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ACCESSORY DRIVE (8S5414 N/S) 4N4788 Variable Timing Drive parts are shown on Page 24 988 WHEEL LOADER


BASIC ENGINE
DRIVE GP-ACCESSORY
FUEL SYSTEM
GOVERNOR GP
TORQUE CONTROL GP
CONTROL GP-GOVERNOR
TORQUE CONTROL GP
CONTROL GP-GOVERNOR
GOVERNOR GP

WHEEL LOADER 988 WHEEL LOADER 87A
 988 WHEEL LOADER 87A06832-06832 (MACHINE) UEG0881S 988 87A   (1965)

BASIC ENGINE

DRIVE GP-ACCESSORY
VARIABLE TIMING DRIVE ASSEMBLY
4N-4788 VARIABLE TIMING DRIVE ASSEMBLY
DRIVE GP-ACCESSORY
8S-5414 DRIVE GP-ACCESSORY
 

#UEG0881S0020
 

8S-5414: DRIVE GP-ACCESSORY

ACCESSORY DRIVE (8S5414 N/S)
4N4788 Variable Timing Drive parts are shown on Page 24
c205125 UEG0881S
8S5414 DRIVE GP-ACCESSORY Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1571 [3] BOLT  
2. 7M-0969 [1] LOCK  
3. 1M-8366 [1] WASHER  
4. 0S-1594 [1] BOLT  
  9M-0909 [1] LOCK  
5. 4M-2920 [1] GASKET  
6. 0S-1591 [9] BOLT  
7. 3B-4506 [8] LOCKWASHER  
8. 8S-5123 [1] SHAFT  
9. 4J-0519 [1] SEAL  
10. 4M-2917 [1] COUPLING  
11. 8M-8404 [1] COVER  
  7M-0038 [1] GASKET  
12. 4N-4788 YC [1] DRIVE ASSEM.  
    (Separate Illustration)
13. 2B-2695 [8] BOLT  
14. 3B-4505 [12] LOCKWASHER  
15. 4B-4277 [1] WASHER  
16. 3S-8435 [1] COVER  
17. 2S-7470 [1] PIN  
18. 1B-4218 [2] WASHER  
19. 3H-3385 [2] SEAL  
20. 2A-5220 [2] PLUG  
21. 1B-9575 [1] BOLT  
22. 1B-7182 [5] BOLT  
23. 2S-7472 [1] GASKET  
24. 4N-5350 C [1] HOUSING ASSEM.  
    (Includes)
25. 5M-6214 [3] PLUG  
26. 2H-1190 [2] DOWEL  
27. 0S-0484 [2] BOLT  
28. 1S-0777 [1] LOCK  
29. 1B-4203 [3] NUT  
30. 8S-8169 [1] CAGE ASSEM.  
    (Includes)
  3D-4603 [1] PLUG  
31. 1S-7315 [1] BEARING  
32. 0L-0364 [5] LOCK  
33. 1S-7058 [1] PLATE  
34. 1M-7390 [2] LOCK  
35. 0S-1603 [4] BOLT  
  1S-7658 [1] LOCK  
36. 8S-5116 [1] GEAR ASSEM. (40 teeth)  
    (Includes)
37. 3H-3130 [1] DOWEL  
38. 4L-4150 [1] SHAFT  
39. 5L-8850 [1] GEAR ASSEM. (55 teeth)  
    (Includes)
40. 4L-4145 C [2] BEARING  
41. 0L-2070 [1] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0881S0021
 

9S-0685: PUMP & GOVERNOR GP

FUEL PUMP HOUSING AND GOVERNOR (9S685 N/S)
2P8738 Governor and 8S5174 Fuel Pump Housing parts are
shown on Pages 30, 31 and 33
c145532 UEG0881S
9S0685 PUMP & GOVERNOR GP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-5174 Y [1] PUMP GROUP  
    Separate Illustration)
2. 1B-2790 [2] BOLT  
3. 3B-4505 [6] LOCKWASHER  
4. 3P-0150 C [1] GASKET  
5. 2P-8738 YC [1] GOVERNOR GROUP  
    (Separate Illustration)
6. 8M-9140 [1] SPRING  
7. 1B-9575 [4] BOLT  
8. 2P-9556 [1] WASHER (.060 in. thick)  
  2N-0828 [1] WASHER (.010 in. thick)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0881S0022
 

4N-4263: GOVERNOR TORQUE SPRING

GOVERNOR TORQUE SPRING (4N4263 N/S)
Serial No. 87A6832 and 87A6868 to 87A7912 inclusive
c143958 UEG0881S
4N4263 GOVERNOR TORQUE SPRING Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-6292 [1] LOCK  
2. 8M-9062 [1] RETAINER  
3. 1P-6452 [1] INSULATOR  
4. 8L-8600 [1] SPRING (.032" Thick)  
5. 1P-6453 [1] BAR (.250" Thick)  
6. 2S-9524 [1] SPACER (.010" Thick)  
7. 4N-4218 [1] CONTACT  
8. 4F-7957 [2] BOLT  
 

#UEG0881S0023
 

8S-6872: CONTROL GP-GOVERNOR

GOVERNOR CONTROL (8S6872 N/S)--Engine Mounted
c138036 UEG0881S
8S6872 CONTROL GP-GOVERNOR Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-6145 [1] SHAFT  
2. 1K-6977 [1] SCREW  
  5B-5492 [1] WASHER  
3. 5H-1190 [1] SEAL  
4. 9M-6090 [1] COUPLING  
5. 9S-8698 C [1] SUPPORT  
6. 4F-7957 [4] BOLT  
  3B-4504 [4] LOCKWASHER  
7. 7M-6955 [1] GASKET  
  C   INDICATES CHANGE
 

#UEG0881S0024
 

4N-4263: GOVERNOR TORQUE SPRING

GOVERNOR TORQUE SPRING (4N4263 N/S)
Serial No. 87A7913-Up
c154322 UEG0881S
4N4263 GOVERNOR TORQUE SPRING Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-6292 [1] LOCK  
2. 8M-9062 [1] RETAINER  
3. 1P-6452 [1] INSULATOR  
4. 2S-4107 C [1] SPRING .6858 mm(.027 in.) thick  
5. 1P-6453 [1] BAR 6.35 mm(.250 in.) thick  
6. 1P-9958 C [1] INSULATOR  
7. 9L-3626 C [2] SPACER .4064 mm(.016 in.) thick  
8. 4N-4218 [1] CONTACT  
9. 4F-7957 [2] BOLT  
  C   INDICATES CHANGE
 

#UEG0881S0025
 

1V-6984: GOVERNOR CONTROL

GOVERNOR CONTROL (1V6984 N/S)
c200910 UEG0881S
1V6984 GOVERNOR CONTROL Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3S-6157 [1] PEDAL ASSEM.  
  4K-1915 [1] PEDAL  
    (PART OF PEDAL ASSEM. 3S6157)
  1B-0676 [2] PIN  
  3B-4615 [2] COTTER PIN  
  5K-3548 [1] ROD  
  5B-9079 [1] NUT  
  1M-1341 [1] END  
  3F-1761 [1] SPRING  
  4K-0021 [1] LEVER  
  0S-1588 [1] BOLT  
  9M-4063 [1] LEVER  
  1B-0676 [2] PIN  
  3B-4615 [2] COTTER PIN  
  2K-0400 [2] END  
  5B-9079 [2] NUT  
  3S-4807 [2] BRACKET  
  7F-9777 [1] BEARING  
  4B-2906 [1] PIN  
    (PARTS OF PEDAL ASSEM. 3S6157)
  0L-1351 [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  7S-1727 [1] SHAFT  
  1B-8704 [2] KEY  
  0S-1588 [1] BOLT  
  5B-9079 [2] NUT  
  1M-1341 [1] END  
  4K-2182 [1] LEVER ASSEM.  
  1K-4708 [2] WASHER  
  3B-4617 [2] COTTER PIN  
  3B-1347 [1] BEARING  
    (PART OF LEVER ASSEM. 4K2182)
  2K-0400 [1] END  
  1V-6979 [1] ROD  
  7K-4107 [1] ROD  
  5B-9079 [1] NUT  
  1A-9252 [1] END  
  7K-0031 [1] LEVER  
  2D-7563 [1] BOLT  
  1B-4201 [1] NUT  
  6D-0475 [1] LINK ASSEM.  
  1B-0676 [2] PIN  
  3B-4615 [2] COTTER PIN  
  7K-9365 [1] LEVER ASSEM.  
  3B-1347 [1] BEARING  
    (PART OF LEVER ASSEM. 7K9365)
  1B-0676 [2] PIN  
  3B-4615 [2] COTTER PIN  
  1A-9252 [2] END  
  5B-9079 [2] NUT  
  1S-4801 [1] ROD  
 

#UEG0881S0026
 

2P-8738: GOVERNOR GROUP

2P8738 GOVERNOR GROUP--Part 1 of 2
Serial No. 87A6868 to 9727, 9729, 9730, 9732 to 9734, 9737 to 9739 and 87A9742 inclusive
Part of 9S685 Fuel Pump Housing and Governor Group shown on Page 27
c205937 UEG0881S
2P8738 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8697 [1] GASKET  
2. 9S-4673 [1] BAND ASSEM.  
3. 9S-4468 [1] BOLT  
4. 2F-4159 [1] LOCK  
5. 9M-6302 [2] WASHER  
6. 9M-6303 [1] SPRING  
7. 2S-0008 [1] SEAT  
8. 2S-0007 [1] SLEEVE  
9. 7B-8105 [1] LOCK  
10. 5S-5060 [1] WEIGHT ASSEM.  
    (Includes)
  2S-0101 [2] WEIGHT  
11. 1S-5440 [2] DOWEL  
12. 9M-6293 [1] LOCK  
13. 0S-1615 [3] BOLT  
14. 2P-8725 [1] PISTON ASSEM.  
    (Includes)
  7S-8447 [1] PISTON AND VALVE ASSEM.  
15. 4N-3507 [1] CYLINDER  
16. 4N-0820 [1] SLEEVE  
17. 8M-8997 [1] SEAL  
18. 3K-0810 [1] RING  
19. 7M-7219 [1] BEARING  
20. 7M-7193 [2] RACE  
21. 8M-8993 [1] RING  
22. 8M-8726 [1] DOWEL  
23. 6N-3504 C [1] SEAT  
24. 8H-9181 [1] SPRING  
25. 8M-8739 [1] BOLT  
26. 2P-8679 [1] STRAINER ASSEM.  
27. 9M-4704 [1] SCREW  
28. 8L-4154 [1] COLLAR  
29. 8L-4155 [1] SCREW  
  5S-9607 [1] NUT  
30. 2P-8675 [1] COVER  
31. 3P-0131 [1] SPRING  
  C   INDICATES CHANGE
 

#UEG0881S0027
 

2P-8738: GOVERNOR GROUP

2P8738 GOVERNOR GROUP--Part 2 of 2
Serial No. 87A6868 to 9727, 9729, 9730, 9732 to 9734, 9737 to 9739 and 87A9742 inclusive
Part of 9S685 Fuel Pump Housing and Governor Group shown on Page 27
c145535 UEG0881S
2P8738 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8737 [1] HOUSING ASSEM.  
    (Includes)
  8M-8403 [1] GUIDE  
  4N-4881 [1] PLUG  
2. 4F-4585 [1] PLUG  
3. 8S-0134 [1] BEARING  
4. 4N-4879 [1] PLUG  
5. 9S-0798 [1] BEARING  
6. 2B-2694 [5] BOLT  
7. 5L-8991 [1] GASKET  
8. 8S-8952 [1] SCREW (high idle)  
9. 2P-8747 [1] LEVER ASSEM.  
    (Includes)
  9S-4466 [1] LEVER ASSEM.  
10. 5H-1351 [1] PIN  
11. 5S-9635 [1] SPRING  
12. 9M-9788 [1] PLUNGER  
13. 5L-8997 [1] SCREW (low idle)  
14. 2J-0157 [2] SEAL  
15. 5L-8992 [1] COVER  
16. 6L-1756 [1] BOLT  
17. 9M-1216 [1] PLUNGER  
18. 1S-9312 [1] SPRING  
19. 9S-5393 [1] PLUG  
  2P-8763 [1] GASKET  
20. 8S-5161 [1] SHAFT  
21. 3P-0009 [1] INSULATOR  
 

#UEG0881S0028
 

2P-8738: GOVERNOR GROUP

2P8738 GOVERNOR GROUP--Part 1 of 2
Serial No. 87A9728, 9731, 9735, 9736, 9740, 9741 and 87A9743-Up
Part of 9S685 Fuel Pump Housing and Governor Group shown on Page 27
c161314 UEG0881S
2P8738 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8697 [1] GASKET  
2. 9S-4673 [1] BAND ASSEM.  
3. 9S-4468 [1] BOLT  
4. 2F-4159 [1] LOCK  
5. 9M-6302 [2] WASHER  
6. 9M-6303 [1] SPRING  
7. 6N-8629 C [1] SEAT  
8. 2S-0007 [1] SLEEVE  
9. 7B-8105 [1] LOCK  
10. 5S-5060 [1] WEIGHT ASSEM.  
    (Includes)
  2S-0101 [2] WEIGHT  
11. 1S-5440 [2] DOWEL  
12. 9M-6293 [1] LOCK  
13. 0S-1615 [3] BOLT  
14. 2P-8725 [1] PISTON ASSEM.  
    (Includes)
  7S-8447 [1] PISTON AND VALVE ASSEM.  
15. 4N-3507 [1] CYLINDER  
16. 4N-0820 [1] SLEEVE  
17. 8M-8997 [1] SEAL  
18. 3K-0810 [1] RING  
19. 7M-7219 [1] BEARING  
20. 7M-7193 [2] RACE  
21. 4N-3887 C [1] RING  
22. 2P-8630 C [1] DOWEL  
23. 6N-3504 [1] SEAT  
24. 8H-9181 [1] SPRING  
25. 8M-8739 [1] BOLT  
26. 2P-8679 [1] STRAINER ASSEM.  
27. 9M-4704 [1] SCREW  
28. 8L-4154 [1] COLLAR  
29. 8L-4155 [1] SCREW  
  1B-4201 C [1] NUT  
30. 6N-6116 C [1] COVER  
31. 3P-0131 [1] SPRING  
  C   INDICATES CHANGE
 

#UEG0881S0029
 

2P-8738: GOVERNOR GROUP

2P8738 GOVERNOR GROUP--Part 2 of 2
Serial No. 87A9728, 9731, 9735, 9736, 9740, 9741 and 87A9743-Up
Part of 9S685 Fuel Pump Housing and Governor Group shown on Page 27
c145535 UEG0881S
2P8738 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8737 [1] HOUSING ASSEM.  
    (Includes)
  8M-8403 [1] GUIDE  
  4N-4881 [1] PLUG  
2. 4F-4585 [1] PLUG  
3. 8S-0134 [1] BEARING  
4. 4N-4879 [1] PLUG  
5. 9S-0798 [1] BEARING  
6. 2B-2694 [5] BOLT  
7. 5L-8991 [1] GASKET  
8. 8S-8952 [1] SCREW (high idle)  
9. 2P-8747 [1] LEVER ASSEM.  
    (Includes)
  9S-4466 [1] LEVER ASSEM.  
10. 5H-1351 [1] PIN  
11. 5S-9635 [1] SPRING  
12. 9M-9788 [1] PLUNGER  
13. 5L-8997 [1] SCREW (low idle)  
14. 2J-0157 [2] SEAL  
15. 5L-8992 [1] COVER  
16. 6L-1756 [1] BOLT  
17. 9M-1216 [1] PLUNGER  
18. 1S-9312 [1] SPRING  
19. 9S-5393 [1] PLUG  
  2P-8763 [1] GASKET  
20. 8S-5161 [1] SHAFT  
21. 3P-0009 [1] INSULATOR  
 

Information:

Service Magazine
New Crankshaft Front Seal And Wear Sleeve Permit Crankshafts With Seal Wear To Be Used Again{1151,1160}
1977/04/18

Caterpillar Parts SIS Catalog 988 :

CAMSHAFT GP
9S-0737 CAMSHAFT GP
VARIABLE TIMING DRIVE ASSEMBLY
4N-4788 VARIABLE TIMING DRIVE ASSEMBLY
DRIVE GP-CAMSHAFT
2P-1460 DRIVE GP-CAMSHAFT
CYLINDER HEAD & VALVE GP
9S-0732 CYLINDER HEAD & VALVE GP
CYLINDER HEAD & VALVE GP
9S-0732 CYLINDER HEAD & VALVE GP
FLYWHEEL GP
4S-9173 FLYWHEEL GP
DAMPER & PULLEY GP
1P-1254 DAMPER & PULLEY GP
FLYWHEEL GP
4S-9173 FLYWHEEL GP
PUMP & GOVERNOR GP
9S-0685 PUMP & GOVERNOR GP
GOVERNOR TORQUE SPRING
4N-4263 GOVERNOR TORQUE SPRING
CONTROL GP-GOVERNOR
8S-6872 CONTROL GP-GOVERNOR
GOVERNOR TORQUE SPRING
4N-4263 GOVERNOR TORQUE SPRING
GOVERNOR CONTROL
1V-6984 GOVERNOR CONTROL
GOVERNOR GROUP
2P-8738 GOVERNOR GROUP
GOVERNOR GROUP
2P-8738 GOVERNOR GROUP
GOVERNOR GROUP
2P-8738 GOVERNOR GROUP

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