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1V4964 LIFT CYLINDER LINES GROUP--Part 2 of 2 Serial No. 50W648-Up 988B WHEEL LOADER


HYDRAULIC SYSTEM
LINES GP-CYLINDER
CYLINDER GP
PUMP GP

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

HYDRAULIC SYSTEM

LINES GP-CYLINDER
LINES GP-LIFT CYLINDER
1V-4964 LINES GP-LIFT CYLINDER
LINES GP-LIFT CYLINDER
1V-4964 LINES GP-LIFT CYLINDER
LINES GP-LIFT CYLINDER
1V-4964 LINES GP-LIFT CYLINDER
 

#SEBP10790780
 

1V-4964: LINES GP-LIFT CYLINDER

1V4964 LIFT CYLINDER LINES GROUP--Part 2 of 2
Serial No. 50W648-Up
c177338 SEBP1079
1V4964 LINES GP-LIFT CYLINDER Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-1915 [32] BOLT  
2. 5M-2894 C [32] WASHER  
3. 1P-4577 [16] FLANGE  
4. 1V-6909 [1] MANIFOLD  
5. 1P-3706 [2] SEAL  
6. 0S-1585 [8] BOLT  
7. 5P-8245 C [8] WASHER  
8. 1V-6908 [1] MANIFOLD  
9. 1V-7643 [2] HOSE ASSEM.  
    (Each Includes)
  5P-0181 H HOSE 212.0 cm(83.74 in.)  
10. 3S-7252 [2] SLEEVE  
11. 5S-2105 [2] STEM ASSEM. (90 degrees)  
12. 4J-0520 [2] SEAL  
13. 2V-4334 [2] HOSE ASSEM.  
    (Each Includes)
  5P-0181 H HOSE 209.5 cm(82.48 in.)  
14. 3S-7252 [2] SLEEVE  
15. 5S-2105 [2] STEM ASSEM. (90 degrees)  
16. 1D-4586 [2] BOLT  
  1D-4720 [2] NUT  
  4D-3704 [2] WASHER  
17. 8J-8229 [4] CLAMP  
18. 1D-4719 [6] NUT  
  5P-1076 [6] WASHER  
19. 1V-7650 [2] PLATE  
20. 2V-7742 [2] BRACKET  
21. 0T-0320 C [8] BOLT  
  3V-3307 C [8] WASHER  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETER
 

#SEBP10790781
 

1V-5136: CYLINDER & MOUNTING GP

1V5136 TILT CYLINDER AND MOUNTING GROUP
Serial No. 50W1 to 50W2264 inclusive
9J3632 Cylinder parts are shown on Page 235
c209703 SEBP1079
1V5136 CYLINDER & MOUNTING GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8485 [2] FITTING  
2. 5P-2671 [8] SEAL  
3. 1V-7330 [2] PIN  
4. 3B-8489 [2] FITTING  
5. 9J-3632 Y [2] CYLINDER GROUP  
    (Separate Illustration)
6. 6B-9194 [4] BOLT  
  5D-4661 [4] WASHER  
7. 1V-7328 [4] COLLET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790782
 

1V-5136: CYLINDER & MOUNTING GP

1V5136 TILT CYLINDER AND MOUNTING GROUP
Serial No. 50W2265-Up
9J3632 Cylinder parts are shown on Page 235
c227197 SEBP1079
1V5136 CYLINDER & MOUNTING 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. 3V-0071 C [4] COLLET  
2. 5P-2671 [8] SEAL  
3. 4V-2121 C [2] PIN  
4. 3B-8489 C [4] FITTING  
5. 9J-3632 Y [2] CYLINDER GROUP  
    (Separate Illustration)
6. 1K-4378 C [2] BOLT  
  3K-9770 C [2] NUT  
  4K-0684 C [4] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790783
 

9J-3632: CYLINDER GP-TILT

9J3632 TILT CYLINDER GROUP (Change 3)--7.75" Bore X 28.75" Stroke
Part of 1V5136 Tilt Cylinder and Mounting Group shown on Page 234
c209704 SEBP1079
9J3632 CYLINDER GP-TILT Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-9449 [1] NUT  
2. 9J-3624 [1] RING  
3. 8J-5644 [1] SEAL ASSEM.  
4. 9J-3634 R [1] CYLINDER ASSEM.  
    (Includes)
5. 1V-7036 [1] BEARING  
6. 5K-1787 [1] SEAL  
  8J-0548 [1] RING  
7. 9J-3626 [1] HEAD  
8. 8H-5772 [6] BOLT  
9. 3B-4516 [8] LOCKWASHER  
10. 6J-7167 [1] SEAL  
11. 9J-3628 R [1] ROD ASSEM.  
    (Includes)
12. 1V-6934 [1] BEARING  
13. 6J-4169 [1] SEAL  
14. 5J-8325 [1] SEAL  
15. 1D-4640 [2] BOLT  
16. 9J-3625 [1] PISTON  
 

#SEBP10790784
 

3G-2976: CYLINDER GP-TILT

3G2976 TILT CYLINDER GROUP--(Change 0)--216 mm (8.5") Bore x 479 mm (18.5") Stroke
Part of 3V6657 Hydraulic Arrangement listed on Page 208A. AN ATTACHMENT
c214185 SEBP1079
3G2976 CYLINDER GP-TILT Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-8734 [1] NUT  
2. 7J-8064 [1] RING  
3. 6J-9385 [1] SEAL ASSEM.  
4. 3G-2975 [1] CYLINDER ASSEM.  
    (Includes)
5. 1V-7036 [1] BEARING  
6. 4J-6557 [1] SEAL  
  9M-5024 [1] RING  
7. 8J-0529 [1] HEAD  
8. 1D-4638 [6] BOLT  
9. 9M-2828 [8] WASHER  
10. 6J-6736 [1] SEAL  
11. 3G-2970 [1] ROD ASSEM.  
12. 1V-6934 [1] BEARING  
13. 4J-8981 [1] SEAL  
14. 5J-8350 [1] SEAL  
15. 2A-1420 [2] BOLT  
16. 8J-0527 [1] PISTON  
17. 8J-0528 [2] RING  
 

#SEBP10790785
 

8J-5779: CYLINDER GP

8J5779 LIFT CYLINDER GROUP (Change 0-2)--216 mm (8.5") Bore x 1140 mm (45") Stroke
Serial No. 50W1 to 50W2184 inclusive
Part of 1V5137 Lift Cylinder and Mounting Group shown on Page 237
c222852 SEBP1079
8J5779 CYLINDER GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-3915 R [1] CYLINDER ASSEM.  
    (Includes)
  1V-7001 C [1] BEARING  
2. 2B-7408 [1] PLUG  
3. 4J-8734 [1] NUT  
4. 7J-8064 [1] RING  
5. 6J-9385 [1] SEAL ASSEM.  
    (Includes)
  [1] SEAL  
6. 8J-0528 [2] RING  
7. 8J-0527 [1] PISTON  
8. 9M-5024 [1] SEAL  
  4J-6557 [1] RING (back-up)  
9. 8J-4627 [1] SEAL  
10. 5J-8400 [1] SEAL  
11. 7J-5673 [1] SEAL  
12. 3G-3975 RC [1] ROD ASSEM.  
13. 8J-5780 [1] HEAD  
14. 1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP10790786
 

8J-5779: CYLINDER GP

8J5779 LIFT CYLINDER GROUP (Change 3-4)--216 mm (8.5") Bore x 1140 mm (45") Stroke
Serial No. 50W2185 to 50W5501 and 50W5581-Up
Part of 1V5137 Lift Cylinder and Mounting Group shown on Pages 237, 238 & 238A
c234499 SEBP1079
8J5779 CYLINDER 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. 9J-3915 R [1] CYLINDER ASSEM.  
    (Includes)
  1V-7001 [1] BEARING  
2. 2B-7408 [1] PLUG  
3. 4J-8734 [1] NUT  
4. 7J-8064 [1] RING  
5. 3G-4762 C [1] SEAL ASSEM.  
6. 8J-5780 [1] HEAD  
7. 8J-0527 [1] PISTON  
8. 9M-5024 [1] SEAL  
  1U-1101 C [1] RING (back-up)  
9. 8J-4627 [1] SEAL  
10. 5J-8400 [1] SEAL  
11. 7J-5673 [1] SEAL  
12. 3G-3975 R [1] ROD ASSEM.  
13. 1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP10790787
 

1U-4679: LIFT CYLINDER GROUP

1U4679 LIFT CYLINDER GROUP (Change 0)--216 mm (8.5") Bore X 1140 mm (45") Stroke
Serial No. 50W5502 to 50W5580 inclusive
Part of 1V5137 Lift Cylinder and Mounting Group shown on Page 238B
c180556 SEBP1079
1U4679 LIFT CYLINDER 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. 9J-3915 R [1] CYLINDER ASSEM.  
    (Includes)
  1V-7001 [1] BEARING  
2. 2B-7408 [1] PLUG  
3. 4J-8734 [1] NUT  
4. 7J-8064 [1] RING  
5. 3G-4762 [1] SEAL ASSEM.  
6. 8J-5780 [1] HEAD  
7. 8J-0527 [1] PISTON  
8. 9M-5024 [1] SEAL  
  1U-1101 [1] RING (back-up)  
9. 8J-4627 [1] SEAL  
10. 5J-8400 [1] SEAL  
11. 7J-5673 [1] SEAL  
12. [1] ROD ASSEM.  
13. 1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP10790788
 

1V-5137: CYLINDER & MOUNTING GP

1V5137 LIFT CYLINDER AND MOUNTING GROUP
Serial No. 50W1 to 50W2264 inclusive
8J5779 Cylinder parts are shown on Page 236
c209708 SEBP1079
1V5137 CYLINDER & MOUNTING 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. 8J-5779 Y [2] CYLINDER GROUP  
    (Separate Illustration)
2. 6B-9194 [4] BOLT  
3. 1V-7329 [4] COLLET  
4. 1V-7310 [2] PIN  
5. 3B-8489 [2] FITTING  
6. 7K-9218 [4] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790789
 

1V-5143: PUMP GP-GEAR

1V5143 IMPLEMENT PUMP GROUP
9J809 Pump parts are shown on Page 238
c209696 SEBP1079
1V5143 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. 0S-1589 [2] BOLT  
  4D-3704 [2] WASHER  
2. 5F-3106 [1] SEAL  
3. 9J-0809 Y [1] PUMP GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 988B :

LINES GP-LIFT CYLINDER
1V-4964 LINES GP-LIFT CYLINDER
LINES GP-LIFT CYLINDER
1V-4964 LINES GP-LIFT CYLINDER
LINES GP-LIFT CYLINDER
1V-4964 LINES GP-LIFT CYLINDER
LINES GP-TILT CYLINDER
1V-4879 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
1V-4879 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
1V-4879 LINES GP-TILT CYLINDER
LINES GP-TILT CYLINDER
1V-4879 LINES GP-TILT CYLINDER
LINES GP-CYLINDER
1V-4965 LINES GP-CYLINDER
CYLINDER & MOUNTING GP
1V-5136 CYLINDER & MOUNTING GP
CYLINDER & MOUNTING GP
1V-5136 CYLINDER & MOUNTING GP
CYLINDER GP-TILT
9J-3632 CYLINDER GP-TILT
CYLINDER GP-TILT
3G-2976 CYLINDER GP-TILT
CYLINDER GP
8J-5779 CYLINDER GP
CYLINDER GP
8J-5779 CYLINDER GP
LIFT CYLINDER GROUP
1U-4679 LIFT CYLINDER GROUP
CYLINDER & MOUNTING GP
1V-5137 CYLINDER & MOUNTING GP

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Italy
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