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8J51 STEERING VALVE GROUP Part of 8K5463 Steering Control Group shown on Page 80 8J145 Valve parts are shown on Page 79 518


STEERING SYSTEM
VALVE GP
LINES GP
CYLINDER GP
FRAME AND BODY
LINK GP-STEERING FRAME LOCK
FRAME GP
LINK GP-STEERING FRAME LOCK
FRAME GP

WHEEL SKIDDER 518 WHEEL SKIDDER 50S
 518 SKIDDER 50S00597-01288 (MACHINE) UEG0741S 518 50S   (1971)

STEERING SYSTEM

VALVE GP
CONTROL VALVE GROUP
9K-1762 CONTROL VALVE GROUP
VALVE GP-CONTROL
9K-2258 VALVE GP-CONTROL
VALVE GP
8J-0145 VALVE GP
VALVE GP-STEERING
8J-0051 VALVE GP-STEERING
 

#UEG0741S0160
 

8J-0051: VALVE GP-STEERING

8J51 STEERING VALVE GROUP
Part of 8K5463 Steering Control Group shown on Page 80
8J145 Valve parts are shown on Page 79
c221179 UEG0741S
8J0051 VALVE GP-STEERING Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9S-4191 [2] PLUG  
  3J-1907 [2] SEAL  
  8J-0150 [1] PLATE  
  7B-3028 [1] SCREW  
  9S-8006 [1] PLUG  
  2M-9780 [1] SEAL  
  3G-1725 C [1] SPACER  
  5F-1678 C [1] SEAL  
  8J-0130 [1] COVER  
  4J-5309 [1] SEAL  
  0S-1587 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4J-0522 [1] SEAL  
  0L-1329 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4J-7538 [1] GUIDE  
  4J-7540 [2] SPACER  
  4K-4114 [1] SEAL  
  4J-7546 [1] PILOT  
  5F-8000 [1] SEAL  
  8J-0145 Y [1] VALVE GROUP  
    (Separate Illustration)
  9S-8002 [1] PLUG  
  3J-7354 [1] SEAL  
  2J-6088 [1] SPRING (outer)  
  4J-0519 [1] SEAL  
  4J-7490 [1] SPRING (inner)  
  9J-7795 C [1] VALVE GROUP  
  2J-6089 [1] SPRING  
  3H-2549 [14] SHIM  
  9S-4187 [1] PLUG  
  5J-6322 C [1] SPACER  
  3K-0360 [1] SEAL  
  6F-0711 [1] SEAL  
  5F-8000 [1] SEAL  
  0S-1585 [2] BOLT 3.81 cm(1.5 in.)  
  3B-4508 [2] LOCKWASHER  
  9S-1366 [2] BOLT (6.35 cm(2.5 in.)  
    -OR-
  4K-4937 C [2] BOLT (6.67 cm(2.625 in.)  
  3B-4508 [2] LOCKWASHER  
  9S-0201 C [2] WASHER  
  8J-2323 [1] RETAINER  
  7J-2025 [1] SPRING  
  8J-2324 [1] COVER  
  4J-5309 [2] SEAL  
  7J-2927 [1] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0161
 

8K-5244: STEERING LINES

STEERING LINES (8K5244 N/S)--As Viewed from Left Hand Side of Machine--Part 1 of 2
c207331 UEG0741S
8K5244 STEERING LINES Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8K-6644 [1] FITTING  
2. 1J-9671 [3] SEAL  
3. 1V-2354 C [1] TUBE  
4. 0S-1588 [8] BOLT  
5. 7K-9664 [1] FITTING  
    (Includes)
  1P-0266 [2] NUT  
  7K-9657 [2] SLEEVE  
6. 1V-2355 C [1] TUBE  
7. 7K-9667 [1] FITTING  
    (Includes)
  1P-0266 [1] NUT  
  7K-9657 [1] SLEEVE  
8. 8K-5051 [1] TUBE ASSEM.  
9. 8K-5053 [1] TUBE ASSEM.  
10. 8K-5052 [1] TUBE ASSEM.  
11. 8K-5050 [1] TUBE ASSEM.  
12. 1P-4576 C [4] FLANGE  
  4J-5267 [2] SEAL  
13. 4B-4278 C [8] WASHER  
  C   INDICATES CHANGE
 

#UEG0741S0162
 

8K-5244: STEERING LINES

STEERING LINES (8K5244 N/S)--Top View--Part 2 of 2
c151208 UEG0741S
8K5244 STEERING LINES Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1587 [2] BOLT  
  2H-3788 [2] NUT  
2. 8K-6634 [2] CLAMP  
3. 7K-5847 [1] BRACKET  
4. 0S-1588 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4B-4278 [4] WASHER  
5. 7K-6454 [2] HOSE ASSEM.  
    (Each Includes)
  9S-0247 H HOSE 11.2 in.  
6. 3S-7166 [2] SLEEVE  
7. 8S-3759 [2] COUPLING ASSEM.  
8. 6K-5292 [2] CLIP ASSEM.  
9. 0T-0318 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
10. 8K-5103 [1] TUBE ASSEM.  
11. 2R-6276 [4] CONNECTOR  
  3D-2824 [4] SEAL  
12. 8K-5104 [1] TUBE ASSEM.  
13. 7K-6455 [2] HOSE ASSEM.  
    (Each Includes)
  9S-9724 [1] COUPLING ASSEM.  
14. 3S-7166 [2] SLEEVE  
15. 9S-0247 H HOSE 16.8"  
16. 8S-3759 [1] COUPLING ASSEM.  
17. 7K-5848 [1] BRACKET  
18. 8K-5009 [1] TUBE ASSEM.  
19. 7K-0007 [1] TUBE ASSEM.  
  H   ORDER BY THE INCH
 

#UEG0741S0163
 

7J-3349: CYLINDER GP-STEERING

7J3349 STEERING CYLINDER GROUP--R.H.--3.00" Bore x 17.20" Stroke
c207319 UEG0741S
7J3349 CYLINDER GP-STEERING Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-3347 R [1] CYLINDER ASSEM. (R.H.)  
2. 7J-9884 [1] BEARING  
3. 7J-5639 [1] BOLT  
  8J-7415 C [1] WASHER  
4. 6J-5733 [1] RING  
5. 6J-1972 [1] SEAL ASSEM.  
6. 9J-0497 C [1] HEAD  
7. 6J-5731 [1] RING  
  5H-8848 [1] SEAL  
8. 7J-5682 [1] PISTON  
9. 8J-5911 C [1] CROWN  
10. 7J-3346 [1] ROD ASSEM.  
11. 8J-0278 [1] BEARING  
12. 4J-8980 [1] SEAL  
13. 5J-8175 [1] SEAL  
14. 6J-9178 [1] SEAL  
15. 8J-5912 C [1] SCREW  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0741S0164
 

7J-3350: CYLINDER GP-STEERING

7J3350 STEERING CYLINDER GROUP--L.H.--3.00" Bore x 17.20" Stroke
c207320 UEG0741S
7J3350 CYLINDER GP-STEERING Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-3348 R [1] CYLINDER ASSEM. (L.H.)  
2. 7J-9884 [1] BEARING  
3. 7J-5639 [1] BOLT  
  8J-7415 C [1] WASHER  
4. 6J-5733 [1] RING  
5. 6J-1972 [1] SEAL ASSEM.  
6. 6J-5731 [1] RING  
  5H-8848 [1] SEAL  
7. 6J-9178 [1] SEAL  
8. 5J-8175 [1] SEAL  
9. 8J-5911 C [1] CROWN  
10. 7J-3346 [1] ROD ASSEM.  
11. 8J-0278 [1] BEARING  
12. 4J-8980 [1] SEAL  
13. 9J-0497 C [1] HEAD  
14. 7J-5682 [1] PISTON  
15. 8J-5912 C [1] SCREW  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0741S0165
 

7K-9959: SAFETY LINK

SAFETY LINK (7K9959 N/S)
Serial No. 50S597 to 50S1002 inclusive, 55U152 to
55U227 inclusive and 94U1 to 94U146 inclusive
c112608 UEG0741S
7K9959 SAFETY LINK Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] BOLT  
2. [2] NUT  
3. [1] LINK  
4. [1] BOLT  
 

#UEG0741S0166
 

8K-6819: FRAME GP-NON-ENGINE END

REAR FRAME (8K6819 N/S)
Serial No. 50S597 to 50S1027 inclusive, 94U1 to 94U170 inclusive
c136603 UEG0741S
8K6819 FRAME GP-NON-ENGINE END Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8K-6823 [1] FRAME ASSEM.  
2. 3J-5169 [3] NUT  
3. 6F-6977 [1] WASHER  
4. 7K-8967 [6] NUT  
5. 8K-5012 [1] PLATE ASSEM.  
6. 8S-9092 [23] BOLT  
  2S-7593 [23] WASHER  
7. 3B-8488 [1] FITTING  
 

#UEG0741S0167
 

7K-9959: SAFETY LINK

SAFETY LINK (7K9959 N/S)
Serial No. 50S1003-Up, 55U228-Up and 94U147-Up
c150453 UEG0741S
7K9959 SAFETY LINK Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1V-9376 C [1] PIN  
2. 3B-4629 C [2] COTTER PIN  
3. 8K-8786 [1] LINK  
4. 8K-9065 C [1] PIN  
  C   INDICATES CHANGE
 

#UEG0741S0168
 

8K-6819: FRAME GP-NON-ENGINE END

REAR FRAME (8K6819 N/S)
Serial No. 50S1028-Up and 94U171-Up
c150562 UEG0741S
8K6819 FRAME GP-NON-ENGINE END Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8K-6823 [1] FRAME ASSEM.  
2. 3J-5169 [3] NUT  
3. 6F-6977 [1] WASHER  
4. 7K-8967 [4] NUT  
5. 1F-0748 C [4] NUT  
6. 2V-2012 C [1] PLATE ASSEM.  
7. 0S-1625 C [17] BOLT  
  5S-0581 [17] WASHER  
8. 3B-8488 [1] FITTING  
  C   INDICATES CHANGE
 

#UEG0741S0169
 

9K-1834: REAR FRAME

REAR FRAME (9K1834 N/S)
Serial No. 55U152 to 55U234 inclusive
c114474 UEG0741S
9K1834 REAR FRAME Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] FRAME ASSEM.  
2. [3] NUT  
3. [1] WASHER  
4. [6] NUT  
5. [4] BAR  
6. [1] PLATE ASSEM.  
7. [17] BOLT  
  [17] WASHER  
8. [1] FITTING  
 

Information:

Reuse And Salvage Guidelines
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Contamination Control Guidelines
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Disassembly and Assembly
Steering Control Valve
518 SKIDDER VEHICLE SYSTEMS
Diverter Valve
518 SKIDDER VEHICLE SYSTEMS
Fuel Check Valve And Bypass Valve
3304 VEHICULAR ENGINE FOR 518 SKIDDERS
Service Magazine
Warning: Use Correct Seal On Seat Assembly For Valve Group In Steering Valve Group{4307,4312,4322}
1980/12/01
New Steering Valve Has Priority Valve For Improved Steering{4307,5056,5057}
1981/02/23
243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/01

Caterpillar Parts SIS Catalog 518 :

PUMP GP-GEAR
1V-8793 PUMP GP-GEAR
SUPPLEMENTAL STEERING PUMP AND MOTOR GROUP
1V-5343 SUPPLEMENTAL STEERING PUMP AND MOTOR GROUP
STEERING CONTROL GROUP
8K-5463 STEERING CONTROL GROUP
VALVE GP
8J-0145 VALVE GP
BRAKE GUARD GROUP
9K-6322 BRAKE GUARD GROUP
BRAKE GP
1V-2157 BRAKE GP
BRAKE GP
1V-2156 BRAKE GP
AIR/HYDRAULIC CYLINDER GROUP
8K-8009 AIR/HYDRAULIC CYLINDER GROUP
STEERING LINES
8K-5244 STEERING LINES
8K-5244 STEERING LINES
CYLINDER GP-STEERING
7J-3349 CYLINDER GP-STEERING
CYLINDER GP-STEERING
7J-3350 CYLINDER GP-STEERING
SAFETY LINK
7K-9959 SAFETY LINK
FRAME GP-NON-ENGINE END
8K-6819 FRAME GP-NON-ENGINE END
SAFETY LINK
7K-9959 SAFETY LINK
FRAME GP-NON-ENGINE END
8K-6819 FRAME GP-NON-ENGINE END

Truck sale:

 
 
Caterpillar 518, Forestry Equipment
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- skidder
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