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9K1528 AIR/HYDRAULIC CYLINDER GROUP Serial No. 50S597 to 50S723 inclusive, 55U152 to 55U172 inclusive and 94U1 to 94U98 inclusive Part of Tank, Cylinder and Lines and 9K9337 Brake Control Group shown on Pages 68, 68B, 68D, 72A, 72C and 73 518


BRAKING SYSTEM
CYLINDER GP
CONTROL GP
BASIC ENGINE
AIR COMPRESSOR GP

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

BRAKING SYSTEM

CYLINDER GP
CYLINDER GP-AIR OVER HYD
9K-1528 CYLINDER GP-AIR OVER HYD
CYLINDER GP-AIR OVER HYD
9K-1528 CYLINDER GP-AIR OVER HYD
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
 

#UEG0741S0110
 

9K-1528: CYLINDER GP-AIR OVER HYD

9K1528 AIR/HYDRAULIC CYLINDER GROUP
Serial No. 50S597 to 50S723 inclusive, 55U152 to 55U172 inclusive and 94U1 to 94U98 inclusive
Part of Tank, Cylinder and Lines and 9K9337 Brake Control Group shown on Pages 68, 68B, 68D, 72A, 72C and 73
c112864 UEG0741S
9K1528 CYLINDER GP-AIR OVER HYD Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5K-7403 [1] BAND ASSEM.  
  5K-7406 [1] INDICATOR  
  5K-7405 [1] DIAPHRAGM  
  5K-7408 [1] ROD ASSEM.  
    (Parts of Chamber Assem. 5K7411)
  6M-5062 [1] SEAL  
  5K-7410 [1] RETAINER  
  5K-7404 [1] PLATE ASSEM.  
    (Part of 5K7411 Assem.)
  5K-7409 [1] SPRING  
    (Part of Chamber Assem. 5K7411)
  5B-3227 [1] BOOT  
  0S-1748 [2] BOLT  
  1B-4203 [2] NUT  
    (Parts of Band Assem. 5K7403)
  5K-7354 [1] BRACKET ASSEM.  
  5K-7411 [1] CHAMBER ASSEM.  
  9S-1354 [2] NUT  
  3B-4510 [2] LOCKWASHER  
    (Parts of 5K7411 Assem.)
  1K-6519 [1] GASKET  
    (Part of 9K1591 Assem.)
  9K-1591 [1] CYLINDER ASSEM.  
  4B-7335 [3] SCREW  
  5B-3225 [1] PLATE  
    (Part of 9K1591 Assem.)
  1B-4203 [3] NUT  
  3B-4506 [3] LOCKWASHER  
  5K-7173 H [1] KIT (Master Cylinder)  
  [1] VALVE AND SEAT ASSEM.  
  [1] CUP  
  [1] PISTON ASSEM.  
  [1] LOCKWIRE  
  H   NOT PART OF 9K1528 CYLINDER GR
 

#UEG0741S0111
 

9K-1528: CYLINDER GP-AIR OVER HYD

9K1528 AIR/HYDRAULIC CYLINDER GROUP (Change 1)
Serial No. 50S724-Up, 55U173-Up and 94U99-Up. Part of Tank, Cylinder and Lines and
9K9337 Brake Control Group shown on Pages 68D, 68F, 72A, 72C and 72D
c207846 UEG0741S
9K1528 CYLINDER GP-AIR OVER HYD Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5K-7403 [1] BAND ASSEM.  
  5K-7406 [1] INDICATOR  
  5K-7405 [1] DIAPHRAGM  
  5K-7408 [1] ROD ASSEM.  
    (Parts of Chamber Assem. 5K7411)
  5K-7410 [1] RETAINER  
  5K-7404 [1] PLATE ASSEM.  
    (Part of 5K7411 Assem.)
  5K-7409 [1] SPRING  
    (Part of Chamber Assem. 5K7411)
  0S-1748 [2] BOLT  
  1B-4203 [2] NUT  
    (Parts of Band Assem. 5K7403)
  1V-4849 C [1] BRACKET ASSEM.  
  5K-7411 [1] CHAMBER ASSEM.  
  9S-1354 [2] NUT  
  3B-4510 [2] LOCKWASHER  
    (Parts of 5K7411 Assem.)
  6S-7276 C [1] PLUG  
  4H-5626 C [1] GASKET  
    (Parts of 9K1591 Assem.)
  9K-1591 [1] CYLINDER ASSEM.  
  5B-3219 C [1] SPRING ASSEM.  
    (Part of 9K1591 Assem.)
  4B-7335 [3] SCREW  
  1B-4203 [3] NUT  
  3B-4506 [3] LOCKWASHER  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  1V-4850 C [1] CYLINDER KIT  
    (Consists of Piston Assem., Cup, Stop Plate, Lockwire, Gasket, Boot and Seal)
  C   INDICATES CHANGE
 

#UEG0741S0112
 

9K-8077: SERVICE BRAKE CONTROL

SERVICE BRAKE CONTROL (9K8077 N/S)
UEG0741S0112 UEG0741S
9K8077 SERVICE BRAKE CONTROL Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#UEG0741S0113
 

TANK, CYLINDER AND LINES

TANK, CYLINDER AND LINES--Part 1 of 2
Serial No. 50S597 to 50S664 inclusive, 55U152 to 55U161 inclusive and 94U1 to 94U87 inclusive
9K1528 Air/Hydraulic Cylinder parts are shown on Page 66
c119426 UEG0741S
None TANK, CYLINDER AND 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. 7K-8519 [1] TANK ASSEM.  
2. 0S-1594 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
3. 1D-4717 [5] NUT  
4. 4B-4278 [8] WASHER  
5. 3D-8093 [6] NUT  
  3D-8094 [6] SLEEVE  
  7K-8332 [6] INSERT  
6. 9K-0502 [1] UNION  
  2P-1277 [1] NUT  
7. 4S-8767 H TUBE 11"  
8. 9K-0501 [1] TEE  
9. 1P-3862 [3] ELBOW  
10. 9K-1593 [1] BRACKET ASSEM.  
  9F-2978 [4] NUT  
11. 9K-1528 Y [1] AIR/HYDRAULIC CYLINDER GROUP  
    (Separate Illustration)
12. 7H-3171 [1] PLUG  
13. 4S-8767 H TUBE 38"  
14. 2B-2404 [1] CLIP  
15. 4H-6143 [2] BOLT  
  5H-3703 [2] GASKET  
16. 5K-3713 [2] CONNECTION  
  4H-6145 [2] GASKET  
17. 8K-5810 [1] TUBE ASSEM.  
18. 4S-8767 H TUBE 16"  
19. 3B-7719 [1] COUPLING  
20. 3B-7262 [1] NIPPLE  
21. 3B-6773 [1] ELBOW  
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0114
 

TANK, CYLINDER AND LINES

TANK, CYLINDER AND LINES--Part 2 of 2
Serial No. 50S597 to 50S664 inclusive, 55U152 to 55U161 inclusive and 94U1 to 94U87 inclusive
8K8009 Air/Hydraulic Cylinder parts are shown on Page 76
c119427 UEG0741S
None TANK, CYLINDER AND 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-6233 [1] BRACKET ASSEM.  
2. 9F-2978 [4] NUT  
3. 5K-3713 [3] CONNECTION  
  4H-6145 [3] GASKET  
4. 4H-6143 [3] BOLT  
  5H-3703 [3] GASKET  
5. 0S-0509 [6] BOLT  
  4B-4278 [6] WASHER  
6. 3B-4506 [14] LOCKWASHER  
7. 8K-5789 [1] TUBE ASSEM.  
8. 8K-6263 [2] ANGLE  
9. 0S-1617 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
10. 6K-6484 [1] TEE ASSEM.  
11. 8K-5793 [1] TUBE ASSEM.  
12. 6H-5506 [1] CLIP  
13. 9K-8687 [1] TUBE ASSEM.  
14. 0S-1594 [8] BOLT  
15. 8K-8009 Y [1] AIR/HYDRAULIC CYLINDER GROUP  
    (Separate Illustration)
16. 7H-3171 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0115
 

TANK, CYLINDER AND LINES

TANK, CYLINDER AND LINES--Part 1 of 2
Serial No. 50S665 to 50S705 inclusive, 55U162 to 55U167 inclusive and 94U88 to 94U90 inclusive
9K1528 Air/Hydraulic Cylinder parts are shown on Page 66
c146985 UEG0741S
None TANK, CYLINDER AND 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. 7K-8519 [1] TANK ASSEM.  
2. 0S-1594 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
3. 1D-4717 [5] NUT  
4. 4B-4278 [8] WASHER  
5. 3D-8093 [6] NUT  
  3D-8094 [6] SLEEVE  
  7K-8332 [6] INSERT  
6. 9K-0502 [1] UNION  
  2P-1277 [1] NUT  
7. 4S-8767 H TUBE 11"  
8. 9K-0501 [1] TEE  
9. 1P-3862 [3] ELBOW  
10. 9K-1593 [1] BRACKET ASSEM.  
  9F-2978 [4] NUT  
11. 9K-1528 Y [1] AIR/HYDRAULIC CYLINDER GROUP  
    (Separate Illustration)
12. 7H-3171 [1] PLUG  
13. 4S-8767 H TUBE 38 in.  
14. 2B-2404 [1] CLIP  
15. 4H-6143 [2] BOLT  
16. 5K-3713 [2] CONNECTION  
  4H-6145 [2] GASKET  
17. 3L-2207 C [1] HOSE ASSEM.  
18. 4S-8767 H TUBE 16 in.  
19. 3B-7719 [1] COUPLING  
20. 3B-7262 [1] NIPPLE  
21. 3B-6773 [1] ELBOW  
22. 5H-3703 C [1] GASKET  
23. 6F-7062 C [1] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE FOOT
 

#UEG0741S0116
 

TANK, CYLINDER AND LINES

TANK, CYLINDER AND LINES--Part 2 of 2
Serial No. 50S665 to 50S705 inclusive, 55U162 to 55U167 inclusive and 94U88 to 94U90 inclusive
8K8009 Air/Hydraulic Cylinder parts are shown on Page 76
c146987 UEG0741S
None TANK, CYLINDER AND 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-6233 [1] BRACKET ASSEM.  
2. 9F-2978 [4] NUT  
3. 5K-3713 [3] CONNECTION  
  4H-6145 [3] GASKET  
4. 4H-6143 [3] BOLT  
  5H-3703 [3] GASKET  
5. 0S-0509 [6] BOLT  
  4B-4278 [6] WASHER  
6. 3B-4506 [14] LOCKWASHER  
7. 8K-5789 [1] TUBE ASSEM.  
8. 8K-6263 [2] ANGLE  
9. 0S-1617 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
10. 6K-6484 [1] TEE ASSEM.  
11. 8K-5793 [1] TUBE ASSEM.  
12. 6H-5506 [1] CLIP  
13. 9K-8687 [1] TUBE ASSEM.  
14. 0S-1594 [8] BOLT  
15. 8K-8009 Y [1] AIR/HYDRAULIC CYLINDER GROUP  
    (Separate Illustration)
16. 7H-3171 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0117
 

TANK, CYLINDER AND LINES

TANK, CYLINDER AND LINES--Part 1 of 2
Serial No. 50S706 to 50S999 inclusive, 55U168 to 55U227 inclusive and 94U91 to 94U169 inclusive
9K1528 Air/Hydraulic Cylinder parts are shown on Pages 66 and 66A
c146988 UEG0741S
None TANK, CYLINDER AND 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. 7K-8519 [1] TANK ASSEM.  
2. 0S-1594 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
3. 1D-4717 [5] NUT  
4. 4B-4278 [8] WASHER  
5. 2P-1277 [1] NUT  
7. 1V-4977 C [1] TUBE ASSEM.  
8. 7J-6743 C [1] TEE  
9. 2N-1287 C [2] ELBOW  
10. 9K-1593 [1] BRACKET ASSEM.  
    (Includes)
  9F-2978 [4] NUT  
11. 9K-1528 Y [1] AIR/HYDRAULIC CYLINDER GROUP  
    (Separate Illustration)
12. 7H-3171 [1] PLUG  
13. 1V-4978 C [1] TUBE ASSEM.  
14. 2B-2404 [1] CLIP  
15. 4H-6143 [2] BOLT  
16. 5K-3713 [2] CONNECTION  
  4H-6145 [2] GASKET  
17. 3L-2207 [1] HOSE ASSEM.  
18. 1V-4979 C [1] TUBE ASSEM.  
21. 6K-1972 C [1] ELBOW  
22. 5H-3703 [1] GASKET  
23. 6F-7062 [1] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0118
 

TANK, CYLINDER AND LINES

TANK, CYLINDER AND LINES--Part 2 of 2
Serial No. 50S706 to 50S999 inclusive, 55U168 to 55U227 inclusive and 94U91 to 94U169 inclusive
8K8009 Air/Hydraulic Cylinder parts are shown on Page 76
c146987 UEG0741S
None TANK, CYLINDER AND 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-6233 [1] BRACKET ASSEM.  
2. 9F-2978 [4] NUT  
3. 5K-3713 [3] CONNECTION  
  4H-6145 [3] GASKET  
4. 4H-6143 [3] BOLT  
  5H-3703 [3] GASKET  
5. 0S-0509 [6] BOLT  
  4B-4278 [6] WASHER  
6. 3B-4506 [14] LOCKWASHER  
7. 8K-5789 [1] TUBE ASSEM.  
8. 8K-6263 [2] ANGLE  
9. 0S-1617 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
10. 6K-6484 [1] TEE ASSEM.  
11. 8K-5793 [1] TUBE ASSEM.  
12. 6H-5506 [1] CLIP  
13. 9K-8687 [1] TUBE ASSEM.  
14. 0S-1594 [8] BOLT  
15. 8K-8009 Y [1] AIR/HYDRAULIC CYLINDER GROUP  
    (Separate Illustration)
16. 7H-3171 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0741S0119
 

TANK, CYLINDER AND LINES

TANK, CYLINDER AND LINES--Part 1 of 2
Serial No. 50S1000-Up, 55U228-Up and 94U170-Up
9K1528 Air/Hydraulic Cylinder parts are shown on Page 66A
c203343 UEG0741S
None TANK, CYLINDER AND 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. 7K-8519 [1] TANK ASSEM.  
2. 0S-1594 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
3. 1D-4717 [5] NUT  
4. 4B-4278 [8] WASHER  
5. 2P-1277 [1] NUT  
7. 1V-4977 [1] TUBE ASSEM.  
8. 7J-6743 [1] TEE  
9. 2N-1287 [2] ELBOW  
10. 9K-1593 [1] BRACKET ASSEM.  
    (Includes)
  9F-2978 [4] NUT  
11. 9K-1528 Y [1] AIR/HYDRAULIC CYLINDER GROUP  
    (Separate Illustration)
12. 7H-3171 [1] PLUG  
13. 1V-4978 [1] TUBE ASSEM.  
14. 2B-2404 [1] CLIP  
15. 4H-6143 [2] BOLT  
16. 5K-3713 [2] CONNECTION  
  4H-6145 [2] GASKET  
17. 3L-2207 [1] HOSE ASSEM.  
18. 1V-4979 [1] TUBE ASSEM.  
21. 6K-1972 [1] ELBOW  
22. 5H-3703 [1] GASKET  
23. 6F-7062 [1] WASHER  
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Analyzing Cylinder Condition By Measuring Air Flow{0651, 1000}
Analyzing Cylinder Condition By Measuring Air Flow{0651, 1000}
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}
Bench Test Procedures
Disassembly and Assembly
Rotochamber
518 SKIDDER VEHICLE SYSTEMS
Service Magazine
Spring In Air Over Hydraulic Cylinder Group Available For Parts Service{4258,4250}
1986/06/09
Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09

Caterpillar Parts SIS Catalog 518 :

BRAKE GP-HYD CALIPER SERVICE
1V-2278 BRAKE GP-HYD CALIPER SERVICE
SERVICE AND PARKING BRAKE GROUP
7K-5184 SERVICE AND PARKING BRAKE GROUP
SERVICE AND PARKING BRAKE
7K-5184 SERVICE AND PARKING BRAKE
MECHANICAL CALIPER PARKING BRAKE GROUP
1V-5870 MECHANICAL CALIPER PARKING BRAKE GROUP
HYDRAULIC CALIPER SERVICE BRAKE GROUP
1V-2277 HYDRAULIC CALIPER SERVICE BRAKE GROUP
SERVICE AND PARKING BRAKE GROUP
7K-5184 SERVICE AND PARKING BRAKE GROUP
MECHANICAL CALIPER PARKING BRAKE GROUP
1V-0624 MECHANICAL CALIPER PARKING BRAKE GROUP
DEMOUNTABLE RIM GROUP
1V-3858 DEMOUNTABLE RIM GROUP
CYLINDER GP-AIR OVER HYD
9K-1528 CYLINDER GP-AIR OVER HYD
SERVICE BRAKE CONTROL
9K-8077 SERVICE BRAKE CONTROL
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES
TANK, CYLINDER AND LINES

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