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4V3257 HYDRAULIC HAND CONTROL GROUP Serial No. 50W1701 to 50W3617 inclusive. Part of 1V4903 Hydraulic Hand Control Group shown on Pages 241D, 241F and 241F-2 988B


OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
VALVE GP-PILOT
OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
VALVE GP-PILOT
KICKOUT & POSITIONER GP


OPERATOR STATION

CONTROL GP-HYDRAULIC
 

#SEBP10790810
 

4V-3257: HYDRAULIC HAND CONTROL GROUP

4V3257 HYDRAULIC HAND CONTROL GROUP
Serial No. 50W1701 to 50W3617 inclusive. Part of 1V4903 Hydraulic Hand Control
Group shown on Pages 241D, 241F and 241F-2
c169822 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3V-6794 [1] BUTTON  
  4V-3330 [1] PIN  
2. 4V-3332 [1] SPRING  
  4V-3331 [1] BALL  
3. 3V-6796 [1] BODY  
  4V-3333 [2] SCREW  
4. 1B-4430 [1] NUT  
5. 4V-3193 [1] LEVER ASSEM.  
6. 3V-6795 [1] COVER  
7. 4V-3278 [1] HARNESS ASSEM.  
    (Includes)
  5P-5623 H WIRE 1.66 m(65 in.)  
8. 5P-5610 [1] CONNECTOR  
9. 2L-8077 [1] TERMINAL  
10. 4V-3087 [1] SWITCH ASSEM.  
    (converter solenoid)
  H   ORDER BY THE METRE
 

#SEBP10790811
 

5V-4849: CONTROL GP-HYDRAULIC

5V4849 HYDRAULIC HAND CONTROL GROUP
Serial No. 50W3618-Up
Part of 1V4903 Hydraulic Hand Control Group shown on Page 241F-2
c172570 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5V-8688 [1] BUTTON  
  4V-3330 [1] PIN  
2. 5V-8683 [1] SPRING  
3. 5V-8689 [1] BODY  
  4V-3333 [2] SCREW  
4. 1B-4430 [1] NUT  
5. 4V-3193 [1] LEVER ASSEM.  
6. 5V-8690 [1] COVER ASSEM.  
    (Includes)
7. 4V-3278 [1] HARNESS ASSEM.  
    (Includes)
  5P-5623 H WIRE (16 gauge)  
8. 4V-3087 [1] SWITCH ASSEM.  
    (Converter Solenoid)
9. 2L-8077 [1] TERMINAL  
10. 5P-5610 [1] CONNECTOR  
  H   ORDER BY THE METER
 

#SEBP10790812
 

9J-4138: VALVE GP-PILOT

9J4138 PILOT VALVE GROUP--Lift
Part of 9J4142 and 9J5730 Valve Groups shown on Pages 239 and 244
c209501 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-1909 [1] SEAL  
2. 2K-8199 [2] SEAL  
3. 9J-4137 [1] VALVE GROUP  
4. 7J-7837 [1] SPRING  
5. 7J-7844 [4] RETAINER  
6. 9J-3894 [1] HOUSING  
7. 9J-3893 [1] HOUSING  
8. 0S-1615 [4] BOLT  
  3B-4504 [4] LOCKWASHER  
 

#SEBP10790813
 

9J-4944: VALVE GP-PILOT

9J4944 PILOT VALVE GROUP--Tilt & Log Fork
Part of 9J4142 and 9J5730 Valve Groups shown on Pages 239 and 244
c209502 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-1909 [1] SEAL  
2. 2K-8199 [2] SEAL  
3. 9J-4137 [1] VALVE GROUP  
4. 7J-7837 [1] SPRING  
5. 9J-4943 [2] RETAINER  
6. 9J-3894 [1] HOUSING  
7. [2] RETAINER  
8. 9J-3893 [1] HOUSING  
9. 0S-1615 [4] BOLT  
  3B-4504 [4] LOCKWASHER  
 

#SEBP10790814
 

1V-4893: CONTROL GP-HYDRAULIC

1V4893 HYDRAULIC CONTROL GROUP--Type 1
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
9J5730 Valve parts are shown on Page 244. AN ATTACHMENT
c210018 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-5730 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 3V-3702 [1] STRIP  
3. 4B-4158 [4] SCREW  
4. 3V-3701 [1] PLATE  
5. 7M-0706 [1] KNOB  
6. 3V-3700 [1] LEVER ASSEM.  
    (Includes)
7. 9L-0191 [2] BEARING  
8. 9L-2685 [1] JOINT  
  1B-4201 [1] NUT  
  3B-4504 [1] LOCKWASHER  
9. 1V-8225 [1] ROD  
  6F-0612 [2] NUT  
10. 7B-5005 [1] END  
11. 4B-3057 [1] PIN  
  5P-0537 [1] WASHER  
  3B-4607 [1] COTTER PIN  
12. 2R-6806 [4] CONNECTOR  
  3J-1907 [4] SEAL  
13. 1V-9721 [2] HOSE ASSEM.  
14. 2P-7215 [2] ELBOW  
  2P-1279 [2] NUT  
15. 2V-5276 [2] HOSE ASSEM.  
    (Each Includes)
  5P-0178 HOSE 171 cm(67.32 in.)  
16. 1P-9919 [1] COUPLING ASSEM.  
17. 4S-5414 [2] SLEEVE  
18. 7K-1181 [2] STRAP  
19. 8K-8604 [3] BOOT  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790815
 

1V-4893: CONTROL GP-HYDRAULIC

1V4893 HYDRAULIC CONTROL GROUP--Type 2
Part of 2V6793 and 3V6657 Hydraulic Arrangement listed on Pages 208 and 208A
9J5730 Valve parts are shown on Page 244. AN ATTACHMENT
c168968 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-5730 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 5P-0537 C [3] WASHER  
3. 6L-7751 C [1] ROD END  
4. 4V-3769 C [1] PLATE  
5. 7M-0706 [1] KNOB  
6. 3V-3700 [1] LEVER ASSEM.  
    (Includes)
7. 9L-0191 [2] BEARING  
8. 2L-9038 C [1] LOCKNUT  
9. 1V-8225 [1] ROD  
  6F-0612 [2] NUT  
10. 7B-5005 [1] END  
11. [1] PIN  
  3B-4607 [1] COTTER PIN  
12. 2R-6806 [4] CONNECTOR  
  3J-1907 [4] SEAL  
13. 1V-9721 [2] HOSE ASSEM.  
14. 2P-7215 [2] ELBOW  
  2P-1279 [2] NUT  
15. 2V-5276 [2] HOSE ASSEM.  
    (Each Includes)
  5P-0178 HOSE 171 cm(67.32 in.)  
16. 1P-9919 [1] COUPLING ASSEM.  
17. 4S-5414 [2] SLEEVE  
18. 7K-1181 [2] STRAP  
19. 0L-1590 C [1] BOLT  
20. 8K-8604 C [1] BOOT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790816
 

1V-4893: CONTROL GP-HYDRAULIC

1V4893 HYDRAULIC CONTROL GROUP--Type 3
Part of 2V6793 and 3V6657 Hydraulic Arrangements listed on Pages 208 and 208A
9J5730 Valve parts are shown on Page 244. AN ATTACHMENT
c224846 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-5730 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 5P-0537 [3] WASHER  
3. 6L-7751 [1] ROD END  
4. 4V-3769 [1] PLATE  
5. 7M-0706 [1] KNOB  
6. 3V-3700 [1] LEVER ASSEM.  
    (Includes)
7. 9L-0191 [2] BEARING  
8. 2L-9038 [1] LOCKNUT  
9. 1V-8225 [1] ROD  
  6F-0612 [2] NUT  
10. 7B-5005 [1] END  
11. 4B-3057 C [1] PIN  
  3B-4607 [1] COTTER PIN  
12. 2R-6806 C [2] CONNECTOR  
  3J-1907 C [2] SEAL  
13. 5V-4044 C [1] HOSE ASSEM.  
    (Includes)
  2P-5943 H HOSE 23.6 in.(60 cm)  
14. 8S-6417 [2] COUPLING ASSEM.  
15. 4S-5414 [2] SLEEVE  
16. 2P-7215 C [1] ELBOW  
17. 2P-1279 [2] NUT  
18. 7K-1181 [2] STRAP  
19. 0L-1590 [1] BOLT  
20. 8K-8604 [1] BOOT  
21. 2V-5276 [2] HOSE ASSEM.  
    (Each Includes)
  2P-5943 CH HOSE 67.32 in.(171 cm)  
22. 1P-9919 [1] COUPLING ASSEM.  
23. 4S-5414 [2] SLEEVE  
24. 6K-9194 C [1] ELBOW  
  2P-1278 C [1] UNION  
25. 068-7083 C [1] HOSE ASSEM.  
    (Includes)
  2P-5943 H HOSE 27.5 in.(69.9 cm)  
  8S-6417 [2] COUPLING ASSEM.  
  4S-5414 [2] SLEEVE  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP10790817
 

9J-5730: VALVE GP

9J5730 PILOT VALVE GROUP--Tilt, Lift and Log Fork
Part of 1V4893 Hydraulic Control Group shown on Page 243. 9J4138 and 9J4944 Valve
parts are shown on Page 242. AN ATTACHMENT
c210019 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8004 [2] PLUG  
  3J-1907 [2] SEAL  
2. 9J-3892 [1] MANIFOLD  
3. 3D-2992 [4] SEAL  
4. 4D-9986 [8] SEAL  
5. 9S-8003 [1] PLUG  
  1J-9671 [1] SEAL  
6. 9J-4944 Y [2] VALVE GROUP  
    (Separate Illustration)
7. 9J-4138 Y [1] VALVE GROUP  
    (Separate Illustration)
8. 9S-8002 [1] PLUG  
  3J-7354 [1] SEAL  
9. 4F-3508 [3] BOLT  
  3B-4505 [3] LOCKWASHER  
10. 9J-3891 [1] MANIFOLD  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10790818
 

1V-8749: BUCKET POSITIONER GROUP

1V8749 BUCKET POSITIONER GROUP
Serial No. 50W1 to 50W1576 inclusive
c238060 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0102 [1] BOLT  
2. 1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
3. 4D-8123 [1] CLIP  
  7S-7046 [1] BRACKET  
4. 2V-9295 [1] TUBE ASSEM.  
5. 5P-2230 [1] CLAMP  
6. 5P-0597 [1] CLAMP  
  2V-9469 [1] SPACER  
7. 1V-8445 [1] BRACKET  
8. 0L-2070 [3] BOLT  
9. 1D-4642 [2] BOLT  
10. 1V-8746 [1] TUBE  
11. 2H-3926 [1] LOCKWASHER  
12. 3V-0956 [1] WIRE ASSEM. (ground)  
    (Includes)
  5P-5623 H WIRE .06 m(2.25 in.)  
  5P-2867 [1] CONNECTOR (harness)  
  5P-2866 [2] CONNECTOR (switch)  
13. 2V-7450 [1] BLOCK ASSEM.  
14. 5P-4058 [2] BOLT  
15. 3C-0570 [8] WASHER  
16. 2V-7449 [1] BLOCK  
17. 5P-5040 [1] PIN  
18. 5P-5043 [6] BOLT  
19. 2V-7453 [1] COVER  
20. 1V-8520 [2] SWITCH ASSEM. (sensing)  
21. 5P-3261 [2] NUT  
22. 2V-7452 [1] HOLDER  
23. 3S-0127 [3] BOLT  
24. 1V-8748 [1] MAGNET ASSEM.  
    (Includes)
  1V-8480 [1] HOLDER  
25. 6D-9677 [1] FILTER  
26. 6D-9704 [1] MAGNET  
27. 2L-6726 [1] RING  
  6D-9705 [1] COVER  
28. 3V-0957 [1] HARNESS ASSEM.  
    (Includes)
  5P-5623 H WIRE (16 gauge)  
29. 5P-2866 [3] CONNECTOR  
30. 2L-8079 [1] TERMINAL (ground)  
  H   ORDER BY THE METER
 

#SEBP10790819
 

1V-8749: BUCKET POSITIONER GROUP

1V8749 BUCKET POSITIONER GROUP
Serial No. 50W1577 to 50W3345 inclusive
c238061 SEBP1079
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0102 [1] BOLT  
2. 1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
3. 4D-8123 [1] CLIP  
  7S-7046 [1] BRACKET  
4. 3V-8505 C [1] TUBE ASSEM.  
5. 9M-7958 C [2] CLAMP  
6. 3K-1470 C [1] SPACER  
  7B-7501 C [1] CLIP  
7. 1V-8445 [1] BRACKET  
8. 0L-2070 C [2] BOLT 95.25 mm(3.75 in.) long  
9. 1D-4642 [2] BOLT  
10. 1V-8746 [1] TUBE  
11. 2H-3926 [1] LOCKWASHER  
12. 3V-0956 [1] WIRE ASSEM. (ground)  
    (Includes)
  5P-5623 H WIRE .22 m(8.66 in.)  
  2L-8066 C [1] TERMINAL  
  5P-2866 [2] CONNECTOR (switch)  
13. 2V-7450 [1] BLOCK ASSEM.  
14. 5P-4058 [2] BOLT  
15. 3C-0570 [8] WASHER  
16. 2V-7449 [1] BLOCK  
17. 5P-5040 [1] PIN  
18. 5P-5043 [6] BOLT  
19. 2V-7453 [1] COVER  
20. 1V-8520 [2] SWITCH ASSEM. (sensing)  
21. 5P-3261 [2] NUT  
22. 2V-7452 [1] HOLDER  
23. 3S-0127 [3] BOLT  
24. 1V-8480 [1] HOLDER  
25. 6D-9677 [1] FILTER  
26. 6D-9704 [1] MAGNET  
27. 2L-6726 [1] RING  
  6D-9705 [1] COVER  
28. 3V-0957 [1] HARNESS ASSEM.  
    (Includes)
  5P-5623 CH WIRE (16 gauge)  
29. 5P-2866 C [2] CONNECTOR  
30. 5K-3294 C [1] CLIP  
31. 4B-1310 C [1] SCREW  
32. 0T-0573 C [1] BOLT 69.85 mm(2.75 in.) long  
  C   INDICATES CHANGE
  H   ORDER BY THE METER
 

Information:

Caterpillar Parts SIS Catalog 988B :

Truck sale:

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