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8D7900 PUMP LINES GROUP--Part 1 of 3 Serial No. 61M1605, 1688, 1896, 2054 to 2068 and 2074-Up 12G MOTOR GRADER


HYDRAULIC SYSTEM
LINES GP-PUMP
VALVE GP-COMBINATION
VALVE GP-UNLOADING
VALVE GP-COMBINATION
VALVE GP-RELIEF
PUMP GP

MOTOR GRADER 12G MOTOR GRADER 61M
 12G MOTOR GRADER 61M00001-02628 (MACHINE) UEG0772S 12G 61M   (1973)

HYDRAULIC SYSTEM

LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
 

#UEG0772S0300
 

8D-7900: LINES GP-PUMP

8D7900 PUMP LINES GROUP--Part 1 of 3
Serial No. 61M1605, 1688, 1896, 2054 to 2068 and 2074-Up
c207389 UEG0772S
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
 

#UEG0772S0301
 

8D-7900: LINES GP-PUMP

8D7900 PUMP LINES GROUP--Part 2 of 3
Serial No. 61M1605, 1688, 1896, 2054 to 2068 and 2074-Up
8J7239 Valve parts are shown on Pages 163 and 163B
c205677 UEG0772S
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. 6K-3607 [2] CONNECTOR  
  2M-9780 [2] SEAL  
2. 4S-1962 [9] CLIP  
3. 9D-5872 C [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0179 H HOSE 434 cm(170.9 in.)  
  8S-4055 [1] COUPLING ASSEM. (straight)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
4. 8M-0505 [2] CONNECTOR  
  3K-0360 [2] SEAL  
5. 4S-6797 [1] CONNECTOR  
  2S-4078 [1] SEAL  
6. 9D-5993 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0181 H HOSE 37 cm(14.57 in.)  
  8S-3918 [1] COUPLING ASSEM. (straight)  
  1P-9589 [1] COUPLING ASSEM. (90 degrees)  
  3S-7252 [2] SLEEVE  
7. 9D-5994 [1] HOSE ASSEM.  
    (Includes)
  5P-0181 H HOSE 62.8 cm(24.72 in.)  
8. 3S-7252 [2] SLEEVE  
9. 8K-5114 [1] COUPLING ASSEM. (90 degrees)  
10. 7S-0574 [1] STEM ASSEM. (60 degrees)  
11. 030-7945 [1] ELBOW  
12. 7M-8485 [2] SEAL  
13. 030-7935 [1] CONNECTOR  
14. 0T-0319 [3] BOLT  
  2H-3920 [3] LOCKWASHER  
  8D-7185 [3] WASHER  
  8D-0983 [3] MOUNTING  
15. 9D-6361 [1] PLATE ASSEM.  
16. 8J-7239 Y [1] VALVE GROUP  
    (Separate Illustration)
17. 9D-9284 [1] PIN (large)  
  4J-5325 [1] PIN (small)  
  3B-4607 [1] COTTER PIN  
18. 9D-5990 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0179 H HOSE 391 cm(153.93 in.)  
  8S-4055 [1] COUPLING ASSEM. (straight)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
19. 0T-0772 [4] BOLT  
  4D-6433 [4] WASHER  
20. 1P-4578 [2] FLANGE  
21. 4J-0522 [1] SEAL  
22. 0T-0102 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE CENTIMETRE
 

#UEG0772S0302
 

8D-7900: LINES GP-PUMP

8D7900 PUMP LINES GROUP--Part 3 of 3
Serial No. 61M1605, 1688, 1896, 2054 to 2068 and 2074-Up
8J2011 Valve parts are shown on Page 159
c209641 UEG0772S
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. 8J-2011 Y [1] VALVE GROUP  
    (Separate Illustration)
  3B-1915 [3] BOLT  
  0L-1319 [6] WASHER  
  1P-7115 [3] GROMMET ASSEM.  
2. 3B-4506 [5] LOCKWASHER  
3. 0T-0573 [2] BOLT  
4. 030-7942 [1] ELBOW  
5. 3J-1907 [3] SEAL  
6. 2R-6276 [2] CONNECTOR  
7. 3D-2824 [5] SEAL  
8. 9D-5902 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0180 H HOSE 56 cm(22.04 in.)  
  8S-3759 [2] COUPLING ASSEM.  
  3S-7166 [2] SLEEVE  
9. 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)  
  [1] COUPLING ASSEM. (45 degrees)  
  4S-5414 [2] SLEEVE  
10. 030-8188 [2] CONNECTOR  
11. 9D-8557 C [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0180 H HOSE 55 cm(21.65 in.)  
  8S-3759 [1] COUPLING ASSEM. (straight)  
  3S-7166 [2] SLEEVE  
  9S-9726 [1] COUPLING ASSEM. (45 degrees)  
12. 9D-5904 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0178 H HOSE 92 cm(36.22 in.)  
  8S-6417 [1] COUPLING ASSEM. (straight)  
  8S-6392 [1] COUPLING ASSEM. (90 degrees)  
  4S-5414 [2] SLEEVE  
13. 7D-9984 [1] ELBOW  
14. 9D-6669 [1] BLOCK  
15. 9S-4185 [1] PLUG  
16. 9S-8008 [1] PLUG  
17. 0S-1585 [4] BOLT  
18. 1S-0994 [1] CLIP  
19. 8D-0087 [1] STEM  
20. 8D-6775 [1] TUBE ASSEM.  
21. 8D-8866 [1] TUBE ASSEM.  
22. 0S-1587 [4] BOLT  
23. 5P-5061 C [1] FLANGE  
  5H-8848 [1] SEAL  
24. 030-7935 [1] CONNECTOR  
  7M-8485 [1] SEAL  
25. 5P-1293 H HOSE 17.78 cm(7 in.)  
26. 005-4362 [1] ELBOW  
27. 5P-0597 [2] CLAMP  
28. 9D-5988 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0178 H HOSE 29 cm(11.41 in.)  
  8S-6417 [2] COUPLING ASSEM.  
  4S-5414 [2] SLEEVE  
29. 030-7944 [1] ELBOW  
30. 9D-0884 [1] CONNECTOR  
31. 030-7936 [1] CONNECTOR  
32. 2R-6806 [1] CONNECTOR  
33. 5P-5059 C [1] FLANGE  
  8F-6711 [1] SEAL  
34. 3K-0360 C [5] SEAL  
35. 030-7962 [1] ELBOW  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE DECIMETRE
 

#UEG0772S0303
 

8J-7239: VALVE GP-COMBINATION

8J7239 COMBINATION VALVE GROUP
Part of 8D7900 Pump Lines Group shown on Pages 161 and 161E
8J7238 Valve parts are shown on Page 164
c200537 UEG0772S
8J7239 VALVE GP-COMBINATION 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-4185 [2] PLUG  
2. 3K-0360 [2] SEAL  
3. 9S-8008 [1] PLUG  
  3D-2824 [1] SEAL  
4. 4J-0519 [2] SEAL  
5. 8F-4197 [1] BOLT  
6. 3B-4507 [3] LOCKWASHER  
7. 4F-5192 [2] BOLT  
8. 8J-7238 [1] VALVE GROUP  
9. 9J-1762 Y [1] VALVE GROUP  
    (Separate Illustration)
10. 6J-3134 [2] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0304
 

9J-1762: VALVE GP-UNLOADING

9J1762 UNLOADING VALVE GROUP
Part of 8J7239 Combination Valve Group shown on Page 163B
9J2012 Lever parts are shown on Page 146
c200250 UEG0772S
9J1762 VALVE GP-UNLOADING Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-2089 [1] WASHER  
2. 0S-1615 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
3. 9J-2012 Y [1] LEVER GROUP  
    (Separate Illustration)
4. 3D-2824 [1] SEAL  
5. 9S-8008 [1] PLUG  
6. 9J-1761 [1] VALVE GROUP  
7. 2J-0075 [1] SPRING  
8. 8J-6114 [2] RETAINER  
9. 9S-8009 [1] PLUG  
10. 4K-1388 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0305
 

8J-7239: VALVE GP-COMBINATION

8J7239 COMBINATION VALVE GROUP--Type 2
Part of 8D7900 Pump Lines Group shown on Pages 161 and 162E
9J1762 and 9J4818 Valve parts are shown on Pages 163 and 164A
c155192 UEG0772S
8J7239 VALVE GP-COMBINATION 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-4185 [2] PLUG  
2. 3K-0360 [2] SEAL  
3. 9S-8008 [1] PLUG  
  3D-2824 [1] SEAL  
4. 4J-0519 [2] SEAL  
5. 5P-3628 C [3] BOLT  
6. 9J-4818 YC [1] VALVE GROUP  
    (Separate Illustration)
7. 9J-1762 Y [1] VALVE GROUP  
    (Separate Illustration)
8. 6J-3134 [2] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0306
 

8J-7238: RELIEF PILOT OPERATED VALVE GROUP

8J7238 RELIEF PILOT OPERATED VALVE GROUP--Replaced by 9J4818 shown on Page 164A
Part of 8J7239 Combination Valve Group shown on Page 163
c200538 UEG0772S
8J7238 RELIEF PILOT OPERATED 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. 9S-4181 [1] PLUG  
  7M-8485 [1] SEAL  
2. 1H-0337 [1] VALVE  
3. 9F-6705 [1] SPRING  
4. 8J-8753 [1] RETAINER  
5. 6K-3607 [1] CONNECTOR  
  2M-9780 [1] SEAL  
6. 9S-4182 [1] PLUG  
  3J-7354 [1] SEAL  
7. 4L-1468 [4] WASHER (.06 in. thick)  
  8J-6709 [5] SHIM (.010 in. thick)  
8. 8J-6710 [1] STOP  
9. 4M-5915 [1] SPRING  
10. 2B-2254 [1] SPRING  
11. 9S-8008 [3] PLUG  
  3D-2824 [3] SEAL  
12. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
13. 8J-1834 [1] VALVE GROUP  
14. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
15. 8J-6707 [1] RETAINER  
16. 3J-7473 [3] SHIM (.005 in. thick)  
  3J-7470 [7] SHIM (.048 in. thick)  
17. 2J-6089 [1] SPRING  
18. 8J-6752 [1] VALVE GROUP  
19. 8J-0331 [1] VALVE  
20. 9S-8005 [2] PLUG  
  3K-0360 [2] SEAL  
21. 4J-8996 [1] SEAL  
22. 8J-6708 [1] SPACER  
23. 8J-6714 [1] SPACER  
 

#UEG0772S0307
 

9J-4818: VALVE GP-RELIEF

9J4818 RELIEF VALVE GROUP
Part of 8J7239 Combination Valve Group shown on Page 163B
c155193 UEG0772S
9J4818 VALVE GP-RELIEF 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-4181 [1] PLUG  
  7M-8485 [1] SEAL  
2. 1H-0337 [1] VALVE  
3. 9F-6705 [1] SPRING  
4. 8J-8753 [1] RETAINER  
5. 030-8194 [1] CONNECTOR  
  2M-9780 [1] SEAL  
6. 9S-4182 [1] PLUG  
  3J-7354 [1] SEAL  
7. 4J-1468 [2] WASHER -.06 in.(1.52 mm)thick  
  8J-6709 [5] SHIM .010 in.(.026 mm) thick  
8. 8J-6710 [1] STOP  
9. 8J-6703 [1] SPRING  
10. 8J-6707 [1] RETAINER  
11. 9S-8008 [3] PLUG  
  3D-2824 [3] SEAL  
12. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
13. 9J-6458 [1] VALVE GROUP  
    (Includes)
14. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
15. 9S-8004 [1] PLUG  
  3J-1907 [1] SEAL  
16. 3J-7473 [7] SHIM .005 in.(0.13 mm) thick  
  3J-7470 [3] SHIM .048 in.(1.22 mm) thick  
17. 2J-6089 [1] SPRING  
18. 8J-6752 [1] VALVE GROUP  
19. 8J-0331 [1] VALVE  
20. 9S-8005 [2] PLUG  
  3K-0360 [2] SEAL  
21. 4J-8996 [1] SEAL  
22. 8J-6708 [1] SPACER  
23. 8J-6714 [1] SPACER  
 

#UEG0772S0308
 

8D-7390: PUMP AND MOUNTING GROUP

8D7390 PUMP AND MOUNTING GROUP
8J6155 Pump parts are shown on Page 166
c209643 UEG0772S
8D7390 PUMP AND MOUNTING 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-6155 YC [1] PUMP GROUP  
    (Separate Illustration)
2. 1A-1135 [2] BOLT  
  3B-4510 [2] LOCKWASHER  
  4B-4281 [2] WASHER  
3. 2G-1769 C [3] MOUNTING  
4. 0S-1569 [3] BOLT  
  3K-2889 [3] NUT  
5. 8D-9057 C [1] PLATE  
6. 030-2179 [1] WASHER  
7. 7D-0734 [2] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0309
 

8J-6155: PUMP GP-PISTON & GEAR

8J6155 SLIPPER AND GEAR PISTON PUMP GROUP
Part of 8D7390 Pump and Mounting Group shown on Page 165
8J498 Pump parts are shown on Page 168
c207406 UEG0772S
8J6155 PUMP GP-PISTON & GEAR 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-0498 Y [1] PUMP GROUP  
    (Separate Illustration)
2. 8J-5834 [1] COUPLING  
3. 6D-1004 [1] GASKET  
4. 8J-5846 [1] PUMP GROUP  
    (Includes)
  2S-5818 [2] BOLT- (12 point head)  
5. 1D-4539 [4] BOLT  
6. 1D-4541 [2] BOLT  
7. 5P-2546 C [2] BOLT  
  3B-4507 [2] LOCKWASHER  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
    (Includes such parts as Diaphgram Ball, Seals, Spring and Gasket)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Technical Information Bulletin
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
Specifications
Priority Valve
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Caterpillar Parts SIS Catalog 12G :

LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
VALVE GP-DIRECT RELIEF
8J-2011 VALVE GP-DIRECT RELIEF
UNIVERSAL JOINT GROUP
7D-9268 UNIVERSAL JOINT GROUP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
LINES GP-PUMP
8D-7900 LINES GP-PUMP
VALVE GP-COMBINATION
8J-7239 VALVE GP-COMBINATION
VALVE GP-UNLOADING
9J-1762 VALVE GP-UNLOADING
VALVE GP-COMBINATION
8J-7239 VALVE GP-COMBINATION
RELIEF PILOT OPERATED VALVE GROUP
8J-7238 RELIEF PILOT OPERATED VALVE GROUP
VALVE GP-RELIEF
9J-4818 VALVE GP-RELIEF
PUMP AND MOUNTING GROUP
8D-7390 PUMP AND MOUNTING GROUP

Truck sale:

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


Caterpillar 12G, Construction
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- motor graders
ALTORFER INC.
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
86.058 
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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
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