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376-7989 CYLINDER & MTG GP-STICK S/N F7B1-UP PART OF 376-7991 CYLINDER AR-HYDRAULIC AN ATTACHMENT 521B


HYDRAULIC SYSTEM
CYLINDER GP
FRAME AND BODY
HOOD GP
HYDRAULIC SYSTEM
CYLINDER GP

TRACK FELLER BUNCHER 521B TRACK FELLER BUNCHER F7B
 521B TRACK FELLER BUNCHER F7B00001-UP (MACHINE) POWERED BY C9 Engine SEBP5122 521B F7B   (2011)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & MTG GP-BOOM
380-0879 CYLINDER & MTG GP-BOOM
CYLINDER & MTG GP-SAW
381-8651 CYLINDER & MTG GP-SAW
CYLINDER & MTG GP-STICK
376-7989 CYLINDER & MTG GP-STICK
CYLINDER & MTG GP-STICK
379-5865 CYLINDER & MTG GP-STICK
CYLINDER AR-HYDRAULIC
376-7991 CYLINDER AR-HYDRAULIC
CYLINDER AR-HYDRAULIC
379-5858 CYLINDER AR-HYDRAULIC
 

#SEBP51220330
 

376-7989: CYLINDER & MTG GP-STICK

376-7989 CYLINDER & MTG GP-STICK
S/N F7B1-UP
PART OF 376-7991 CYLINDER AR-HYDRAULIC
AN ATTACHMENT
i04491016 SEBP5122
3767989 CYLINDER & MTG GP-STICK Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 178-5922 [2] ELBOW  
2. 215-9097 Y [1] CYLINDER GP-HYDRAULIC (STICK)  
3. 220-8661 [1] PLATE  
4. 119-2381 [1] SUPPORT AS  
5. 119-2382 [1] SUPPORT AS  
6. 233-2356 I [1] HOSE AS  
7. 148-8376 [1] ELBOW AS  
  6V-8983 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
8. 1P-3703 [2] SEAL-RECTANGULAR  
9. 2P-1293 [1] LOCKNUT (1-3/16-12-THD)  
10. 5P-7468 [1] CLIP (SLOT)  
11. 5P-7469 [1] CLIP (TAB)  
12. 6V-1874 [1] GROMMET (31-MM ID)  
13. 6V-9746 [2] SEAL-O-RING  
14. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
15. 8T-4139 M [1] BOLT (M12X1.75X30-MM)  
16. 8T-4192 M [1] BOLT (M12X1.75X25-MM)  
17. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
18. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 8T-6466 M [8] BOLT (M10X1.5X60-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220331
 

379-5865: CYLINDER & MTG GP-STICK

379-5865 CYLINDER & MTG GP-STICK
S/N F7B1-UP
PART OF 379-5858 CYLINDER AR-HYDRAULIC
AN ATTACHMENT
i04461371 SEBP5122
3795865 CYLINDER & MTG GP-STICK Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 178-5922 [2] ELBOW  
2. 215-9092 Y [1] CYLINDER GP-STICK  
3. 220-8661 [1] PLATE  
4. 119-2381 [1] SUPPORT AS  
5. 119-2382 [3] SUPPORT AS  
6. 233-2356 I [1] HOSE AS  
7. 148-8376 [1] ELBOW AS  
  6V-8983 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
8. 1P-3703 [2] SEAL-RECTANGULAR  
9. 2P-1293 [1] LOCKNUT (1-3/16-12-THD)  
10. 2Y-5829 M [1] NUT (M10X1.5-THD)  
11. 5P-7468 [2] CLIP (SLOT)  
12. 5P-7469 [2] CLIP (TAB)  
13. 6V-1874 [2] GROMMET (31-MM ID)  
14. 6V-9746 [2] SEAL-O-RING  
15. 8T-4121 [17] WASHER-HARD (11X21X2.5-MM THK)  
16. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
17. 8T-4196 M [7] BOLT (M10X1.5X35-MM)  
18. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
19. 8T-5035 M [1] BOLT (M10X1.5X65-MM)  
20. 8T-6466 M [8] BOLT (M10X1.5X60-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220332
 

376-7991: CYLINDER AR-HYDRAULIC

376-7991 CYLINDER AR-HYDRAULIC
S/N F7B1-UP
PART OF 376-8000 BOOM & STICK AR
AN ATTACHMENT
i04491014 SEBP5122
3767991 CYLINDER AR-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 376-7988 Y [1] CYLINDER & MTG GP-BOOM  
2. 376-7989 Y [1] CYLINDER & MTG GP-STICK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220333
 

379-5858: CYLINDER AR-HYDRAULIC

379-5858 CYLINDER AR-HYDRAULIC
S/N F7B1-UP
PART OF 379-5870 LINKAGE AR-FELLING HEAD, 379-5860 LINKAGE AR-INTERMITTENT SAW
AN ATTACHMENT
i04461356 SEBP5122
3795858 CYLINDER AR-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 379-5865 Y [1] CYLINDER & MTG GP-STICK  
2. 380-0879 Y [1] CYLINDER & MTG GP-BOOM  
3. 381-8651 Y [1] CYLINDER & MTG GP-SAW  
4. 6C-6053 [2] SHIM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220334
 

322-3568: CYLINDER GP-BOOM

322-3568 CYLINDER GP-BOOM
S/N F7B1-UP
160-MM (6.3-IN) BORE X 1331-MM (52.4-IN) STROKE
PART OF 327-8141 CYLINDER & MTG GP-BOOM
AN ATTACHMENT
i03430335 SEBP5122
3223568 CYLINDER GP-BOOM Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6C-6088 [1] HEAD  
2. 7Y-4622 [1] LOCKNUT (SPECIAL)  
3. 7Y-4631 [1] RING-RETAINING  
4. 087-5005 [1] STOP  
5. 103-8379 [1] RING  
6. 103-8380 [1] STOP  
7. 165-9288 J [1] SEAL-LIP TYPE  
8. 185-0592 [1] PISTON  
9. 322-3567 [1] CYLINDER AS-HYDRAULIC  
9A. 312-4344 [1] BUSHING  
10. 324-0789 [1] ROD AS  
10A. 7Y-5128 [1] BUSHING  
11. 087-5550 J [1] RING-BACKUP  
12. 095-0929 J [2] RING-RETAINING  
13. 095-1635 J [1] SEAL-O-RING  
14. 103-8378 [1] RING-RETAINING  
15. 170-9846 J [1] SEAL-BUFFER  
16. 185-0230 J [2] RING  
17. 185-0231 J [1] RING  
18. 216-0004 J [1] SEAL-U-CUP  
19. 6C-6093 [1] BUSHING  
20. 6I-6784 J [1] RING-SEAL  
21. 7Y-4628 J [1] RING (BACKUP)  
22. 7Y-5239 M [8] BOLT-SOCKET HEAD (M24X3X100-MM)  
23. 9X-3604 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  252-1191 J [1] KIT-SEAL  
    (INCLUDES RING-SEALS, RING BACK-UP, SEAL AS, RING RETAINING, SEAL-O-RING,SEAL-BUFFER, RINGS & SEAL-U-CUPS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP51220335
 

251-8281: CYLINDER GP-HOOD TILT

251-8281 CYLINDER GP-HOOD TILT
S/N F7B1-UP
50.8-MM (2-IN) BORE X 406.4-MM (16-IN) STROKE
PART OF 339-8307 LINES GP-HOOD TILT
i02087643 SEBP5122
2518281 CYLINDER GP-HOOD TILT Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 110-5915 [1] CLEVIS  
2. 234-3374 [2] PIN  
3. 234-3375 [4] PIN  
4. 105-8117 Y [1] VALVE GP-COUNTERBALANCE  
5. 234-3377 [1] KIT-SEAL  
    (INCLUDES SEALS & RINGS)
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220336
 

215-9097: CYLINDER GP-HYDRAULIC

215-9097 CYLINDER GP-HYDRAULIC -STICK
S/N F7B1-UP
130-MM (5.1-IN) BORE X 1372-MM (54-IN) STROKE
PART OF 376-7989 CYLINDER & MTG GP-STICK
AN ATTACHMENT
i01851695 SEBP5122
2159097 CYLINDER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7Y-4620 [1] HEAD  
2. 7Y-4631 [1] RING-RETAINING  
3. 087-5005 [1] STOP  
4. 128-9260 [1] BUSHING  
5. 147-5851 [1] PISTON  
6. 147-5852 J [1] RING  
7. 147-5853 J [1] RING  
8. 167-2476 [1] SEAL-WIPER  
9. 215-9099 [1] CYLINDER AS-BOOM  
  7Y-5128 [1] BUSHING  
10. 215-9108 [1] ROD AS  
  7Y-5128 [1] BUSHING  
11. 095-0929 [2] RING-RETAINING  
12. 095-1631 J [1] SEAL-O-RING  
13. 103-8378 [1] RING-RETAINING  
14. 103-8379 [1] RING  
15. 103-8380 [1] STOP  
16. 150-5884 J [1] RING  
17. 150-5885 J [1] SEAL-BUFFER  
18. 6I-6784 J [1] RING-SEAL  
19. 7Y-4622 [1] LOCKNUT (SPECIAL)  
20. 7Y-4628 J [1] RING (BACKUP)  
21. 167-2327 [1] SEAL-U-CUP  
22. 7Y-4633 J [1] RING-BACKUP  
23. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
24. 9X-3595 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  165-9419 J [1] KIT-SEAL  
    (INCLUDES SEALS & RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP51220337
 

289-7868: CYLINDER GP-HYDRAULIC

289-7868 CYLINDER GP-HYDRAULIC -BOOM
S/N F7B1-317
140-MM (5.5-IN) BORE X 1430-MM (56.3-IN) STROKE
PART OF 376-7988 CYLINDER & MTG GP-BOOM
AN ATTACHMENT
i02890595 SEBP5122
2897868 CYLINDER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-5434 [1] HEAD  
2. 123-2060 M [1] LOCKNUT (M80X2-THD)  
3. 158-9064 [1] PISTON  
4. 158-9065 J [2] RING  
5. 165-9226 [1] CYLINDER AS  
6. 179-9667 J [1] RING  
7. 377-6019 J [1] SEAL-U-CUP  
8. 247-8791 J [1] RING-SEAL  
9. 289-7870 [1] ROD & BEARING AS  
  236-6269 [1] BUSHING  
10. 377-6022 J [1] SEAL-BUFFER  
11. 087-5431 [1] STOP  
12. 087-5436 J [1] RING-BACKUP  
13. 093-1572 [1] RING-RETAINING  
14. 095-0929 [2] RING-RETAINING  
15. 095-1632 J [1] SEAL-O-RING  
16. 096-2665 J [1] RING-BACKUP  
17. 103-8378 [1] RING-RETAINING  
18. 103-8379 [1] RING  
19. 103-8380 [1] STOP  
20. 114-0757 [1] BUSHING  
21. 165-9289 J [1] SEAL-LIP TYPE  
22. 7Y-5215 M [8] BOLT-SOCKET HEAD (M24X3X90-MM)  
23. 9X-3598 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  398-1893 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART MARKED J.
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP51220338
 

457-4659: CYLINDER GP-HYDRAULIC

457-4659 CYLINDER GP-HYDRAULIC
S/N F7B318-UP
140-MM (5.5-IN) BORE X 1430-MM (56.3 IN) STROKE
PART OF 376-7988 CYLINDER & MTG GP-BOOM
AN ATTACHMENT
i06120255 SEBP5122
4574659 CYLINDER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 458-7914 [1] CYLINDER AS  
1A. 357-5711 [2] BUSHING  
2. 458-7915 [1] ROD AS  
2A. 240-2914 [1] BUSHING  
3. 188-4181 [1] HEAD  
4. 095-1721 [1] SEAL-O-RING  
5. 4I-3627 [1] RING-BACKUP  
6. 096-5625 [1] BUSHING  
7. 094-1931 [1] RING-RETAINING  
8. 350-0955 [1] SEAL-BUFFER  
9. 350-0960 [1] SEAL-U-CUP  
10. 121-1372 [1] RING-BACKUP  
11. 456-0195 [1] SEAL-LIP TYPE  
12. 126-1876 [1] RING-SEAL  
13. 458-2911 [1] STOP  
14. 247-8873 [1] PISTON  
15. 096-1571 [2] RING  
16. 247-8874 [2] RING  
17. 096-1570 [1] SEAL AS  
18. 4I-3631 [2] RING-BACKUP  
19. 4B-9880 [1] BALL  
20. 096-6210 M [1] SETSCREW-SOCKET (M14X2X14-MM)  
21. 085-8605 [1] RING-RETAINING  
22. 194-8359 [1] RING-SEAL  
23. 085-8604 [2] RING-RETAINING  
24. 121-1549 [1] STOP  
25. 4I-3628 M [12] BOLT-SOCKET HEAD (M18X2.5X80-MM)  
26. 166-1494 [4] SEAL-LIP TYPE  
27. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  456-0202 [1] KIT-SEAL  
    (KIT INCLUDES SEALS, SEAL AS, & RINGS)
  M   METRIC PART
 

#SEBP51220339
 

215-9092: CYLINDER GP-STICK

215-9092 CYLINDER GP-STICK
S/N F7B1-UP
130-MM (5.1-IN) BORE X 1219-MM (48-IN) STROKE
PART OF 379-5865 CYLINDER & MTG GP-STICK
AN ATTACHMENT
i01851809 SEBP5122
2159092 CYLINDER GP-STICK Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7Y-4620 [1] HEAD  
2. 7Y-4631 [1] RING-RETAINING  
3. 087-5005 [1] STOP  
4. 128-9260 [1] BUSHING  
5. 147-5851 [1] PISTON  
6. 147-5852 [1] RING  
7. 147-5853 [1] RING  
8. 167-2476 [1] SEAL-WIPER  
9. 215-9093 [1] CYLINDER AS-STICK  
  7Y-5128 [1] BUSHING  
10. 215-9095 [1] ROD AS  
  7Y-5128 [1] BUSHING  
11. 095-0929 [2] RING-RETAINING  
12. 095-1631 [1] SEAL-O-RING  
13. 103-8378 [1] RING-RETAINING  
14. 103-8379 [1] RING  
15. 103-8380 [1] STOP  
16. 150-5884 [1] RING  
17. 150-5885 [1] SEAL-BUFFER  
18. 6I-6784 [1] RING-SEAL  
19. 7Y-4622 [1] LOCKNUT (SPECIAL)  
20. 7Y-4628 [1] RING (BACKUP)  
21. 167-2327 [1] SEAL-U-CUP  
22. 7Y-4633 [1] RING-BACKUP  
23. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
24. 9X-3595 [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  165-9419 [1] KIT-SEAL  
    (INCLUDES SEALS & RINGS)
  M   METRIC PART
 

Information:

Operation and Maintenance Manual
Tilt Cylinder Bearings - Lubricate
521B and 522B Track Feller Bunchers
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}
Specifications
Stick Cylinder
521B and 522B Track Feller Bunchers Machine Systems
Stick Cylinder - Harvester
521B and 522B Track Feller Bunchers Machine Systems
Tilt Cylinder (Saw) - Felling Head
521B and 522B Track Feller Bunchers Machine Systems
Boom Cylinder
521B and 522B Track Feller Bunchers Machine Systems
Boom Cylinder - Harvester
521B and 522B Track Feller Bunchers Machine Systems
Hood Tilt Cylinder
521B and 522B Track Feller Bunchers Machine Systems
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
Cylinder Speed - Check
521B and 522B Track Feller Bunchers Machine Systems
Boom Cylinder Drift - Check
521B and 522B Track Feller Bunchers Machine Systems
Stick Cylinder Drift - Check
521B and 522B Track Feller Bunchers Machine Systems
Tilt Cylinder Drift - Check
521B and 522B Track Feller Bunchers Machine Systems
Relief Valve (Line) - Test and Adjust
521B and 522B Track Feller Bunchers Machine Systems
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
Tilt Cylinder (Saw) - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Stick Cylinder - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Stick - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Boom Cylinder - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Tilt Cylinder (Side for Cab Leveling) - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Hood Tilt Cylinder - Remove and Install
521B and 522B Track Feller Bunchers Engine Supplement
Tilt Cylinder (Rear for Cab Leveling) - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Service Magazine
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}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Caterpillar Parts SIS Catalog 521B :

CYLINDER & MTG GP-SAW
381-8651 CYLINDER & MTG GP-SAW
CYLINDER & MTG GP-BOOM
380-0879 CYLINDER & MTG GP-BOOM
CYLINDER & MTG GP-BOOM
376-7988 CYLINDER & MTG GP-BOOM
CYLINDER & MTG GP-BOOM
376-7988 CYLINDER & MTG GP-BOOM
CYLINDER & MTG GP-BOOM
327-8141 CYLINDER & MTG GP-BOOM
COVER GP-CONTROL VALVE
227-2141 COVER GP-CONTROL VALVE
COUPLING & MTG GP-PUMP
154-6643 COUPLING & MTG GP-PUMP
CAP GP-PROTECTION
547-9662 CAP GP-PROTECTION
CYLINDER & MTG GP-STICK
379-5865 CYLINDER & MTG GP-STICK
CYLINDER AR-HYDRAULIC
376-7991 CYLINDER AR-HYDRAULIC
CYLINDER AR-HYDRAULIC
379-5858 CYLINDER AR-HYDRAULIC
CYLINDER GP-BOOM
322-3568 CYLINDER GP-BOOM
CYLINDER GP-HOOD TILT
251-8281 CYLINDER GP-HOOD TILT
CYLINDER GP-HYDRAULIC
215-9097 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
289-7868 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
457-4659 CYLINDER GP-HYDRAULIC

Truck sale:

Caterpillar 521B
 
Caterpillar 521B
- Knuckleboom loaders
ZIEGLER CAT
Caterpillar 521B
 
Caterpillar 521B
- Feller Bunchers
MILTON CAT
Caterpillar 521B
 
Caterpillar 521B
- Feller Bunchers
MILTON CAT
Caterpillar 521B
 
Caterpillar 521B
- Feller Bunchers
PETERSON CAT
CATERPILLAR 521B 2015
 
CATERPILLAR 521B 2015
- FORESTRY - FELLER BUNCHERS - TRACK
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
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