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4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 1 of 4--Type 1 Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Groups shown on Pages 100A and 105 4N6548 Camshaft parts are shown on Page 99 3304




FUEL SYSTEM

GOVERNOR GP
 

#UEG0875S0250
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 1 of 4--Type 1
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Groups shown on Pages 100A and 105
4N6548 Camshaft parts are shown on Page 99
c154286 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-6547 [1] HOUSING ASSEM.  
    (Includes)
2. 4N-2333 [1] DOWEL  
3. 8S-6814 [2] DOWEL  
4. 5M-6214 [1] PLUG  
5. 4N-0260 [2] SEAL  
6. 6N-2578 C [1] BEARING  
7. 4N-2786 [1] SEAL  
8. 4N-6402 [1] GUIDE  
9. 4N-1723 [1] SHIELD  
10. 4N-2927 [2] RACE  
11. 6N-4655 C [1] DASHPOT ASSEM.  
  4N-6403 [1] SEAT  
12. 4N-6407 [1] SPOOL  
13. 4N-6406 [1] RING  
14. 4N-6404 [1] RING  
15. 4N-2953 [1] RING  
16. 4N-2401 [1] BEARING  
17. 4N-0434 [1] RISER  
18. Y [1] CAMSHAFT  
    (Separate Illustration)
20. 4N-0927 [1] SHAFT ASSEM.  
21. 5M-6509 [1] SEAL  
22. 4N-0406 [1] GEAR (10 teeth)  
23. 4N-1131 [1] BODY ASSEM.  
    (Includes)
24. 8H-9804 [1] SHAFT  
25. 4N-0636 [1] SEAL  
26. 4N-1584 [1] SEAL  
27. 8S-6814 [1] DOWEL  
29. 4N-3779 [1] KEY  
30. 4N-0429 [1] GEAR (15 teeth)  
31. 4N-0527 [1] SPRING  
33. 4N-0436 [1] SEAT  
34. 4N-0507 [1] SHAFT ASSEM.  
    (Includes)
  [1] SHAFT  
  4N-9464 [1] LEVER  
  [1] SPRING  
  [1] LEVER ASSEM.  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0251
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 2 of 4--Type 1
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Group shown on Pages 100A and 105
c154287 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-5484 [1] VALVE  
2. 4N-5485 [1] BODY  
3. 6H-9691 [1] SEAL  
4. 6N-1346 [1] HOUSING ASSEM.  
    (Includes)
5. 4N-2333 [1] PIN  
6. 4N-1826 [1] DOWEL  
  2D-6392 [1] SEAL  
7. 4N-2334 [4] PIN  
8. 1P-2298 [1] VALVE ASSEM.  
9. 6N-0343 [1] STUD  
10. 5F-9144 [1] SEAL  
11. 5J-5314 [4] BOLT  
12. 4N-2954 [1] SLEEVE  
13. 1P-4001 [1] FITTING  
14. 4N-0054 [1] SCREW  
  5B-3180 [1] NUT  
15. 1P-2497 [2] BOLT  
16. 4N-0009 [1] COVER  
  4N-0049 [1] GASKET  
17. 1P-9925 [1] BOLT  
  2S-4652 [1] WASHER  
18. 4N-0594 [1] GASKET  
19. 0S-1616 [2] BOLT 1 in.(2.54 cm) long  
  1P-9925 C [1] BOLT 2.50 in.(6.35 cm) long  
  3B-8695 [1] BOLT 3.50 in.(8.89 cm) long  
  2A-4781 [1] BOLT 2.75 in.(6.99 cm) long  
20. 9S-8632 [1] SPRING  
  4N-0116 [1] GUIDE  
21. 4N-6430 [1] PIN  
  C   INDICATES CHANGE
 

#UEG0875S0252
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 3 of 4--Type 1
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Group
shown on Pages 100A and 105
c203234 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0209 [4] BONNET  
2. 4N-0218 [4] BUSHING  
3. 4N-2655 [4] VALVE  
  9L-9424 [4] SPRING  
4. 4N-0224 [4] RING  
5. 4N-1765 [4] PLUNGER & BARREL ASSEM.  
6. 4N-4318 [4] SPRING  
7. 4N-2728 [4] WASHER  
8. 4N-1750 [4] LIFTER  
  4N-2685 [4] ROLLER  
9. 2N-2658 [4] SCREW  
10. 4N-1763 [4] LEVER  
11. 4N-0528 [1] SHAFT  
12. 4N-2677 [1] LEVER ASSEM.  
13. 2M-7819 [1] RING  
14. 3H-0442 [1] SEAL  
15. 4N-0508 [1] GASKET  
16. 4N-1591 [1] COVER ASSEM.  
    (Includes)
  4N-0506 [1] COVER  
17. 4N-1594 [1] MACHINE SCREW  
  4B-2042 [1] NUT  
  3B-4501 [1] LOCKWASHER  
  1P-7326 [1] WASHER (.06 in. thick)  
  8F-1326 [1] WASHER (.032 in. thick)  
18. 2M-5471 [2] BOLT  
19. 2P-3200 [1] BOLT  
  1J-9671 [1] SEAL  
20. 4N-0523 [1] DOWEL  
  2D-6392 [1] SEAL  
21. 4N-0445 [1] LEVER  
 

#UEG0875S0253
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 4 of 4--Type 1
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Groups shown on Pages 100A and 105
c159634 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-1881 [1] LEVER  
2. 4N-0448 [1] LEVER ASSEM.  
    (Includes)
  9L-8571 [1] DOWEL  
3. 8F-5368 [1] WASHER  
4. 9S-8601 [1] PIN  
5. 4N-1767 [1] VALVE  
6. 4N-0605 [1] SPRING  
7. 4N-0613 [2] PLATE  
9. 4N-0687 [1] COVER ASSEM.  
    (Includes)
10. 4N-2786 C [1] SEAL  
12. 0S-1616 [4] BOLT  
13. 4N-0402 [1] GASKET  
  C   INDICATES CHANGE
 

#UEG0875S0254
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 1 of 4--Type 2
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Group shown on Pages 100A, 101, 101B & 105
6N6557 Camshaft parts are shown on Page 98C
c217955 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-6547 [1] HOUSING ASSEM.  
    (Includes)
2. 4N-2333 [1] DOWEL  
3. 8S-6814 [2] DOWEL  
4. 5M-6214 [1] PLUG  
5. 4N-0260 [2] SEAL  
6. 6N-2578 [1] BEARING  
7. 4N-2786 [1] SEAL  
8. 4N-6402 [1] GUIDE  
9. 9S-4180 C [1] PLUG  
  4J-7533 C [1] SEAL  
10. 4N-2927 [2] RACE  
11. 6N-4655 [1] DASHPOT ASSEM.  
  4N-6403 [1] SEAT  
12. 4N-6407 [1] SPOOL  
13. 4N-6406 [1] RING  
14. 4N-6404 [1] RING  
15. 4N-2953 [1] RING  
16. 4N-2401 [1] BEARING  
17. 4N-0434 [1] RISER  
18. 6N-6557 YC [1] CAMSHAFT ASSEM.  
    (Separate Illustration)
19. 6N-2956 C [1] WASHER (spring)  
20. 4N-0927 [1] SHAFT ASSEM.  
21. 5M-6509 [1] SEAL  
22. 4N-0406 [1] GEAR (10 teeth)  
23. 9L-6863 C [1] BODY ASSEM.  
    (Includes)
24. 8H-9804 [1] SHAFT  
25. 4N-0636 [1] SEAL  
26. 4N-1584 [1] SEAL  
27. 8S-6814 [1] DOWEL  
28. 4N-5050 [1] PLUG  
29. 4N-3779 [1] KEY  
30. 4N-0429 [1] GEAR (15 teeth)  
31. [1] SPRING  
32. 6N-2957 C [2] WASHER  
33. 6N-7451 C [1] SEAT  
34. 4N-0507 [1] SHAFT ASSEM.  
    (Includes)
  [1] SHAFT  
  4N-9464 [1] LEVER  
  [1] SPRING  
  [1] LEVER ASSEM.  
35. 4N-1723 [1] SHIELD  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0255
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION GROUP--Part 2 of 4--Type 2
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Groups shown on Pages 100A, 101, 101B & 105
c217956 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-5484 [1] VALVE  
2. 4N-5485 [1] BODY  
3. 6H-9691 [1] SEAL  
4. 6N-1346 [1] HOUSING ASSEM.  
    (Includes)
5. 4N-2333 [1] PIN  
6. 4N-1826 [1] DOWEL  
  2D-6392 [1] SEAL  
7. 6N-5325 C [4] PIN  
8. 1P-2298 [1] VALVE ASSEM.  
9. 4N-5481 C [1] STUD  
10. 5F-9144 [1] SEAL  
11. 5J-5314 [4] BOLT  
12. 4N-2954 [1] SLEEVE  
13. 1P-4001 [1] FITTING  
14. 4N-0054 [1] SCREW  
  5B-3180 [1] NUT  
15. 1P-2497 [2] BOLT  
16. 4N-5578 C [1] COVER  
  4N-0049 [1] GASKET  
17. 1P-9925 [1] BOLT  
  6N-7523 C [1] WASHER  
18. 4N-0594 [1] GASKET  
19. 4N-6430 [1] PIN  
20. 9S-8632 [1] SPRING  
  4N-0116 [1] GUIDE  
  C   INDICATES CHANGE
 

#UEG0875S0256
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 3 of 4--Type 2
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Group
shown on Pages 100A, 101, 101A & 105
c217957 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0209 [4] BONNET  
2. 4N-0218 [4] BUSHING  
3. 4N-2655 [4] VALVE  
  9L-9424 [4] SPRING  
4. 4N-0224 [4] RING  
5. 4N-1765 [4] PLUNGER & BARREL ASSEM.  
6. 4N-4318 [4] SPRING  
7. 4N-2728 [4] WASHER  
8. 4N-1750 [4] LIFTER  
  4N-2685 [4] ROLLER  
9. 2N-2658 [4] SCREW  
10. 4N-1763 [4] LEVER  
11. 4N-0528 [1] SHAFT  
12. 4N-2677 [1] LEVER ASSEM.  
13. 2M-7819 [1] RING  
14. 3H-0442 [1] SEAL  
15. 4N-0508 [1] GASKET  
16. 4N-1591 [1] COVER ASSEM.  
    (Includes)
  6N-0411 C [1] COVER  
17. 6N-0412 C [1] MACHINE SCREW  
  4B-2042 [1] NUT  
  3B-4501 [1] LOCKWASHER  
  1P-7326 [1] WASHER 1.52mm(.06in.)thick  
  8F-1326 [1] WASHER .813mm(.032in.)thick  
18. 2P-3200 C [1] BOLT  
  1J-9671 C [1] SEAL  
19. 2M-5471 [2] BOLT  
20. 4N-0523 [1] DOWEL  
  2D-6392 [1] SEAL  
21. 4N-0445 [1] LEVER  
22. 4N-0223 C [4] SEAL  
  C   INDICATES CHANGE
 

#UEG0875S0257
 

4N-6550: GOV & FUEL INJ PUMP GP

4N6550 GOVERNOR AND FUEL INJECTION PUMP GROUP--Part 4 of 4--Type 2
Part of 6N251 and 6N7820 Governor & Fuel Injection Pump Groups shown on Pages 100A, 101, 101B & 105
c217976 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-1767 [1] VALVE  
2. 4N-0605 [1] SPRING  
3. 4N-1881 [1] LEVER  
  4N-0448 [1] LEVER ASSEM.  
    (Includes)
  9L-5871 [1] DOWEL  
5. 2A-4781 [1] BOLT 6.99 cm(2.75 in.) long  
6. 8F-5368 [1] WASHER  
7. 6N-5482 C [2] PLATE  
8. 4N-0687 [1] COVER ASSEM.  
    (Includes)
9. 4N-2786 C [1] SEAL  
10. 0S-1616 [4] BOLT  
11. 4N-0402 [1] GASKET  
12. 9S-8601 [1] PIN  
13. 3B-8695 [1] BOLT 8.89 cm(3.5 in.) long  
14. 1B-9925 [2] BOLT 6.35 cm(2.5 in.) long  
  C   INDICATES CHANGE
 

#UEG0875S0258
 

6N-7820: GOV & FUEL INJ PUMP GP

6N7820 GOVERNOR AND FUEL INJECTION PUMP GROUP
Part of 6N7608 Governor and Fuel Injection Pump Group shown on Page 98C. 4N6550 Governor and Fuel Injection Pump and
6N509 Torque Control parts are shown on Pages 102 through 104A and 112
c217958 UEG0875S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-4710 [2] BOLT  
2. 4N-0053 [1] COVER  
  4N-0159 [1] GASKET  
3. 0S-1616 [1] BOLT  
4. 6N-2843 [1] GASKET  
5. 4N-5490 [1] BASE ASSEM.  
    (Includes)
6. 9S-4167 [1] STUD  
7. 9S-8597 [1] SPRING  
8. 6N-0509 Y [1] CONTROL GROUP  
9. 4N-6550 Y [1] PUMP GROUP  
    (Separate Illustration)
10. 9F-7022 [1] BOLT  
11. 4N-9336 [1] DISC  
12. 4N-7572 [1] ELBOW  
  4N-9337 [1] GASKET  
13. 0S-1615 [11] BOLT  
14. 9F-6580 [2] BOLT  
15. 8S-4710 [1] BOLT  
16. 7N-0450 C [1] VALVE ASSEM.  
17. 9S-4180 [1] PLUG  
  4J-7533 [1] SEAL  
18. 4N-4431 [1] GASKET  
  6N-2810 [1] CHANNEL  
19. 4N-4350 [1] COVER  
  4N-9056 [1] GASKET  
20. 4N-0443 [1] PIN  
21. 6N-8157 [1] SPRING  
22. 6N-0248 [1] SHAFT ASSEM.  
23. 4N-0444 [2] SPACER  
24. 4N-8179 [1] PIN  
25. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0259
 

6N-0143: GOVERNOR DRIVE GROUP

6N143 GOVERNOR DRIVE GROUP--Part 1 of 2--Type 1
Part of 6N161 Fuel Injection Pump Group shown on Page 89
c152653 UEG0875S
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2A-0762 [4] BOLT  
2. 4N-8507 [2] COVER  
  4N-0117 [2] GASKET  
3. 7L-4984 [1] STUD  
4. 3N-2825 [1] LEVER  
  7J-9018 [1] BOLT  
5. 4F-7957 [3] BOLT .875 in.(2.22 cm)long  
6. 4N-0609 [1] COVER  
7. 5M-6214 [1] PLUG  
8. 3L-5987 [1] COVER  
  6L-5773 [1] GASKET  
9. 0S-1614 [2] BOLT  
10. 3N-2826 [1] BASE  
  4N-5658 [1] PLUG  
11. 0S-1615 [2] BOLT .75 in.(1.91 cm) long  
12. 4N-0159 [1] GASKET  
13. 8F-9538 [1] SEAL  
14. 4N-6326 [1] SCREW  
  2L-1331 [1] NUT  
  2L-1333 [1] LOCK  
15. 7L-4987 [1] COVER  
16. 8F-6297 [1] WASHER  
17. 6L-1559 [1] BOLT  
18. 7D-9749 [1] SEAL  
19. 4N-5383 [1] LEVER ASSEM.  
20. 4N-5624 [1] SHAFT  
21. 6D-9442 [3] BOLT  
22. 4N-8312 [1] SLEEVE  
23. 4N-5626 [1] ADAPTER  
24. 5L-1100 [1] BEARING  
  4N-8626 [1] RACE  
25. 4N-5574 [1] ADAPTER ASSEM.  
    (Includes)
  3F-3152 [1] BALL  
26. 4N-0636 C [1] SEAL  
27. 4N-5629 [1] BEARING  
28. 4L-7124 [1] BOLT  
29. 4N-5623 [1] SHAFT  
30. 1B-8702 [1] KEY  
31. 3K-9756 [1] SPRING  
32. 1B-4205 [1] NUT  
33. 4N-5625 [1] GEAR (48 teeth)  
34. 3N-2832 [1] GASKET  
35. 1B-2714 [1] BOLT  
36. 4N-0610 [1] DIAPHRAGM  
  4N-1826 H [1] DOWEL  
  2D-6392 H [1] SEAL  
    (Mounted in Governor Housing)
  C   INDICATES CHANGE
  H   NOT SHOWN
 

Information:

Engine News
Special Instruction
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
Specifications
Fuel Injection Equipment
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Fuel Transfer Pump<BR> (4N4864)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Fuel Transfer Pump<BR> (7L543 and 2N8603)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Governor
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Woodward PSG Governors
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Output Shaft Governor<BR> (8L8661)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Equipment
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Transfer Pump
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel System Timing<BR> (Engines With Timing Pointer)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Automatic Timing Advance Unit
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Woodward PSG Governor
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Woodward PSG Governor<BR> (8N6774)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Governor Control
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Disassembly and Assembly
Fuel Transfer Pump
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pump Housing And Governor
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Governor
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pump Housing
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Adapter Housing And Levers
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pump Housing And Governor
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Check Valve And Bypass Valve
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Governor
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pump
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pumps
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Transfer Pump
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pump Housing
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Service Magazine

Caterpillar Parts SIS Catalog 3304 :

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