245-3260 HOUSING GP-FRONT S/N TXD1-UP; THX1-UP PART OF 417-0656, 417-0657, 511-8734, 511-8735 ENGINE AR-COMPLETE ALSO AN ATTACHMENT 521B

Part No	Qty	Parts name
1P-0451	[1]	GASKET
161-3411	[6]	GASKET
191-4457	[1]	GASKET
197-8419	[1]	GASKET (TURBOCHARGER)
187-1315	[1]	GASKET AS
375-2467 M	[4]	LOCKNUT-FLANGE (M10X1.5-THD)
3S-9643	[1]	SEAL-LIP TYPE
4G-4972	[1]	SEAL-O-RING
6V-6609	[8]	SEAL-O-RING
214-7566	[1]	SEAL-O-RING
214-7567	[2]	SEAL-O-RING
214-7568	[12]	SEAL-O-RING
228-7089	[2]	SEAL-O-RING
228-7096	[2]	SEAL-O-RING
238-5080	[3]	SEAL-O-RING
268-3490	[1]	SEAL-VALVE COVER
285-4106	[1]	SEAL-VALVE COVER
163-2478	[12]	SEAL-VALVE STEM
241-8390	[12]	SEAL-VALVE STEM
418-6781 M	[4]	STUD-TAPERLOCK (M10X1.5X40-MM)

		FOR A LIST OF RELATED PARTS THAT MAY BE REQUIRED FOR THE ENGINE REBUILD TO THE KIT CONSIST, PLEASE VISIT

		HTTP://DEALER.CAT.COM/RELATED
M		METRIC PART

#SEBP51220052

428-9317: KIT-ENGINE GASKET

KIT-ENGINE GASKET

428-9317 KIT-ENGINE GASKET
S/N THX1-UP
CONTAINS THE GASKETS & SEALS TO REINSTALL WATER PUMP & ATTACHING LINES
FOR USE WITH REHS7938, REHS7939 & REHS7940
FIELD INSTALLATION

i05277856 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
6V-6609	[4]	SEAL-O-RING
147-0182	[1]	SEAL-O-RING
384-9992	[1]	SEAL-O-RING

		FOR A LIST OF RELATED PARTS THAT MAY BE REQUIRED FOR THE ENGINE REBUILD IN ADDITION TO THE KIT CONSIST, PLEASE VISIT:

		HTTPS://DEALER.CAT.COM/RELATED

#SEBP51220053

450-2548: KIT-ENGINE GASKET

KIT-ENGINE GASKET

450-2548 KIT-ENGINE GASKET
S/N TXD1-UP; THX1-UP
KIT CONTAINS GASKETS AND SEALS TO REINSTALL THE TURBOS AND ATTACHING LINES.. KIT INCLUDES THE TURBO MOUNTING HARDWARE.
FIELD INSTALLATION

i05799988 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
1P-0451	[1]	GASKET
197-8419	[1]	GASKET (TURBOCHARGER)
375-2467 M	[4]	LOCKNUT-FLANGE (M10X1.5-THD)
6V-5063	[1]	SEAL-O-RING
5P-7530	[1]	SEAL-O-RING
6V-6609	[8]	SEAL-O-RING
214-7568	[1]	SEAL-O-RING
228-7089	[2]	SEAL-O-RING
228-7090	[1]	SEAL-O-RING
238-5080	[1]	SEAL-O-RING
418-6781 M	[4]	STUD-TAPERLOCK (M10X1.5X40-MM)

		FOR A LIST OF RELATED PARTS THAT REQUIRED FOR THE ENGINE REBUILD TO THE KIT CONSIST, PLEASE VISIT

		HTTP://DEALER.CAT.COM/RELATED
M		METRIC PART

#SEBP51220054

424-1425: KIT-FRONT COVER GASKET

KIT-FRONT COVER GASKET

424-1425 KIT-FRONT COVER GASKET
S/N F7B1-UP
CONTAINS THE GASKETS, SEALS AND BENDABLE LOCKS TO REINSTALL THE FRONT COVER. KIT DOES NOT INCLUDE THE OIL PAN GASKET
FOR USE WITH @@@@@417-0656@@@@@
FIELD INSTALLATION

i06524066 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
4R-9999	[1]	EXCLUDER-CRANKSHAFT SEAL
166-1781	[1]	GASKET
245-7339	[1]	SEAL-CRANKSHAFT (FRONT)
135-9819	[1]	SEAL-INTEGRAL
6V-6609	[1]	SEAL-O-RING
8L-2779	[2]	SEAL-O-RING
061-9455	[1]	SEAL-O-RING
147-0182	[1]	SEAL-O-RING
214-7568	[2]	SEAL-O-RING
227-5904	[1]	SEAL-O-RING
228-4947	[3]	SEAL-O-RING
228-7089	[1]	SEAL-O-RING
228-7092	[2]	SEAL-O-RING
238-5080	[1]	SEAL-O-RING
238-5081	[1]	SEAL-O-RING
238-5082	[1]	SEAL-O-RING
384-9992	[1]	SEAL-O-RING
126-1757	[2]	WASHER (10.85X19.3X1.27-MM THK)

#SEBP51220055

448-1642: KIT-REAR COVER GASKET

KIT-REAR COVER GASKET

448-1642 KIT-REAR COVER GASKET
S/N TXD1-UP
KIT CONTAINS THE GASKETS, SEALS & BENDABLE LOCKS TO REINSTALL THE REAR COVER. KIT DOES NOT INCLUDE THE OIL PAN GASKET
FIELD INSTALLATION

i05809089 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
9Y-6089	[2]	GASKET
106-1565	[1]	PLUG
1P-1669	[1]	PLUG-SEAL
528-5683	[1]	SEAL GP-CRANKSHAFT (COUNTERCLOCKWISE ROTATION)
061-9455	[1]	SEAL-O-RING
214-7567	[1]	SEAL-O-RING
238-5080	[3]	SEAL-O-RING
238-5084	[2]	SEAL-O-RING

		FOR A LIST OF RELATED PARTS THAT MAY BE REQUIRED FOR THE ENGINE REBUILD TO THE KIT CONSIST, PLEASE VISIT

		HTTP://DEALER.CAT.COM/RELATED

#SEBP51220056

191-3063: LIFTING GP-ENGINE

LIFTING GP-ENGINE

191-3063 LIFTING GP-ENGINE
S/N TXD1-UP; THX1-UP
FRONT AND REAR
PART OF 367-4852, 417-0656, 417-0657, 511-8734, 511-8735 ENGINE AR-COMPLETE
ALSO AN ATTACHMENT

i01439722 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	228-4766	[1]	PLATE-LIFTING (FRONT)
2.	166-1785	[1]	PLATE-LIFTING (REAR)
3.	5P-8245	[3]	WASHER-HARD (13.5X25.5X3-MM THK)
4.	6V-8675 M	[3]	BOLT (M12X1.75X35-MM)
	M		METRIC PART

#SEBP51220057

216-9855: MOUNTING GP-ENGINE

MOUNTING GP-ENGINE

216-9855 MOUNTING GP-ENGINE
S/N F7B1-UP
PART OF 367-2135 INSTALLATION AR-ENGINE

i01848835 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5P-0597	[1]	CLAMP-HOSE
2.	9W-6582 E	[2]	SLEEVE (74-MM)
3.	9W-9920	[2]	MOUNTING AS-VIBRATION ISOLATOR
4.	118-9930	[2]	SUPPORT AS
			(EACH INCLUDES)
	8T-4131 M	[1]	NUT (M20X2.5-THD)
5.	125-2706	[2]	PLATE AS
			(EACH INCLUDES)
	8T-3490 M	[1]	NUT-WELD (M10X1.5-THD)
6.	139-8736	[2]	MOUNT-FLEXIBLE (LOWER)
7.	139-8737	[2]	MOUNT-FLEXIBLE (UPPER)
8.	139-8873 M	[2]	SUPPORT AS
			(EACH INCLUDES)
	8T-4001 M	[1]	NUT (M24X3-THD)
9.	239-6602	[1]	BRACKET AS
10.	226-6020	[1]	BRACKET AS
11.	109-9437	[2]	WASHER (24.5X135X12-MM THK)
12.	7X-0345	[6]	BOLT (5/8-11X1.75-IN)
13.	7X-0346	[2]	BOLT (5/8-11X2-IN)
14.	7X-2567 M	[2]	BOLT (M24X3X160-MM)
15.	8T-1482	[2]	WASHER-HARD (26X50X8-MM THK)
16.	8T-4122	[10]	WASHER-HARD (17X32X3.5-MM THK)
17.	8T-4123	[2]	WASHER (22X35X3.5-MM THK)
18.	8T-4167	[2]	WASHER-HARD (26X44X4-MM THK)
19.	8T-6381 M	[2]	BOLT (M20X2.5X120-MM)
20.	9W-6584	[2]	WASHER (20.5X114X10-MM THK)
21.	5P-0767 E		HOSE (32-CM)
22.	095-1388	[1]	CLAMP-HOSE
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP51220058

219-9943: PAN GP-OIL

PAN GP-OIL

219-9943 PAN GP-OIL
S/N TXD1-UP; THX1-UP
PART OF 367-4852, 417-0656, 417-0657, 511-8734, 511-8735 ENGINE AR-COMPLETE
ALSO AN ATTACHMENT

i01848897 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	351-0283	[1]	VALVE AS-SHUTOFF (ENGINE OIL)
	6V-7238	[1]	VALVE-SHUTOFF
1A.	238-5080	[1]	SEAL-O-RING
2.	190-6114	[1]	GASKET-OIL PAN
3.	221-9806	[1]	PAN-OIL
4.	389-3709	[1]	PLUG AS
4A.	238-5082	[1]	SEAL-O-RING
	360-3682	[1]	PLUG-O-RING
5.	398-5596	[1]	PLUG AS
5A.	238-5080	[1]	SEAL-O-RING
	360-3680	[1]	PLUG
6.	6V-3918 M	[32]	BOLT (M8X1.25X50-MM)
7.	9M-1974	[32]	WASHER-HARD (8.8X16X2-MM THK)

	4C-9612 BF		SEALANT-SILICONE
	B		USE AS REQUIRED
	F		NOT SHOWN
	M		METRIC PART

#SEBP51220059

265-1400: PISTON & ROD GP

PISTON & ROD GP

265-1400 PISTON & ROD GP
S/N TXD1-UP; THX1-UP
16.1:1 COMPRESSION RATIO
PART OF 350-9162, 384-8426, 417-6290 ENGINE AR-CORE
ALSO AN ATTACHMENT

i02283010 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	213-3190	[1]	BEARING (CONNECTING ROD)
2.	160-8199	[1]	ROD AS
2A.	160-8194	[1]	BEARING (CONNECTING ROD)
2B.	160-8197 M	[2]	BOLT (M12X1.25X62-MM)
3.	166-3648	[1]	PIN-PISTON
4.	347-2382	[1]	RING-PISTON (OIL CONTROL)
5.	385-1657	[1]	CROWN AS-PISTON
6.	347-2381	[1]	RING-PISTON (INTERMEDIATE)
7.	197-9367	[1]	TUBE AS (PISTON COOLING JET)
8.	347-2380	[1]	RING-PISTON (TOP)
9.	324-7380	[1]	SKIRT-PISTON
10.	6V-3940 M	[1]	BOLT (M8X1.25X25-MM)
11.	7X-2908	[2]	RING-RETAINING
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

Information:

BASIC ENGINE

GEAR GP

Engine News

An Improved Front Gear Train Timing Procedure Is Used for 3406E, 3456, C-15, C-16, C15, and C18 Engines {1206}
2012/12/14

Specifications

Gear Group (Front)
C9 Engines for Caterpillar Built Machines

Reuse And Salvage Guidelines

Reuse and Salvage for Gear Train and Gear Shafts on Engines {0679, 1151, 1162, 1206}
Reuse and Salvage for Gear Train and Gear Shafts on Engines {0679, 1151, 1162, 1206}

Testing and Adjusting

Gear Group (Front) - Time
C7 Engines for Caterpillar Built Machines

Gear Group (Front) - Time
C9 Engines for Caterpillar Built Machines

Disassembly and Assembly

Gear Group (Rear) - Remove and Install
C9 Engines for Caterpillar Built Machines

Service Magazine

An Improved Front Gear Train Timing Procedure Is Used for 3406E, 3456, C-15, C-16, C15, and C18 Engines {1206}
2012/12/13

Caterpillar Parts SIS Catalog 521B :

209-0758 HOUSING GP-FRONT

187-0473 HOUSING GP-FLYWHEEL

205-1321 GEAR GP-FRONT

116-5386 FLYWHEEL GP

233-0423 FASTENER GP-VALVE COVER BASE

236-7315 FASTENER GP-VALVE COVER

117-2794 FASTENER GP-FLYWHEEL

218-0859 FASTENER GP-DAMPER & PULLEY

562-1843 KIT-CYLINDER HEAD

428-9317 KIT-ENGINE GASKET

450-2548 KIT-ENGINE GASKET

424-1425 KIT-FRONT COVER GASKET

448-1642 KIT-REAR COVER GASKET

191-3063 LIFTING GP-ENGINE

216-9855 MOUNTING GP-ENGINE

219-9943 PAN GP-OIL

Truck sale:

Caterpillar 521B
- Knuckleboom loaders
ZIEGLER CAT

Caterpillar 521B
- Feller Bunchers
MILTON CAT

Caterpillar 521B
- Feller Bunchers
PETERSON CAT

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;