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9Y-1873 PUMP GP-FUEL INJECTION S/N 70V34826-35204 PART OF 9Y-3918 PUMP GP-GOV & FUEL INJ 621E WHEEL TRACTOR


FUEL SYSTEM
PUMP GP-FUEL INJECTION
PUMP GP-FUEL PRIMING
FILTER GP-FUEL
PUMP GP-FUEL PRIMING
PUMP GP-FUEL TRANSFER
GOVERNOR GP
SHUTOFF GP-MECHANICAL

WHEEL TRACTOR 621E WHEEL TRACTOR 6AB
 621E Wheel Tractor-Scraper 6AB01428-UP (MACHINE) POWERED BY 3406 Engine SEBP2181 621E 6AB   (1986)

FUEL SYSTEM

PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4P-7681 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
7E-6006 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
9Y-1873 PUMP GP-FUEL INJECTION
PUMP GP-GOV & FUEL INJ
130-3048 PUMP GP-GOV & FUEL INJ
PUMP GP-GOV & FUEL INJ
9Y-3918 PUMP GP-GOV & FUEL INJ
PUMP GP-GOV & FUEL INJ
9Y-3918 PUMP GP-GOV & FUEL INJ
 

#SEBP21810210
 

9Y-1873: PUMP GP-FUEL INJECTION

9Y-1873 PUMP GP-FUEL INJECTION
S/N 70V34826-35204
PART OF 9Y-3918 PUMP GP-GOV & FUEL INJ
i00438558 SEBP2181
9Y1873 PUMP GP-FUEL INJECTION Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-3907 [1] HOUSING GP-FUEL PUMP  
2. 4F-2099 [1] DOWEL  
3. 1S-1953 [1] BEARING-RACK  
4. 9N-6668 [1] BUSHING  
5. 8N-2648 [1] BEARING-CAMSHAFT  
6. 9N-6667 [1] BUSHING  
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  
13. 4J-7533 [1] SEAL-O-RING  
14. 7N-7166 [2] RACE-THRUST BEARING  
15. 7L-3326 [1] BEARING-THRUST  
16. 9J-0114 [2] RACE-THRUST BEARING  
17. 7D-1189 [1] BEARING-THRUST  
18. 2W-9969 [1] RING-GUIDE  
19. 9Y-1872 [1] CAMSHAFT-FUEL PUMP  
20. 8N-9371 [1] COVER  
21. 4F-7957 [4] BOLT (1/4-20X0.875-IN)  
22. 1H-9696 [2] SEAL-O-RING  
23. 7C-6617 [6] BUSHING-TERMINAL  
24. 3J-7354 [2] SEAL-O-RING  
25. 8N-9374 [1] GASKET  
26. 7W-0683 [1] COVER-GALLERY  
27. 0S-1615 [14] BOLT (1/4-20X0.75-IN)  
28. 9S-4182 [2] PLUG (7/16-20-THD)  
29. 7E-4847 [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-RETAINING  
34. 2W-3414 [1] PLUNGER & BARREL AS  
35. 1W-0931 [6] LIFTER AS  
36. 8N-0672 [6] SPACER  
37. 1W-5785 [1] COVER  
38. 9S-8007 [2] PLUG  
39. 7J-0204 [2] SEAL-O-RING  
40. 9S-8003 [1] PLUG (1/2-20-THD)  
41. 1J-9671 [1] SEAL-O-RING  
 

#SEBP21810211
 

8N-3365: PUMP GP-FUEL PRIMING

8N-3365 PUMP GP-FUEL PRIMING
S/N 6AB1428-99999
PART OF 8N-5251 PUMP GP-FUEL PRM & PRIM FILTER
i00157299 SEBP2181
8N3365 PUMP GP-FUEL PRIMING Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-6350 [1] BASE AS-FUEL FILTER  
1A. 8N-0803 [1] BASE-FILTER  
1B. 7E-5346 [1] VALVE AS (FUEL CHECK)  
1C. 9S-8003 [2] PLUG (1/2-20-THD)  
1D. 1J-9671 [2] SEAL-O-RING  
2. 105-2508 [1] PUMP AS-FUEL PRIMING  
3. 7B-2742 [1] BOLT (1/4-20X1.25-IN)  
  5P-0537 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
4. 1B-7182 [1] BOLT (5/16-18X1.25-IN)  
  9M-1974 [1] WASHER-HARD (8.8X16X2-MM THK)  
5. 1P-0436 [1] GASKET (FUEL PRIMING PUMP)  
 

#SEBP21810212
 

8N-5251: PUMP GP-FUEL PRM & PRIM FILTER

8N-5251 PUMP GP-FUEL PRM & PRIM FILTER
S/N 6AB1428-99999
PART OF 4P-3804 INSTALLATION AR-ENGINE
i00157301 SEBP2181
8N5251 PUMP GP-FUEL PRM & PRIM FILTER Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-3365 Y [1] PUMP GP-FUEL PRIMING  
2. 8H-2807 [1] NUT (3/8-24-THD)  
3. 2J-0157 [1] SEAL-O-RING  
4. 1L-3769 [1] RING-RETAINING  
5. 8H-2778 [1] SEAL-RING (FUEL PRIMING PUMP)  
6. 7H-9678 [1] RETAINER-ELEMENT  
7. 7S-9323 [1] SPRING  
8. 2H-3429 [1] RING-RETAINING  
9. 8H-2810 [1] CASE AS-FILTER  
10. 9M-2341 [1] FILTER ELEMENT-WTR SEP & FUEL (STANDARD EFFICIENCY)(PRIMARY)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP21810213
 

1W-4279: PUMP GP-FUEL TFR & PRIMING

1W-4279 PUMP GP-FUEL TFR & PRIMING
S/N 6BB1235-99999
PART OF 8W-2110 PUMP GP-FUEL TFR & PRIMING
AN ATTACHMENT
i00156433 SEBP2181
1W4279 PUMP GP-FUEL TFR & PRIMING Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9737 [1] HOUSING-RECEPTACLE (14-GA TO 18-GA)  
2. 7N-7779 [1] SOCKET-CONNECTOR (14-GA TO 18-GA)  
3. 7N-7780 [1] PIN-CONNECTOR (14-GA TO 18-GA)  
4. 1W-8339 [1] CAN AS  
5. 6V-0417 [1] PLUG  
6. 1J-9671 [1] SEAL-O-RING  
7. 3B-4615 C [1] PIN-COTTER  
8. 1W-8611 [1] BASE-FUEL PRIMING PUMP  
9. 1W-8612 [1] BRACKET  
10. 6V-7412 C [3] SCREW-WASHER HEAD (22.2M LONG)  
    -OR-
  3N-1645 [3] SCREW-FORMING (5/16-18X1-IN)(25.4M LONG)  
11. 1W-9803 [1] CLAMP AS  
12. 6V-5721 [1] SEAL-RING  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP21810214
 

8W-2110: PUMP GP-FUEL TFR & PRIMING

8W-2110 PUMP GP-FUEL TFR & PRIMING
S/N 6BB1235-99999
AN ATTACHMENT
i00418485 SEBP2181
8W2110 PUMP GP-FUEL TFR & PRIMING Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-8535 [1] BOLT-LOCKING (3/8-16X0.875-IN)  
2. 5M-2894 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 8W-2745 I [1] HOSE AS  
4. 6V-8632 [2] CONNECTOR  
5. 3K-0360 [2] SEAL-O-RING  
6. 6V-9852 [2] ELBOW (SWIVEL)  
7. 1W-4279 Y [1] PUMP GP-FUEL TFR & PRIMING  
8. 7J-9108 [2] SEAL-O-RING  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  Y   SEPARATE ILLUSTRATION
 

#SEBP21810215
 

1W-1700: PUMP GP-FUEL TRANSFER

1W-1700 PUMP GP-FUEL TRANSFER
S/N 6AB1428-99999; 6BB1235-99999; 11N1-99999; 70V34826-99999
PART OF 2W-4381 PUMP & MTG GP-FUEL TRANSFER
i00121976 SEBP2181
1W1700 PUMP GP-FUEL TRANSFER Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-1698 [1] HOUSING-TRANSFER PUMP  
2. 1W-1699 [1] COVER  
3. 1W-5910 [1] GUIDE & TAPPET AS  
  7N-8821 [1] RING-RETAINING  
4. 6J-2419 [1] SEAL-O-RING  
5. 7E-2464 C [3] VALVE AS-CHECK (FUEL TRANSFER PUMP)  
6. 3D-2824 [1] SEAL-O-RING  
7. 6F-6672 [1] SEAL-O-RING  
8. 3D-2898 [1] SEAL-O-RING  
9. 5P-8215 [1] SEAL-O-RING  
10. 7W-0134 [1] SPRING-PUMP  
11. 8N-2637 [1] WASHER (21.3X29.5X1.6-MM THK)  
12. 7E-3667 C [1] SPACER (25.46X28.86X1.84-MM THK)  
13. 8N-2641 [1] SLEEVE  
14. 1W-1669 [1] PISTON  
15. 0S-1615 [2] BOLT (1/4-20X0.75-IN)  
16. 6D-8498 [2] SCREW-HEAD  
17. 8N-2640 [1] COVER  
18. 7E-4656 C [1] RETAINER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP21810216
 

130-3048: PUMP GP-GOV & FUEL INJ

130-3048 PUMP GP-GOV & FUEL INJ
S/N 6AB1428-99999; 6BB1235-99999
PART OF 321-6313, 321-6314, 321-6315, 321-6316 ENGINE AR
i00158416 SEBP2181
1303048 PUMP GP-GOV & FUEL INJ Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 111-9363 Y [1] PUMP GP-FUEL INJECTION  
2. 2D-6392 [1] SEAL-O-RING  
  5P-6620 [1] SEAL-O-RING  
  8N-6680 [1] SCREEN AS (GOV & FUEL INJ PUMP)  
3. 2N-2878 [1] SPRING  
4. 5H-6552 [1] SETSCREW-SOCKET (10-32X1.25-IN)  
  8L-5832 [1] NUT-HEX (10-32-THD)  
5. 8N-9382 [1] GASKET  
6. 124-5658 Y [1] CONTROL GP-FUEL RATIO  
7. 2W-5448 [1] COVER  
  7E-6785 [1] GASKET  
8. 2W-6660 Y [1] TORQUE CONTROL GP  
9. 2W-7325 Y [1] GOVERNOR GP  
10. 9Y-4913 Y [1] FASTENER GP-FUEL INJ PUMP  
11. 8N-3094 [1] SPRING-DETENT  
12. 033-5879 [1] SEAL-O-RING  
13. 8J-8343 [1] SEAL-O-RING  
14. 8M-8515 [1] SEAL-O-RING  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP21810217
 

9Y-3918: PUMP GP-GOV & FUEL INJ

9Y-3918 PUMP GP-GOV & FUEL INJ
S/N 70V34826-35204
PART OF 7E-3421 ENGINE AR
i00441632 SEBP2181
9Y3918 PUMP GP-GOV & FUEL INJ Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9Y-1873 Y [1] PUMP GP-FUEL INJECTION  
2. 5P-6620 [1] SEAL-O-RING  
  2D-6392 [1] SEAL-O-RING  
  8N-6680 [1] SCREEN AS  
3. 8L-9790 [1] SPRING  
4. 5H-6552 [1] SETSCREW-SOCKET (10-32X1.25-IN)  
  8L-5832 [1] NUT-HEX (10-32-THD)  
5. 8N-9382 [1] GASKET  
6. 7W-2831 Y [1] CONTROL GP-FUEL RATIO  
7. 2W-5448 [1] COVER  
  2W-5447 [1] GASKET  
8. 9Y-3494 Y [1] TORQUE CONTROL GP  
9. 2W-7325 Y [1] GOVERNOR GP  
10. 9Y-4913 Y [1] FASTENER GP-FUEL INJ PUMP  
11. 2W-9657 [1] SPRING-DETENT  
12. 033-5879 [1] SEAL-O-RING  
13. 8J-8343 [1] SEAL-O-RING  
14. 8M-8515 [1] SEAL-O-RING  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP21810218
 

9Y-3918: PUMP GP-GOV & FUEL INJ

9Y-3918 PUMP GP-GOV & FUEL INJ
S/N 11N1-99999; 70V35205-99999
PART OF 7E-3421 ENGINE AR
i00158355 SEBP2181
9Y3918 PUMP GP-GOV & FUEL INJ Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4P-1381 CY [1] PUMP GP-FUEL INJECTION  
2. 5P-6620 [1] SEAL-O-RING  
  2D-6392 [1] SEAL-O-RING  
  8N-6680 [1] SCREEN AS  
3. 8L-9790 [1] SPRING  
4. 5H-6552 [1] SETSCREW-SOCKET (10-32X1.25-IN)  
  8L-5832 [1] NUT-HEX (10-32-THD)  
5. 8N-9382 [1] GASKET  
6. 7W-2831 Y [1] CONTROL GP-FUEL RATIO  
7. 2W-5448 [1] COVER  
  2W-5447 [1] GASKET  
8. 9Y-3494 Y [1] TORQUE CONTROL GP  
9. 2W-7325 Y [1] GOVERNOR GP  
10. 9Y-4913 Y [1] FASTENER GP-FUEL INJ PUMP  
11. 2W-9657 [1] SPRING-DETENT  
12. 033-5879 [1] SEAL-O-RING  
13. 8J-8343 [1] SEAL-O-RING  
14. 8M-8515 [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP21810219
 

5T-1286: SHUTOFF GP-MECHANICAL

5T-1286 SHUTOFF GP-MECHANICAL
S/N 6AB1428-99999
PART OF 8X-1593 CHASSIS AR
i00393896 SEBP2181
5T1286 SHUTOFF GP-MECHANICAL Parts scheme
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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7T-9448 [1] CABLE AS  
  8C-4663 C [1] HANDLE  
2. 5T-7487 [1] BRACKET  
  8T-8908 C [2] BOLT (1/4-20X1-IN)  
3. 8W-0003 C [1] LEVER  
4. 6V-8918 C [1] BOLT (5/16-18X1.25-IN)  
5. 8T-4224 C [1] WASHER-HARD (8.8X16X2-MM THK)  
6. 1F-7567 [3] CLIP (LOOP)  
7. 9M-1311 C [1] NUT-JAM (1/4-28-THD)  
8. 8T-4205 C [3] WASHER-HARD (7.2X14.5X2-MM THK)  
9. 8W-0004 C [1] PIN  
10. 3B-4615 [2] PIN-COTTER  
11. 1A-8827 [1] PIN  
12. 7P-8288 [1] SPRING  
13. 5T-2711 [1] BRACKET  
14. 5M-3062 C [4] BOLT (3/8-16X0.75-IN)  
  8T-4896 C [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
15. 5T-2714 [1] PLATE  
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Truck Engine News
Policy on Testing of Fuel Injectors and Fuel Nozzles {1251}
2008/11/01
Do Not Use the 6V-4022 Fuel Injector Tester to Measure Unit Injector Fuel Flow Rate {0782, 1251, 1254, 1290, 1713}
2008/11/01
Engine News
Policy on Testing of Fuel Injectors and Fuel Nozzles {1251}
2008/11/17
The Pop (Injector) Tester Is not Available for Fuel Injectors {0782, 1251, 1254, 1290, 1713}
2008/11/17
Special Instruction
Test Sequence For Caterpillar 7000 Series Fuel Nozzles {1254}
Test Sequence For Caterpillar 7000 Series Fuel Nozzles {1254}
Tool Operating Manual
Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}
Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}
Using the TMI System to Retrieve Off Engine Injection Pump Test Specifications for the Fuel Injection Equipment Test Stand{0706, 0782, 1251, 1286}
Using the TMI System to Retrieve Off Engine Injection Pump Test Specifications for the Fuel Injection Equipment Test Stand{0706, 0782, 1251, 1286}
Testing and Adjusting Fuel Injection Pump and Governor on 3064 and 3066 Engines{0374, 0599, 0706}
Testing and Adjusting Fuel Injection Pump and Governor on 3064 and 3066 Engines{0374, 0599, 0706}
Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}
Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}
169-3374 Brass Injector Sleeve Removal Group for 3176 and 3176B Engines{0374, 0599, 0700, 0706}
169-3374 Brass Injector Sleeve Removal Group for 3176 and 3176B Engines{0374, 0599, 0700, 0706}
Service Magazine
The Procedure for the Removal of the Electronic Unit Injector has Changed. {1290}
2004/05/10
Do Not Reuse the Hold Down Bolts for the Fuel Injectors On All Products that Contain C9 Through C32 Engines {1290}
2014/08/14
Policy on Testing of Fuel Injectors and Fuel Nozzles {1251}
2008/11/17
Do Not Use the 6V-4022 Fuel Injector Tester to Measure Unit Injector Fuel Flow Rate {1251, 1254, 1290, 1713}
2008/11/17
The Pop (Injector) Tester Is not Available for Fuel Injectors {0782, 1251, 1254, 1290, 1713}
2008/11/17
Do not Use the 6V-4022 Fuel Injector Tester to Test Unit Injectors {0782, 1251, 1254, 1290, 1713}
2008/12/01

Caterpillar Parts SIS Catalog 621E :

PUMP GP-FUEL INJECTION
7E-6006 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4P-7681 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4P-1381 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4P-1381 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
4P-1381 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
111-9363 PUMP GP-FUEL INJECTION
PUMP GP-FUEL INJECTION
108-6633 PUMP GP-FUEL INJECTION
PUMP & MTG GP-FUEL TRANSFER
2W-4381 PUMP & MTG GP-FUEL TRANSFER
PUMP GP-FUEL PRIMING
8N-3365 PUMP GP-FUEL PRIMING
PUMP GP-FUEL PRM & PRIM FILTER
8N-5251 PUMP GP-FUEL PRM & PRIM FILTER
PUMP GP-FUEL TFR & PRIMING
1W-4279 PUMP GP-FUEL TFR & PRIMING
PUMP GP-FUEL TFR & PRIMING
8W-2110 PUMP GP-FUEL TFR & PRIMING
PUMP GP-FUEL TRANSFER
1W-1700 PUMP GP-FUEL TRANSFER
PUMP GP-GOV & FUEL INJ
130-3048 PUMP GP-GOV & FUEL INJ
PUMP GP-GOV & FUEL INJ
9Y-3918 PUMP GP-GOV & FUEL INJ
PUMP GP-GOV & FUEL INJ
9Y-3918 PUMP GP-GOV & FUEL INJ

Truck sale:

Caterpillar 621E, Construction
On Request 
Caterpillar 621E, Construction
- Scrapers
THOMPSON TRACTOR CO., INC.
 
30,000 
Caterpillar 621E, Construction
- Scrapers
ALTORFER INC.
Caterpillar 621E, Construction
 
Caterpillar 621E, Construction
- Scrapers
BERGERAT MONNOYEUR S.A.S.
France
Caterpillar 621E, Construction
 
Caterpillar 621E, Construction
- Scrapers
BERGERAT MONNOYEUR S.A.S.
France
Caterpillar 621E, Construction
 
Caterpillar 621E, Construction
- Scrapers
BERGERAT MONNOYEUR S.A.S.
France
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