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4W2549 PUMP GP-FUEL INJECTION TYPE 3. S/N 7FB1-55497 PART OF 1N3111, 4W3894, 4W2426, 4W2427, 4W3897, 4W3896, 7C0692, 7W8067 PUMPS 3406B


FUEL SYSTEM
PUMP GP-FUEL INJECTION
GOVERNOR GP

TRUCK ENGINE 3406B TRUCK ENGINE 4MG
 3406B TRUCK ENGINE - ALL EXCEPT FORD,PACCAR & FREIGHTLINER 4MG00001-03599 SEBP1450 3406B 4MG   (1987)

FUEL SYSTEM

PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4W-2549 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4W-2549 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4W-2549 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7C-2616 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7C-2616 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4W-2551 PUMP GP-FUEL INJECTION
 

#SEBP14500750
 

4W-2549: PUMP GP-FUEL INJECTION

4W2549 PUMP GP-FUEL INJECTION
TYPE 3. S/N 7FB1-55497
PART OF 1N3111, 4W3894, 4W2426, 4W2427, 4W3897,
4W3896, 7C0692, 7W8067 PUMPS
c407040 SEBP1450
4W2549 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-3907 [1] HOUSING AS-FUEL PUMP  
2. 4F-2099 [1] DOWEL  
3. 1S-1953 [1] BEARING-RACK  
4. 9N-6668 [1] BEARING-SLEEVE  
5. 8N-2648 [1] BEARING-CAMSHAFT  
6. 9N-6667 [1] BEARING-SLEEVE  
7. 8N-0654 [6] DOWEL  
8. 1W-3285 [1] BEARING-RACK  
9. 8N-3731 [6] PIN-LIFTER GUIDE  
10. 3H-0442 [6] SEAL-O-RING  
11. 8N-9367 [1] RACK-REGULATOR  
12. 9S-8001 [1] PLUG-O-RING  
13. 4J-7533 [1] SEAL-O-RING  
14. 7N-7166 [2] RACE-BEARING-THRUST  
15. 7L-3326 [1] BEARING-THRUST  
16. 9J-0114 [2] RACE-THRUST  
17. 7D-1189 [1] BEARING-THRUST  
18. 1W-4874 [1] RING-GUIDE  
19. 7W-3100 [1] CAMSHAFT-FUEL PUMP  
20. 8N-9371 [1] COVER  
21. 4F-7957 [4] BOLT  
22. 1H-9696 [2] SEAL-O-RING  
23. 6V-5135 [2] SETSCREW-SOCKET  
24. 3J-7354 [2] SEAL-O-RING  
25. 8N-9374 [1] GASKET  
26. 7W-0683 [1] COVER-GALLERY  
27. 0S-1615 [14] BOLT  
28. 9S-4182 [2] PLUG  
29. 6V-5393 [6] SEAL-O-RING  
30. 2W-3413 [6] PUMP GP-FUEL INJECTION  
    (EACH INCLUDES)
  2W-3409 [1] BONNET-VALVE  
31. 1W-6982 [1] VALVE AS-CHECK  
32. 8N-5993 [1] SPRING-FLOW CHECK  
33. 1N-3257 [1] RING-RETAINER  
34. 2W-3414 C [1] PLUNGER & BARREL AS  
35. 1W-0931 [6] LIFTER AS  
36. 8N-0672 [6] SPACER-FUEL PUMP TIMING  
37. 1W-5785 [1] COVER  
38. 9S-8007 [2] PLUG-O-RING  
39. 7J-0204 [2] SEAL-O-RING  
40. 9S-8003 [1] PLUG-O-RING  
41. 1J-9671 [1] SEAL-O-RING  
42. 7C-6617 C [6] BUSHING  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14500751
 

7C-2616: PUMP GP-FUEL INJECTION

7C2616 PUMP GP-FUEL INJECTION-PART 1 OF 2
PART OF 7C0692, 4W3894, 4W3897, 4W3896, 4W2427, 7W8067,
7C0183, 1N3111 PUMPS
c345707 SEBP1450
7C2616 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-3100 [1] CAMSHAFT-FUEL PUMP  
2. 6V-5135 [1] SETSCREW-SOCKET  
3. 1W-4874 [1] RING-GUIDE  
4. 1H-9696 [1] SEAL-O-RING  
5. 1W-5785 [1] COVER  
6. 9S-4182 [2] PLUG  
  3J-7354 [2] SEAL-O-RING  
7. 4F-7957 [2] BOLT  
8. 7W-3907 [1] HOUSING AS-FUEL PUMP  
9. 1W-3285 [1] BEARING-RACK  
10. 8N-0654 [6] DOWEL  
11. 8S-6814 [1] PIN  
12. 1S-1953 [1] BEARING-RACK  
13. 9N-6668 [1] BEARING-SLEEVE  
14. 8N-2648 [1] BEARING-CAMSHAFT  
15. 8N-3731 [6] PIN-LIFTER GUIDE  
16. 3H-0442 [6] SEAL-O-RING  
17. 9N-6667 [1] BEARING-SLEEVE  
18. 9J-0114 [2] RACE-THRUST  
19. 7D-1189 [1] BEARING-THRUST  
20. 7C-2568 [1] SCREEN AS  
21. 0S-1615 [14] BOLT  
22. 7W-0683 [1] COVER-GALLERY  
  8N-9374 [1] GASKET  
23. 9S-8001 [1] PLUG-O-RING  
  4J-7533 [1] SEAL-O-RING  
24. 8N-9367 [1] RACK-REGULATOR  
25. 9S-8007 [2] PLUG-O-RING  
  7J-0204 [2] SEAL-O-RING  
26. 7N-7166 [2] RACE-BEARING-THRUST  
  7L-3326 [1] BEARING-THRUST  
27. 9S-8003 [1] PLUG-O-RING  
  1J-9671 [1] SEAL-O-RING  
 

#SEBP14500752
 

7C-2616: PUMP GP-FUEL INJECTION

7C2616 PUMP GP-FUEL INJECTION-PART 2 OF 2
PART OF 7C0692, 4W3894, 4W3897, 7W8067, 4W3896, 4W2427,
7C0183, 1N3111 PUMPS
c496328 SEBP1450
7C2616 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-0672 [6] SPACER-FUEL PUMP TIMING  
2. 131-3719 [6] SEAL-O-RING  
3. 7C-6617 C [6] BUSHING  
4. 4F-7957 [2] BOLT  
5. 8N-9371 [1] COVER  
6. 1H-9696 [1] SEAL-O-RING  
7. 1W-0931 [6] LIFTER AS  
8. 2W-3413 [6] PUMP GP-FUEL INJECTION  
    (EACH INCLUDES)
  2W-3409 [1] BONNET-VALVE  
9. 1N-3257 [1] RING-RETAINER  
10. 1W-6982 [1] VALVE AS-CHECK  
11. 8N-5993 [1] SPRING-FLOW CHECK  
12. 2W-3414 C [1] PLUNGER & BARREL AS  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14500753
 

4W-2551: PUMP GP-FUEL INJECTION

4W2551 FUEL INJECTION PUMP GROUP-TYPE 1
SERIAL NO. 7FB1 TO 7FB55413 INCLUSIVE
PART OF 4W2428 GOVERNOR AND FUEL INJECTION PUMP
c339409 SEBP1450
4W2551 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-9364 [1] HOUSING AS-FUEL PUMP  
2. 8S-6814 [1] PIN  
3. 1S-1953 [1] BEARING-RACK  
4. 9N-6668 [1] BEARING-SLEEVE  
5. 8N-2648 [1] BEARING-CAMSHAFT  
6. 9N-6667 [1] BEARING-SLEEVE  
7. 8N-0654 [6] DOWEL  
8. 1W-3285 [1] BEARING-RACK  
9. 8N-3731 [6] PIN-LIFTER GUIDE  
10. 3H-0442 [6] SEAL-O-RING  
11. 8N-9367 [1] RACK-REGULATOR  
12. 9S-8001 [1] PLUG-O-RING  
13. 4J-7533 [1] SEAL-O-RING  
14. 7N-7166 [2] RACE-BEARING-THRUST  
15. 7L-3326 [1] BEARING-THRUST  
16. 9J-0114 [2] RACE-THRUST  
17. 7D-1189 [1] BEARING-THRUST  
18. 1W-4874 [1] RING-GUIDE  
19. 4W-3653 [1] CAMSHAFT-FUEL PUMP  
20. 8N-9371 [1] COVER  
21. 4F-7957 [4] BOLT  
22. 1H-9696 [2] SEAL-O-RING  
23. 6V-5135 [4] SETSCREW-SOCKET  
24. 3J-7354 [2] SEAL-O-RING  
25. 8N-9374 [1] GASKET  
26. 8N-9373 [1] COVER-GALLERY  
27. 2A-0762 [14] BOLT  
28. 9S-4182 [2] PLUG  
29. 4D-3107 [6] SEAL-O-RING  
30. 2W-3413 [6] PUMP GP-FUEL INJECTION  
    (EACH INCLUDES)
  2W-3409 C [1] BONNET-VALVE  
31. 1W-6982 [1] VALVE AS-CHECK  
32. 8N-5993 [1] SPRING-FLOW CHECK  
33. 1N-3257 [1] RING-RETAINER  
34. 8N-0656 [6] BUSHING  
35. 1W-0931 [6] LIFTER AS  
36. 8N-0672 [6] SPACER-FUEL PUMP TIMING  
37. 1W-5785 [1] COVER  
38. 9S-8007 [2] PLUG-O-RING  
39. 7J-0204 [2] SEAL-O-RING  
40. 9S-8003 [1] PLUG-O-RING  
41. 1J-9671 [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14500754
 

4W-2551: PUMP GP-FUEL INJECTION

4W2551 FUEL INJECTION PUMP GROUP-TYPE 2
SERIAL NO. 7FB1 TO 7FB55413 INCLUSIVE
PART OF 4W2428 GOVERNOR & FUEL INJECTION PUMP
c333866 SEBP1450
4W2551 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-3907 C [1] HOUSING AS-FUEL PUMP  
2. 8S-6814 [1] PIN  
3. 1S-1953 [1] BEARING-RACK  
4. 9N-6668 [1] BEARING-SLEEVE  
5. 8N-2648 [1] BEARING-CAMSHAFT  
6. 9N-6667 [1] BEARING-SLEEVE  
7. 8N-0654 [6] DOWEL  
8. 1W-3285 [1] BEARING-RACK  
9. 8N-3731 [6] PIN-LIFTER GUIDE  
10. 3H-0442 [6] SEAL-O-RING  
11. 8N-9367 [1] RACK-REGULATOR  
12. 9S-8001 [1] PLUG-O-RING  
13. 4J-7533 [1] SEAL-O-RING  
14. 7N-7166 [2] RACE-BEARING-THRUST  
15. 7L-3326 [1] BEARING-THRUST  
16. 9J-0114 [2] RACE-THRUST  
17. 7D-1189 [1] BEARING-THRUST  
18. 1W-4874 [1] RING-GUIDE  
19. 4W-3653 [1] CAMSHAFT-FUEL PUMP  
20. 8N-9371 [1] COVER  
21. 4F-7957 [4] BOLT  
22. 1H-9696 [2] SEAL-O-RING  
23. 6V-5135 [4] SETSCREW-SOCKET  
24. 3J-7354 [2] SEAL-O-RING  
25. 8N-9374 [1] GASKET  
26. 7W-0683 C [1] COVER-GALLERY  
27. 0S-1615 C [14] BOLT  
28. 9S-4182 [2] PLUG  
29. 4D-3107 [6] SEAL-O-RING  
30. 2W-3413 [6] PUMP GP-FUEL INJECTION  
    (EACH INCLUDES)
  2W-3409 C [1] BONNET-VALVE  
31. 1W-6982 [1] VALVE AS-CHECK  
32. 8N-5993 [1] SPRING-FLOW CHECK  
33. 1N-3257 [1] RING-RETAINER  
34. 8N-0656 [6] BUSHING  
35. 1W-0931 [6] LIFTER AS  
36. 8N-0672 [6] SPACER-FUEL PUMP TIMING  
37. 1W-5785 [1] COVER  
38. 9S-8007 [2] PLUG-O-RING  
39. 7J-0204 [2] SEAL-O-RING  
40. 9S-8003 [1] PLUG-O-RING  
41. 1J-9671 [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14500755
 

7C-3221: PUMP GP-FUEL INJECTION

7C3221 FUEL INJECTION PUMP GROUP-PART 1 OF 2
SERIAL NO. 7FB55414-UP & 4MG1-3599
PART OF 4W2428 GOVERNOR AND FUEL INJECTION PUMP
c510275 SEBP1450
7C3221 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-3103 [1] CAMSHAFT-FUEL PUMP  
2. 6V-5135 [1] SETSCREW-SOCKET  
3. 1W-4874 [1] RING-GUIDE  
4. 1H-9696 [1] SEAL-O-RING  
5. 1W-5785 [1] COVER  
6. 9S-4182 [2] PLUG  
  3J-7354 [2] SEAL-O-RING  
7. 4F-7957 [2] BOLT  
8. 4P-0987 [1] HOUSING AS-FUEL PUMP  
9. 1W-3285 [1] BEARING-RACK  
10. 8N-0654 [6] DOWEL  
11. 4F-2099 [1] DOWEL  
12. 1S-1953 [1] BEARING-RACK  
13. 9N-6668 [1] BEARING-SLEEVE  
14. 8N-2648 [1] BEARING-CAMSHAFT  
15. 8N-3731 [6] PIN-LIFTER GUIDE  
16. 3H-0442 [6] SEAL-O-RING  
17. 9N-6667 [1] BEARING-SLEEVE  
18. 9J-0114 [2] RACE-THRUST  
19. 7D-1189 [1] BEARING-THRUST  
20. 7C-2568 [1] SCREEN AS  
21. 0S-1615 [14] BOLT  
22. 7W-0683 [1] COVER-GALLERY  
  8N-9374 [1] GASKET  
23. 9S-8001 [1] PLUG-O-RING  
  4J-7533 [1] SEAL-O-RING  
24. 8N-9367 [1] RACK-REGULATOR  
25. 9S-8007 [2] PLUG-O-RING  
  7J-0204 [2] SEAL-O-RING  
26. 8E-5237 [2] RACE-THRUST  
  7L-3326 [1] BEARING-THRUST  
27. 9S-8003 [1] PLUG-O-RING  
  1J-9671 [1] SEAL-O-RING  
 

#SEBP14500756
 

7C-3221: PUMP GP-FUEL INJECTION

7C3221 FUEL INJECTION PUMP GROUP-PART 2 OF 2
SERIAL NO. 7FB55414-UP & 4MG1-3599
PART OF 4W2428 GOVERNOR AND FUEL INJECTION PUMP
c510276 SEBP1450
7C3221 PUMP GP-FUEL INJECTION Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-0672 [6] SPACER-FUEL PUMP TIMING  
2. 6J-2419 [6] SEAL-O-RING  
3. 7C-6617 C [6] BUSHING  
4. 4F-7957 [2] BOLT  
5. 8N-9371 [1] COVER  
6. 1H-9696 [1] SEAL-O-RING  
7. 7E-6011 [6] LIFTER AS  
8. 2W-3413 [6] PUMP GP-FUEL INJECTION  
    (EACH INCLUDES)
  2W-3409 [1] BONNET-VALVE  
9. 1N-3257 [1] RING-RETAINER  
10. 1W-6982 [1] VALVE AS-CHECK  
11. 8N-5993 [1] SPRING-FLOW CHECK  
12. 2W-3414 C [1] PLUNGER & BARREL AS  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14500757
 

7C-6576: GOVERNOR GP

7C6576 GOVERNOR GP-PART 1 OF 3
PART OF 7C6575 PUMP-GOVERNOR & FUEL INJECTION
c410312 SEBP1450
7C6576 GOVERNOR GP Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-4272 [1] NUT-SEALING  
2. 4B-2049 [1] NUT  
3. 5H-6552 [1] SETSCREW-SOCKET  
4. 8N-3956 [1] BLOCK AS-STOP  
  8N-3303 [1] DOWEL  
5. 1W-4243 [1] SPRING-BUMPER  
6. 7W-5836 [1] BOLT AS-STOP  
7. 6D-3897 [1] BOLT  
8. 6L-5551 [2] BOLT-SOCKET HEAD  
9. 4N-8445 [1] BOLT  
10. 7N-2594 [1] SETSCREW-SLOTTED  
11. 1N-3935 [1] COVER  
  8N-3765 [1] GASKET  
12. 3P-0009 [1] INSULATOR-STUD  
13. 6V-5029 [1] SEAL-LIP TYPE  
14. 8N-3762 [1] COVER  
  8N-3763 [1] GASKET  
15. 2N-5919 [2] BOLT  
16. 9S-8003 [2] PLUG-O-RING  
  1J-9671 [2] SEAL-O-RING  
17. 1N-3887 [1] SETSCREW-SOCKET  
18. 5B-3180 [1] NUT  
19. 8N-3256 [1] COLLAR-LOAD STOP  
 

#SEBP14500758
 

7C-6576: GOVERNOR GP

7C6576 GOVERNOR GP-PART 2 OF 3
PART OF 7C6575 PUMP-GOVERNOR & FUEL INJECTION
c410313 SEBP1450
7C6576 GOVERNOR GP Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2M-7819 [2] RING-RETAINING  
2. 4N-0432 [1] BALL BEARING  
3. 2W-2216 [1] SPRING-LINK  
4. 1N-3800 [1] SLEEVE-RACK CONTROL  
5. 031-0216 [3] BOLT  
6. 8N-9678 [1] PISTON AS-SERVO  
  7C-0790 C [1] CYLINDER AS  
  8N-3757 [1] LEVER-CONTROL  
  3G-3835 [1] PIN  
  8N-2505 [1] VALVE-GOVERNOR SERVO  
  7W-0250 [1] SLEEVE  
7. 5P-9757 [1] SEAL-O-RING  
8. 1W-4098 [1] PISTON-GOVERNOR SERVO  
9. 1N-3802 [1] SEAT-SPRING  
10. 1S-5440 [4] DOWEL  
11. 7M-7219 [1] BEARING-THRUST  
12. 5P-9087 [4] BOLT-12 POINT HEAD  
13. 4N-9019 [1] DOWEL  
14. 8N-2510 [1] SHAFT-WT CARRIER  
15. 4N-2953 [1] RING-LOCK  
16. 4N-2927 [2] RACE-BEARING THRUST  
17. 7W-2707 C [1] CARRIER-WEIGHT  
18. 7N-7264 [4] WEIGHT-GOVERNOR  
19. 3K-5733 [1] SPRING  
20. 8N-9680 [1] HOUSING AS-GOVERNOR  
  8S-6814 [4] PIN (LONG)  
  4F-6024 [2] PIN (SHORT)  
21. 4W-6868 [1] RISER-GOVERNOR  
22. 7N-7270 [2] SLEEVE-SPRING  
23. 7W-4068 [1] DASHPOT AS-GOVERNOR  
  7W-4067 [1] SPRING  
  7N-7268 [1] SEAT-SPRING  
  1N-3861 [1] SHIELD-GOVERNOR SPRING  
  4N-6408 [1] PISTON AS  
  4N-6407 [1] SPOOL-DASHPOT  
  4N-6406 [1] RING-SPACER  
  4N-6404 [1] RING-RETAINING  
24. 2P-9556 [1] WASHER  
  2N-0828 [2] WASHER  
25. 6N-3504 [1] SEAT-GOVERNOR SPRING  
26. 7N-8821 [2] RING-RETAINING  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14500759
 

7C-6576: GOVERNOR GP

7C6576 GOVERNOR GP-PART 3 OF 3
PART OF 7C6575 PUMP-GOVERNOR & FUEL INJECTION
c410314 SEBP1450
7C6576 GOVERNOR GP Parts scheme
  For full view, you need register

Parts for your 3406B TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-5342 [1] LEVER-SHUT-OFF  
2. 7W-5330 [1] LEVER & PISTON GP  
3. 7W-5422 [1] LEVER AS-ROD  
  7W-4253 [1] PISTON  
  7W-5331 [1] SPRING  
  2H-3429 [1] RING-RETAINING  
4. 7W-4254 [1] LEVER AS  
5. 6V-6835 [1] SETSCREW-SOCKET  
  8L-5832 [1] NUT-HEX  
6. 5H-6552 [1] SETSCREW-SOCKET  
  4B-2049 [1] NUT  
7. 7W-4252 [1] SHAFT  
8. 0S-1588 [1] BOLT  
9. 8N-3760 [1] COVER  
  8N-3761 [1] GASKET  
  030-9615 [4] SCREW-NYLOK  
10. 7W-4182 [1] BODY-VALVE  
  5F-9144 [1] SEAL-O-RING  
11. 1W-5337 [1] SHAFT AS-CONTROL  
12. 2M-7819 [1] RING-RETAINING  
13. 2W-0800 [1] LEVER-SHUT-OFF  
14. 2W-0799 [1] SPRING-SHUT-OFF  
15. 2W-0801 [1] SHAFT  
16. 4N-5484 [1] VALVE-NEEDLE  
  6H-9691 [1] SEAL-O-RING  
17. 8N-9384 [1] GASKET  
18. 5H-2532 [1] KEY-WOODRUFF  
19. 2W-6102 [1] LEVER-SPRING SEAT  
20. 1W-3961 [1] SPACER  
21. 7W-7545 [1] HOUSING AS-GOVERNOR  
  9S-4180 [1] PLUG-O-RING  
  4J-7533 [1] SEAL-O-RING  
22. 8N-2499 [1] GUIDE-SPRING  
23. 3D-8317 [1] RING-RETAINING  
24. 4N-0260 [1] SEAL-LIP TYPE  
25. 8T-2604 [1] SEAL-LIP TYPE  
26. 8N-3945 [1] BUSHING  
27. 8S-7803 [1] RING-RETAINING  
 

Information:

Truck Engine News
New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group
1982/01/13
Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine
1982/03/31
Do Not Use A Wire Brush On Fuel Nozzles
1982/09/29
New Fuel Nozzle Test Sheet Available
1982/10/27
Bulged Capsule-type Fuel Nozzles
1982/10/27
Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/08
New Valve Assembly And Seal Used In Fuel Transfer Pump
1984/05/23
Valve Springs Must Be Removed Before Fuel Injection Nozzle Adapter Assembly Is Removed
1984/06/27
New Cylinder Heads, Fuel Nozzles And Fuel Nozzle Adapters Used
1984/11/07
Bonnet Of Fuel Injection Pump Group Now Serviced Separately
1984/12/17
Governor Flyweight Shield No Longer Used In New Scroll Fuel Systems
1985/01/01
New Tools Available To Service Fuel Injection Nozzles And Adapters
1985/01/01
Internal Seals In 7000 Series Fuel Injection Nozzles Cannot Be Replaced
1985/03/01
New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles
1985/04/01
Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage
1985/07/01
Special Instruction Available To Salvage Governor Housing
1985/07/01
Thread Lock Now Used On Timing Advance Bolts
1985/08/01
Check Fuel Injection Nozzles In Overheated Engines
1985/09/01
Fuel Transfer Pump Improved
1985/10/01
Special Bolts Help Prevent Unauthorized Modification Of Fuel System And Governor Settings
1985/11/01
Check Fuel Injection Replacement Pump Installation
1985/11/01
New 8T2998 Lubricant Available
1986/02/01
Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01
Bleed Screw Washer (seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle
1986/04/01
FT Tooling Prints Available For Bushing Installation In Governor Housing
1986/06/01
New Material Used For Disc In Valve Assemblies In Fuel Transfer Pump Groups
1986/08/01
Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed
1986/09/01
Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles
1986/10/01
Orifice Screen Assembly Now Used For The Timing Advance Mechanism
1986/11/01
New Torque Control Group Used In Governor And Fuel Injection Pump Group
1986/12/01
Improved Retaining Bushing In Fuel Injection Pump
1986/12/01
Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines
1987/11/01
Improved Valve Mechanism Cover Groups
1987/12/01
Former Exhaust Valve Bridge For Jacobs Brake ® Interferes With 40 mm Nozzle Adapter; New Bridge Used
1988/04/01
Improved Locknut In Timing Advance On Fuel Pump And Governor Drive Group
1988/07/01
New Bleed Screw Used On 7000 Series Fuel Injection Nozzles
1989/03/01
New Valve Assembly And Washer Used In Fuel Transfer Pump Group
1990/01/01
New Valve Assembly And Spacer Used In Fuel Transfer Pump Group
1990/05/01
Fuel Injection Pump Bushing Torque Increased
1991/04/01
Fuel Nozzle Orifice Erosion
1991/08/01
Use 7E5888 Fuel Injection Pump Housing As A Service Replacement For Pre 1991 Fuel Injection Pump Housings
1991/09/01
Use 7E5888 Fuel Injection Pump Housing As A Service Replacement For Pre 1991 Fuel Injection Pump Housings
1992/01/01
1P8116 O-Ring Seal Available To Service Unit Injectors{1290}
1992/02/01
Identification Of Remanufactured Direct Injection Fuel Nozzles (DlFN)
1992/04/01
Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks
1992/08/01
New Fuel Injection Pump Groups Have Larger Diameter Camshaft Bores, New Lifter Assembly, And Shorter Plunger And Barrel Assembly.
1992/09/01
3406 Truck Engine Component Update
1992/10/01
Summery Of Changes To Timing Advance Drive Groups
1993/05/01
Fuel Injection Pump Improvements{1251}
1994/01/01
Fuel Injection Pump Improvements{1251}
1994/04/22
Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles {1254}
1994/05/31
Procedure For Lapping Sealing Surfaces Of Fuel Injection Pump Barrels And Bonnets{1251}
1994/06/24
Fuel Injection Nozzle Spray Orifice Plugging{1254}
1994/07/01
Governors Now Use New Low Mass Weight Carrier{1272}
1995/03/01
Identifying Fuel Injection Pump Check Valves For Compliance With Current Emissions Requirements {1251}
1995/04/01
Tamper Resistant Plugs And Tamper Resistant Bolts Used To Prevent Changes To Air Fuel Ratio Control (AFRC) Setting{1278,1287}
1996/01/23
Governor Spring Guide Press Depth{1287,1284}
1996/01/23
Fuel Injection Pump Barrel Sealing Face Reconditioning{1251}
1996/03/27
New O-Ring Seals Used On "Through-Head-Adapter" And "Internal Fuel Lines" In Fuel Injection Lines Groups{1252}
1996/10/01
Fuel Injection Pump Bushings Have New Groove Adjacent To Load Ring {1251}
1996/11/01
Improved Bushing O-Ring Seal Available For Injection Pump Groups{1251}
1997/02/24
Summary Of Changes To Timing Advance Drive Groups (Update){1272}
1997/02/24
New Fuel Line Support Brackets Help Eliminate Vibration{1252}
1997/11/18
Troubleshooting Engines with Mechanical Unit Injection (MUI) {1290, 7569}
2006/02/01
Do Not Reuse the Hold Down Bolts for the Fuel Injector {1290}
2007/07/01
The Edge Filter Is Now Removed from Fuel Nozzles {1254, 1290}
2009/04/01
Do not Use the 6V-4022 Fuel Injector Tester to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/12/01
Do not Use the 1U-6661 Pop Tester Gp to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/12/01
Engine News
Use New Adapter To Make Tests Of 9L6884 Nozzles
1979/05/09
Improved Bushing O-Ring Seal Available For Injection Pump Groups{1251}
1997/03/01
Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13
Timing Dimension For Fuel Injection Pumps Changed; 1P7410 Timing Plates Have More Exact Degree Marks
1978/05/03
Special Instruction
Use of 6V6070 Governor Adjusting Tool Group{1250}
Use of 6V6070 Governor Adjusting Tool Group{1250}
"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 8N3945 Bushing In 8N9679 Governor Housing{1287}
Installation Of 8N3945 Bushing In 8N9679 Governor Housing{1287}
Wiring Polarity on Woodward 2301 Governors{1289}
Wiring Polarity on Woodward 2301 Governors{1289}
Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}
Replacement For The 2M4314 Fuel Pump Bonnet Retaining Bushing{1250}
3406 New Scroll Fuel System (NSFS) Camshaft Plugs{1110}
3406 New Scroll Fuel System (NSFS) Camshaft Plugs{1110}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
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}
7000 Series Nozzles{0782}
7000 Series Nozzles{0782}
Test Sequence For Caterpillar 7000 Series Fuel Nozzles {1254}
Test Sequence For Caterpillar 7000 Series Fuel Nozzles{1254}
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}
Service Letter-NACD
The Governor Rack Servo Cylinder Assembly Needs To Be Replaced On Certain 3306B And 3406B Truck Engines
The Governor Rack Servo Cylinder Assembly Needs To Be Replaced On Certain 3306B And 3406B Truck Engines
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-Truck/Ag/Marine
Technical Information Bulletin
Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles
Valve Bonnets with Insufficient Hardness
Valve Bonnets with Insufficient Hardness
Specifications
Fuel Injection Nozzle And Adapter (Earlier)
3406B DIESEL TRUCK ENGINE
Fuel Injection Nozzle And Adapter (Later)
3406B DIESEL TRUCK ENGINE
Fuel Transfer Pump
3406B DIESEL TRUCK ENGINE
Fuel Injection Pump<BR> Engines With Serial Numbers 7FB1-Up, 4MG1-Up, And 5KJ1-Up
3406B DIESEL TRUCK ENGINE
Fuel Injection Pump<BR> Engines With Serial Numbers 3ZJ1-Up
3406B DIESEL TRUCK ENGINE
Fuel Injection Pump Housing
3406B DIESEL TRUCK ENGINE
Governor
3406B DIESEL TRUCK ENGINE
Governor Control Linkage
3406B DIESEL TRUCK ENGINE
Governor And Fuel Pump Drive Group (Earlier)<BR> (Automatic Timing Advance Unit)
3406B DIESEL TRUCK ENGINE
Governor And Fuel Pump Drive Group (Later)<BR> (Automatic Timing Advance Unit)
3406B DIESEL TRUCK ENGINE
Service Letter-China
The Governor Rack Servo Cylinder Assembly Needs To Be Replaced On Certain 3306B And 3406B Truck Engines
The Governor Rack Servo Cylinder Assembly Needs To Be Replaced On Certain 3306B And 3406B Truck Engines
Service Letter-Asia
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Service Letter-APD
The Governor Rack Servo Cylinder Assembly Needs To Be Replaced On Certain 3306B And 3406B Truck Engines
The Governor Rack Servo Cylinder Assembly Needs To Be Replaced On Certain 3306B And 3406B Truck Engines
Disassembly and Assembly
Fuel Injection Line Adapters
3406B DIESEL TRUCK ENGINE
Fuel Transfer Pump
3406B DIESEL TRUCK ENGINE
Automatic Timing Advance 7FB1-Up, 4MG1-4MG3599
3406B DIESEL TRUCK ENGINE
Fuel Injection Pump Housing And Governor
3406B DIESEL TRUCK ENGINE
Governor
3406B DIESEL TRUCK ENGINE
Fuel Injection Pumps
3406B DIESEL TRUCK ENGINE
Fuel Injection Pump Housing
3406B DIESEL TRUCK ENGINE
Rocker Shaft Assemblies
3406B DIESEL TRUCK ENGINE
Fuel Injection Nozzles (Earlier)
3406B DIESEL TRUCK ENGINE
Fuel Injection Nozzle Adapters (Earlier)
3406B DIESEL TRUCK ENGINE
Fuel Injection Nozzles And Adapters (Later)
3406B DIESEL TRUCK ENGINE
Service Magazine
Some Test Procedures And Specifications Changed For 9L6884 Fuel Injection Nozzle Assemblies{1254,0651}
1980/09/29
Improvements To Optional Modification Of 5P4150 Nozzle Tester{0651,1254}
1981/08/17
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
New Fuel Nozzle Test Sheet Available{0651,1254}
1982/10/04
Bulged Capsule-Type Fuel Nozzles{1254}
1982/10/11
Service Parts Available For The 5P4150 Nozzle Testing Group{0651,0652}
1982/11/22
Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07
Fuel Setting And Air Fuel Ratio Control Adjustment Tools For 3406B Engines{0650,1264,1257,1278}
1984/03/26
New Valve Assembly And Seal Used In Fuel Transfer Pump{1256}
1984/05/14
Valve Springs Must Be Removed Before Fuel Injection Nozzle Adapter Assembly Is Removed{1106}
1984/06/11
Change To Maintenance Interval For Valve Lash Adjustment{1105,1102}
1984/09/03
New Cylinder Heads, Fuel Nozzles And Fuel Nozzle Adapters Used{1101,1106}
1984/10/29
Bonnet Of Fuel Injection Pump Group Now Serviced Separately{1251,1250}
1984/12/10
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
New Tools Available To Service Fuel Injection Nozzles And Adapters {0706,1254}
1985/01/14
Internal Seals In 7000 Series Fuel Injection Nozzles Cannot Be Replaced{1254}
1985/03/18
New Compression Washers (Gas Seals) Used On 7000 Series Fuel Injection Nozzles{1254,1250}
1985/04/01
Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage{1252}
1985/07/15
Location Of 6V5135 Setscrews In Fuel Pump Group{1250}
1985/08/12
Thread Lock Now Used On Timing Advance Bolts{1272}
1985/08/12
Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02
Fuel Transfer Pump Improved{1256}
1985/10/14
Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28
Check Fuel Injection Replacement Pump Installation{1251,1253,1257}
1985/10/28
Special Bolts Help Prevent Unauthorized Modification Of Fuel System And Governor Settings{1250,1264,1278,1287}
1985/11/11
Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings{1251}
1985/11/11
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
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
New Material Used For Disc In Valve Assemblies Of Fuel Transfer Pump Groups{1256}
1986/09/01
More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22
Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles{1254,1250}
1986/09/29
Orifice Screen Assembly Now Used For The Timing Advance Mechanism{1251,1272,1288,1292}
1986/10/20
Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03
Improved Retaining Bushing In Fuel Injection Pump {1251,1250}
1986/12/01
New Torque Control Group Used In Governor And Fuel Injection Pump Group{1264}
1986/12/22
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
New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters {1281,1250}
1987/09/28
Probable Causes Of Low Fuel Delivery During Testing On Fuel Injection Test Benches{0650,1250}
1978/02/06
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
New 1U8271 Timing Advance Holding Tool Available{0766}
1988/02/22
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
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
Fuel Injection Line For Injection Test Bench Is Available From Caterpillar{0652,1250}
1979/07/02
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
New Bleed Screw Used On 7000 Series Fuel Injection Nozzles{1254}
1989/03/06
Be Sure To Tighten Fuel Injection Line Clamps To The Correct Torque{1252}
1989/09/11
New Valve Assembly And Washer Used In Fuel Transfer Pump Group{1256}
1989/12/25
New Valve Assembly And Spacer Used In Fuel Transfer Pump Group {1256}
1990/05/21
Fuel System Parts Information{1251,1264,1250}
1991/09/02
Fuel Nozzle Orifice Erosion{1254,1250}
1991/09/02
Use 7E5888 Fuel Injection Pump Housing As A Service Replacement For Pre 1991 Fuel Injection Pump Housings{1253}
1991/09/30
Use 7E5888 Fuel Injection Pump Housing As A Service Replacement For Pre 1991 Fuel Injection Pump Housings{1253}
1992/01/20
1P8116 O-Ring Seal Available To Service Unit Injectors{1290}
1992/02/24
Identification Of Remanufactured Direct Injection Fuel Nozzles (DIFN){1254}
1992/04/20
Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks{1201,1253}
1992/08/31
New Fuel Injection Pump Groups Have Larger Diameter Camshaft Bores, New Lifter Assembly, And Shorter Plunger And Barrel Assembly{1251,1253,1281,1292}
1992/09/21
3406 Truck Engine Component Update{1052,1119,1201,1202,1205,1214,1218,1254,1288,1803}
1992/10/26
Summary Of Changes To Timing Advance Drive Groups{1272}
1993/05/24
Camshaft Lobe Surface Finish Improved; Camshaft Drive Gear Installation Procedure {1209,1210,1212}
1993/09/13
Fuel Injection Pump Improvements{1251}
1994/02/07
Date Code On 7000 Series Fuel Injection Nozzles; New Seals Used In 7000 Series Fuel Injection Nozzles{1254}
1994/05/23
Do Not Reuse the Hold Down Bolts for the Fuel Injectors On All Products that Contain C9 Through C32 Engines {1290}
2014/08/14
Do not Use the 1U-6661 Pop Tester Gp to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/12/08

Caterpillar Parts SIS Catalog 3406B :

PUMP GP-FUEL INJECTION
4W-2549 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4W-2549 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7C-3222 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7C-3222 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7L-0007 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7L-0007 PUMP GP-FUEL INJECTION
GOVERNOR GP
1N-3110 GOVERNOR GP
GOVERNOR GP
1N-3110 GOVERNOR GP
PUMP GP-FUEL INJECTION
7C-2616 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7C-2616 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4W-2551 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4W-2551 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7C-3221 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7C-3221 PUMP GP-FUEL INJECTION
GOVERNOR GP
7C-6576 GOVERNOR GP
GOVERNOR GP
7C-6576 GOVERNOR GP

Truck sale:

1990 CAT 3406B
USD $25,000 
1990 CAT 3406B

Power Generation Enterprises Inc.
North Hollywood, California
1991 CAT 3406B
USD $22,000 
1991 CAT 3406B

Ransome CAT
Bensalem, Pennsylvania
1989 CAT 3406B
USD $35,000 
1989 CAT 3406B

Worldwide Power Products LLC
Houston, Texas
1988 CAT 3406B
USD $29,000 
1988 CAT 3406B

Ransome CAT
Bensalem, Pennsylvania
CATERPILLAR 3406B 1988
$29,000 USD 
CATERPILLAR 3406B 1988
- MARINE - PROPULSION
RANSOME ENGINE POWER
United States
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