G-3919 [1] SLEEVE-FOLLOW UP  
6. 3G-3916 [1] RING-RETAINING  
 

#SEBP10760687
 

8J-6103: VALVE GP

8J6103 PRESSURE REDUCING VALVE GROUP
Part of 8J6312 Pump Control Head Group shown on Page 268
c200162 SEBP1076
8J6103 VALVE GP Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8006 [1] PLUG  
2. 2M-9780 [1] SEAL  
3. 9S-4982 [1] SPRING  
4. 8J-6076 [1] PISTON  
5. 8J-2030 [1] PISTON  
6. 8J-6075 [1] CARTRIDGE  
7. 8J-6100 [1] PISTON  
 

#SEBP10760688
 

8J-6316: SERVO VALVE GROUP

8J6316 SERVO VALVE GROUP
Part of 8J6312 Pump Control Head Group shown on Page 268
c154252 SEBP1076
8J6316 SERVO VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-4574 [1] PISTON  
2. 8J-2032 [1] PISTON  
3. 2L-6726 [1] RING  
4. 8J-2040 [1] INSERT  
5. 5B-9324 [1] SETSCREW  
6. 8J-8345 [1] CARTRIDGE  
7. 8J-8374 C [1] VALVE GROUP  
    (Includes)
8. 8J-2034 [1] STOP  
9. 3H-1118 [1] PIN  
10. 8J-2027 [1] SPACER  
11. 3D-8317 [1] RING  
  C   INDICATES CHANGE
 

#SEBP10760689
 

8D-7900: LINES GP-PUMP

8D7900 PUMP LINES GROUP--Part 1 of 3
Serial No. 61M2629 to 61M5855 inclusive
c207389 SEBP1076
8D7900 LINES GP-PUMP Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-4975 [2] HOSE 5 IN EACH  
2. 5P-2230 [4] CLAMP  
3. 8D-6774 [1] TUBE ASSEM.  
4. 030-7935 [1] CONNECTOR  
  7M-8485 [1] SEAL  
5. 0S-1594 [3] BOLT  
  4B-4278 [3] WASHER  
6. 3B-4506 [6] LOCKWASHER  
7. 8D-6811 [1] PLATE  
8. 3B-1915 [3] BOLT  
  0L-1319 [3] WASHER  
  1P-7115 [3] GROMMET ASSEM.  
9. 005-4362 [1] ELBOW  
10. 3K-0360 [4] SEAL  
11. 2R-6276 [2] CONNECTOR  
12. 3D-2824 [6] SEAL  
13. 8M-0505 [1] CONNECTOR  
14. 030-7950 C [1] ELBOW  
15. 8D-0407 [2] TUBE ASSEM.  
16. 030-7943 [2] ELBOW  
17. 9D-0884 [1] CONNECTOR  
18. 030-7936 [1] CONNECTOR  
19. 3J-1907 [2] SEAL  
20. 030-7944 C [2] ELBOW  
21. 2R-6806 [1] CONNECTOR  
22. 9D-5903 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0178 H HOSE 71 cm(27.95 in.)  
  8S-6417 [1] COUPLING ASSEM. (straight)  
  8S-6392 [1] COUPLING ASSEM. (90 degrees)  
  4S-5414 [2] SLEEVE  
23. 6K-3607 [1] CONNECTOR  
24. 9D-5992 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0178 H HOSE 55 cm(21.65 in.)  
  8S-6417 [1] COUPLING ASSEM. (straight)  
  4S-5414 [2] SLEEVE  
  1P-9919 [1] COUPLING ASSEM. (45 degrees)  
25. 9D-5899 C [2] HOSE ASSEM. (not serv)  
    For service of each furnish:
  5P-0180 H HOSE 82 cm(32.28 in.)  
  8S-3759 [2] COUPLING ASSEM.  
  3S-7166 [2] SLEEVE  
26. 9D-5972 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0178 H HOSE 67 cm(26.38 in.)  
  8S-6417 [2] COUPLING ASSEM.  
  4S-5414 [2] SLEEVE  
27. 9D-6274 C [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0179 H HOSE 34 cm(13.40 in.)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
28. 8D-9918 [1] PLATE ASSEM.  
    (Includes)
29. 9F-2978 [2] NUT  
30. 9D-5911 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0179 H HOSE 61 cm(24.01 in.)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
31. 2M-9780 [1] SEAL  
32. 061-9258 [1] TEE  
  030-3978 [1] CONNECTOR  
  3J-7354 [1] SEAL  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETRE
 

Information:

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 Magazine
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 12G :

8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-PISTON & GEAR
8J-6155 PUMP GP-PISTON & GEAR
IMPLEMENT PUMP AND MOUNTING GROUP
8D-7390 IMPLEMENT PUMP AND MOUNTING GROUP
8J-0498 PUMP GP-SLIPPER
HEAD GP-PUMP CONTROL
8J-6312 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
8J-6312 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
8J-6312 HEAD GP-PUMP CONTROL
VALVE GP-SERVO
3G-3921 VALVE GP-SERVO
VALVE GP
3G-3929 VALVE GP
VALVE GP
8J-6103 VALVE GP
SERVO VALVE GROUP
8J-6316 SERVO VALVE GROUP

Truck sale:

Caterpillar 12G
 
Caterpillar 12G
- motor graders
MILTON CAT
 
45.000 
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung


Caterpillar 12G, Construction
52,000 
Caterpillar 12G, Construction
- motor graders
ALTORFER INC.
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
86.058 
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
- motor graders
SIME DARBY INDUSTRIAL SDN BHD
Malaysia
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
75.600 
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
- motor graders
HOLT CAT
Back to top
Contacts Request list Affiliate disclosure
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.