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7W1436 FUEL INJECTION PUMP GROUP-12 REQUIRED FOR USE WITH 8N5806, 8N5807 ENGINE RATED AT 1600 RPM OR LOWER AN ATTACHMENT 3512


FUEL SYSTEM
PUMP GP-FUEL INJECTION
CONTROL GP-FUEL INJECTION
LINES GP-FUEL

GEN SET ENGINE 3512 GEN SET ENGINE 24Z
 3512 GENERATOR SET ENGINE 24Z00001-01316 SEBP1281 3512 24Z   (1981)

FUEL SYSTEM

PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
8N-7724 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7W-1436 PUMP GP-FUEL INJECTION
 

#SEBP12810610
 

7W-1436: PUMP GP-FUEL INJECTION

7W1436 FUEL INJECTION PUMP GROUP-12 REQUIRED
FOR USE WITH 8N5806, 8N5807 ENGINE RATED AT 1600 RPM OR LOWER
AN ATTACHMENT
c458929 SEBP1281
7W1436 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-1035 CR [1] INJECTOR AS-FUEL  
2. 7F-8698 [1] BOLT  
3. 7N-5487 [1] WASHER  
4. 8N-8069 [1] CLAMP-INJECTOR  
5. 7C-2615 C [1] PLUG  
6. 8J-8725 [2] SEAL-O-RING  
7. 6V-1250 [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP12810611
 

8N-7725: CONTROL GP-FUEL INJECTION

8N7725 FUEL INJECTION CONTROL GROUP-PART 1 OF 2
SERIAL NO. 24Z1 TO 24Z569 INCUSIVE
c468585 SEBP1281
8N7725 CONTROL GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2L-6324 [1] BOLT  
2. 5M-2894 [2] WASHER  
3. 7N-5368 [1] PIN-RACK SYNCHRONIZE  
4. 8N-1995 [1] COVER  
5. 8N-1996 [1] GASKET  
6. 4B-3612 [1] SETSCREW  
  9S-8752 [1] NUT-FULL  
7. 7N-5360 [12] LEVER  
8. 7N-5352 [12] DOWEL  
9. 005-8160 [24] BOLT-12 POINT HEAD  
10. 7N-5358 [12] BRACKET  
11. 2L-9038 [24] LOCKNUT  
12. 7N-5343 [12] BOLT-PIVOT  
13. 5P-0537 [14] WASHER  
14. 7N-5372 [12] ROD AS-CONTROL  
15. 7N-5367 [12] DOWEL  
16. 1N-4673 [12] LEVER  
17. 0S-1594 [8] BOLT  
18. 7N-5976 [2] SUPPORT AS  
19. 7N-5345 [2] BRACKET AS  
    (EACH INCLUDES)
  7N-5984 [1] BEARING  
20. 7N-2047 [2] DOWEL  
21. 7N-5376 [1] SHAFT  
22. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
23. 7N-5378 [2] LEVER AS  
    (EACH INCLUDES)
24. 7N-5352 [1] DOWEL  
25. 1N-4674 [2] LEVER-GOVERNOR  
26. 6V-3279 [2] BOLT-GROUND BODY  
27. 2A-5220 [2] PLUG-DRAIN  
  1B-4218 [2] WASHER  
 

#SEBP12810612
 

8N-7725: CONTROL GP-FUEL INJECTION

8N7725 FUEL INJECTION CONTROL GROUP-PART 2 OF 2
SERIAL NO. 24Z1 TO 24Z569 INCLUSIVE
c468585 SEBP1281
8N7725 CONTROL GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2L-6324 [1] BOLT  
2. 5M-2894 [2] WASHER  
3. 7N-5368 [1] PIN-RACK SYNCHRONIZE  
4. 8N-1995 [1] COVER  
5. 8N-1996 [1] GASKET  
6. 4B-3612 [1] SETSCREW  
  9S-8752 [1] NUT-FULL  
7. 7N-5360 [12] LEVER  
8. 7N-5352 [12] DOWEL  
9. 005-8160 [24] BOLT-12 POINT HEAD  
10. 7N-5358 [12] BRACKET  
11. 2L-9038 [24] LOCKNUT  
12. 7N-5343 [12] BOLT-PIVOT  
13. 5P-0537 [14] WASHER  
14. 7N-5372 [12] ROD AS-CONTROL  
15. 7N-5367 [12] DOWEL  
16. 1N-4673 [12] LEVER  
17. 0S-1594 [8] BOLT  
18. 7N-5976 [2] SUPPORT AS  
19. 7N-5345 [2] BRACKET AS  
    (EACH INCLUDES)
  7N-5984 [1] BEARING  
20. 7N-2047 [2] DOWEL  
21. 7N-5376 [1] SHAFT  
22. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
23. 7N-5378 [2] LEVER AS  
    (EACH INCLUDES)
24. 7N-5352 [1] DOWEL  
25. 1N-4674 [2] LEVER-GOVERNOR  
26. 6V-3279 [2] BOLT-GROUND BODY  
27. 2A-5220 [2] PLUG-DRAIN  
  1B-4218 [2] WASHER  
 

#SEBP12810613
 

8N-7725: CONTROL GP-FUEL INJECTION

8N7725 FUEL INJECTION CONTROL GROUP-PART 1 OF 2
SERIAL NO. 24Z570-UP
c468586 SEBP1281
8N7725 CONTROL GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-3279 C [12] BOLT-GROUND BODY  
2. 5P-0537 C [12] WASHER  
3. 061-8114 C [4] RING-RETAINING  
4. 1W-4341 C [2] SHAFT-FUEL CONTROL  
5. 1N-2972 [4] BRACKET AS  
    (EACH INCLUDES)
  7N-5984 [1] BEARING  
6. 0L-1351 [8] BOLT  
7. 8N-2004 [12] CAP  
8. 9L-9398 C [4] WASHER  
9. 2A-5220 [3] PLUG-DRAIN  
  1B-4218 [3] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP12810614
 

8N-7725: CONTROL GP-FUEL INJECTION

8N7725 FUEL INJECTION CONTROL GROUP-PART 2 OF 2
SERIAL NO. 24Z570-UP
c468586 SEBP1281
8N7725 CONTROL GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-3279 C [12] BOLT-GROUND BODY  
2. 5P-0537 C [12] WASHER  
3. 061-8114 C [4] RING-RETAINING  
4. 1W-4341 C [2] SHAFT-FUEL CONTROL  
5. 1N-2972 [4] BRACKET AS  
    (EACH INCLUDES)
  7N-5984 [1] BEARING  
6. 0L-1351 [8] BOLT  
7. 8N-2004 [12] CAP  
8. 9L-9398 C [4] WASHER  
9. 2A-5220 [3] PLUG-DRAIN  
  1B-4218 [3] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP12810615
 

8N-7727: LINES GP-FUEL INJECTION

8N7727 FUEL INJECTION LINES GROUP-PART 1
SERIAL NO. 24Z1 TO 24Z421 INCLUSIVE
c230378 SEBP1281
8N7727 LINES GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1617 [2] BOLT  
2. 4F-3714 [2] WASHER  
3. 8N-3529 [4] PLUG  
4. 2M-4453 [4] SEAL  
5. 8N-8785 [12] TUBE ASSEM.  
6. 8N-8788 [6] MANIFOLD  
7. 8N-8786 [12] TUBE ASSEM.  
8. 2R-6806 [12] CONNECTOR  
9. 3J-1907 [14] SEAL  
10. 8N-3751 [12] CONNECTOR ASSEM.  
    (Each Includes)
  8N-3750 [1] FILTER  
  1S-1638 [1] RING  
11. 3K-0360 [13] SEAL  
12. 5P-2645 [24] ELBOW  
13. 3J-7354 [25] SEAL  
14. 9S-4182 [1] PLUG  
15. 8N-2755 C [6] CLAMP  
16. 0L-2070 C [3] BOLT  
17. 1D-4717 [2] NUT  
18. 5M-2894 C [7] WASHER  
19. 8N-6324 [1] TUBE ASSEM.  
20. 8N-6323 [1] TUBE ASSEM.  
21. 030-7977 C [1] ELBOW  
22. 8N-6030 [1] PLUNGER  
  8F-2621 [1] SPRING  
23. 2P-7636 [1] CONNECTOR  
24. 0S-1590 [2] BOLT  
25. 8N-6210 [1] BRACKET  
26. 9S-4191 [2] PLUG  
27. 030-7976 [1] ELBOW  
  3D-2824 [1] SEAL  
28. 9M-4584 [1] CONNECTOR  
29. 030-7949 C [1] ELBOW  
30. 2M-9780 [3] SEAL  
31. 8N-8787 [1] ADAPTER  
32. 4B-0831 [1] BOLT  
  9M-1974 [1] WASHER  
  C   INDICATES CHANGE
 

#SEBP12810616
 

8N-7727: LINES GP-FUEL INJECTION

8N7727 FUEL INJECTION LINES GROUP-PART 2
SERIAL NO. 24Z1 TO 24Z421 INCLUSIVE
c230379 SEBP1281
8N7727 LINES GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-2565 C [8] CONNECTOR  
2. 2M-4453 [24] SEAL  
3. 1W-2566 C [4] CONNECTOR  
4. 1N-4734 [8] CLAMP  
5. 0L-2070 [5] BOLT  
6. 5M-2894 [12] WASHER  
7. 8N-6327 [1] TUBE ASSEM.  
8. 030-7949 [2] ELBOW  
9. 2M-9780 [4] SEAL  
10. 8N-6326 [1] TUBE ASSEM.  
11. 2P-1296 [1] TEE  
12. 8N-3928 [1] ADAPTER  
  1D-4539 [1] BOLT  
13. 9M-1974 [1] WASHER  
14. 8N-4131 [4] SPACER  
15. 0T-0065 [4] BOLT  
16. 9M-4584 [1] CONNECTOR  
17. 1P-7625 [1] ELBOW  
  3K-0360 [1] SEAL  
18. 8N-2755 [10] CLAMP  
19. 8N-6328 [1] TUBE ASSEM.  
20. 8N-8293 [1] TUBE ASSEM.  
21. 1D-4717 [1] NUT  
22. 0S-1594 [2] BOLT  
23. 5P-4900 [2] ELBOW  
24. 8N-6211 [1] PLATE  
25. 8N-6325 [1] TUBE ASSEM.  
  C   INDICATES CHANGE
 

#SEBP12810617
 

8N-7727: LINES GP-FUEL INJECTION

8N7727 FUEL INJECTION LINES GROUP-PART 1
SERIAL NO. 24Z422 TO 24Z428 INCLUSIVE
c309080 SEBP1281
8N7727 LINES GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-2695 C [2] BOLT  
2. 5P-0537 C [4] WASHER  
3. 8N-3529 [4] PLUG-FUEL MANIFOLD  
4. 2M-4453 [4] SEAL-O-RING  
5. 8N-8785 [12] TUBE AS  
6. 8N-8788 [6] MANIFOLD-FUEL  
7. 8N-8786 [12] TUBE AS  
8. 2R-6806 [12] CONNECTOR  
9. 3J-1907 C [13] SEAL  
10. 8N-3751 [12] CONNECTOR AS  
  8N-3751 CONNECTOR AS (EACH INCLUDES)  
  8N-3750 [1] FILTER-INJECTOR  
  1S-1638 [1] RING-RETAINING  
11. 3K-0360 [13] SEAL-O-RING  
12. 5P-2645 [24] ELBOW  
13. 3J-7354 C [24] SEAL-O-RING  
14. 2L-3622 C [1] ELBOW  
15. 8N-2755 [6] CLAMP  
16. 0L-2070 [3] BOLT  
17. 1D-4717 [2] NUT  
18. 5M-2894 [7] WASHER  
19. 8N-6324 [1] TUBE AS  
20. 8N-6323 [1] TUBE AS  
21. 9S-4189 C [1] PLUG-O-RING  
22. 1W-4356 C [1] PLUNGER-REGULATING VALVE  
  9N-4053 C [1] SPRING  
23. 2P-7636 [1] CONNECTOR-FLARED  
24. 0S-1590 [2] BOLT  
25. 8N-6210 [1] BRACKET-LINE SUPPORT  
26. 9S-4191 C [1] PLUG-O-RING  
27. 030-7976 [1] ELBOW  
  3D-2824 [1] SEAL-O-RING  
28. 9M-4584 [1] CONNECTOR-FLARED  
29. 030-7949 [1] ELBOW  
30. 2M-9780 C [4] SEAL-O-RING  
31. 1W-4355 C [1] ADAPTER-FUEL MANIFOLD  
32. 4B-0831 [1] BOLT  
33. 9M-1974 C [3] WASHER  
34. 0S-1614 C [4] BOLT  
35. 1W-4499 C [2] PLATE  
36. 1W-6256 C [1] CONNECTOR  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP12810618
 

8N-7727: LINES GP-FUEL INJECTION

8N7727 FUEL INJECTION LINES GROUP-PART 2
SERIAL NO. 24Z422 TO 24Z428 INCLUSIVE
c181384 SEBP1281
8N7727 LINES GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-2565 [8] CONNECTOR  
2. 2M-4453 [24] SEAL  
3. 1W-2566 [4] CONNECTOR  
4. 1N-4734 [8] CLAMP  
5. 0L-2070 [5] BOLT  
6. 5M-2894 [12] WASHER  
7. 8N-6327 [1] TUBE ASSEM.  
8. 030-7949 [2] ELBOW  
9. 2M-9780 [4] SEAL  
10. 8N-6326 [1] TUBE ASSEM.  
11. 2P-1296 [1] TEE  
12. 8N-3928 [1] ADAPTER  
  1D-4539 [1] BOLT  
13. 9M-1974 [1] WASHER  
14. 8N-4131 [4] SPACER  
15. 0T-0065 [4] BOLT  
16. 9M-4584 [1] CONNECTOR  
17. 1P-7625 [1] ELBOW  
  3K-0360 [1] SEAL  
18. 8N-2755 [10] CLAMP  
19. 8N-6328 [1] TUBE ASSEM.  
20. 8N-8293 [1] TUBE ASSEM.  
21. 1D-4717 [1] NUT  
22. 0S-1594 [2] BOLT  
23. 5P-4900 [2] ELBOW  
24. 8N-6211 [1] PLATE  
25. 8N-6325 [1] TUBE ASSEM.  
 

#SEBP12810619
 

8N-5793: LINES GP-FUEL INJECTION

8N5793 FUEL INJECTION LINES GROUP-PART 1
SERIAL NO. 24Z429 TO 24Z471 INCLUSIVE
c181469 SEBP1281
8N5793 LINES GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3512 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-2695 [2] BOLT  
2. 9M-1974 [3] WASHER  
3. 8N-3529 [4] PLUG  
4. 2M-4453 [4] SEAL  
5. 8N-8785 [12] TUBE ASSEM.  
6. 8N-8788 [6] MANIFOLD  
7. 8N-8786 [12] TUBE ASSEM.  
8. 2R-6806 [12] CONNECTOR  
9. 3J-1907 [14] SEAL  
10. 8N-3751 [12] CONNECTOR ASSEM.  
    (Each Includes)
  8N-3750 [1] FILTER  
  1S-1638 [1] RING  
11. 3K-0360 [13] SEAL  
12. 5P-2645 [24] ELBOW  
13. 3J-7354 [24] SEAL  
14. 9S-4189 [1] PLUG  
15. 8N-2755 [6] CLAMP  
16. 0L-2070 [3] BOLT  
17. 1D-4717 [2] NUT  
18. 5M-2894 [7] WASHER  
19. 1N-4639 [1] TUBE ASSEM.  
20. 1N-4640 [1] TUBE ASSEM.  
21. 2L-3622 [1] ELBOW  
22. 1W-4356 [1] PLUNGER  
  9N-4053 [1] SPRING  
23. 2P-7636 [1] CONNECTOR  
24. 0S-1590 [2] BOLT  
25. 8N-6210 [1] BRACKET  
26. 9S-4191 [1] PLUG  
27. 6V-4363 [1] ELBOW  
28. 9M-4584 [1] CONNECTOR  
29. 030-7949 [1] ELBOW  
30. 2M-9780 [5] SEAL  
31. 1W-4355 [1] ADAPTER  
32. 4B-0831 [1] BOLT  
33. 6V-4362 [1] CONNECTOR  
34. 1W-4499 [2] PLATE  
35. 0S-1614 [4] BOLT  
  5P-0537 [4] WASHER  
36. 1W-6256 [1] CONNECTOR  
 

Information:

Engine News
Use 6V4172 Injector Sleeve When You Clean Fuel Injectors
1981/07/15
Explanation Of Differences In Timing Advance Information
1981/08/26
Bulged Capsule-Type Fuel Nozzles
1982/10/20
Improvement To 1N4679 Control Rod Assembly Increases Range Of Adjustment For Rack
1982/10/20
Do Not Use A Wire Brush On Fuel Nozzles
1982/10/20
Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/15
Disconnect Fuel Lines And Install Caps Before Unit Injectors Are Removed
1983/02/16
Remove Plastic Plug From Fuel Transfer Pump
1983/04/27
Installation Procedure For Woodward 3161 and UG8 Governors
1983/07/06
Remanufactured Unit Injectors Are Available
1983/08/17
New Shafts Used In Fuel Injection Control Groups
1983/11/30
Inspect Camshaft And Lifters After A Failure In The Valve Mechanism Area
1984/01/18
Bolt Used Instead Of Stud In Governor Fastener Group To Prevent Damage To Governor Housing
1984/04/11
Quadrants Improved In Governor Control Groups
1984/07/11
Additional Information For Correct Fuel Injector Timing
1984/12/12
New Fuel Injector Assembly Reduces Smoke When Operating At Lower RPM And Load
1984/12/12
Improved Valve Mechanism Cover Group Has A New Valve Cover And Seal
1985/01/16
Low Oil Level In Governor Can Cause Erratic Engine RPM
1985/02/01
Tighten Bolts To Correct Torque In 3161 Governor
1985/02/01
Valve Mechanism Groups Use New Lifter Assemblies
1985/08/01
Repair Kits Available For Air Actuator Used In Governor Control Groups
1985/09/01
Engine Valve Lash And Fuel Injection Timing Adjustment Procedure
1985/09/01
A Water Separator Can Help Prevent Fuel Injector Damage If Fuel Is Contaminated With Water
1986/01/01
Lubricate Clamp When Installing Unit Injector Assemblies
1986/01/01
Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01
Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control
1986/04/01
Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle
1986/04/01
Optional Load Sharing Electric Governor Changed From 2301 to 2301A Woodward Governor
1986/06/01
How To Adjust Arming Pressure On Fuel Ratio Control On Caterpillar 3161 Governor
1986/06/01
Update Information For Caterpillar Fuel Injection Equipment Test Stand
1986/07/01
Improvements For Caterpillar 3161 Governors
1986/07/01
Fuel Injector Reference For 3500 Family Engines
1987/01/01
Fuel Ratio Control Diaphragms On 3161 Governors
1987/02/01
Improved Fuel Transfer Pump Cover; Weep Hole Moved
1987/03/01
New Washer Used In Fuel Transfer Pump Group
1987/04/01
Initial Start Of Engine Using An EGB29P Governor/Actuator After Filling With Oil
1987/05/01
Features And Servicing Of The Various Caterpillar 3161 Governors
1987/06/01
Fuel Injector Trim Bolt
1987/06/01
Additional Information For Installing Fuel Injectors
1988/06/01
Two 11 mm Injectors Available For Parts Service
1988/07/01
Replacement Fuel Injector Nozzles With New Nose Cones Available
1988/08/01
One-Piece Tappet (Follower) Used In 11 mm (Type 2) Fuel Injectors
1988/12/01
Check Valve Added To Fuel Injection Lines
1989/05/01
New Connector With An Orifice Added To Fuel Injection Lines Groups To Help Prevent Cavitation
1989/07/01
Improved Control Rod Assembly Used In Fuel Injection Control Groups
1989/08/01
New Fuel Injectors Available For Parts Service
1989/09/01
New Fuel Injector Assemblies Used
1989/10/01
Fuel Injector Reference For 3500 Family of Engines
1989/10/01
New 7C9580 Fuel Injector (Type 2) Available To Replace 2W5201 Fuel Injector (Type 1)
1990/06/01
Some Fuel Injectors May Be Used In Mixed Sets
1990/06/01
New, Longer Bolt Gives Better Retention To Fuel Injection Lines
1990/06/01
If Trim Screw On Unit Injector Is Loose, Injector Must Be Replaced
1990/09/01
New "On Engine" Adjustment Procedure For 3161 Woodward Governor
1990/10/01
Remanufactured Type 1 Fuel Injector Assembly Available For 3500 Family Of Engines Equipped With UG8 Governors
1991/04/01
Fuel Injection Pump Bushing Torque Increased
1991/04/01
Corrections For Systems Operation, Troubleshooting, And Specifications For 2301 Electric Governors For Generator Set And Industrial Engines, SENR2928-01
1991/05/01
New Speed Setting Clutch Group For 3161 Woodward Governors
1991/06/01
New Return Spring Used In Unit Injectors
1991/08/01
End Clearance Specification Changed For Front Shaft In Fuel Injection Control
1991/10/01
New And Remanufactured Fuel Injector Reference
1992/05/01
New And Remanufactured Fuel Injector Reference
1993/01/01
New Fuel Injector Group Help Reduce Plunger And Barrel Seizures
1993/05/01
New 3161 Governor With Improved Fuel Limiter
1993/09/01
Fuel Dilution In The Engine Oil{1290,1318}
1994/05/01
New Seals Extend Life of Fuel Transfer Pump{1256}
1994/11/01
Woodward Control Assemblies Have Changed Part Numbers To Provide The CE Marking For Electromagnetic Compatibility (EMC) Directives{1264}
1996/05/09
Caterpillar High Efficiency Fuel Filters Help Provide Maximum Fuel Pump And Fuel Injector Life {1261}
1996/09/23
Be Sure The Cylinder Head Bore For the Unit Injector Is Clean When the Unit Injector Is Replaced {1290}
1999/07/01
Tightening Torque Increased For Nuts In Fuel Injector Wiring Harness Cap Assembly{1408}
1999/09/01
Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13
Troubleshooting Engines with Mechanical Unit Injection (MUI) {1000, 1254}
2006/01/02
Do Not Reuse the Hold Down Bolts for the Fuel Injector {1290}
2006/05/29
Do not Use the 1U-6661 Pop Tester Gp to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/11/24
Do not Use the 1U-6661 Pop Tester Gp to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/11/24
Do not Use the 1U-6661 Pop Tester Gp or the 6V-4022 Fuel Injector Tester to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/12/01
Do not Use the 6V-4022 Fuel Injector Tester to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/12/01
Operation and Maintenance Manual
Fuel Injector - Inspect/Adjust
3500 Industrial and Generator Set Engines
Special Instruction
Installation of 2W8511 Cam Loading Spring{1264}
Installation of 2W8511 Cam Loading Spring{1264}
"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}
Installation of Service Replacement Woodward Governor Group{1264}
Installation of Service Replacement Woodward Governor Group{1264}
Nozzle Assembly Replacement for Type 2 Fuel Injectors{1254}
Nozzle Assembly Replacement for Type 2 Fuel Injectors{1254}
Installation and Adjustment of 3161 Governor on 3500 Family of Engines{1264}
Installation and Adjustment of 3161 Governor on 3500 Family of Engines{1264}
Spring Replacement for Type 2 Fuel Injectors{1250}
Spring Replacement for Type 2 Fuel Injectors{1250}
3500 Electronic Unit Injection (EUI) Fuel Priming Procedure{1250, 1258}
3500 Electronic Unit Injection (EUI) Fuel Priming Procedure{1250, 1258}
Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}
Installation Of 8N6414 Ether Starting Aid Group{1456}
Installation Of 8N6414 Ether Starting Aid Group{1456}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Installation Of 4W5391 Preregulator Box Assembly{1289}
Installation Of 4W5391 Preregulator Box Assembly{1289}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Testing Flat-Seat Fuel Injection Valves Using The 5P4150 Nozzle Testing Group{0782, 1254}
Performing a Multiple Cylinder Cutout Test {1290}
Performing a Multiple Cylinder Cutout Test {1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Parts to Replace in the Event of Hydraulic Lock or Piston to Valve Contact{1000, 1102, 1216, 1225, 1250, 1290}
Parts to Replace in the Event of Hydraulic Lock or Piston to Valve Contact{1000, 1102, 1216, 1225, 1250, 1290}
Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}
Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}
Service Letter-NACD
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Service Letter-Australia
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Service Letter-CFEL
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Service Letter-CSARL
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Service Letter-Americas
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Service Letter-Brazil
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Service Letter-Truck/Ag/Marine
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Specifications
Fuel Injector Mechanism
3500 Generator Set Engines
Service Letter-China
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Service Letter-Asia
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Systems Operation
Fuel Injector
3500 Engines
Fuel Injection Cycle
3500 Engines
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Service Letter-APD
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Remove Certain 0R0906, 0R1756, 0R1758, 0R2921, 0R2922, 0R2923, 0R2924, 0R2925, 0R3051, And 0R3052 Remanufactured Unit Injectors Used On 3500 Engines From Parts Stock
Testing and Adjusting
Crankshaft Position for Fuel Injector Adjustment and Valve Lash Setting
3500 Engines
Fuel Injector Timing
3500 Engines
Fuel Injector Synchronization
3500 Engines
Checking Engine Cylinders
3500 Engines
Disassembly and Assembly
Fuel Injector - Remove and Install
3508, 3512 and 3516 Generator Set Engines
Service Magazine
Remove Direct Injection Fuel Nozzles With 6V4061 And 6V4054 Nozzle Pullers{0621}
1981/05/18
Use 6V4172 Injector Sleeve When You Clean Fuel Injectors{0622,1250}
1981/07/06
New 6V4950 Injection Line Speed Pickup Group Used With 6V2100 Multitach{0651}
1982/05/03
Do Not Use A Wire Brush On Fuel Nozzles{1254}
1982/09/27
Bulged Capsule-Type Fuel Nozzles{1254}
1982/10/11
Service Parts Available For The 5P4150 Nozzle Testing Group{0651,0652}
1982/11/22
Disconnect Fuel Lines And Install Caps Before Unit Injectors Are Removed{1274,1254,1251}
1983/01/17
Remove Plastic Plug From Fuel Transfer Pump{1256}
1983/04/25
Installation Procedure For Woodward 3161 and UG8 Governors{1264}
1983/05/30
Remanufactured Unit Injectors Are Available{1290}
1983/07/11
Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07
New Shafts Used In Fuel Injection Control Groups{1257}
1983/11/21
Crankshaft Positions For Injector Timing And Valve Clearance Settings{0374,1104,1290}
1983/11/21
Bolt Used Instead Of Stud In Governor Fastener Group To Prevent Damage To Governor Housing {1264,1287}
1984/04/02
Quadrants Improved In Governor Control Groups{1265,1264}
1984/05/21
Additional Information For Correct Fuel Injector Timing{1290}
1984/11/19
New Fuel Injector Assembly Reduces Smoke When Operating At Lower RPM And Load{1251,1250}
1984/11/26
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Tighten Bolts To Correct Torque In 3161 Governor{1264}
1985/02/04
Rough Handling Can Move Droop Lever Out Of Position{1264}
1985/08/05
Engine Valve Lash And Fuel Injection Timing Adjustment Procedure {1100,1251}
1985/09/16
List Of Mechanical Service Meters For Earlier 3500 Series Engines Using Mechanical Service Meters{1286}
1985/09/23
Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28
A Water Separator Can Help Prevent Fuel Injector Damage If Fuel Is Contaminated With Water{1263,1250,1273}
1985/12/09
Lubricate Clamp When Installing Unit Injector Assemblies{1290}
1986/01/13
Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10
Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing{1253}
1986/03/10
Bleed Screw Washer (Seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle{1254}
1986/04/07
Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09
Improvements For Caterpillar 3161 Governors{1264}
1986/06/16
Update Information For Caterpillar Fuel Injection Equipment Test Stand{0782}
1986/06/16
Changes Have Been Made To OT Microfiche (Fuel Setting And Related Information){1250,1251,1281}
1986/06/16
More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22
Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03
New Tie Bars Improve Stability Of The Fuel Injection Test Bench{0652}
1977/01/17
Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14
With New 5P7448 Adapter, Earlier Fuel Injection Valves And Nozzles Can Be Tested And Adjusted On The 5P4150 Nozzle Testing Group{0651,1254}
1977/10/31
Fuel Injector Reference For 3500 Family Engines{1290}
1987/01/19
Improved Injector Clamp Eliminates Interference With Bridge {1290}
1987/03/09
Improved Fuel Transfer Pump Cover; Weep Hole Moved{1255}
1987/03/23
New Washer Used In Fuel Transfer Pump Group {1256}
1987/03/30
Fuel Injection Timing Adjustment{1250}
1987/04/20
Fuel Injector Trim Bolt {1257}
1987/06/01
Features And Servicing Of The Various Caterpillar 3161 Governors {1264,1278}
1987/06/01
Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24
New Drive Adapters For Fuel Injection Test Bench{0650}
1978/09/11
Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25
Adjustment Procedures And Lubrication Recommendations For Drive Pulleys On Caterpillar Fuel Injection Test Bench{0652}
1978/09/25
Caterpillar Fuel Injection Test Bench Book{0374}
1978/10/16
New FT2253 Cable Assembly Drawing Available For Kent-Moore Fuel Injection Test Bench{0782}
1988/01/04
Some Components Of The Variable Pulley And Adjustable Pulley On The Kent-Moore Fuel Injection Test Bench Are Available From Caterpillar{0782}
1988/04/18
Additional Information For Installing Fuel Injectors{1290,1257}
1988/06/13
Two 11 mm Injectors Available For Parts Service{1250,1290}
1988/06/20
Replacement Fuel Injector Nozzles With New Nose Cones Available{0706,1254,1290}
1988/07/25
New Rocker Arm Shaft Assembly and Bolts Used{1102}
1988/09/05
Digital Dial Indicator Simplifies Fuel Injection Timing Adjustment{0782,0760,1257,1290}
1988/11/07
One-Piece Tappet (Follower) Used In 11 mm (Type 2) Fuel Injectors{1290}
1988/11/21
Careful, Correct Installation And Maintenance Of Fuel Injection Lines Is Very Important To Prevent Possible Engine Damage, Fire And Other Problems{1252}
1979/04/23
9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28
Changes Made To 8S2243 And 8S4613 Wrenches Used On Fuel Injection Pumps{0612,1251}
1979/08/06
General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17
Check Valve Added To Fuel Injection Lines {1274}
1989/05/22
New Connector With An Orifice Added To Fuel Injection Lines Groups To Help Prevent Cavitation{1274}
1989/06/26
Improved Control Rod Assembly Used In Fuel Injection Control Groups{1298}
1989/07/24
New Fuel Injectors Available For Parts Service{1290}
1989/08/28
Fuel Injector Reference For 3500 Family Of Engines{1290}
1989/10/02
New Fuel Injector Assemblies Used{1290}
1989/10/16
Some Fuel Injectors May Be Used In Mixed Sets {1290}
1990/05/21
New, Longer Bolt Gives Better Retention To Fuel Injection Lines {1252}
1990/05/28
New 7C9580 Fuel Injector (Type 2) Available To Replace 2W5201 Fuel Injector (Type 1) {1290}
1990/06/11
New "On Engine" Adjustment Procedure For 3161 Woodward Governor {1264,0782}
1990/10/22
Field Replacement Of Spacer To Correct Possible Sticking In Woodward 3161 Governor Electric Shutoff Group{1264}
1990/11/19
Fuel Injection Pump Bushing Torque Increased {1253}
1991/04/01
Remanufactured Type 1 Fuel Injector Assembly Available For 3500 Family Of Engines Equipped With UG8 Governors {1254,1264}
1991/04/01
New Speed Setting Clutch Group For 3161 Woodward Governors{1265}
1991/05/20
New Return Spring Used In Unit Injectors {1290}
1991/07/22
End Clearance Specification Changed For Front Shaft In Fuel Injection Control{1251,1258}
1991/10/14
New And Remanufactured Fuel Injector Reference{1290}
1992/05/18
Modifying Former 2W8888 Rocker Arm Shaft For Use With New 8T7581 Rocker Arm Shaft Bolt{1102}
1992/12/21
New And Remanufactured Fuel Injector Reference {1290}
1993/01/18
New Fuel Injector Group Help Reduce Plunger And Barrel Seizures{1290}
1993/05/31
New 3161 Governor With Improved Fuel Limiter{1264}
1993/09/20
Fuel Dilution In The Engine Oil{1290,1318}
1994/05/16
Do Not Reuse the Hold Down Bolts for the Fuel Injectors On All Products that Contain C9 Through C32 Engines {1290}
2014/08/14

Caterpillar Parts SIS Catalog 3512 :

PUMP GP-FUEL INJECTION
8N-7724 PUMP GP-FUEL INJECTION
PANEL AS
1W-7207 PANEL AS
CONTROL GP-GOVERNOR
2W-0688 CONTROL GP-GOVERNOR
SHUTOFF & OIL FILLER GP
1W-8578 SHUTOFF & OIL FILLER GP
CONTROLET AS
1W-7209 CONTROLET AS
CAP AS
1W-7202 CAP AS
CASE AS
1W-7208 CASE AS
CONTROL GP-GOVERNOR
8N-2355 CONTROL GP-GOVERNOR
CONTROL GP-FUEL INJECTION
8N-7725 CONTROL GP-FUEL INJECTION
CONTROL GP-FUEL INJECTION
8N-7725 CONTROL GP-FUEL INJECTION
CONTROL GP-FUEL INJECTION
8N-7725 CONTROL GP-FUEL INJECTION
CONTROL GP-FUEL INJECTION
8N-7725 CONTROL GP-FUEL INJECTION
LINES GP-FUEL INJECTION
8N-7727 LINES GP-FUEL INJECTION
LINES GP-FUEL INJECTION
8N-7727 LINES GP-FUEL INJECTION
LINES GP-FUEL INJECTION
8N-7727 LINES GP-FUEL INJECTION
LINES GP-FUEL INJECTION
8N-7727 LINES GP-FUEL INJECTION

Truck sale:

Caterpillar 3512, mobile generator sets, Construction
230,416 
Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
Caterpillar 3512, mobile generator sets, Construction
230,416 
Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
 
238,453 
Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
Caterpillar 3512, mobile generator sets, Construction
178,974 
Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
Caterpillar 3512, mobile generator sets, Construction
178,974 
Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
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