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8J8412 PUMP CONTROL HEAD GROUP--Type 2 Part of 8J6855 Slipper Pump Group shown on Pages 224 and 226 9J4986 and 8J8373 Valve parts are shown on Pages 230 and 231 14G


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

MOTOR GRADER 14G MOTOR GRADER 96U
 14G MOTOR GRADER 96U01098-04297 (MACHINE) POWERED BY 3306 ENGINE SEBP1077 14G 96U   (1973)

HYDRAULIC SYSTEM

PUMP GP
8J-6855 PUMP GP-PISTON
HEAD GP-PUMP
8J-8412 HEAD GP-PUMP
HEAD GP-PUMP
8J-8412 HEAD GP-PUMP
HEAD GP-PUMP
8J-8412 HEAD GP-PUMP
VALVE GP-SERVO
3G-3922 VALVE GP-SERVO
PRESSURE REDUCING VALVE GROUP
8J-6074 PRESSURE REDUCING VALVE GROUP
 

#SEBP10770690
 

8J-8412: HEAD GP-PUMP

8J8412 PUMP CONTROL HEAD GROUP--Type 2
Part of 8J6855 Slipper Pump Group shown on Pages 224 and 226
9J4986 and 8J8373 Valve parts are shown on Pages 230 and 231
c215998 SEBP1077
8J8412 HEAD GP-PUMP Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-5472 [7] RING  
  8J-8725 [7] SEAL  
2. 9J-4986 C [1] VALVE GROUP  
3. 8J-8373 Y [1] VALVE GROUP  
    (Separate Illustration)
4. 9J-7732 C [1] HEAD  
5. 8J-2028 [1] SPACER  
6. 8J-5838 [1] SPRING (outer)  
7. 8J-5839 [1] SPRING (inner)  
8. 8J-5841 [1] SEAT  
9. 8J-5842 [1] PISTON  
10. 8J-5837 [1] SPACER  
11. 8J-5835 [5] SPACER (use as required)  
12. 9S-8002 [6] PLUG  
  3J-7354 [6] SEAL  
13. 8J-5535 [1] COVER  
14. 8J-5836 [1] GASKET  
15. 8J-5476 [1] SEAL  
16. 8J-0422 [1] CUP  
17. 2D-0598 [2] SEAL  
18. 0S-1588 C [1] BOLT  
19. 3B-4506 [2] LOCKWASHER  
20. 5B-5821 [2] DOWEL  
21. 9J-4776 [1] COVER  
22. 5H-6005 [1] SEAL  
23. 1B-2790 [4] BOLT  
  3B-4505 [4] LOCKWASHER  
24. 8J-8343 [2] SEAL  
25. 9S-8001 C [2] PLUG  
  4J-7533 C [2] SEAL  
26. 8J-8413 [1] PLUG  
  3D-2824 [1] SEAL  
27. 2A-1695 [1] SPRING  
28. 6F-4718 [1] SEAL  
29. 8J-6231 [4] RETAINER  
30. 8J-8462 [4] SHIM (use as required)  
31. 7F-1866 [1] BOLT  
32. 8J-8461 [1] STEM  
33. 8J-5593 [1] PISTON  
34. 8J-8619 C [2] SHIM (use as required)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10770691
 

8J-8412: HEAD GP-PUMP

8J8412 PUMP CONTROL HEAD GROUP--Type 3
Part of 8J6855 Slipper Pump Group shown on Pages 224, 226 & 227A
3G3922 and 9J4986 Valve parts are shown on Pages 229B & 230
c171380 SEBP1077
8J8412 HEAD GP-PUMP Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-5472 [7] RING  
  8J-8725 [7] SEAL  
2. 9J-4986 [1] VALVE GROUP  
3. 3G-3922 CY [1] VALVE GROUP  
    (Separate Illustration)
4. 9J-7732 [1] HEAD  
5. 8J-2028 [1] SPACER  
6. 8J-5838 [1] SPRING (outer)  
7. 8J-5839 [1] SPRING (inner)  
8. 8J-5841 [1] SEAT  
9. 8J-5842 [1] PISTON  
10. 8J-5835 [1] SPACER  
11. 8J-5835 B [5] SPACER  
    (use as required)
12. 9S-8002 [6] PLUG  
  3J-7354 [6] SEAL  
13. 8J-5535 [1] COVER  
14. 8J-5836 [1] GASKET  
15. 8J-5476 [1] SEAL  
16. 8J-0422 [1] CUP  
17. 2D-0598 [2] SEAL  
18. 0S-1588 [1] BOLT  
19. 3B-4506 [2] LOCKWASHER  
20. 5B-5821 [2] DOWEL  
21. 9J-4776 [1] COVER  
22. 5H-6005 [1] SEAL  
23. 1B-2790 [4] BOLT  
  3B-4505 [4] LOCKWASHER  
24. 8J-8343 [2] SEAL  
25. 9S-8001 [2] PLUG  
  4J-7533 [2] SEAL  
26. 8J-8413 [1] PLUG  
  3D-2824 [1] SEAL  
27. 2A-1695 [1] SPRING  
28. 6F-4718 [1] SEAL  
29. 8J-6231 [4] RETAINER  
30. 8J-8462 B [4] SHIM  
    (use as required)
31. 7F-1866 [1] BOLT  
32. 8J-8461 [1] STEM  
33. 8J-5593 [1] PISTON  
34. 8J-8619 B [2] SHIM  
    (use as required)
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP10770692
 

3G-3922: VALVE GP-SERVO

3G3922 SERVO VALVE GROUP
Part of 8J8412 Pump Control Head Group shown on Page 229A
3G3919 Sleeve and 3G3909 Spool are replaced by 3G3929 Follower Valve Group
c217076 SEBP1077
3G3922 VALVE GP-SERVO Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-4999 [1] PISTON ASSEM.  
2. 8J-2032 [1] PISTON  
3. 2L-6726 [1] RING  
4. 8J-2040 [1] INSERT  
5. 3G-3917 [1] STOP  
6. 8J-8345 [1] CARTRIDGE  
7. 5B-9324 [1] SETSCREW  
8. 3G-3909 [1] SPOOL  
9. 3G-3919 [1] SLEEVE  
10. 3G-3916 [1] RING  
11. 8J-2027 [1] SPACER  
12. 3D-8317 [1] RING  
  C   INDICATES CHANGE
 

#SEBP10770693
 

3G-3929: VALVE GP

3G3929 FOLLOWER VALVE GROUP
Provides Field Replacement for 3G3919 Sleeve and 3G3909 Spool
c217077 SEBP1077
3G3929 VALVE GP Parts scheme
  For full view, you need register

Parts for your 14G 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  
 

#SEBP10770694
 

8J-6074: PRESSURE REDUCING VALVE GROUP

8J6074 PRESSURE REDUCING VALVE GROUP
Part of 8J8412 Pump Control Head Group shown on Page 228
c119500 SEBP1077
8J6074 PRESSURE REDUCING VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] PLUG  
2. [1] SEAL  
3. [1] SPRING  
 

#SEBP10770695
 

9J-4986: VALVE GP-PRESSURE REDUCING

9J4986 PRESSURE REDUCING VALVE GROUP
Part of 8J8412 Pump Control Head Group shown on Page 229
c182987 SEBP1077
9J4986 VALVE GP-PRESSURE REDUCING Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8006 [1] PLUG-O-RING  
2. 2M-9780 [1] SEAL-O-RING  
3. 9S-4982 [1] SPRING  
4. 8J-6076 [1] PISTON  
5. 8J-2030 [1] PISTON  
6. 8J-6075 [1] CARTRIDGE-REDUCING  
7. 9J-4985 [1] PISTON AS  
 

#SEBP10770696
 

8J-8373: VALVE GP-SERVO

8J8373 SERVO VALVE GROUP
Part of 8J8412 Pump Control Head Group shown on Pages 228 and 229
c210073 SEBP1077
8J8373 VALVE GP-SERVO Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-4999 C [1] PISTON ASSEM.  
2. 8J-2032 [1] PISTON  
3. 2L-6726 [1] RING  
4. 8J-2040 [1] INSERT  
5. 5B-9324 [1] SETSCREW  
6. 8J-8374 [1] VALVE GROUP  
7. 8J-2034 [1] STOP  
8. 3H-1118 [1] PIN  
9. 8J-2027 [1] SPACER  
10. 3D-8317 [1] RING  
  C   INDICATES CHANGE
 

#SEBP10770697
 

8J-2011: VALVE GP-DIRECT RELIEF

8J2011 DIRECT OPERATED COOLER RELIEF VALVE GROUP
Part of 8D7650 Hydraulic Pump Lines Group shown on Pages 234 and 237
c202451 SEBP1077
8J2011 VALVE GP-DIRECT RELIEF Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8008 [1] PLUG  
2. 3D-2824 [1] SEAL  
3. 7J-0271 C [1] SPRING  
4. 7J-0272 [1] VALVE  
5. 8J-2013 [1] RETAINER  
6. 9S-4191 C [2] PLUG  
  3J-1907 [2] SEAL  
  C   INDICATES CHANGE
 

#SEBP10770698
 

8D-7650: LINES GP-HYDRAULIC PUMP

8D7650 HYDRAULIC PUMP LINES GROUP--Part 1 of 3
Serial No. 96U1098 to 96U1420, 96U1422 and 96U1423 inclusive
c167377 SEBP1077
8D7650 LINES GP-HYDRAULIC PUMP Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-4975 [2] HOSE  
2. 5P-2230 C [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 [3] SEAL  
11. 2R-6276 [1] CONNECTOR  
12. 3D-2824 [6] SEAL  
13. 9D-1607 [1] TUBE ASSEM.  
14. 9D-5898 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0180 H HOSE 72 cm(28.34 in.)  
  8S-3759 [2] COUPLING ASSEM.  
  3S-7166 [2] SLEEVE  
15. 9D-1681 [1] 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 [3] ELBOW  
21. 2R-6806 [1] CONNECTOR  
22. 9D-5903 C [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. 030-7950 [1] ELBOW  
24. 9D-5913 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0178 H HOSE 73 cm(28.74 in.)  
  8S-6417 [1] COUPLING ASSEM. (straight)  
  4S-5414 [2] SLEEVE  
  8S-6393 [1] COUPLING ASSEM. (90 degrees)  
25. 9D-5899 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0180 H HOSE 82 cm(32.28 in.)  
  8S-3759 [2] COUPLING ASSEM.  
  3S-7166 [2] SLEEVE  
26. 9D-5912 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0178 H HOSE 61 cm(24.01 in.)  
  8S-6417 [1] COUPLING ASSEM. (straight)  
  8S-6393 [1] COUPLING ASSEM. (90 degrees)  
  4S-5414 [2] SLEEVE  
27. 9D-5907 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0179 H HOSE 42 cm(16.53 in.)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
28. 8D-9918 [1] PLATE ASSEM.  
29. 9F-2978 [2] NUT  
30. 9D-6063 C [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0179 H HOSE 85 cm(33.46 in.)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETRE
 

#SEBP10770699
 

8D-7650: LINES GP-HYDRAULIC PUMP

8D7650 HYDRAULIC PUMP LINES GROUP--Part 2 of 3
Serial No. 96U1098 to 96U1420, 96U1422 and 96U1423 inclusive
9J3469 Valve parts are shown on Page 238
c155051 SEBP1077
8D7650 LINES GP-HYDRAULIC PUMP Parts scheme
  For full view, you need register

Parts for your 14G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6K-3607 [2] CONNECTOR  
2. 2M-9780 [3] SEAL  
3. 4S-1962 [12] CLIP  
4. 0L-1351 [7] BOLT  
5. 3B-4506 [7] LOCKWASHER  
6. 9D-6062 C [1] HOSE ASSEM. (not serv)  
    For service furnish:
  H HOSE 467 cm(184 in.)  
  8S-4055 [1] COUPLING ASSEM. (straight)  
  3S-8606 [2] SLEEVE  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
7. 9D-5908 [1] HOSE ASSEM. (not serv)  
    For service furnish:
  5P-0179 H HOSE 419 cm(164.96 in.)  
  8S-4055 [1] COUPLING ASSEM. (straight)  
  3S-8606 [2] SLEEVE  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
8. 8M-0505 [3] CONNECTOR  
  3K-0360 [3] SEAL  
9. 4S-6797 [1] CONNECTOR  
  2S-4078 [1] SEAL  
10. 9D-5914 [1] HOSE ASSEM.  
    For service furnish:
  5P-0181 H HOSE 45 cm(17.71 in.)  
  1P-9589 [1] COUPLING ASSEM. (90 degrees)  
  3S-7252 [2] SLEEVE  
  8S-3918 [1] COUPLING ASSEM. (straight)  
11. 9S-8008 C [1] PLUG  
12. 030-7935 [2] CONNECTOR  
13. 9D-5915 [1] HOSE ASSEM.  
    For service furnish:
  5P-0181 H HOSE 54 cm(21.25 in.)  
  8K-5114 [2] COUPLING ASSEM.  
  3S-7252 [2] SLEEVE  
14. 9D-9284 [1] PIN (large)  
15. 4J-5325 [1] PIN (small)  
16. 3B-4607 [1] COTTER PIN  
17. 030-7945 [1] ELBOW  
18. 7M-8485 C [3] SEAL  
19. 005-4173 [1] ELBOW  
20. 0T-0319 [3] BOLT  
  2H-3920 [3] LOCKWASHER  
  8D-7185 [3] WASHER  
  8D-0983 [3] MOUNTING  
21. 9D-6361 [1] PLATE ASSEM.  
22. 9J-3469 Y [1] VALVE GROUP  
    (Separate Illustration)
23. 3D-2824 C [1] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  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 14G :

HEAD GP-PUMP
8J-8412 HEAD GP-PUMP
8J-6855 PUMP GP-PISTON
PUMP GP-PISTON
8J-6855 PUMP GP-PISTON
8J-6855 PUMP GP-PISTON
PUMP GP-PISTON
8J-6855 PUMP GP-PISTON
8J-6855 PUMP GP-PISTON
PUMP GP-PISTON
8J-6855 PUMP GP-PISTON
PUMP GP-PISTON & GEAR
8J-6168 PUMP GP-PISTON & GEAR
HEAD GP-PUMP
8J-8412 HEAD GP-PUMP
VALVE GP-SERVO
3G-3922 VALVE GP-SERVO
VALVE GP
3G-3929 VALVE GP
PRESSURE REDUCING VALVE GROUP
8J-6074 PRESSURE REDUCING VALVE GROUP
VALVE GP-PRESSURE REDUCING
9J-4986 VALVE GP-PRESSURE REDUCING
VALVE GP-SERVO
8J-8373 VALVE GP-SERVO
VALVE GP-DIRECT RELIEF
8J-2011 VALVE GP-DIRECT RELIEF
LINES GP-HYDRAULIC PUMP
8D-7650 LINES GP-HYDRAULIC PUMP

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