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7J8925 LIFT CYLINDER GROUP--4.00" Bore x 14.00" Stroke--2 Required 518 WHEEL SKIDDER




HYDRAULIC SYSTEM

CYLINDER GP
 

#UEG0741S0220
 

7J-8925: CYLINDER GP-LIFT

7J8925 LIFT CYLINDER GROUP--4.00" Bore x 14.00" Stroke--2 Required
c207318 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-6469 [1] PISTON  
2. 7J-8926 R [1] CYLINDER ASSEM.  
3. 8J-0278 [1] BEARING  
4. 6H-3609 [1] BOSS  
5. 1H-8128 [1] SEAL  
6. 2K-6830 [1] RING  
7. 7J-6462 [1] HEAD  
8. 7J-6461 [1] CROWN  
9. 8J-1564 [1] ROD ASSEM.  
10. 8J-0001 [1] BEARING  
11. 1K-6981 [1] SEAL  
12. 5J-8200 [1] SEAL  
13. 7J-5639 [1] BOLT  
14. 6J-6917 [1] SEAL  
15. 5J-5402 [1] SEAL ASSEM.  
  5J-5400 [1] SEAL  
16. 6J-2797 [1] RING  
17. 8J-7415 C [1] WASHER  
18. 8J-5912 C [1] SETSCREW  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0741S0221
 

8J-1872: HYDRAULIC PUMP GROUP

8J1872 HYDRAULIC PUMP GROUP
Serial No. 55U152-Up
c114473 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-2060 [1] CARTRIDGE ASSEM. (17 G.P.M.)  
2. 2H-3934 J [1] SEAL  
3. 1S-0669 J [1] RING  
4. 2H-4145 J [1] SEAL  
5. 4M-7652 [1] RING (Outer)  
6. 1L-8497 [1] RING (Inner)  
7. 6B-1124 [1] BEARING  
8. 4M-7648 [1] WASHER  
9. 4J-0980 J [1] SEAL  
10. 4J-0981 J [1] WIPER  
11. 4J-5150 [1] SHAFT  
12. 7B-3235 H [2] BOLT  
  3B-4508 H [2] LOCKWASHER  
13. 1H-6227 H [1] SEAL  
14. 4J-4834 [1] BODY  
15. 1S-0670 J [1] RING  
16. 1H-9696 J [1] SEAL  
17. 4J-0975 [1] COVER  
18. 1D-4569 [4] BOLT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  4J-9281 [1] KIT (Seal)  
    (Consists of Parts Marked J)
  H   NOT PART OF 8J1872 PUMP GROUP
 

#UEG0741S0222
 

7J-9981: HYDRAULIC PUMP GROUP

7J9981 HYDRAULIC PUMP GROUP
Serial No. 50S597 to 50S920 inclusive and 94U1-Up
c112606 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-0554 R [1] CARTRIDGE ASSEM. (14 G.P.M.)  
2. 2H-3934 J [1] SEAL  
3. 1S-0669 J [1] RING  
4. 2H-4145 J [1] SEAL  
5. 4M-7652 [1] RING  
6. 1L-8497 [1] RING  
7. 6B-1124 [1] BEARING  
8. 4M-7648 [1] WASHER  
9. 4J-0980 J [1] SEAL  
10. 4J-0981 J [1] WIPER  
11. 4J-5150 [1] SHAFT  
12. 7B-3235 H [2] BOLT  
  3B-4508 H [2] LOCKWASHER  
13. 1H-6227 H [1] SEAL  
14. 4J-4834 [1] BODY  
15. 1S-0670 J [1] RING  
16. 1H-9696 J [1] SEAL  
17. 4J-0975 [1] COVER  
18. 1D-4569 [4] BOLT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  4J-9281 [1] KIT (Seal)  
    (Consists of Parts Marked J)
  H   NOT PART OF 7J9981 PUMP GROUP
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0741S0223
 

7J-9981: HYDRAULIC PUMP GROUP

7J9981 HYDRAULIC PUMP GROUP
Serial No. 50S921-Up
c207655 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-0554 R [1] CARTRIDGE ASSEM. (14 G.P.M.)  
2. 2H-3934 J [1] SEAL  
3. 1S-0669 J [1] RING  
4. 2H-4145 J [1] SEAL  
5. 4M-7652 [1] RING  
6. 1L-8497 [1] RING  
7. 6B-1124 [1] BEARING  
8. 4M-7648 [1] WASHER  
9. 4J-0980 J [1] SEAL  
11. 4J-5150 [1] SHAFT  
12. 7B-3235 H [2] BOLT  
  3B-4508 H [2] LOCKWASHER  
13. 1H-6227 H [1] SEAL  
14. 4J-4834 [1] BODY  
15. 1S-0670 J [1] RING  
16. 1H-9696 J [1] SEAL  
17. 4J-0975 [1] COVER  
18. 1D-4569 [4] BOLT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  8J-7393 C [1] KIT (Seal)  
    (Consists of Parts Marked J)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  H   NOT PART OF 7J9981 PUMP GROUP
 

#UEG0741S0224
 

9K-0317: HYDRAULIC HAND CONTROL GROUP

9K317 HYDRAULIC HAND CONTROL GROUP--Part 1 of 2
Serial No. 55U152-Up
8J1873 Valve parts are shown on Page 118
c207323 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-1873 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 9K-1551 [3] EYE  
3. 9K-1545 [3] ROD  
4. 3B-5301 [2] COTTER PIN  
5. 7J-8744 [4] WASHER  
6. 9K-0093 [1] LEVER  
7. 4H-3119 [1] PIN  
8. 6K-9883 [6] BEARING  
9. 8K-0025 [1] LEVER  
10. 9K-0099 [2] LEVER  
11. 1H-1200 [2] PIN  
12. 9K-1923 [2] SHAFT  
13. 0T-0319 [3] BOLT  
  3B-4507 [3] LOCKWASHER  
  4B-4279 [3] WASHER  
14. 0S-0509 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
15. 3K-0925 [2] WASHER  
16. 9K-2233 [1] ANGLE ASSEM.  
17. 9F-2978 [2] NUT  
18. 1D-4717 [1] NUT  
19. 9K-1554 [1] PLATE  
20. 9K-8757 C [3] ROD END  
21. 1A-8285 [6] NUT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0225
 

9K-0317: HYDRAULIC HAND CONTROL GROUP

9K317 HYDRAULIC HAND CONTROL GROUP--Part 2 of 2
Serial No. 55U152-Up
c207324 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-4430 [2] NUT  
2. 9K-1546 [2] ROD  
3. 5B-9079 [2] NUT  
4. 6D-0679 [2] KNOB  
5. 2H-2292 [2] ROD  
6. 9K-1617 [1] MOUNTING ASSEM.  
7. 9K-1613 [4] SHAFT  
8. 9K-2158 [1] SHAFT  
9. 9K-1612 [1] SHAFT  
10. 0S-0509 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
11. 9K-0098 [6] BELLCRANK  
  6K-9883 [6] BEARING  
12. 9K-1614 [1] SPACER  
13. 7J-8744 [4] WASHER  
14. 9K-1553 [1] SHAFT  
15. 9K-2231 [1] SPACER  
16. 9K-1554 [1] PLATE  
17. 1D-4717 [1] NUT  
18. 9K-1548 [2] ROD  
19. 9K-1549 [2] ROD  
20. 1A-8285 C [25] NUT  
21. 9K-8757 C [12] ROD END  
22. 9K-1615 [3] SPACER  
23. 3B-5301 [3] COTTER PIN  
24. 3B-4505 [15] LOCKWASHER  
25. 9K-1552 [1] SHAFT  
  C   INDICATES CHANGE
 

#UEG0741S0226
 

9K-0318: HYDRAULIC HAND CONTROL GROUP

9K318 HYDRAULIC HAND CONTROL GROUP--Top View--Part 1 of 2
Serial No. 55U152-Up
Part of 8K9694 Hydraulic Arrangement listed on Page 108
8J1874 Valve parts are shown on Page 119
c207660 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-1874 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 9K-1551 [4] EYE  
3. 9K-1545 [4] ROD  
4. 3B-5301 [2] COTTER PIN  
5. 7J-8744 [4] WASHER  
6. 9K-8757 C [4] ROD END  
7. 1A-8285 [8] NUT  
8. 6K-9883 [6] BEARING  
9. 8K-0025 [2] LEVER  
10. 9K-0099 [2] LEVER  
11. 1H-1200 [2] PIN  
12. 9K-1923 [2] SHAFT  
  0T-0319 [3] BOLT  
  3B-4507 [3] LOCKWASHER  
  4B-4279 [3] WASHER  
14. 0S-0509 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
15. 3K-0925 [2] WASHER  
16. 9K-2233 [1] ANGLE ASSEM.  
17. 9F-2978 [2] NUT  
18. 1D-4717 [1] NUT  
19. 9K-1554 [1] PLATE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0227
 

9K-0318: HYDRAULIC HAND CONTROL GROUP

9K318 HYDRAULIC HAND CONTROL GROUP--Rear View--Part 2 of 2
Serial No. 55U152-Up
Part of 8K9694 Hydraulic Arrangement listed on Page 108
c207661 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-4430 [2] NUT  
2. 9K-1546 [2] ROD  
3. 5B-9079 [2] NUT  
4. 6D-0679 [2] KNOB  
5. 2H-2292 [2] ROD  
6. 9K-1617 [1] MOUNTING ASSEM.  
    (Includes)
7. 9K-1613 [4] SHAFT  
8. 9K-2158 [1] SHAFT  
9. 9K-1612 [1] SHAFT  
10. 0S-0509 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
11. 9K-0098 [8] BELLCRANK  
  6K-9883 [8] BEARING  
12. 9K-1614 [3] SPACER  
13. 7J-8744 [5] WASHER  
14. 9K-1553 [1] SHAFT  
15. 9K-1550 [2] ROD  
16. 9K-1554 [1] PLATE  
17. 1D-4717 [1] NUT  
18. 9K-1548 [2] ROD  
19. 9K-1549 [2] ROD  
20. 1A-8285 C [34] NUT  
21. 9K-8757 C [16] ROD END  
22. 9K-1615 [4] SPACER  
23. 3B-5301 [4] COTTER PIN  
24. 3B-4505 [20] LOCKWASHER  
25. 9K-1552 [1] SHAFT  
  C   INDICATES CHANGE
 

#UEG0741S0228
 

8J-1873: VALVE GROUP

8J1873 VALVE GROUP
Part of Hydraulic Hand Control shown on Page 114
8J7242, 8J7243 and 8J7244 Valve parts are shown on Pages 120 and 121
c114506 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7242 Y [1] VALVE GROUP  
2. 8J-7244 Y [1] VALVE GROUP  
3. 8J-7243 Y [1] VALVE GROUP  
    (See Separate Illustration)
4. 5F-4899 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
5. 4K-4986 [2] SEAL (1.114" Inside Diameter)  
6. 5K-9090 [4] SEAL (.926" Inside Diameter)  
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0229
 

8J-1874: VALVE GROUP

8J1874 VALVE GROUP
Part of 9K318 Hydraulic Hand Control Group shown on Page 116
8J7242, 8J7243, 8J7244 and 8J7255 Valve parts are shown on Pages 120 and 121
c163222 UEG0741S
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7242 Y [1] VALVE GROUP  
2. 8J-7255 Y [1] VALVE GROUP  
3. 8J-7244 Y [1] VALVE GROUP  
4. 8J-7243 Y [1] VALVE GROUP  
    (See Separate Illustration)
5. 6B-1557 C [4] BOLT  
  3B-4506 [4] LOCKWASHER  
6. 4K-4986 [3] SEAL  
7. 5K-9090 [6] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Technical Information Bulletin
Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Contamination Control Guidelines
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Disassembly and Assembly
Bulldozer Lift Cylinders
518 SKIDDER VEHICLE SYSTEMS
Service Magazine
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}

Caterpillar Parts SIS Catalog 518 :

Truck sale:

 
 
Caterpillar 518, Forestry Equipment
- skidder
CARTER MACHINERY COMPANY, INC.
 
 
Caterpillar 518, Forestry Equipment
- skidder
CARTER MACHINERY COMPANY, INC.
4,951 
Caterpillar 518, Forestry Equipment
- skidder
FINNING CANADA
Canada
24,500 
24,000 
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- skidder
EMPIRE MACHINERY
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