362-3900 FRAME GP-UNDERCARRIAGE S/N F7B1-UP PART OF 351-6848 COMMON AR 521B TRACK FELLER BUNCHER

Part No	Qty	Parts name
318-9121 Y	[2]	DRIVE GP-FINAL
220-1362 Y	[1]	FASTENER GP-FINAL DRIVE
152-1735 Y	[1]	GEAR & BEARING GP-SWING
100-3721 Y	[1]	GUARD GP-SWIVEL
365-5798 Y	[1]	GUARD GP-TRAVEL MOTOR
280-6760 Y	[1]	IDLER GP-FRONT
339-8348 Y	[1]	LINES GP-TRAVEL MOTOR
339-8350 Y	[1]	ROLLER GP-TRACK
7Y-0763 Y	[2]	SPROCKET GP
		S/N F7B1-259
438-0965 Y	[2]	SPROCKET GP
		S/N F7B260-UP

364-2231	[1]	FRAME AS-UNDERCARRIAGE
Y		SEPARATE ILLUSTRATION

#SEBP51220291

136-2422: IDLER GP

IDLER GP

136-2422 IDLER GP
S/N F7B1-UP
PART OF 280-6761 IDLER GP-FRONT

i00686776 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	136-3847	[1]	IDLER AS
2.	6Y-8023	[2]	BEARING-IDLER
3.	109-0881	[2]	SEAL GP-DUO-CONE
			(EACH INCLUDES)
	5P-9120	[2]	RING-SEALING
4.	1H-7339	[2]	SEAL-O-RING
5.	6Y-8028	[1]	SHAFT-IDLER
6.	115-3699	[2]	BEARING-FRONT
7.	7H-3171	[1]	PLUG-PIPE
8.	6Y-8029	[2]	PIN-SPRING

#SEBP51220292

280-6760: IDLER GP-FRONT

IDLER GP-FRONT

280-6760 IDLER GP-FRONT
S/N F7B1-UP
PART OF 362-3900 FRAME GP-UNDERCARRIAGE

i04463585 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	297-9152 CY	[2]	ADJUSTMENT GP-HYDRAULIC TRACK
2.	280-6761 Y	[2]	IDLER GP-FRONT
3.	095-1280 M	[4]	SETSCREW-SOCKET (M16X2X20-MM)
			QUANTITIES SHOWN ARE THOSE REQUIRED FOR BOTH LH & RH SIDES
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220293

280-6761: IDLER GP-FRONT

IDLER GP-FRONT

280-6761 IDLER GP-FRONT
S/N F7B1-UP
PART OF 280-6760 IDLER GP-FRONT

i04546539 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	136-2422 Y	[1]	IDLER GP (FRONT)
2.	248-7170 Y	[1]	SPRING GP-RECOIL
3.	7X-2563 M	[4]	BOLT (M20X2.5X60-MM)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220294

213-1975: LINK AS-TRACK

LINK AS-TRACK

213-1975 LINK AS-TRACK -GREASE LUBRICATED TRACK
S/N F7B1-UP
47-SECTION
PART OF 152-1734, 188-9778, 188-9779, 415-6805, 415-6806 TRACK GP
AN ATTACHMENT

i01802125 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
201-0828	[1]	BUSHING-TRACK MASTER
321-1463	[46]	BUSHING-TRACK
6Y-2589	[47]	LINK-TRACK (RH)
6Y-2590	[47]	LINK-TRACK (LH)
6Y-2748	[1]	PIN-TRACK MASTER
6Y-2751	[46]	PIN-TRACK
179-3428	[2]	SEAL-TRACK MASTER
179-3426	[92]	SEAL-TRACK

#SEBP51220295

228-6405: ROLLER GP-TRACK

ROLLER GP-TRACK

228-6405 ROLLER GP-TRACK
S/N F7B1-UP
PART OF 336-7738 ROLLER GP-TRACK
Type 1
AN ATTACHMENT

i01931064 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
1.	183-2874 Y	[1]	ROLLER GP-TRACK-SINGLE FLANGE
	Y		SEPARATE ILLUSTRATION

#SEBP51220296

228-6405: ROLLER GP-TRACK

ROLLER GP-TRACK

228-6405 ROLLER GP-TRACK
S/N F7B1-UP
PART OF 336-7738 ROLLER GP-TRACK
Type 2
AN ATTACHMENT

i06682063 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	428-8691 CY	[1]	ROLLER GP-TRACK-SINGLE FLANGE
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP51220297

228-6405: ROLLER GP-TRACK

ROLLER GP-TRACK

228-6405 ROLLER GP-TRACK
S/N F7B1-UP
PART OF 336-7738 ROLLER GP-TRACK
Type 3
AN ATTACHMENT

i07214799 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
499-3440 Y	[1]	ROLLER GP-TRACK-SINGLE FLANGE
		-OR-
Y	[1]	ROLLER GP-TRACK-SINGLE FLANGE
Y		SEPARATE ILLUSTRATION

#SEBP51220298

336-7738: ROLLER GP-TRACK

ROLLER GP-TRACK

336-7738 ROLLER GP-TRACK -STAR
S/N F7B1-UP
CANNOT BE USED WITH @@@@@336-7737@@@@@
AN ATTACHMENT

i03489154 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
228-6405 Y	[4]	ROLLER GP-TRACK (SINGLE FLANGE)

8T-0668 M	[16]	BOLT (M24X3X110-MM)
6V-8237	[16]	WASHER (26X44X4-MM THK)
M		METRIC PART
Y		SEPARATE ILLUSTRATION

#SEBP51220299

339-8350: ROLLER GP-TRACK

ROLLER GP-TRACK

339-8350 ROLLER GP-TRACK
S/N F7B1-UP
PART OF 362-3900 FRAME GP-UNDERCARRIAGE

i04380477 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Part No	Qty	Parts name
183-2874 Y	[2]	ROLLER GP-TRACK-SINGLE FLANGE
183-2879 Y	[16]	ROLLER GP-TRACK-DOUBLE FLANGE

8T-0668 M	[72]	BOLT (M24X3X110-MM)
6V-8237	[72]	WASHER (26X44X4-MM THK)
M		METRIC PART
Y		SEPARATE ILLUSTRATION

Information:

Caterpillar Parts SIS Catalog 521B :

297-9152 ADJUSTMENT GP-HYDRAULIC TRACK

248-7170 SPRING GP-RECOIL

380-0817 LINES GP-GREASE

380-0816 LINES GP-GREASE

378-8867 LINES GP-GREASE

361-5319 HOOD GP

339-8293 HOOD GP

136-2422 IDLER GP

280-6760 IDLER GP-FRONT

280-6761 IDLER GP-FRONT

213-1975 LINK AS-TRACK

228-6405 ROLLER GP-TRACK

336-7738 ROLLER GP-TRACK

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;