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3K9869 BRAKE BOOSTER ASSEMBLY Part of 1V4777 Booster Group and 9K6256 Winch Control Booster Group shown on Pages 125 & 126 518




WORK TOOLS

WINCH GP
 

#UEG0741S0250
 

3K-9869: BOOSTER AS-BRAKE

3K9869 BRAKE BOOSTER ASSEMBLY
Part of 1V4777 Booster Group and 9K6256 Winch Control Booster Group shown on Pages 125 & 126
c119746 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3K-0847 [1] RING  
  [1] WICK  
  3K-9846 [1] PLATE  
  3K-9849 [1] PLATE  
  3K-0774 [1] CYLINDER ASSEM.  
  3K-9737 [1] PLATE ASSEM.  
  3K-0764 [1] SPRING  
  3K-0715 [1] SEAL  
  3K-0722 [1] SLEEVE  
  3K-0710 [1] CUP  
  3K-0842 [1] WASHER  
  3K-9850 [1] ROD ASSEM.  
  3K-0791 [1] SPRING  
  3K-0811 [1] PACKING  
  3K-9847 [1] RETAINER  
  3K-9848 [1] NUT  
  3K-1927 [1] PISTON  
  4K-0315 [1] PACKING (REAR)  
  4K-0314 [1] PACKING (FRONT)  
  1B-4202 [6] NUT  
  3B-4505 [6] LOCKWASHER  
  3K-0700 [4] BOLT (1.75" LONG)  
  4B-9883 [2] BOLT (.875" LONG)  
  3K-0760 [1] RETAINER  
  9F-3958 [1] SEAL  
  3K-0719 [1] SEAL  
    (PARTS OF PLATE ASSEM. 3K9737)
  3K-0708 [1] SEAL  
  0S-1615 [6] BOLT  
  3B-4504 [6] LOCKWASHER  
  8H-1037 [1] RING  
  3K-0713 [1] DIAPHRAGM ASSEM.  
  3K-0723 [1] VALVE BODY ASSEM.  
  2B-7457 [1] PLUG (PIPE)  
  3K-0835 [1] NUT  
  3K-0809 [1] SPRING  
  3K-0707 [1] ADAPTER  
  3K-0844 [1] PLATE  
  4K-3032 [1] SPRING  
  3K-0718 [1] SEAL  
  3K-0837 [2] SCREW  
  3K-0704 [1] DIAPHRAGM  
  3K-0843 [1] WASHER  
  3K-1926 [1] FITTING  
  3K-0812 [1] PLUG  
  3K-0785 [1] RING  
  3K-0806 [1] SPRING  
  3K-0763 [1] WASHER  
  3K-0775 [1] VALVE ASSEM.  
  3K-0709 [1] NUT  
  3K-0721 [1] GASKET  
  3K-0833 [1] TUBE  
  3K-0825 [1] PACKING  
  3K-0765 [1] RING  
  3K-0838 [1] RETAINER  
  3K-0711 [1] SPRING  
  3D-2891 [1] BALL  
    (PARTS OF PISTON ASSEM. 3K788)
  3K-0717 [1] SEAL  
  3K-0788 [1] PISTON ASSEM.  
  3K-0783 [1] PIN  
  3K-0802 [1] SEAL  
  3K-0784 [1] RING  
  3K-0720 [1] WASHER  
 

#UEG0741S0251
 

7K-5369: DRIVE GP-WINCH

7K5369 WINCH DRIVE GROUP
Serial No. 50S597 to 50S1240 inclusive, 55U152 to 55U262 inclusive and 94U1 to 94U254 inclusive
7K5446, 9K6056 and 7K5447 Joint parts are shown on Pages 124, 128B and 129
c145252 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-6055 C [1] YOKE  
2. 9K-6056 YC [1] JOINT GROUP  
    (Separate Illustration)
3. 3B-8488 [1] FITTING  
4. 7K-5447 Y [1] JOINT GROUP  
    (Separate Illustration)
5. 5D-8269 [24] BOLT  
6. 8M-3811 [3] WASHER  
7. 0S-1571 [3] BOLT  
8. 1P-5387 [4] SEAL  
9. 7K-5448 [4] CUP  
10. 7K-5721 [4] YOKE  
11. 7K-5449 [4] CONE  
12. 8K-7269 [2] SHAFT  
13. 7K-5446 Y [1] JOINT GROUP  
    (Separate Illustration)
14. 7K-8616 [1] HOUSING  
15. 0S-1587 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
16. 7K-8621 [1] HOUSING  
17. 3B-8489 [1] FITTING  
18. 8K-8518 C [2] SHIM (Use as required)  
19. 5S-0059 C [2] SHIM (Use as required)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0252
 

7K-5369: DRIVE GP-WINCH

7K5369 WINCH DRIVE GROUP
Serial No. 50S1241-Up, 55U263-Up and 94U255-Up
7K5446, 7K5447 and 2V1153 Joint parts are shown on Pages 124 and 129
c154279 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-6055 [1] YOKE  
2. 2V-1153 YC [1] JOINT GROUP  
    (Separate Illustration)
3. 3B-8488 [1] FITTING  
4. 7K-5447 Y [1] JOINT GROUP  
    (Separate Illustration)
5. 5D-8269 [24] BOLT  
6. 8M-3811 [3] WASHER  
7. 0S-1571 [3] BOLT  
8. 1P-5387 [4] SEAL  
9. 7K-5448 [4] CUP  
10. 7K-5721 [4] YOKE  
11. 7K-5449 [4] CONE  
12. 8K-7269 [2] SHAFT  
13. 7K-5446 Y [1] JOINT GROUP  
    (Separate Illustration)
14. 1V-9649 C [1] HOUSING  
15. 0S-1587 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
16. 1V-9648 C [1] HOUSING  
17. 3B-8489 [1] FITTING  
18. 8K-8518 [2] SHIM (Use as required)  
19. 5S-0059 [2] SHIM (Use as required)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0253
 

9K-6056: SLIP JOINT GROUP

9K6056 SLIP JOINT GROUP
Serial No. 50S597 to 50S1240 inclusive, 55U152 to 55U262 inclusive and 94U1 to
94U254 inclusive. Part of 7K5369 Winch Drive Group shown on Page 128
c145253 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-1973 [1] YOKE ASSEM.  
2. 3B-8489 [1] FITTING  
3. 1K-3098 [1] WASHER  
4. 1K-3090 [2] WASHER  
5. 1K-3091 [1] RETAINER  
6. 5D-8269 [8] BOLT  
7. 9K-1976 [2] SPIDER AND BEARING ASSEM.  
8. 5B-0935 [1] FITTING  
9. 9K-1979 [1] YOKE  
 

#UEG0741S0254
 

2V-1153: SLIP JOINT GROUP

2V1153 SLIP JOINT GROUP
Serial No. 50S1241-Up, 55U263-Up and 94U255-Up
Part of 7K5369 Winch Drive Group shown on Page 128A
c154278 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2V-1164 [1] SPIDER AND BEARING ASSEM.  
2. 5D-8269 [8] BOLT  
3. 2V-1147 [1] TUBE ASSEM.  
4. 9K-1976 [1] SPIDER AND BEARING ASSEM.  
    (Includes)
5. 5B-0935 [1] FITTING  
6. 9K-1973 [1] YOKE ASSEM.  
    (Includes)
7. 3B-8489 [1] FITTING  
8. 1K-3098 [1] WASHER  
9. 1K-3090 [2] WASHER  
10. 1K-3091 [1] RETAINER  
 

#UEG0741S0255
 

7K-5447: SLIP JOINT GROUP

7K5447 SLIP JOINT GROUP
Part of 7K5369 Winch Drive Group shown on Pages 128 and 128A
c141260 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-1976 [2] SPIDER AND BEARING ASSEM.  
2. 5B-0935 [1] FITTING  
3. 5D-8269 [8] BOLT  
4. 9K-1978 [1] YOKE  
5. 9K-1972 [1] YOKE ASSEM.  
6. 3B-8489 [1] FITTING  
7. 9K-2694 [1] WASHER  
8. 1K-3090 [1] WASHER  
9. 9K-2693 [1] RETAINER  
 

#UEG0741S0256
 

8K-5273: GUARD GP-DRIVE SHAFT

WINCH DRIVE SHAFT GUARD (8K5273 N/S)
Also part of 8K9694 Hydraulic Arrangement listed on Page 108
c114487 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. C [1] GUARD ASSEM.  
2. [6] BOLT  
  [4] NUT  
  [6] LOCKWASHER  
  [6] WASHER  
3. [1] GUARD  
4. [1] GUARD  
5. C [6] BOLT  
  C [6] WASHER  
  C   INDICATES CHANGE
 

#UEG0741S0257
 

9K-6506: GUARD GP-DRIVE SHAFT

WINCH DRIVE SHAFT GUARD (9K6506 N/S)
Serial No. 55U152-Up
c141259 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-1764 [1] GUARD ASSEM.  
2. 0L-1351 [6] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [6] LOCKWASHER  
  4B-4278 [6] WASHER  
3. 8K-8556 [1] GUARD  
4. 9K-0669 [1] GUARD  
5. 1D-4585 [2] BOLT  
  5S-0581 [2] WASHER  
 

#UEG0741S0258
 

8K-6917: WINCH & ADAPTER GP

8K6917 ADAPTER AND WINCH GROUP
Also part of 1V4775 Boosted Control Winch Arrangement listed on Page 124
9K812 Adapter and 9K739 Winch parts are shown on Pages 131 through 134
c112952 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-0739 Y [1] WINCH ASSEM.  
    (See Separate Illustration)
2. 9K-0812 Y [1] ADAPTER ASSEM.  
    (See Separate Illustration)
3. 2A-1538 [10] BOLT  
  3B-4512 [10] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0259
 

9K-0812: ADAPTER ASSEMBLY

9K812 ADAPTER ASSEMBLY
Part of 8K6917 Adapter and Winch Group
c207325 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9K-2012 [1] HOUSING  
2. 2B-7410 [1] PLUG  
4. 1D-4609 [2] BOLT  
5. 3B-4512 [6] LOCKWASHER  
6. 9K-2133 [1] GEAR  
7. 9K-2129 [4] SPACER  
8. 0S-1607 [4] BOLT  
  1B-4207 [4] NUT  
9. 2D-6642 [2] BALL  
10. 9K-2130 [2] PIN  
11. 2P-8124 [1] BEARING  
12. 9K-2135 [1] RING  
13. 9K-2013 [1] GEAR  
14. 2P-8125 [1] BEARING  
15. 9K-2015 [1] SEAL  
16. 9K-2137 [1] SHAFT (gear)  
17. 9K-2016 [1] SPACER  
18. 4F-7952 [1] SEAL  
19. 3H-1461 [2] SEAL  
20. 2P-8103 [2] BEARING  
21. 3B-4622 [1] COTTER PIN  
22. 9K-2132 [1] GEAR  
    THE FOLLOWING REPAIR KIT IS AVAILABLE
  9K-2136 [1] KIT (gasket)  
    (Includes Gasket and Washer)
 

Information:

Special Instruction
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
Installing 9K2306 Winch Control Valve Repair Kit{5054, 5163}
Installing 9K2306 Winch Control Valve Repair Kit{5054, 5163}
Specifications
Winch Drive Group
518 SKIDDER POWER TRAIN SPECIFICATIONS
Winch Drive Group
518 SKIDDER WINCH
Guard For Winch Drive
518 SKIDDER WINCH
Winch Mounting Group
518 SKIDDER WINCH
Case And Cover Group
518 SKIDDER WINCH
Winch Valve Group
518 SKIDDER WINCH
Systems Operation
Systems Operation
518 SKIDDER WINCH
Testing and Adjusting
Testing And Adjusting
518 SKIDDER WINCH
Disassembly and Assembly
Winch Drive Shaft Group
518 SKIDDER VEHICLE SYSTEMS
Winch
518 SKIDDER VEHICLE SYSTEMS
Winch Brake Bands
518 SKIDDER VEHICLE SYSTEMS
Winch Clutch Bands
518 SKIDDER VEHICLE SYSTEMS
Winch Control Valve
518 SKIDDER VEHICLE SYSTEMS
Input Clutch
518 WINCH
Drum
518 WINCH
Clutch Brake
518 WINCH
Pinion
518 WINCH
Winch
518 WINCH REPLACES SENR572400
Winch Control Valve
518 WINCH REPLACES SENR572400
Input Clutch
518 WINCH REPLACES SENR572400
Idler Gears & Freespool
518 WINCH REPLACES SENR572400
Drum
518 WINCH REPLACES SENR572400
Clutch Brake
518 WINCH REPLACES SENR572400
Bevel Gear & Shaft Assembly
518 WINCH REPLACES SENR572400
Pinion
518 WINCH REPLACES SENR572400
Service Magazine

Caterpillar Parts SIS Catalog 518 :

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- skidder
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