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276-1946 CYLINDER GP-TONG S/N 5251-UP PART OF 276-1931 HEAD AR-GRAPPLE AN ATTACHMENT 525C WHEEL SKIDDER


HYDRAULIC SYSTEM
CYLINDER GP
FILTER GP
HYDRAULIC GP
LINES GP-DECKING BLADE

WHEEL SKIDDER 525C WHEEL SKIDDER 525
 525C Wheel Skidder 52500001-UP (MACHINE) POWERED BY C7 Engine SEBP4577 525C 525   (2006)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-TONG
125-2884 CYLINDER GP-TONG
CYLINDER GP-TONG
276-1945 CYLINDER GP-TONG
CYLINDER GP-TONG
276-1946 CYLINDER GP-TONG
CYLINDER GP-TONG
278-1194 CYLINDER GP-TONG
CYLINDER GP-TONG
278-1765 CYLINDER GP-TONG
CYLINDER GP-TONG
278-1765 CYLINDER GP-TONG
 

#SEBP45770540
 

276-1946: CYLINDER GP-TONG

276-1946 CYLINDER GP-TONG
S/N 5251-UP
PART OF 276-1931 HEAD AR-GRAPPLE
AN ATTACHMENT
i02386290 SEBP4577
2761946 CYLINDER GP-TONG Parts scheme
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Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 125-2900 [1] PISTON  
3. 142-6002 [1] KIT-SEAL  
4. 142-6012 [1] HEAD  
5. 288-6755 [1] BUSHING  
6. 228-0830 [1] BUSHING  
7. 288-6760 [1] ROD AS  
8. 288-6757 [1] CYLINDER AS  
9. 010-2571 [2] SETSCREW-SOCKET (1/4-20X0.31-IN)  
10. 3H-8430 [1] SETSCREW (3/8-16X0.75-IN)  
 

#SEBP45770541
 

278-1194: CYLINDER GP-TONG

278-1194 CYLINDER GP-TONG
S/N 5251-UP
100-MM(3.94-IN)BORE X 487.5-MM(19.19-IN)STROKE
PART OF 276-1930 HEAD AR-GRAPPLE
AN ATTACHMENT
i02585284 SEBP4577
2781194 CYLINDER GP-TONG Parts scheme
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 233-0619 J [1] SEAL-WIPER  
2. 278-1195 [1] CYLINDER AS  
3. 278-1198 [1] HEAD  
4. 278-1199 [1] PISTON  
5. 278-1200 [1] ROD AS  
  280-7447 [1] BEARING  
6. 140-7656 J [1] RING-WEAR (PISTON)  
7. 141-0709 J [1] RING-WEAR (HEAD)  
8. 167-2183 J [1] SEAL AS-BUFFER  
9. 167-2303 J [1] SEAL-U-CUP  
10. 173-9683 M [1] BOLT (M30X3.5X90-MM)  
11. 175-7900 J [1] SEAL-O-RING  
12. 2K-6830 J [1] RING-BACKUP  
13. 9X-7298 J [1] SEAL AS  
14. 9X-8399 [1] WASHER (33X56X6-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  297-6850 J [1] KIT-SEAL (HYDRAULIC CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP45770542
 

278-1765: CYLINDER GP-TONG

278-1765 CYLINDER GP-TONG
S/N 5251-UP
PART OF 276-1931 HEAD AR-GRAPPLE
Type 1
AN ATTACHMENT
i02575631 SEBP4577
2781765 CYLINDER GP-TONG Parts scheme
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 219-0416 [1] HEAD  
2. 266-9393 [1] PISTON  
3. 278-1766 [1] CYLINDER AS  
4. 278-1770 [1] ROD AS  
  280-7447 [1] BEARING  
5. 167-2314 J [1] SEAL-U-CUP  
6. 146-0739 J [1] SEAL-BUFFER  
7. 146-0741 J [1] SEAL-LIP TYPE  
8. 146-0742 J [1] RING-WEAR (ROD)  
9. 146-0744 J [1] RING-WEAR (PISTON)  
10. 175-7902 J [1] SEAL-O-RING  
11. 1K-7095 J [1] RING-BACKUP  
12. 264-9728 J [1] SEAL AS  
13. 5J-5731 [1] LOCKNUT (1-3/4-12-THD)  
   
    AVAILABLE REPAIR KIT(S):
  297-6851 J [1] KIT-SEAL (HYDRAULIC CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP45770543
 

278-1765: CYLINDER GP-TONG

278-1765 CYLINDER GP-TONG
S/N 5251-UP
PART OF 276-1931 HEAD AR-GRAPPLE
Type 2
AN ATTACHMENT
i03006790 SEBP4577
2781765 CYLINDER GP-TONG Parts scheme
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 219-0416 [1] HEAD  
2. 266-9393 [1] PISTON  
3. 278-1766 [1] CYLINDER AS  
4. 278-1770 [1] ROD AS  
  280-7447 [1] BEARING  
5. 170-9856 C [1] SEAL-U-CUP  
6. 146-0739 [1] SEAL-BUFFER  
7. 146-0741 [1] SEAL-LIP TYPE  
8. 146-0742 [1] RING-WEAR (ROD)  
9. 146-0744 [1] RING-WEAR (PISTON)  
10. 175-7902 [1] SEAL-O-RING  
11. 1K-7095 [1] RING-BACKUP  
12. 264-9728 [1] SEAL AS  
13. 5J-5731 [1] LOCKNUT (1-3/4-12-THD)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP45770544
 

278-2235: CYLINDER GP-TONG

278-2235 CYLINDER GP-TONG
S/N 5251-UP
130-MM (5.1-IN) BORE X 511-MM (20.1-IN) STROKE
PART OF 276-1934 HEAD AR-GRAPPLE
AN ATTACHMENT
i02561464 SEBP4577
2782235 CYLINDER GP-TONG Parts scheme
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 266-9397 [1] PISTON  
2. 278-2237 [1] CYLINDER AS  
3. 266-9989 [1] HEAD  
4. 278-2242 [1] ROD AS  
  280-7447 [1] BEARING  
5. 146-0742 J [1] RING-WEAR  
6. 167-2204 J [1] SEAL AS-BUFFER  
7. 167-2314 J [1] SEAL-U-CUP  
8. 175-7904 J [1] SEAL-O-RING  
9. 227-1148 J [1] SEAL-WIPER  
10. 2K-4096 J [1] RING-BACKUP  
11. 5F-3999 J [1] SEAL-O-RING  
12. 5J-5731 [1] LOCKNUT (1-3/4-12-THD)  
13. 118-4019 J [1] RING  
14. 9X-3595 J [1] SEAL AS  
   
  308-7841 J [1] KIT-SEAL  
  J   KIT MARKED J AVAILABLE FOR PART(S) MARKED J
 

#SEBP45770545
 

147-0178: FILTER GP-OIL

147-0178 FILTER GP-OIL -WINCH
S/N 5251-UP
PART OF 271-9087, 328-7691, 353-6865, 361-4955 LINES GP-WINCH
AN ATTACHMENT
i01098341 SEBP4577
1470178 FILTER GP-OIL Parts scheme
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1G-8878 [1] FILTER-OIL (ADVANCED EFFICIENCY)(HYDRAULIC)  
 

#SEBP45770546
 

214-6589: FILTER GP-OIL

214-6589 FILTER GP-OIL -HYDRAULIC
S/N 5251-UP
PART OF 252-6534 LINES GP-HYDRAULIC
i01900413 SEBP4577
2146589 FILTER GP-OIL Parts scheme
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 152-6902 [1] FILTER-OIL (ADVANCED EFFICIENCY)(HYDRAULIC)  
 

#SEBP45770547
 

245-9464: HYDRAULIC AR

245-9464 HYDRAULIC AR
S/N 5251-UP
PART OF 245-9455 COMMON AR
i02176874 SEBP4577
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  252-6538 Y [1] CONTROL GP-PARKING BRAKE  
  252-6536 Y [1] CONTROL GP-SERVICE BRAKE  
  252-6555 Y [1] CONTROL GP-STEER & DECK BLADE  
  252-6557 Y [1] COOLER GP-HYDRAULIC OIL  
  252-5871 Y [1] CYLINDER GP-STEERING (LH)  
  252-5872 Y [1] CYLINDER GP-STEERING (RH)  
  252-6534 Y [1] LINES GP-HYDRAULIC  
  252-6537 Y [1] LINES GP-PILOT  
  252-7124 Y [1] LINES GP-STEERING  
  9U-2877 Y [1] PUMP & MTG GP-HYDRAULIC  
  249-3824 Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#SEBP45770548
 

272-5881: INDUSTRIAL AR-HYDRAULIC

272-5881 INDUSTRIAL AR-HYDRAULIC
S/N 5251-UP
AN ATTACHMENT
i04569070 SEBP4577
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  278-4732 Y [1] CONTROL GP-GRAPPLE  
  297-9657 Y [1] SWITCH GP-ROCKER  
  259-2633 Y [1] GUARD GP-LINES (REAR FRAME, GRAPPLE)  
    -OR-
  294-8030 Y [1] GUARD GP-LINES (REAR FRAME, GRAPPLE)  
  280-2630 Y [1] VALVE & LINES GP-GRAPPLE (DUAL FUNCTION)  
   
  [10] PLUG AS  
  3D-2824 [1] SEAL-O-RING  
  9S-4183 [1] PLUG (1-1/16-12-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP45770549
 

257-8490: LINES GP-DECKING BLADE

257-8490 LINES GP-DECKING BLADE
S/N 5251-UP
PART OF 253-3880, 257-7145, 311-1321 BLADE AR-DECKING
AN ATTACHMENT
i02179367 SEBP4577
2578490 LINES GP-DECKING BLADE Parts scheme
  For full view, you need register

Parts for your 525C WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8K-9176 [4] CLAMP  
2. 151-2071 I [2] HOSE AS  
3. 151-5163 [1] TUBE AS  
4. 151-5337 [1] TUBE AS  
5. 164-6864 [4] ELBOW AS  
    (EACH INCLUDES)
  6V-8398 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  8T-1810 [1] ELBOW  
6. 175-1375 I [4] HOSE AS  
7. 257-8480 I [1] HOSE AS  
8. 257-8483 [2] PLATE  
9. 378-1583 [1] TUBE AS  
10. 378-1584 [1] TUBE AS  
11. 378-1585 [1] TUBE AS  
12. 378-1586 [1] TUBE AS  
13. 274-4311 I [1] HOSE AS  
14. 148-8322 [2] CONNECTOR AS  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
  6V-8640 [1] CONNECTOR  
  6V-9746 [1] SEAL-O-RING  
15. 148-8341 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3D-2824 [1] SEAL-O-RING  
  6V-8713 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
16. 148-8372 [2] ELBOW AS  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8721 [1] ELBOW  
17. 153-6256 [2] ELBOW AS  
    (EACH INCLUDES)
  7J-9108 [1] SEAL-O-RING  
  8C-7563 [1] ELBOW  
18. 164-6860 [2] TEE AS  
    (EACH INCLUDES)
  6V-9350 [1] TEE-BULKHEAD  
  7J-9108 [3] SEAL-O-RING  
19. 169-7409 [2] UNION AS  
    (EACH INCLUDES)
  6V-8996 [1] UNION  
  7J-9108 [2] SEAL-O-RING  
20. 6V-8398 [2] SEAL-O-RING  
21. 6V-9169 [4] NUT (13/16-16-THD)  
22. 6V-9170 [4] NUT-BULKHEAD (1-14-THD)  
23. 7X-7729 [6] WASHER (11X25X3-MM THK)  
24. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
25. 8T-4133 M [2] NUT (M10X1.5-THD)  
26. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
27. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

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 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
Caterpillar Manufactured Tong Cylinders{5555}
Caterpillar Manufactured Tong Cylinders{5555}
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}
Dozer Blade Cylinder Leaks, Drifting on 525C, 535C, and 545C Wheel Skidders{5102}
Dozer Blade Cylinder Leaks, Drifting on 525C, 535C, and 545C Wheel Skidders{5102}
Replacement of Blade Lift Cylinder Bolts on Certain Wheel Skidders{5102}
Replacement of Blade Lift Cylinder Bolts on Certain Wheel Skidders{5102}
Specifications
Lift Cylinder (Decking Blade)
525C, 535C and 545C Wheel Skidders Hydraulic and Steering System
Arch Cylinder
525C, 535C and 545C Wheel Skidders Grapple
Boom Cylinder
525C, 535C and 545C Wheel Skidders Grapple
Tong Cylinder
525C, 535C and 545C Wheel Skidders Grapple
Tong Cylinder
525C, 535C and 545C Wheel Skidders Grapple
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}
Testing and Adjusting
Grapple Cylinder Drift - Check
525C, 535C and 545C Wheel Skidders Grapple
Grapple Cylinder Speed - Check
525C, 535C and 545C Wheel Skidders Grapple
Lift Cylinder (Decking Blade) Drift - Check
525C, 535C and 545C Wheel Skidders Hydraulic and Steering System
Lift Cylinder Speed (Decking Blade) - Check
525C, 535C and 545C Wheel Skidders Hydraulic and Steering System
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
Boom Cylinder - Remove and Install
525C, 535C and 545C Wheel Skidders Machine Systems
Lift Cylinder (Decking Blade) - Remove and Install
525C, 535C and 545C Wheel Skidders Machine Systems
Arch Cylinder - Remove and Install
525C, 535C and 545C Wheel Skidders Machine Systems
Tong Cylinder - Remove and Install
525C, 535C and 545C Wheel Skidders Machine Systems
Service Magazine
Arch and Boom Cylinders Are Now Fully Guarded {5456, 5557}
2007/07/02
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2011/10/17
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30
New U-Cup Seal are Available with a Narrow Width to Service Cylinders in the Field {4303, 5101, 5102, 5104, 5456, 5457, 5458, 7562}
2010/12/24
Improved Cylinder Piston Bolt Retention Now Used on Certain 525C, 535C, and 545C Wheel Skidders {0649, 4303, 5456, 5557, 7562}
2015/06/30

Caterpillar Parts SIS Catalog 525C :

CYLINDER GP-TONG
276-1945 CYLINDER GP-TONG
CYLINDER GP-TONG
125-2884 CYLINDER GP-TONG
CYLINDER GP-LIFT
160-0492 CYLINDER GP-LIFT
CYLINDER GP-BOOM
298-2520 CYLINDER GP-BOOM
CYLINDER GP-BOOM
200-3195 CYLINDER GP-BOOM
CYLINDER GP-ARCH
298-2525 CYLINDER GP-ARCH
CYLINDER GP-ARCH
298-2523 CYLINDER GP-ARCH
CYLINDER GP-ARCH
200-3204 CYLINDER GP-ARCH
CYLINDER GP-TONG
278-1194 CYLINDER GP-TONG
CYLINDER GP-TONG
278-1765 CYLINDER GP-TONG
CYLINDER GP-TONG
278-1765 CYLINDER GP-TONG
CYLINDER GP-TONG
278-2235 CYLINDER GP-TONG
FILTER GP-OIL
147-0178 FILTER GP-OIL
FILTER GP-OIL
214-6589 FILTER GP-OIL
245-9464 HYDRAULIC AR
272-5881 INDUSTRIAL AR-HYDRAULIC

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- skidder
MILTON CAT
 
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178,000 
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50.000 
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