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125-3428 DRIVE GP-UNIT INJ HYD PUMP S/N 99C9902-UP PART OF 225-0397 ENGINE AR 631E WHEEL TRACTOR


FUEL SYSTEM
PUMP GP-UNIT INJECTOR HYD
PUMP GP-FUEL INJECTION
FILTER GP-FUEL
GOVERNOR GP
PUMP GP-FUEL TRANSFER

WHEEL TRACTOR 631E WHEEL TRACTOR 3ND
 631E Series II Wheel Tractor/Scraper 3ND00523-UP (MACHINE) POWERED BY 3408 Engine SEBP2028 631E 3ND   (1986)

FUEL SYSTEM

PUMP GP-UNIT INJECTOR HYD
DRIVE GP-UNIT INJ HYD PUMP
125-3428 DRIVE GP-UNIT INJ HYD PUMP
DRIVE GP-UNIT INJ HYD PUMP
180-6649 DRIVE GP-UNIT INJ HYD PUMP
KIT-SEAL
138-6256 KIT-SEAL
LINES GP-INJECTOR HYD PUMP
121-4034 LINES GP-INJECTOR HYD PUMP
PUMP & MTG GP-UNIT INJ HYD
126-7292 PUMP & MTG GP-UNIT INJ HYD
PUMP GP-UNIT INJECTOR HYD
201-4201 PUMP GP-UNIT INJECTOR HYD
 

#SEBP20280250
 

125-3428: DRIVE GP-UNIT INJ HYD PUMP

125-3428 DRIVE GP-UNIT INJ HYD PUMP
S/N 99C9902-UP
PART OF 225-0397 ENGINE AR
i01324082 SEBP2028
1253428 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 180-6649 CY [1] DRIVE GP-UNIT INJ HYD PUMP  
2. 6V-3549 [1] SEAL-O-RING  
3. 5P-0076 [4] BOLT-12 POINT HEAD (3/8-16X1.5-IN)  
4. 161-9925 Y [1] SENSOR GP-PRESSURE (ATMOSPHERIC) (TURBO INLET)  
5. 5M-2894 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
7. 6V-5049 [1] SEAL-O-RING  
8. 118-6335 [1] PIN  
9. 6V-4589 [1] SEAL-O-RING  
10. 5P-9890 [2] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP20280251
 

180-6649: DRIVE GP-UNIT INJ HYD PUMP

180-6649 DRIVE GP-UNIT INJ HYD PUMP
S/N 99C9902-UP
PART OF 125-3428 DRIVE GP-UNIT INJ HYD PUMP
i01324077 SEBP2028
1806649 DRIVE GP-UNIT INJ HYD PUMP Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 180-6645 [1] SHAFT AS  
  3S-6605 [1] PLUG-CUP  
2. 150-2392 [1] PLATE-THRUST  
3. 180-6646 [1] GASKET  
4. 180-6647 [1] HOUSING AS  
4A. 2H-1190 [2] DOWEL  
4B. 162-0151 [1] BUSHING  
4C. 162-0152 [1] BUSHING  
5. 162-0161 [1] HOUSING AS  
5A. 2A-3746 [1] PLUG-CUP  
5B. 162-0150 [1] BUSHING  
5C. 162-0151 [1] BUSHING  
6. 125-5835 [1] PLUG-FELT  
7. 1B-9575 [4] BOLT (5/16-18X1.56-IN)  
8. 0S-1618 [2] BOLT (5/16-18X1-IN)  
9. 9N-0869 [2] WASHER-HARD (8.8X25.5X2-MM THK)  
10. 9S-8004 [1] PLUG (9/16-18-THD)  
11. 6V-5049 [1] SEAL-O-RING  
12. 1D-4541 [2] BOLT (5/16-18X3-IN)  
13. 8M-6802 [3] SCREW-HEX SOCKET (1/4-20X1-IN)  
14. 155-6637 [1] GEAR-OIL DRIVE (18-TEETH)  
15. 124-6640 [1] PLATE  
16. 031-2701 [2] BOLT-LOCKING (5/16-18X1.25-IN)  
 

#SEBP20280252
 

9Y-3764: FASTENER GP-FUEL INJ PUMP

9Y-3764 FASTENER GP-FUEL INJ PUMP
S/N 48W34100-99999
PART OF 2W-8961 PUMP GP-GOV, FUEL INJ & TFR
i00138446 SEBP2028
9Y3764 FASTENER GP-FUEL INJ PUMP Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 [4] BOLT (3/8-16X1-IN)  
2. 3B-1915 [4] BOLT (3/8-16X1.375-IN)  
3. 0S-1571 [6] BOLT (3/8-16X1.75-IN)  
4. 0L-1143 [1] BOLT (3/8-16X2.5-IN)  
5. 053-2294 [1] BOLT-12 POINT HEAD (3/8-16X1.75-IN)  
 

#SEBP20280253
 

225-4152: FILTER GP-FUEL

225-4152 FILTER GP-FUEL
S/N 3ND523-99999
PART OF 371-6494 INSTALLATION GP-ENGINE
FIELD REPLACEMENT ORDER @@@@@423-8521@@@@@
i04760285 SEBP2028
2254152 FILTER GP-FUEL Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 326-1641 [1] FILTER AS-WATER SEP & FUEL (PRIMARY)  
1A. 220-8678 [1] SEAL-RING  
2. 343-5527 [1] BOWL AS  
2A. 8F-7219 [1] SEAL-O-RING  
2B. 5F-9144 [1] SEAL-O-RING  
 

#SEBP20280254
 

4N-1981: FILTER GP-FUEL

4N-1981 FILTER GP-FUEL
S/N 3ND523-99999
SECONDARY
PART OF 1W-3781 INSTALLATION AR-ENGINE
i00137664 SEBP2028
4N1981 FILTER GP-FUEL Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1N-3789 C [1] BASE AS-FILTER  
2. 9S-4167 [1] STUD-HOLLOW (1-14X1.47-IN)  
3. 1R-0749 [1] FILTER-FUEL (ADVANCED EFFICIENCY)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP20280255
 

7C-4949: FILTER GP-PRIMARY FUEL

7C-4949 FILTER GP-PRIMARY FUEL
S/N 3ND523-99999
PART OF 1W-3781 INSTALLATION AR-ENGINE
i00138004 SEBP2028
7C4949 FILTER GP-PRIMARY FUEL Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8H-2778 [1] SEAL-RING  
2. 7W-7824 [1] BASE-FUEL FILTER  
3. 2J-0157 [1] SEAL-O-RING  
4. 8H-2807 [1] NUT (3/8-24-THD)  
5. 1L-3769 [1] RING-RETAINING  
6. 7S-9323 [1] SPRING  
7. 2H-3429 [1] RING-RETAINING  
8. 7H-9678 [1] RETAINER-ELEMENT  
9. 8H-2810 [1] CASE AS-FILTER  
10. 9M-2341 [1] FILTER ELEMENT-WTR SEP & FUEL (STANDARD EFFICIENCY)  
 

#SEBP20280256
 

212-9580: FILTER GP-WATER SEP & FUEL

212-9580 FILTER GP-WATER SEP & FUEL
S/N 3ND523-99999
PART OF 217-8342 PUMP GP-FUEL PRM & WATER SEP
i03437843 SEBP2028
2129580 FILTER GP-WATER SEP & FUEL Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 326-1643 [1] FILTER AS-WATER SEP & FUEL (PRIMARY)  
1A. 220-8678 [1] SEAL-RING (FUEL FILTER)  
2. 343-5527 [1] BOWL AS  
2A. 3J-1907 J [1] SEAL-O-RING  
2B. 5F-9144 [1] SEAL-O-RING  
2C. 8F-7219 [1] SEAL-O-RING  
2D. 9S-8004 J [1] PLUG (9/16-18-THD)  
  J   PARTS MARKED J ARE USED WITH BOWL ASSEMBLY WHEN PLASIC PLUG IS NOT USED.
 

#SEBP20280257
 

423-8521: FILTER GP-WATER SEP & FUEL

423-8521 FILTER GP-WATER SEP & FUEL
S/N 3ND523-99999
PART OF 460-4833 KIT-ENGINE CONVERSION
FIELD REPLACEMENT FOR @@@@@225-4152@@@@@
i05417139 SEBP2028
4238521 FILTER GP-WATER SEP & FUEL Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO BREAKDOWN OF SERVICEABLE PARTS AVAILABLE AT TIME OF PUBLICATION)
 

#SEBP20280258
 

4W-2922: GOVERNOR GP

4W-2922 GOVERNOR GP
S/N 48W34100-99999
PART OF 2W-8961 PUMP GP-GOV, FUEL INJ & TFR
i00137761 SEBP2028
4W2922 GOVERNOR GP Parts scheme 4W2922 GOVERNOR GP Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9N-3363 [1] HOUSING AS-GOVERNOR  
2. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL-O-RING  
3. 8M-8403 [1] SPRING-GUIDE  
4. 8H-9204 [2] WASHER-FELT (19/32X7/8X5/16-IN THK)  
5. 3S-1494 [1] SCREW-ADJUSTMENT (HI-IDLE)  
6. 138-9507 [2] SEAL-LIP TYPE  
7. 8L-4308 [1] BOLT (5/16-18X2.75-IN)  
8. 9M-1974 [5] WASHER-HARD (8.8X16X2-MM THK)  
9. 2B-2695 [1] BOLT (5/16-18X0.875-IN)  
10. 2P-8707 [1] PLATE AS-GOVERNOR  
11. 8L-4175 [1] DOWEL  
12. 0S-1594 [1] BOLT (3/8-16X1-IN)  
13. 1D-4540 [3] BOLT (5/16-18X2.75-IN)  
14. 1N-4656 [1] SHAFT  
15. 9N-1917 [1] COVER AS  
16. 3P-0009 [1] INSULATOR  
17. 9N-1916 [1] LEVER-SHUTOFF  
18. 5M-6228 [1] BEARING AS-NEEDLE  
19. 2A-0762 [2] BOLT (1/4-20X0.625-IN)  
20. 9N-2165 [1] LEVER-SOLENOID  
21. 1S-7336 [2] LOCK-BOLT  
22. 0S-1614 [2] BOLT (1/4-20X0.5-IN)  
23. 5P-0796 [2] SEAL-LIP TYPE  
24. 4N-0951 [1] SHAFT-SHUTOFF  
25. 1S-7984 [1] BUSHING  
26. 1K-4703 [1] WASHER (13.1X22.2X1.6-MM THK)  
27. 7N-7325 [1] SCREW-ADJUSTMENT (LO-IDLE)  
28. 2J-0157 [2] SEAL-O-RING  
29. 5L-8992 [1] COVER-ADJUSTMENT  
30. 5P-6945 [1] BOLT (1/4-20X1.125-IN)  
  4B-9747 [1] WASHER (0.266X0.375X0.031-IN THK)  
31. 8L-4155 [1] SETSCREW  
  9S-8748 [1] NUT-FULL (1/4-28-THD)  
32. 9M-4704 [1] BOLT (8-32X1-IN)  
33. 8L-4154 [1] COLLAR-LOAD STOP  
34. 7C-5279 C [1] COVER  
35. 4B-9365 C [2] BOLT (1/4-20X3-IN)  
  1B-4330 BC [2] NUT (1/4-20-THD)  
  5P-0537 B [4] WASHER-HARD (7.2X14.5X2-MM THK)  
36. 8L-3873 BC [2] GASKET  
37. 2P-8669 [1] GASKET  
38. 2W-1491 [1] LEVER-CONTROL  
39. 9M-9788 [1] PLUNGER  
40. 7M-7316 [1] SPRING  
41. 5H-1351 [1] PIN-SPRING  
42. 2P-8679 [1] STRAINER AS  
43. 2P-8697 [1] GASKET  
44. 6N-3504 [1] SEAT-GOVERNOR SPRING  
45. 4N-1870 [1] GASKET-HOUSING  
46. 9S-8008 [1] PLUG (1-1/16-12-THD)  
  3D-2824 [1] SEAL-O-RING  
47. 9S-4182 [1] PLUG (7/16-20-THD)  
  3J-7354 [1] SEAL-O-RING  
48. 4W-2921 Y [1] PLATE GP-GOVERNOR ADAPTER  
49. 061-6708 [1] RING-RETAINING  
50. 6N-4158 [1] RING-GOVERNOR DRIVE  
51. 6N-4164 [1] SPRING  
52. 6N-4156 [1] RING-RETAINING  
53. 8H-9181 [1] SPRING-BUMPER  
54. 4W-7654 [1] BOLT (1/4-28X1.25-IN)  
55. 6N-8793 [1] SPRING  
56. 5L-8991 [1] GASKET-COVER  
57. 1B-9575 [1] BOLT (5/16-18X1.56-IN)  
58. 6N-4159 [1] DRIVE AS-GOVERNOR  
  2N-5626 [1] YOKE  
59. 6D-9953 [2] PIN-SPRING  
60. 6N-4460 [5] SPRING-LEAF  
61. 6N-4161 [1] COLLAR-GOVERNOR DRIVE  
  6N-4160 [1] PIN  
62. 3L-5987 BC [1] COVER  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP20280259
 

7N-4574: HOUSING GP-FUEL PUMP

7N-4574 HOUSING GP-FUEL PUMP
S/N 48W34100-99999
PART OF 4W-6012 PUMP GP-FUEL INJECTION
i00885962 SEBP2028
7N4574 HOUSING GP-FUEL PUMP Parts scheme
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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-7266 [1] SHAFT-PUMP IDLER  
2. 7N-0242 [2] BUSHING  
3. 5B-9318 [1] BALL  
4. 4N-0775 [2] DOWEL-HOLLOW  
5. 8L-6565 [1] PIN-SPRING  
6. 9S-4160 [2] BUSHING  
7. 4M-1474 [4] PIN-LIFTER GUIDE  
8. 9L-9766 [2] PIN-PLUNGER LIFT  
9. 6N-8441 [2] BUSHING  
10. 4N-0899 [1] DOWEL-HOLLOW  
11. 1P-0232 [8] BALL  
  1P-0234 [8] DOWEL  
12. 4N-0952 C [1] PLUG-CUP  
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

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 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}
Disassembly and Assembly
Injection Actuation Pressure Sensor - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump Drive - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump Drive - Install
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump Drive - Disassemble
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump Drive - Assemble
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump - Install
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump - Disassemble
3408E and 3412E Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump - Assemble
3408E and 3412E Engines for Caterpillar Built Machines
Injection Actuation Pressure Control Valve - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Injection Actuation Pressure Control Valve - Install
3408E and 3412E Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 631E :

DRIVE GP-TACHOMETER
9N-0016 DRIVE GP-TACHOMETER
DRIVE GP-GOVERNOR & FUEL PUMP
6N-3195 DRIVE GP-GOVERNOR & FUEL PUMP
COVER GP-FUEL FILTER BASE
4N-7935 COVER GP-FUEL FILTER BASE
CONTROL GP-GOVERNOR
6G-9410 CONTROL GP-GOVERNOR
CONTROL GP-FUEL RATIO
6N-6209 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
2W-3157 CONTROL GP-FUEL RATIO
TURBOCHARGER GP
4W-1495 TURBOCHARGER GP
TURBOCHARGER GP
4W-1434 TURBOCHARGER GP
DRIVE GP-UNIT INJ HYD PUMP
180-6649 DRIVE GP-UNIT INJ HYD PUMP
FASTENER GP-FUEL INJ PUMP
9Y-3764 FASTENER GP-FUEL INJ PUMP
FILTER GP-FUEL
225-4152 FILTER GP-FUEL
FILTER GP-FUEL
4N-1981 FILTER GP-FUEL
FILTER GP-PRIMARY FUEL
7C-4949 FILTER GP-PRIMARY FUEL
FILTER GP-WATER SEP & FUEL
212-9580 FILTER GP-WATER SEP & FUEL
FILTER GP-WATER SEP & FUEL
423-8521 FILTER GP-WATER SEP & FUEL
GOVERNOR GP
4W-2922 GOVERNOR GP

Truck sale:

Caterpillar 631E
 
Caterpillar 631E
- Scrapers
TRACTOR & EQUIPMENT CO.
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
65.000 
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
65.000 
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
65.000 
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
65.000 
Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.
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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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