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GOVERNOR AND FUEL INJECTION PUMP (8N4123 N/S)--Type 1 Effective with Serial No. 9Z1-UP Torque Control (8N7275 N/S) and Governor & Fuel Injection Pump parts are shown on Pages 61 and 62 950B




FUEL SYSTEM

GOVERNOR GP
 

#XMBP96770090
 

8N-4123: GOV & FUEL INJ PUMP GP

GOVERNOR AND FUEL INJECTION PUMP (8N4123 N/S)--Type 1
Effective with Serial No. 9Z1-UP
Torque Control (8N7275 N/S) and Governor & Fuel Injection Pump parts are shown on
Pages 61 and 62
j22791e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-6392 [1] SEAL  
2. 6M-5062 [1] SEAL  
3. 1W-1066 [1] LEVER ASSEM.  
  7N-5334 [1] SCREW  
  4B-2049 [1] NUT  
4. 6N-1716 [1] VALVE ASSEM.  
  3J-7354 [1] SEAL  
5. Y [1] GOVERNOR & FUEL INJECTION PUMP  
    (See Separate Illustration)
6. 7N-2176 [1] PIN  
  7N-1052 [1] DOWEL  
7. 8N-3093 [1] SPRING  
8. 8N-3088 [1] SHAFT ASSEM.  
9. Y [1] TORQUE CONTROL  
    (See Separate Illustration)
10. 8M-9141 [1] SPRING  
11. 4N-8507 [1] COVER  
  4N-0117 [1] GASKET  
12. 0S-1614 [2] BOLT  
13. 5D-6543 [1] SEAL  
14. 5L-4758 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#XMBP96770091
 

8N-4123: GOV & FUEL INJ PUMP GP

GOVERNOR AND FUEL INJECTION PUMP (8N4123 N/S)--Type 2
Effective with Serial No. 9Z1-UP
Torque Control (8N7276 N/S) and Governor & Fuel Injection Pump parts are shown on
Pages 61 and 62A
j24742e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-6392 [1] SEAL  
2. 6M-5062 [1] SEAL  
3. 1W-1066 [1] LEVER ASSEM.  
  7N-5334 [1] SCREW  
  4B-2049 [1] NUT  
4. 6N-1716 [1] VALVE ASSEM.  
  3J-7354 [1] SEAL  
5. Y [1] GOVERNOR & FUEL INJECTION PUMP  
    (See Separate Illustration)
6. 7N-2176 [1] PIN  
  7N-1052 [1] DOWEL  
7. 8N-3094 C [1] SPRING  
8. 8N-3088 [1] SHAFT ASSEM.  
9. Y [1] TORQUE CONTROL  
    (See Separate Illustration)
10. 8M-9141 [1] SPRING  
11. 2W-5448 C [1] COVER  
  2W-5447 C [1] GASKET  
12. 0S-1615 C [2] BOLT  
13. 5D-6539 C [1] SEAL  
14. 5L-4758 [1] SEAL  
15. 7N-5334 C [1] SETSCREW  
16. 4B-2049 C [1] NUT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#XMBP96770092
 

8N-7275: CONTROL GP-TORQUE

TORQUE CONTROL (8N7275 N/S)
Effective with Serial No. 9Z1-UP
Part of Governor & Fuel Injection Pump shown on Page 60
j20955e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8H-0707 [2] BOLT  
2. 8N-3090 [1] CONTACT  
3. 7N-7282 [1] BAR  
4. 8N-7807 [1] BAR  
5. 1P-6452 [1] INSURATOR  
6. 2P-2685 [1] SPACER  
7. 8M-9062 [1] RETAINER  
 

#XMBP96770093
 

8N-7276: TORQUE CONTROL GP

TORQUE CONTROL (8N7276 N/S)
Effective with Serial No. 9Z1-UP
Part of Governor & Fuel Injection Pump shown on Page 60A
j22715e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8H-0707 [2] BOLT  
2. 8N-3090 [1] CONTACT  
3. 7N-7282 [1] BAR  
4. 8N-7735 [1] BAR  
5. 1P-6452 [1] INSULATOR  
6. 2P-2685 [1] SPACER  
7. 8M-9062 [1] RETAINER  
8. 8N-7519 [1] SPRING  
 

#XMBP96770094
 

8N-4124: GOV & FUEL INJ PUMP GP

GOVERNOR AND FUEL INJECTION PUMP (8N4124 N/S)--Type 1
Effective with Serial No. 9Z1-UP
Part of Governor & Fuel Injection Pump shown on Page 60
Governor, 7N6831 Fuel Transfer Pump and 8N2515 Fuel Injection Pump parts are shown on
j21569e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Y [1] GOVERNOR GROUP  
    (See Separate Illustration)
2. 7N-8768 [1] GASKET  
3. 0S-1614 [2] BOLT  
4. 8N-5783 [1] DEFLECTOR  
5. 8B-2377 [2] BOLT  
6. 7N-9521 [1] COVER  
  7N-3104 [1] GASKET  
7. 1B-2713 [2] BOLT  
  4B-4276 [2] WASHER  
8. 4F-7957 [4] BOLT  
9. 8N-2515 Y [1] FUEL INJECTION PUMP  
    (See Separate Illustration)
10. 0S-1615 [1] BOLT  
11. 7N-6831 Y [1] PUMP GROUP  
    (See Separate Illustration)
  4J-8997 [1] SEAL  
12. 8F-6302 [1] BOLT  
13. 0S-1616 [1] BOLT  
14. 6B-4198 [2] BOLT  
15. 4N-1761 [4] BOLT (16.5cm Long)  
  2S-7383 [1] BOLT (Drilled Head)  
  8F-8178 [2] BOLT (8.3cm Long)  
16. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#XMBP96770095
 

8N-4124: GOV & FUEL INJ PUMP GP

GOVERNOR AND FUEL INJECTION PUMP (8N4124 N/S)--Type 2
Effective with Serial No. 9Z1-UP
Part of Governor and Fuel Injection Pump shown on Page 60A
Governor, 7N6831 Fuel Transfer Pump and 2W263 Fuel Injection Pump parts are shown
on Pages 65A through 65C and 66, 67B
j24743e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Y [1] GOVERNOR GROUP  
    (See Separate Illustration)
2. 7N-8768 [1] GASKET  
3. 0S-1614 [2] BOLT  
4. 8N-5783 [1] DEFLECTOR  
5. 8B-2377 [2] BOLT  
6. 7N-9521 [1] COVER  
  7N-3104 [1] GASKET  
7. 1B-2713 [2] BOLT  
  4B-4276 [2] WASHER  
8. 4F-7957 [4] BOLT  
9. 2W-0263 Y [1] FUEL INJECTION PUMP  
    (See Separate Illustration)
10. 0S-1615 [1] BOLT  
11. 7N-6831 Y [1] PUMP GROUP  
    (See Separate Illustration)
  4J-8997 [1] SEAL  
12. 8F-6302 [1] BOLT  
13. 0S-1616 [1] BOLT  
14. 6B-4198 [2] BOLT  
15. 4N-1761 [4] BOLT (16.5cm Long)  
  2S-7383 [1] BOLT (Drilled Head)  
  8F-8178 [2] BOLT (8.3cm Long)  
16. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#XMBP96770096
 

8N-2508: GOVERNOR GP

GOVERNOR (8N2508 N/S)--Part 1 of 3
Effective with Serial No. 9Z1-UP
Part of Governor and Fuel Injection Pump shown on Page 62
j23477e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-6523 [1] PLUG  
2. 8N-3259 [1] COVER  
  8N-3263 [1] GASKET  
3. 0S-1616 [2] BOLT  
4. 7N-2594 [1] SCREW  
  7N-8775 [1] NUT  
5. 3J-7354 [1] SEAL  
6. 4N-5485 [1] BODY  
  5F-9144 [1] SEAL  
7. 4N-5484 [1] VALVE  
  6H-9691 [1] SEAL  
8. 4F-7957 [6] BOLT  
9. 7N-8780 [1] COVER ASSEM.  
10. 5P-3272 [1] SEAL  
11. 7N-8779 [1] GASKET  
12. 3P-0009 [1] INSULATOR  
13. 1P-2497 [2] BOLT  
14. 8N-3258 [1] COVER  
  8N-3264 [1] GASKET  
15. 1P-4001 [1] FITTING  
 

#XMBP96770097
 

8N-2508: GOVERNOR GP

GOVERNOR (8N2508 N/S)--Part 2 of 3
Effective with Serial No. 9Z1-UP
Part of Governor and Fuel Injection Pump shown on
j24272e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-8785 [1] SHAFT  
2. 1N-3800 [1] SLEEVE  
3. 4N-0432 [1] BEARING  
4. 1N-3801 [1] SPRING  
5. 2M-7819 [2] RING  
6. 1N-3802 [1] SEAT  
7. 8N-2507 [1] PISTON ASSEM.  
  8N-2505 [1] VALVE  
  7N-7271 [1] LEVER  
  3G-3835 [1] PIN  
8. 7N-7273 [1] PISTON  
9. 8N-3089 [1] SLEEVE  
10. 5P-9757 [1] SEAL  
11. 031-0216 [3] BOLT  
12. 4N-2953 [1] RING  
13. 4N-2927 [2] RACE  
14. 7M-7219 [1] BEARING  
15. 8N-2504 [1] RISER  
16. 7N-7267 [1] SPRING  
17. 8N-2495 [1] HOUSING ASSEM.  
  8S-6814 [4] DOWEL (12.7m m Long)  
  4F-6024 [2] DOWEL (8mm Long)  
18. 8N-2503 [1] DASHPOT ASSEM.  
  4N-6407 [1] SPOOL  
  4N-6406 [1] RING  
19. 4N-6404 [1] RING  
20. 8N-2496 [1] GASKET  
21. 2N-0828 [2] WASHER  
22. 2P-9556 [1] WASHER  
23. 6N-3504 [1] SEAT  
24. 7N-8821 [2] RING  
25. 7N-7270 [2] SLEEVE  
26. 3K-5733 [1] SPRING  
27. 8N-2501 [1] HOUSING ASSEM.  
  1P-2298 [1] VALVE ASSEM.  
28. 8N-2499 [1] GUIDE  
29. 3D-8317 [1] RING  
30. 4N-0260 [1] SEAL  
 

#XMBP96770098
 

8N-2508: GOVERNOR GP

GOVERNOR (8N2508 N/S)--Part 3 of 3
Effective with Serial No. 9Z1 - UP
Part of Governor and Fuel Injection Pump shown on
Page 62
j23479e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-3897 [1] BOLT  
2. 6L-5897 [2] BOLT  
3. 8N-2492 [1] BLOCK ASSEM.  
  8N-3303 [1] DOWEL  
4. 8N-2488 [1] BOLT  
5. 8N-3256 [1] COLLER  
6. 4B-2049 [1] NUT  
7. 5H-6552 [1] SCREW  
8. 7N-8821 [1] RING  
9. 6N-1069 [1] SPRING  
10. 8N-3087 [1] STOP  
11. 7N-2172 [2] PIN  
12. 7N-2171 [4] RING  
13. 7N-2594 [1] SCREW  
  5B-3180 [1] NUT  
  5N-4185 [1] WASHER  
14. 8N-3167 [2] PLATE  
15. 8N-3168 [1] LEVER  
16. 7N-8784 [1] LEVER  
17. 9M-1974 [1] WASHER  
18. 1W-4243 [1] SPRING  
 

#XMBP96770099
 

2W-2410: GOVERNOR GP

GOVERNOR (2W2410 N/S)--Part 1 of 3
Effective with Serial No. 9Z1 - UP
Part of Governor and Fuel Injection Pump shown on
Page 62A
j23477e XMBP9677
  For full view, you need register

Parts for your 950B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-6523 [1] PLUG  
2. 8N-3259 [1] COVER  
  8N-3263 [1] GASKET  
3. 0S-1616 [2] BOLT  
4. 7N-2594 [1] SCREW  
  7N-8775 [1] NUT  
5. 3J-7354 [1] SEAL  
6. 4N-5485 [1] BODY  
  5F-9144 [1] SEAL  
7. 4N-5484 [1] VALVE  
  6H-9691 [1] SEAL  
8. 4F-7957 [6] BOLT  
9. 7N-8780 [1] COVER ASSEM.  
10. 5P-3272 [1] SEAL  
11. 7N-8779 [1] GASKET  
12. 3P-0009 [1] INSULATOR  
13. 1P-2497 [2] BOLT  
14. 8N-3258 [1] COVER  
  8N-3264 [1] GASKET  
15. 1P-4001 [1] FITTING  
 

Information:

Disassembly and Assembly
Governor - Disassemble
3304B and 3306B Engines for Caterpillar Built Machines
Fuel Injection Pump Housing and Governor - Install
3304B and 3306B Engines for Caterpillar Built Machines
Governor - Assemble
3304B and 3306B Engines for Caterpillar Built Machines
Fuel Injection Pump Housing and Governor - Remove
3304B and 3306B Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 950B :

Truck sale:

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