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280-8003 COVER GP-VALVE MECHANISM S/N THX6093-UP PART OF 264-0399 ENGINE AR-COMPLETE 521 TRACK FELLER BUNCHER


BASIC ENGINE
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP
CYLINDER HEAD GP

TRACK FELLER BUNCHER 521 TRACK FELLER BUNCHER 521
 521 Track Feller Buncher 52100001-UP (MACHINE) POWERED BY C-9 Engine SEBP4585 521 521   (2005)

BASIC ENGINE

VALVE MECHANISM GP
COVER GP-VALVE MECHANISM
258-8724 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
258-8724 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
280-8003 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
280-8003 COVER GP-VALVE MECHANISM
FASTENER GP-VALVE COVER
236-7315 FASTENER GP-VALVE COVER
FASTENER GP-VALVE COVER
258-8728 FASTENER GP-VALVE COVER
 

#SEBP45850030
 

280-8003: COVER GP-VALVE MECHANISM

280-8003 COVER GP-VALVE MECHANISM
S/N THX6093-UP
PART OF 264-0399 ENGINE AR-COMPLETE
i02676284 SEBP4585
2808003 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 353-6988 [1] BASE GP-VALVE COVER  
  268-3490 [1] SEAL-VALVE COVER  
2. 358-7873 C [1] COVER GP-VALVE MECHANISM  
  285-4106 [1] SEAL-VALVE COVER  
3. 227-4531 [1] CAP AS-ENGINE OIL FILLER  
  7F-8268 [1] SEAL-O-RING  
4. 358-7876 C [11] SLEEVE-SPACER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP45850031
 

280-8003: COVER GP-VALVE MECHANISM

280-8003 COVER GP-VALVE MECHANISM
S/N THX1-UP
PART OF 367-4317 ENGINE AR-COMPLETE
i02605318 SEBP4585
2808003 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 271-2418 [1] BASE GP-VALVE COVER  
  268-3490 [1] SEAL-VALVE COVER  
2. 263-7823 [1] COVER GP-VALVE MECHANISM  
  217-5701 J SEAL-BULK (24-DM)  
3. 227-4531 [1] CAP AS-ENGINE OIL FILLER  
  7F-8268 [1] SEAL-O-RING  
4. 246-5083 [11] SLEEVE-SPACER  
  J   ORDER BY THE DECIMETER
 

#SEBP45850032
 

164-6148: CRANKSHAFT GP

164-6148 CRANKSHAFT GP
S/N THX1-UP
PART OF 264-0403, 384-8427, 417-6290 ENGINE AR-CORE
i01176707 SEBP4585
1646148 CRANKSHAFT GP Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 151-2939 J [7] BEARING-MAIN (STANDARD)  
  282-1771 AB [7] BEARING-MAIN (0.25-MM US)  
  282-1772 AB [7] BEARING-MAIN (0.51-MM US)  
2. 261-1544 [1] CRANKSHAFT AS  
2A. 1B-8705 [1] KEY-WOODRUFF  
2B. 2W-8147 [1] GEAR (50-TEETH)  
2C. 9Y-0810 [1] SLEEVE-WEAR  
3. 246-3150 J [2] PLATE-THRUST  
   
    AVAILABLE REPAIR KIT(S):
  243-6716 AJ KIT-BEARING (STANDARD)  
    (INCLUDES A COMPLETE SET OF MAIN BEARINGS & THRUST PLATES)
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP45850033
 

325-3915: CYLINDER BLOCK AS

325-3915 CYLINDER BLOCK AS
S/N THX1-UP
PART OF 517-1908 CYLINDER BLOCK AS, 220-1952 CYLINDER BLOCK GP
i03235740 SEBP4585
3253915 CYLINDER BLOCK AS Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1026 [2] PLUG-CUP  
2. 3B-0623 [2] PLUG-CUP  
3. 4F-5695 [4] PLUG-CUP  
4. 175-0454 M [14] BOLT (M16X2X160-MM)  
5. 203-5805 [2] BUSHING  
6. 203-6090 [1] BUSHING  
7. 212-7002 [7] CAP-BEARING  
8. 216-5586 [1] BUSHING (CAMSHAFT)  
9. 9X-8268 [14] WASHER (17.5X30X3.5-MM THK)  
  M   METRIC PART
 

#SEBP45850034
 

517-1908: CYLINDER BLOCK AS

517-1908 CYLINDER BLOCK AS
S/N THX41870-UP
PART OF 161-3406 CYLINDER BLOCK GP
i06952578 SEBP4585
5171908 CYLINDER BLOCK AS Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 167-0024 [6] SEAL-LINER  
2. 469-5312 [6] LINER-CYLINDER  
3. 325-3915 Y [1] CYLINDER BLOCK AS  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP45850035
 

161-3406: CYLINDER BLOCK GP

161-3406 CYLINDER BLOCK GP
S/N THX41870-UP
PART OF 417-6290 ENGINE AR-CORE
i01842215 SEBP4585
1613406 CYLINDER BLOCK GP Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-0519 [1] PLUG-CUP  
2. 517-1908 CY [1] CYLINDER BLOCK AS  
3. 1W-8407 [2] SLEEVE  
4. 396-0393 [1] PLUG AS  
  214-7566 [1] SEAL-O-RING  
  360-3677 [1] PLUG (7/16-20-THD)  
5. 4G-4972 [1] SEAL-O-RING  
6. 6V-3538 [2] DOWEL  
7. 7N-5683 [2] DOWEL  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP45850036
 

220-1951: CYLINDER BLOCK GP

220-1951 CYLINDER BLOCK GP
S/N THX1-UP
PART OF 264-0403, 384-8427 ENGINE AR-CORE
i01790346 SEBP4585
2201951 CYLINDER BLOCK GP Parts scheme
  For full view, you need register

Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-0519 [1] PLUG-CUP  
2. 1W-8407 [2] SLEEVE  
3. 4G-4972 [1] SEAL-O-RING  
4. 396-0393 [1] PLUG AS  
  360-3677 [1] PLUG (7/16-20-THD)  
  214-7566 [1] SEAL-O-RING  
5. 220-1952 Y [1] CYLINDER BLOCK GP  
6. 6V-3538 [2] DOWEL  
7. 7N-5683 [2] DOWEL  
  Y   SEPARATE ILLUSTRATION
 

#SEBP45850037
 

220-1952: CYLINDER BLOCK GP

220-1952 CYLINDER BLOCK GP
S/N THX1-UP
PART OF 220-1951 CYLINDER BLOCK GP
i01794848 SEBP4585
2201952 CYLINDER BLOCK GP Parts scheme
  For full view, you need register

Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 167-0024 [6] SEAL-LINER  
2. 385-7276 [6] LINER-CYLINDER BLOCK  
3. 325-3915 Y [1] CYLINDER BLOCK AS  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP45850038
 

332-3619: CYLINDER HEAD AS

332-3619 CYLINDER HEAD AS
S/N THX23115-UP
PART OF 344-2149 CYLINDER HEAD GP
i03246480 SEBP4585
3323619 CYLINDER HEAD AS Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-7604 [7] PLUG-CUP (MARKED X)  
2. 8M-5860 [18] PLUG-CUP (MARKED Z)  
3. 212-8917 [12] INSERT-VALVE SEAT (EXHAUST)(STANDARD)  
  317-7210 AB INSERT-VALVE SEAT (0.127-MM OS, EXHAUST)  
  317-7211 AB INSERT-VALVE SEAT (0.25-MM OS, EXHAUST)  
  254-3947 AB INSERT-VALVE SEAT (0.508-MM OS, EXHAUST)  
4. 227-1200 [6] SLEEVE-INJECTOR  
5. 241-8388 [12] INSERT-VALVE SEAT (INLET)(STANDARD)  
  317-7212 AB INSERT-VALVE SEAT (0.127-MM OS, INLET)  
  317-7213 AB INSERT-VALVE SEAT (0.25-MM OS, INLET)  
  254-3946 AB INSERT-VALVE SEAT (0.508-MM OS, INLET)  
6. 310-7255 [6] SEAL-O-RING  
7. 310-7257 [6] SEAL-O-RING  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
 

#SEBP45850039
 

242-0672: CYLINDER HEAD GP

242-0672 CYLINDER HEAD GP
S/N THX1-23114
PART OF 264-0403 ENGINE AR-CORE
i02144720 SEBP4585
2420672 CYLINDER HEAD GP Parts scheme
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Parts for your 521 TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2A-3746 [1] PLUG-CUP  
2. 187-1315 [1] GASKET AS  
3. 252-8439 Y [1] CYLINDER HEAD GP  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Operation and Maintenance Manual
Engine Valve Lash - Check
511, 521, 522 and 532 Track Feller Bunchers
Engine Crankcase Breather - Clean
511, 521, 522 and 532 Track Feller Bunchers
Special Instruction
Orientation of the 285-4106 Valve Cover Seal and the 217-5701 Bulk Seal {1107}
Orientation of the 285-4106 Valve Cover Seal and the 217-5701 Bulk Seal {1107}
Preventing Cracks and Leaks in the Composite Valve Covers on Some C9 Engines{1107, 1120}
Preventing Cracks and Leaks in the Composite Valve Covers on Some C9 Engines{1107, 1120}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIFTER SPRING GUIDES AND THE VALVE LIFTER ASSEMBLIES ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIFTER SPRING GUIDES AND THE VALVE LIFTER ASSEMBLIES ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIFTER SPRING GUIDES AND THE VALVE LIFTER ASSEMBLIES ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIFTER SPRING GUIDES AND THE VALVE LIFTER ASSEMBLIES ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
Technical Information Bulletin
Preventing Cracks and Leaks in the Composite Valve Covers on Some C9 Engines{1107, 7555}
Preventing Cracks and Leaks in the Composite Valve Covers on Some C9 Engines{1107, 7555}
Guide Springs and Valve Lifter Assemblies are Breaking in Certain C9 and C9.3 Engines{1108, 1209}
Guide Springs and Valve Lifter Assemblies are Breaking in Certain C9 and C9.3 Engines{1108, 1209}
Tool Operating Manual
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
Service Letter-Asia
Reuse And Salvage Guidelines
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE VALVE LIFTERS AND GUIDE SPRINGS CERTAIN 140M, AND 160M MOTOR GRADERS, 330D, 336D, 336D2, 340D, AND 340D2 EXCAVATORS, 511, 521, 521B 522, 522B, 532, 541, 541B, 552, AND 552B TRACK FELLER BUNCHERS, 627G, AND 637G WHEEL TRACTOR SCRAPERS, 814F WHEEL DOZERS, 815F SOIL COMPACTORS, 816F LANDFILL COMPACTORS, 973C, AND 973D TRACK-TYPE LOADERS, D6R, D6T, AND D7R TRACK-TYPE TRACTORS, MH3049 AND MH3059 MATERIAL HANDLERS
Troubleshooting
Excessive Valve Lash
C7 and C9 Engines for Caterpillar Built Machines
Disassembly and Assembly
Valve Mechanism Cover - Remove and Install
C9 Engines for Caterpillar Built Machines
Valve Mechanism Cover Base - Remove and Install
C9 Engines for Caterpillar Built Machines
Rocker Arm and Shaft - Remove
C9 Engines for Caterpillar Built Machines
Rocker Arm - Disassemble
C9 Engines for Caterpillar Built Machines
Rocker Arm - Assemble
C9 Engines for Caterpillar Built Machines
Rocker Arm and Shaft - Install
C9 Engines for Caterpillar Built Machines
Lifter Group - Remove and Install
C9 Engines for Caterpillar Built Machines
Service Magazine
A New Guide Spring for the Camshaft Lifter is Now Used {1102}
2008/03/17
Correct Usage of Seals and Spacers on the Valve Mechanism Covers of Some Machines that Are Equipped with C9 Engines {1107}
2010/01/07
An Improved Valve Cover Is Available for Certain C9 Machine Engines {1107, 1120}
2010/07/20
An Improved Guide Spring and Valve Lifter Assembly Are Used in Certain Machines Equipped with C-9, C9 ACERT Engines, and C9.3 ACERT Engines {1104, 1108}
2014/06/26
An Improved Valve Cover Is Available for Certain C9 Machine Engines {1107, 1120}
2012/02/27

Caterpillar Parts SIS Catalog 521 :

COVER GP-VALVE MECHANISM
258-8724 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
258-8724 COVER GP-VALVE MECHANISM
COVER GP-FRONT HOUSING
211-3285 COVER GP-FRONT HOUSING
COVER GP-FRONT HOUSING
118-1727 COVER GP-FRONT HOUSING
COVER GP-FLYWHEEL HOUSING
133-3089 COVER GP-FLYWHEEL HOUSING
COVER GP-CYLINDER BLOCK
202-3301 COVER GP-CYLINDER BLOCK
CAMSHAFT GP
242-0674 CAMSHAFT GP
BELT TENSIONER GP
224-7846 BELT TENSIONER GP
COVER GP-VALVE MECHANISM
280-8003 COVER GP-VALVE MECHANISM
CRANKSHAFT GP
164-6148 CRANKSHAFT GP
CYLINDER BLOCK AS
325-3915 CYLINDER BLOCK AS
CYLINDER BLOCK AS
517-1908 CYLINDER BLOCK AS
CYLINDER BLOCK GP
161-3406 CYLINDER BLOCK GP
CYLINDER BLOCK GP
220-1951 CYLINDER BLOCK GP
CYLINDER BLOCK GP
220-1952 CYLINDER BLOCK GP
CYLINDER HEAD AS
332-3619 CYLINDER HEAD AS

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