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3P380 BASIC GEAR PUMP GROUP Serial No. 50W1 to 1196, 1631 to 1740, 1742 to 1748, 1750 to 1959 and 50W2031-Up Part of 3P381 Gear Pump Group 988B


POWER TRAIN
PUMP GP
DIFFERENTIAL & BEVEL GEAR GP

WHEEL LOADER 988B WHEEL LOADER 50W
 988B WHEEL LOADER 50W00001-06040 (MACHINE) POWERED BY 3408 ENGINE SEBP1079 988B 50W   (1976)

POWER TRAIN

PUMP GP
PUMP GP-GEAR
3P-0381 PUMP GP-GEAR
PUMP GP-GEAR
3P-0380 PUMP GP-GEAR
PUMP GP-GEAR
3P-0381 PUMP GP-GEAR
BASIC GEAR PUMP GROUP
9P-6518 BASIC GEAR PUMP GROUP
 

#SEBP10790450
 

3P-0380: PUMP GP-GEAR

3P380 BASIC GEAR PUMP GROUP
Serial No. 50W1 to 1196, 1631 to 1740, 1742 to 1748, 1750 to 1959 and 50W2031-Up
Part of 3P381 Gear Pump Group
c209491 SEBP1079
3P0380 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6P-4354 [1] MANIFOLD ASSEM.  
    (Includes)
  5M-3320 [2] BEARING  
2. 4M-0503 [1] GEAR ASSEM. (12 teeth)  
3. 2D-8009 [2] SEAL  
4. 0S-1619 [2] BOLT  
5. 3S-0004 [6] WASHER  
6. 4M-0501 [1] BODY ASSEM.  
    (Includes)
  8M-8489 [4] DOWEL  
7. 2P-1014 [1] COVER ASSEM.  
    (Includes)
8. 5M-3320 [2] BEARING  
9. 5S-6622 [1] SEAL  
10. 3P-0377 [1] GEAR (12 teeth)  
11. 1A-5183 [2] BOLT 12.07 cm(4.75 in.) long  
  8S-9191 [2] BOLT 10.16 cm(4 in.) long  
 

#SEBP10790451
 

3P-0381: PUMP GP-GEAR

3P381 GEAR PUMP GROUP--Transmission
Serial No. 50W1197 to 1630, 1741, 1749 & 50W1960 to 50W2030 inclusive
c166157 SEBP1079
3P0381 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
2. 5J-5793 [2] BOLT  
3. 7S-9203 [3] WASHER  
4. 6P-1272 [1] ADAPTER ASSEM.  
    (Includes)
  1H-0974 [2] DOWEL  
5. 2S-4080 [1] GASKET  
6. 4K-5175 [1] BOLT  
7. 8M-5252 [1] SEAL  
8. 9P-6518 Y [1] PUMP GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790452
 

9P-6518: BASIC GEAR PUMP GROUP

9P6518 BASIC GEAR PUMP GROUP
Serial No. 50W1197 to 1630, 1741, 1749 & 50W1960 to 50W2030 inclusive
Part of 3P381 Gear Pump Group
c166158 SEBP1079
9P6518 BASIC GEAR PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6P-4354 [1] MANIFOLD ASSEM.  
    (Includes)
  5M-3320 [2] BEARING  
2. 4M-0503 [1] GEAR ASSEM. (12 teeth)  
3. 2D-8009 [2] SEAL  
4. 0S-1619 [2] BOLT  
5. 3S-0004 [6] WASHER  
6. 9P-1834 [1] BODY ASSEM.  
    (Includes)
  8M-8489 [4] DOWEL  
7. 2P-1014 [1] COVER ASSEM.  
    (Includes)
8. 5M-3320 [2] BEARING  
9. 5S-6622 [1] SEAL  
10. 3P-0377 [1] GEAR ASSEM. (12 teeth)  
11. 1A-5183 [2] BOLT 12.07 cm(4.75 in.) long  
  8S-9191 [2] BOLT 10.16 cm(4 in.) long  
 

#SEBP10790453
 

1V-4948: DIFFERENTIAL & BEVEL GEAR GP

1V4948 REAR DIFFERENTIAL AND BEVEL GEAR GROUP
Serial No. 50W1 to 4421, 4424, 4426 and 50W4429 inclusive
1V4947 Differential parts are shown on Page 139
c210001 SEBP1079
1V4948 DIFFERENTIAL & BEVEL GEAR GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1695 [1] RETAINER  
2. 1D-3419 [1] BOLT  
3. 1V-8574 [1] YOKE ASSEM.  
    (Includes)
4. 3K-9608 [1] GUARD  
5. 2H-2665 [1] SEAL  
6. 1A-2029 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
7. 2P-4471 [1] LOCK  
  7J-5367 [1] NUT  
8. 2V-4405 [1] HOUSING  
9. 1B-3942 [1] CUP  
  4M-2552 [1] CONE  
10. 0S-1897 [36] BOLT (fine thread)  
    -or-
  2A-1538 [36] BOLT (coarse thread)  
11. 2S-0115 [64] WASHER  
12. 9K-2549 [1] SHIM  
13. 6B-5310 [4] BOLT (fine thread)  
    -or-
  1D-4610 [4] BOLT  
14. 3D-8422 [1] SEAL  
15. 5K-3559 [2] RING  
16. 4B-9374 [1] CUP  
  4B-9373 [1] CONE  
17. 5K-3661 [2] LOCK  
18. 0S-0214 [2] BOLT  
  5P-6628 H LOCKWIRE 1.32 m(52 in.)  
19. 1V-4947 Y [1] DIFFERENTIAL GROUP  
    (Separate Illustration)
20. 9S-1362 [24] BOLT  
21. 2V-4734 [1] GEAR (45 teeth)  
22. 9S-6575 [1] CONE  
  2K-5067 [1] CUP  
23. 2V-4462 [1] CARRIER ASSEM.  
    (Includes)
24. 5K-3628 [4] BOLT  
25. 2D-6533 [1] SEAL  
26. 2K-9062 [1] PIN  
27. 2V-4461 [1] SHAFT  
28. 1P-2695 [1] CUP  
  1P-2694 [1] CONE  
29. 1V-7885 [1] WASHER  
30. 2V-4440 [1] RETAINER  
  5S-3676 [1] SEAL  
31. 2D-8540 [1] SEAL  
  H   ORDER BY THE METRE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790454
 

1V-4948: DIFFERENTIAL & BEVEL GEAR GP

1V4948 REAR DIFFERENTIAL AND BEVEL GEAR GROUP
Serial No. 50W4422, 4423, 4425, 4427, 4428 & 50W4430-Up
4V8736 Differential parts are shown on Page 139
c176383 SEBP1079
1V4948 DIFFERENTIAL & BEVEL GEAR GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1695 [1] RETAINER  
2. 1D-3419 [1] BOLT  
3. 1V-8574 [1] YOKE ASSEM.  
    (Includes)
4. 3K-9608 [1] GUARD  
5. 2H-2665 C [2] SEAL  
6. 1A-2029 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
7. 2P-4471 [1] LOCK  
  7J-5367 [1] NUT  
8. 2V-4405 [1] HOUSING  
9. 5P-2525 C [1] CUP  
  5P-2523 C [1] CONE  
10. 2A-1538 [36] BOLT 5.7 cm(2.25 in.) long  
11. 2S-0115 [64] WASHER  
12. 9K-2549 [1] SHIM  
13. 1D-4610 [4] BOLT 8.25 cm(3.25 in.) long  
14. 3D-8422 [1] SEAL  
15. 5K-3559 [2] RING  
16. 4B-9374 [1] CUP  
  4B-9373 [1] CONE  
17. 5K-3661 [2] LOCK  
18. 0S-0214 [2] BOLT  
  5P-6628 CH LOCKWIRE .4 m(15.75 in.)  
19. 4V-8736 YC [1] DIFFERENTIAL GROUP  
    (Separate Illustration)
20. 9S-1362 [24] BOLT  
21. 2V-4734 [1] GEAR (45 teeth)  
22. 2K-5065 C [1] CONE  
  5P-2526 C [1] CUP  
23. 2V-4462 [1] CARRIER ASSEM.  
    (Includes)
24. 1D-4642 C [4] BOLT  
  5P-8250 C [4] WASHER  
25. 2D-6533 [1] SEAL  
26. 2K-9062 [1] PIN  
27. 2V-4461 [1] SHAFT  
28. 1P-2695 [1] CUP  
  1P-2694 [1] CONE  
29. 1V-7885 [1] WASHER  
30. 2V-4440 [1] RETAINER  
  5S-3676 [1] SEAL  
31. 2D-8540 [1] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE METER
 

#SEBP10790455
 

2V-4898: DIFFERENTIAL & BEVEL GEAR GP

2V4898 FRONT DIFFERENTIAL AND BEVEL GEAR GROUP
Serial No. 50W1 to 4421, 4424, 4426 and 50W4429 inclusive
1V4947 Differential parts are shown on Page 139
c224644 SEBP1079
2V4898 DIFFERENTIAL & BEVEL GEAR GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1695 [1] RETAINER  
2. 1D-3419 [1] BOLT  
3. 1V-8574 [1] YOKE ASSEM.  
    (Includes)
4. 3K-9608 [1] GUARD  
5. 2H-2665 C [2] SEAL  
6. 1A-2029 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
7. 2P-4471 [1] LOCK  
  7J-5367 [1] NUT  
8. 2V-4897 [1] HOUSING  
9. 5P-2525 C [1] CUP  
  5P-2523 C [1] CONE  
10. 0S-1897 [36] BOLT (fine thread)  
    -OR-
  2A-1538 [36] BOLT (coarse thread)  
11. 2S-0115 [64] WASHER  
12. 9K-2549 [1] SHIM  
13. 6B-5310 [1] BOLT (fine thread)  
    -OR-
  1D-4610 [4] BOLT (coarse thread)  
14. 3D-8422 [1] SEAL  
15. 5K-3559 [2] RING  
16. 4B-9374 [1] CUP  
  4B-9373 [1] CONE  
17. 5K-3661 [2] LOCK  
18. 0S-0214 [2] BOLT  
  5P-6628 H LOCKWIRE 1.32 m(52 in.)  
19. 1V-4947 Y [1] DIFFERENTIAL GROUP  
    (Separate Illustration)
20. 9S-1362 [24] BOLT  
21. 2V-4734 [1] GEAR (45 teeth)  
22. 2K-5065 C [1] CONE  
  5P-2526 C [1] CUP  
23. 2V-4462 [1] CARRIER ASSEM.  
24. 2V-4440 [1] RETAINER  
  5S-3676 [1] SEAL  
25. 2D-6533 [1] SEAL  
26. 2K-9062 [1] PIN  
27. 2V-4461 [1] SHAFT  
28. 1P-2695 [1] CUP  
  1P-2694 [1] CONE  
29. 1V-7885 [1] WASHER  
30. 2D-8540 [1] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE METER
 

#SEBP10790456
 

2V-4898: DIFFERENTIAL & BEVEL GEAR GP

2V4898 FRONT DIFFERENTIAL AND BEVEL GEAR GROUP
Serial No. 50W4422, 4423, 4425, 4427, 4428 & 50W4430-Up
4V8736 Differential parts are shown on Page 139
c238115 SEBP1079
2V4898 DIFFERENTIAL & BEVEL GEAR GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1695 [1] RETAINER  
2. 1D-3419 [1] BOLT  
3. 1V-8574 [1] YOKE ASSEM.  
    (Includes)
4. 3K-9608 [1] GUARD  
5. 2H-2665 [2] SEAL  
6. 1A-2029 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
    - OR -
  034-3557 C [6] BOLT-SELF LOCKING  
  5M-2894 C [6] WASHER  
7. 2P-4471 [1] LOCK  
  7J-5367 [1] NUT  
8. 2V-4897 [1] HOUSING  
9. 5P-2525 [1] CUP  
  5P-2523 [1] CONE  
10. 2A-1538 [36] BOLT 5.7 cm(2.25 in.) long  
11. 5P-8248 C [64] WASHER  
12. 9K-2549 [1] SHIM  
13. 1D-4610 [4] BOLT 8.25 cm(3.25 in.) long  
14. 3D-8422 [1] SEAL  
15. 5K-3559 [2] RING  
16. 4B-9374 [1] CUP  
  4B-9373 [1] CONE  
17. 5K-3661 [2] LOCK  
18. 0S-0214 [2] BOLT  
  5P-6628 CH LOCKWIRE .4 m(15.74 in.)  
19. 4V-8736 CY [1] DIFFERENTIAL GROUP  
    (Separate Illustration)
20. 9S-1362 [24] BOLT  
21. 2V-4734 [1] GEAR (45 teeth)  
22. 2K-5065 [1] CONE  
  5P-2526 [1] CUP  
23. 2D-8540 [1] SEAL  
24. 2V-4440 [1] RETAINER  
  5S-3676 [1] SEAL  
25. 2D-6533 [1] SEAL  
26. 2K-9062 [1] PIN  
27. 7V-6791 C [1] SHAFT  
28. 1P-2695 [1] CUP  
  1P-2694 [1] CONE  
29. 1V-7885 [1] WASHER  
30. 2V-4462 [1] CARRIER ASSEM.  
    (Includes)
31. 1D-4642 C [4] BOLT  
  5P-8250 C [4] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE METER
 

#SEBP10790457
 

5V-0416: DIFFERENTIAL GP

5V416 DIFFERENTIAL GROUP--Detroit No-Spin
Serial No. 50W4422, 4423, 4425, 4427, 4428 & 50W4430-Up
FOR REAR AXLE ONLY. AN ATTACHMENT
c176386 SEBP1079
5V0416 DIFFERENTIAL GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5V-0417 [1] SPIDER AS  
2. 7D-4721 [2] RETAINER  
3. 7D-4719 [2] SPRING  
4. 5V-0419 [2] GEAR-SIDE  
5. 5V-0418 [2] CLUTCH AS  
 

#SEBP10790458
 

1V-4947: DIFFERENTIAL GROUP

1V4947 DIFFERENTIAL GROUP
Serial No. 50W1 to 4421, 4424, 4426 and 50W4429 inclusive. Part of 1V4948 and
2V4898 Differential and Bevel Gear Groups shown on Pages 137 and 138
c162920 SEBP1079
1V4947 DIFFERENTIAL GROUP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-2515 [3] WASHER  
2. 9K-2367 [1] SPIDER  
3. 9K-2939 [1] CASE ASSEM.  
    (Includes)
4. 3D-6509 [4] DOWEL  
5. 0L-1169 [12] BOLT  
  4D-3704 [12] WASHER  
6. 9K-2514 [3] BEARING  
7. 9K-2453 [3] PINION  
8. 3V-4033 [2] WASHER  
9. 9K-2421 [2] GEAR  
 

#SEBP10790459
 

4V-8736: DIFFERENTIAL GP

4V8736 DIFFERENTIAL GROUP
Serial No. 50W4422, 4423, 4425, 4427, 4428 and 50W4430-Up. Part of 1V4948
and 2V4898 Differential and Bevel Gear Groups shown on Pages 137B & 138A
c176385 SEBP1079
4V8736 DIFFERENTIAL GP Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-2515 [4] WASHER  
2. 4V-8735 [1] SPIDER  
3. 4V-8733 [1] CASE ASSEM.  
    (Includes)
4. 3D-6509 [4] DOWEL  
5. 0L-1169 [12] BOLT  
  4D-3704 [12] WASHER  
6. 9K-2514 [4] BEARING  
7. 4V-8795 [4] PINION (10 teeth)  
8. 3V-4033 [2] WASHER  
9. 4V-8796 [2] GEAR (16 teeth)  
 

Information:

Caterpillar Parts SIS Catalog 988B :

PUMP GP-GEAR
3P-0381 PUMP GP-GEAR
FILLER GP-POWER TRAIN OIL
1V-4951 FILLER GP-POWER TRAIN OIL
FILLER GP-POWER TRAIN OIL
1V-4951 FILLER GP-POWER TRAIN OIL
GUARD GP-POWER TRAIN
3V-0721 GUARD GP-POWER TRAIN
FILLER GP-POWER TRAIN OIL
1V-4951 FILLER GP-POWER TRAIN OIL
VALVE GP-SEQUENCE & PRESS CONT
6P-6569 VALVE GP-SEQUENCE & PRESS CONT
LINES GP-POWER TRAIN OIL
1V-4950 LINES GP-POWER TRAIN OIL
LINES GP-POWER TRAIN OIL
1V-4950 LINES GP-POWER TRAIN OIL
PUMP GP-GEAR
3P-0381 PUMP GP-GEAR
BASIC GEAR PUMP GROUP
9P-6518 BASIC GEAR PUMP GROUP
DIFFERENTIAL & BEVEL GEAR GP
1V-4948 DIFFERENTIAL & BEVEL GEAR GP
DIFFERENTIAL & BEVEL GEAR GP
1V-4948 DIFFERENTIAL & BEVEL GEAR GP
DIFFERENTIAL & BEVEL GEAR GP
2V-4898 DIFFERENTIAL & BEVEL GEAR GP
DIFFERENTIAL & BEVEL GEAR GP
2V-4898 DIFFERENTIAL & BEVEL GEAR GP
DIFFERENTIAL GP
5V-0416 DIFFERENTIAL GP
DIFFERENTIAL GROUP
1V-4947 DIFFERENTIAL GROUP

Truck sale:

Caterpillar 988B
 
Caterpillar 988B
- Wheel Loaders
N C MACHINERY CO.
Caterpillar 988B, Wheel Loaders, Construction
47,951 
Caterpillar 988B, Wheel Loaders, Construction
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TOROMONT CAT
Caterpillar 988B, Wheel Loaders, Construction
 
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- Wheel loaders
CGT - COMPAGNIA GENERALE TRATTORI
Caterpillar 988B, Wheel Loaders, Construction
63,246 
Caterpillar 988B, Wheel Loaders, Construction
- Wheel loaders

Caterpillar 988B, Wheel Loaders, Construction
 
Caterpillar 988B, Wheel Loaders, Construction
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
Italy
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