362-3885 WIRING GP-MACHINE S/N F7B402-UP PART OF 362-3897 ELECTRICAL AR 521B TRACK FELLER BUNCHER

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 362-3885 WIRING GP-

POWER TRAIN

PUMP GP

1. 177-2521 COVER GP-P

BOGIE GP

2. 165-6209 DRIVE GP-F
3. 318-9121 DRIVE GP-F

DRIVE GP-FINAL

4. 220-1362 FASTENER G

MOTOR GP

5. 291-1126 HEAD GP-MO

HYDRAULIC SYSTEM

LINES GP-PROPEL

6. 367-2130 LINES GP-P

MOTOR GP

7. 334-9971 MOTOR GP-S
8. 334-9978 MOTOR GP-S
9. 482-6394 MOTOR GP-S
0. INFORMATION

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

ELECTRICAL AND STARTING SYSTEM

WIRING GP

362-3885 WIRING GP-MACHINE

#SEBP51220250

362-3885: WIRING GP-MACHINE

WIRING GP-MACHINE

362-3885 WIRING GP-MACHINE
S/N F7B402-UP
PART OF 362-3897 ELECTRICAL AR

i07258980 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[76]	STRAP-CABLE
2.	7K-1181	[21]	STRAP-CABLE
3.	139-2397	[1]	BRACKET AS
4.	189-3158	[10]	SUPPRESSOR-ARC
5.	199-8026	[2]	GROMMET
6.	240-7193	[2]	RESISTOR AS (500-OHM, 2-WATT)
			(EACH INCLUDES)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
7.	258-0883 Y	[1]	SWITCH GP-PRESSURE (HYDRAULIC FILTER BYPASS)
8.	264-4297	[1]	SENSOR AS-TEMPERATURE (2-PIN)(HYDRAULIC OIL)
	137-6645	[1]	PAD-CONNECTOR
9.	266-5885	[1]	RESISTOR AS
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	125-7876 E		TUBE-HEAT SHRINK (17.78-MM DIA)(4-CM)
10.	274-7921	[2]	CONTROL GP-MACHINE (IQAN, XA MODULE)
11.	279-5629	[1]	BRACKET AS
	8T-3490 M	[1]	NUT-WELD (M10X1.5-THD)
12.	347-0596	[2]	FLANGE-MOUNTING
13.	364-0494	[1]	RECEPTACLE AS-CONNECTOR (SPLICE)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8T-8729	[4]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[8]	PLUG-SEAL
14.	378-8862	[1]	HARNESS AS-LIGHTING (ANGLED FLOODS, SERVICE LIGHTS)
	126-1768	[4]	SOCKET-CONNECTOR (14-GA TO 16-GA)
	155-2270	[2]	KIT-CONNECTING PLUG (2-PIN)
			(EACH INCLUDES PLUG AS, WEDGE, & INTERFACE SEAL)
15.	382-0642	[2]	PLATE
16.	392-5400	[1]	BRACKET AS
	7T-1099	[2]	LINK
	159-9540 M	[3]	NUT-WELD (M8X1.25-THD)
17.	392-5401	[1]	BRACKET
18.	395-3147 Y	[1]	HARNESS AS-CONSOLE
19.	395-3296	[2]	BRACKET
20.	395-3297	[2]	PLATE
21.	396-1595	[1]	HARNESS AS-SENSOR (FAN SPEED)
	102-8803	[1]	KIT-RECEPTACLE (3-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	3E-3371	[1]	WEDGE-RECEPTACLE LOCK (3-PIN)
	9X-3401	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
			-OR-
	126-1767	[3]	PIN-CONNECTOR (14-GA TO 16-GA)
	271-5604	[3]	PIN-CONNECTOR (20-GA)
			-OR-
	347-0109	[3]	WIRE AS (18-GA)
22.	430-9448 Y	[1]	SENSOR GP-LIQUID LEVEL (HYDRAULIC TANK)
23.	515-7733 Y	[1]	HARNESS AS-CHASSIS
24.	525-4701 Y	[1]	HARNESS AS-VALVE
25.	525-4702 Y	[1]	HARNESS AS-REAR
26.	110-2028	[8]	SCREW-PAN HEAD (10-14X0.75-IN)
27.	130-5300	[23]	CLIP
28.	132-5789 C	[5]	CLIP (LADDER)
29.	198-4766	[1]	WASHER-HARD (11X25X10-MM THK)
30.	1S-0994	[1]	CLIP (LOOP)
31.	223-3490	[2]	CLIP
32.	260-5864 Y	[1]	SWITCH GP-TOGGLE (GROUND LEVEL SHUTDOWN)
33.	277-1873	[1]	CLIP (LADDER)
34.	2M-9780	[1]	SEAL-O-RING
35.	2V-8260	[1]	GROMMET
36.	310-1898	[1]	CLIP (LADDER)
37.	352-3964	[2]	CLIP (LADDER)
38.	3E-4352	[11]	WASHER-HARD (8.8X20.5X2.5-MM THK)
39.	3K-0360	[1]	SEAL-O-RING
40.	4D-7794	[2]	CLIP
41.	4K-8864	[3]	CLIP (LOOP)
42.	4P-7581 C	[10]	CLIP (LADDER)
43.	4P-8134	[1]	CLIP (LADDER)
44.	5C-2890 M	[4]	NUT (M6X1-THD)
45.	6D-3479	[6]	CLIP (LOOP)
46.	6D-4244	[3]	CLIP (LOOP)
47.	6V-1889	[2]	CLIP (LOOP)
48.	8T-0328	[8]	WASHER-HARD (5.5X10X1-MM THK)
49.	8T-4121	[55]	WASHER-HARD (11X21X2.5-MM THK)
50.	8T-4133 CM	[1]	NUT (M10X1.5-THD)
51.	8T-4136 CM	[10]	BOLT (M10X1.5X25-MM)
52.	8T-4137 M	[37]	BOLT (M10X1.5X20-MM)
53.	8T-4189 M	[6]	BOLT (M8X1.25X20-MM)
54.	8T-4195 M	[7]	BOLT (M10X1.5X30-MM)
55.	8T-4200 M	[2]	BOLT (M8X1.25X16-MM)
56.	8T-4205	[4]	WASHER-HARD (7.2X14.5X2-MM THK)
57.	135-2543 C	[2]	BOOT (RED)
58.	533-0063 C	[1]	BRACKET AS
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220251

177-2521: COVER GP-PUMP

COVER GP-PUMP

177-2521 COVER GP-PUMP
S/N F7B1-UP
PART OF 308-4488 HEAD GP-PUMP

i02880195 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-2403 M	[1]	SETSCREW-HEX SOCKET (M12X1.75X50-MM)
2.	6E-3283 M	[1]	LOCKNUT (M12X1.75-THD)
3.	177-2530	[1]	COVER
4.	4J-5573	[1]	SEAL-O-RING
5.	8T-2503 M	[4]	BOLT-SOCKET HEAD (M14X2X35-MM)
6.	123-7562	[1]	SEAL-O-RING
7.	9T-3929	[1]	PLUG AS
	M		METRIC PART

#SEBP51220252

165-6209: DRIVE GP-FINAL

DRIVE GP-FINAL

165-6209 DRIVE GP-FINAL
S/N F7B1-UP
PART OF 318-9121 DRIVE GP-FINAL

i01352331 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	185-0701	[1]	HOUSING-MOTOR
2.	208-0097	[1]	PLUG
3.	152-8707	[1]	COUPLER
4.	185-0751	[1]	CARRIER
5.	185-0752	[1]	PLATE
6.	7X-2910	[1]	RING-RETAINING
7.	183-3302	[1]	WASHER-COPPER (8.2X11.9X1-MM THK)
8.	174-3069	[1]	RING-RETAINING
9.	185-0780	[1]	PLUG
10.	8T-9521	[1]	SEAL-O-RING
11.	185-0753	[5]	GEAR-PLANETARY
12.	108-3222	[10]	BEARING AS-ROLLER
13.	110-6193	[10]	WASHER (80X86X2.7-MM THK)
14.	109-0118	[5]	RING-RETAINING
15.	185-0754	[1]	SEAL GP-DUO-CONE
16.	095-0928	[5]	RING-RETAINING
17.	185-0755	[1]	GEAR-SUN
18.	183-6930	[1]	RING-RETAINING
19.	185-0759 M	[1]	NUT-SHAFT (M205X2-THD)
20.	3D-9132	[1]	CONE-BEARING
21.	176-0053	[1]	BEARING AS-SPECIAL
22.	197-7471	[1]	SEAL-O-RING
23.	193-0337	[1]	SPACER
24.	185-0778	[1]	WASHER-THRUST (62X85X4.8-MM THK)
25.	185-0762	[1]	PISTON-BRAKE
26.	185-0763	[1]	PLATE
27.	8H-5352	[1]	BALL BEARING
28.	7U-3538	[1]	RING-RETAINING
29.	9X-2858	[6]	RING-RETAINING
30.	176-0051	[6]	RING-LOCATING
31.	185-0764	[1]	BRAKE GP-PARKING
32.	6V-7644	[3]	RING-RETAINING
33.	176-0055	[3]	BEARING
34.	185-0777	[3]	GEAR-PLANETARY (35-TEETH)
35.	185-0766	[1]	SEAL GP (PARKING BRAKE)
36.	185-0776	[1]	CARRIER
37.	132-9741	[1]	WASHER (HOUSING)
38.	185-0774	[1]	GEAR-SUN (17-TEETH)
39.	151-2115	[2]	WASHER-COPPER (18X22X1.5-MM THK)
40.	8U-5786	[2]	PLUG (FINAL DRIVE, OIL DRAIN, FILL)
41.	8T-8441 M	[12]	BOLT-SOCKET HEAD (M12X1.75X25-MM)
42.	109-5695	[1]	SEAL-O-RING
43.	109-6494	[1]	RING-RETAINING
44.	209-4433	[2]	DOWEL
45.	8T-4241	[3]	RING-RETAINING
46.	109-5707	[1]	SEAL-O-RING
47.	185-0768	[1]	HOUSING
48.	9X-8480 M	[24]	BOLT (M24X3X110-MM)
49.	185-0769	[1]	GEAR-RING
50.	137-7148	[3]	BEARING-ROLLER
51.	185-0770	[1]	COVER
52.	185-0771	[1]	GEAR-SUN
53.	185-0772	[1]	CARRIER
54.	185-0773	[3]	GEAR-PLANETARY
55.	3D-9133	[1]	CUP-BEARING
	M		METRIC PART

#SEBP51220253

318-9121: DRIVE GP-FINAL

DRIVE GP-FINAL

318-9121 DRIVE GP-FINAL
S/N F7B1-UP
PART OF 362-3900 FRAME GP-UNDERCARRIAGE

i03942490 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	165-6209 Y	[1]	DRIVE GP-FINAL
2.	320-2393 Y	[1]	MOTOR GP-TRAVEL
3.	8T-5460 M	[2]	BOLT (M20X2.5X40-MM)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220254

220-1362: FASTENER GP-FINAL DRIVE

FASTENER GP-FINAL DRIVE

220-1362 FASTENER GP-FINAL DRIVE
S/N F7B1-UP
PART OF 362-3900 FRAME GP-UNDERCARRIAGE

i04463565 SEBP5122

2201362 FASTENER GP-FINAL DRIVE Parts scheme

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-8133 M	[40]	BOLT (M24X3X80-MM)
2.	6V-8237	[40]	WASHER (26X44X4-MM THK)
	M		METRIC PART

#SEBP51220255

291-1126: HEAD GP-MOTOR

HEAD GP-MOTOR

291-1126 HEAD GP-MOTOR -TRAVEL
S/N F7B1-UP
PART OF 320-2393 MOTOR GP-TRAVEL

i02992824 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	142-1384	[1]	PLUG
2.	6V-8352	[1]	SEAL-O-RING
3.	120-4394	[6]	PLUG-BREAK OFF
4.	209-9719	[3]	PLUG AS
5.	142-1382	[1]	PISTON
6.	192-2893	[1]	HEAD
7.	081-3959	[1]	PLUG AS
	126-9093	[1]	SEAL
8.	139-7757	[5]	PLUG
9.	123-5798	[1]	SEAT
10.	192-3292	[1]	PIN
11.	123-5799	[1]	SEAT
12.	9T-3853 M	[1]	LOCKNUT (M6X1-THD)
13.	107-3117	[1]	SEAL-O-RING
14.	095-9804 M	[4]	BOLT-SOCKET HEAD (M12X1.75X110-MM)
15.	194-6973 Y	[1]	VALVE GP-BRAKE (PRESSURE RELEASE)
16.	142-1383	[1]	PIN-TRUNNION
17.	194-6972	[2]	PIN
18.	095-9232 M	[2]	BOLT-SOCKET HEAD (M12X1.75X95-MM)
19.	8C-8729 M	[2]	BOLT-SOCKET HEAD (M12X1.75X80-MM)
20.	194-6982 J	[2]	VALVE GP-RELIEF (CROSSOVER)
21.	190-9752	[1]	PLUG AS
22.	291-1122 Y	[1]	VALVE GP-FLOW CONTROL (TRAVEL MOTOR)
23.	192-3293 Y	[2]	VALVE GP-CHECK & RELIEF (TRAVEL MOTOR)
24.	191-2708	[1]	VALVE AS-SHUTTLE (TRAVEL BRAKE)
25.	192-2900	[1]	PISTON-CONTROL
26.	192-2895	[1]	ADAPTER-BUSHING
27.	123-5791	[1]	SPRING
28.	194-6970	[1]	PLUG-ADAPTER
29.	194-6971	[1]	RETAINER
30.	178-2841	[1]	SETSCREW
31.	3J-1907	[1]	SEAL-O-RING
32.	9S-8004	[1]	PLUG (9/16-18-THD)

			AVAILABLE REPAIR KIT(S):
	194-6983 J	[1]	KIT-SEAL (RELIEF VALVE)
			(INCLUDES SEALS, RINGS & NUT)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220256

367-2130: LINES GP-PROPEL

LINES GP-PROPEL

367-2130 LINES GP-PROPEL
S/N F7B1-UP
PART OF 362-3896 HYDRAULIC AR

i04380474 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4I-5546	[1]	SUPPORT
2.	7Y-1649	[1]	BOOT
3.	093-0543	[1]	RETAINER
4.	160-7627	[4]	CONNECTOR AS
			(EACH INCLUDES)
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	122-2340	[1]	CONNECTOR
5.	279-5058	[4]	MANIFOLD
6.	303-5984	[2]	TUBE AS
7.	441-0378 I	[1]	HOSE AS
8.	441-0379 I	[1]	HOSE AS
9.	441-0376 I	[1]	HOSE AS
10.	441-0377 I	[1]	HOSE AS
11.	1P-3702	[4]	SEAL-RECTANGULAR
12.	1P-3703	[8]	SEAL-RECTANGULAR
13.	5P-0600	[1]	CLAMP-HOSE
14.	5P-1076	[2]	WASHER-HARD (13.5X30X4-MM THK)
15.	6V-0400	[8]	FLANGE-HALF
16.	8T-4121	[24]	WASHER-HARD (11X21X2.5-MM THK)
17.	8T-4136 M	[8]	BOLT (M10X1.5X25-MM)
18.	105-3477 M	[16]	BOLT-SOCKET HEAD (M10X1.5X45-MM)
19.	8T-4223	[16]	WASHER-HARD (13.5X25.5X3-MM THK)
20.	8T-4648 M	[2]	BOLT (M12X1.75X70-MM)
21.	8T-6868 M	[16]	BOLT (M12X1.75X80-MM)
22.	8T-9403	[8]	FLANGE-HALF
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP51220257

334-9971: MOTOR GP-SWING

MOTOR GP-SWING

334-9971 MOTOR GP-SWING
S/N F7B1-376
PART OF 220-8623 DRIVE GP-SWING

i03857469 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	184-3830 Y	[2]	VALVE GP-RELIEF (SWING MOTOR)
2.	334-9978 Y	[1]	MOTOR GP-SWING
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP51220258

334-9978: MOTOR GP-SWING

MOTOR GP-SWING

334-9978 MOTOR GP-SWING
S/N F7B1-UP
PART OF 334-9971, 482-6394 MOTOR GP-SWING

i03857509 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	188-4163	[1]	SHAFT
2.	096-1533 J	[1]	SEAL-LIP TYPE
3.	188-4170	[1]	BEARING
4.	188-4169	[1]	BODY
5.	188-4165	[1]	PLATE
6.	188-4167	[1]	PLATE
7.	334-9982	[1]	PISTON AS
8.	188-4166	[1]	PLATE
9.	188-4164	[1]	BARREL
10.	188-4172	[3]	PLATE-FRICTION
11.	188-4173	[4]	PLATE-SEPARATOR
12.	7Y-4290	[1]	PISTON-BRAKE
13.	5J-2383 J	[1]	SEAL-O-RING
14.	7Y-4294 J	[1]	SEAL-O-RING
15.	4I-5849 J	[1]	SEAL-O-RING
16.	123-2139	[20]	SPRING
17.	188-4162	[1]	HEAD GP-MOTOR
	099-8111	[2]	PIN-SPRING
18.	3J-1907 J	[2]	SEAL-O-RING
19.	110-5525	[2]	PLUG
20.	204-2677	[1]	PLATE-VALVE
21.	188-4171	[1]	BEARING
22.	170-9996	[2]	PLUG
23.	170-9985	[2]	VALVE-PISTON
24.	7Y-5221 M	[4]	BOLT-SOCKET HEAD (M20X2.5X45-MM)
25.	170-9986	[2]	SPRING
26.	095-1600 J	[2]	SEAL-O-RING

			AVAILABLE REPAIR KIT(S):
	188-4176 J	[1]	KIT-SEAL (SWING MOTOR)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP51220259

482-6394: MOTOR GP-SWING

MOTOR GP-SWING

482-6394 MOTOR GP-SWING
S/N F7B377-UP
PART OF 507-2612 DRIVE GP-SWING

i06876090 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	334-9978 Y	[1]	MOTOR GP-SWING
2.	488-6753 Y	[2]	VALVE GP-RELIEF
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

Information:

ELECTRICAL AND STARTING SYSTEM

WIRING GP

Engine News

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2010/05/13

Operation and Maintenance Manual

Battery - Recycle
521B and 522B Track Feller Bunchers

Battery or Battery Cable - Inspect/Replace
521B and 522B Track Feller Bunchers

Engine Starting with Auxiliary Start Receptacle
521B and 522B Track Feller Bunchers

Air Conditioning and Heating Control
521B and 522B Track Feller Bunchers

Battery Disconnect Switch
521B and 522B Track Feller Bunchers

Special Instruction

Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}

Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}

Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}

Repair Procedure for Damaged Harness Wiring {1408}
Repair Procedure for Damaged Harness Wiring {1408}

Installation Procedure for Product Link PL421 Retrofit{7606}
Installation Procedure for Product Link PL421 Retrofit{7606}

DRCP Connector Repair Service Instruction {1408, 7553}
DRCP Connector Repair Service Instruction {1408, 7553}

Track Feller Buncher IQAN Software version 4.5 and version 5.3{1408, 5057, 5070, 7490, 7610, 7620}
Track Feller Buncher IQAN Software version 4.5 and version 5.3{1408, 5057, 5070, 7490, 7610, 7620}

Procedure to Reroute Arctic Start Battery Cable to One Switch Function {1402, 1408}
Procedure to Reroute Arctic Start Battery Cable to One Switch Function {1402, 1408}

Procedure to Replace the 180-5316 Circulating Fan Gp with 5D-2856 Circulating Fan Gp for Certain Excavators and Track Feller Bunchers {1408, 7301, 7316, 7329}
Procedure to Replace the 180-5316 Circulating Fan Gp with 5D-2856 Circulating Fan Gp for Certain Excavators and Track Feller Bunchers {1408, 7301, 7316, 7329}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REWORKING WIRING HARNESS 291-4361 ON THE ENGINE WIRING GROUP 339-8301 AT THE ECM CONNECTOR FOR ETHER START OPERATION ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REWORKING WIRING HARNESS 291-4361 ON THE ENGINE WIRING GROUP 339-8301 AT THE ECM CONNECTOR FOR ETHER START OPERATION ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS

PRODUCT IMPROVEMENT PROGRAM FOR ELECTRICAL CABLE INSPECTION AND REWORK ON CERTAIN 521B AND 522B TRACK FELLER BUNCHERS
PRODUCT IMPROVEMENT PROGRAM FOR ELECTRICAL CABLE INSPECTION AND REWORK ON CERTAIN 521B AND 522B TRACK FELLER BUNCHERS

PRODUCT SUPPORT PROGRAM FOR INSTALLING AND REROUTING THE 374-4362 WIRING GP FOR THE 374-4371 RIGHT HAND CONSOLE HARNESS AS ON CERTAIN 521B, 522B, 541 SERIES 2 AND 552 SERIES 2 TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR INSTALLING AND REROUTING THE 374-4362 WIRING GP FOR THE 374-4371 RIGHT HAND CONSOLE HARNESS AS ON CERTAIN 521B, 522B, 541 SERIES 2 AND 552 SERIES 2 TRACK FELLER BUNCHERS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

Access Codes for the IQAN MD3 System {7490, 7600}
Access Codes for the IQAN MD3 System {7490, 7600}

Circulating Fan Group May Fail on Certain Excavators and Track Feller Bunchers {1408, 7301, 7316}
Circulating Fan Group May Fail on Certain Excavators and Track Feller Bunchers {1408, 7301, 7316}

Operator Joystick Control Functions May Become Intermittent on Certain 521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers {1408, 5063, 5705}
Operator Joystick Control Functions May Become Intermittent on Certain 521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers {1408, 5063, 5705}

Specifications

Wiring (Air Inlet Heater)
C9 Engines for Caterpillar Built Machines

Tool Operating Manual

Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}
Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Service Letter-China

Service Letter-Asia

Systems Operation

Pressure Switch (Refrigerant)
Air Conditioning and Heating R134a for All Caterpillar Machines

System Description
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

System Configuration
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Flashing New Software or Upgrading the IQAN Machine System
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

IQAN-MD3
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Operational Position-MD3
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Menu System-MD3
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Select Mode
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Reset Mode
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Show Application Information
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Show Module Information
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Show Logs
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Change Light
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Change Language
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Set Date and Time
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Description of Measure Screens
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Engine Speed and Hydraulic Pressure
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Solenoids and Hydraulic Pressures
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Infinite Fan Control
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Travel Pedals and Medium Travel Speed
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Fan Purging Information
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Tree Counter Display
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Reuse And Salvage Guidelines

Guideline for Visual Inspection and Repair of Foam Wiring Harness {0649, 1408, 1408, 1408, 1408}
Guideline for Visual Inspection and Repair of Foam Wiring Harness {0649, 1408, 1408, 1408, 1408}

Service Letter-APD

Testing and Adjusting

Electric Starting System - Test
C7 Engines for Caterpillar Built Machines

Troubleshooting

Electrical Connectors - Inspect
C7 and C9 Engines for Caterpillar Built Machines

CID 0100 FMI 04 Engine Oil Pressure short to ground
C7 and C9 Engines for Caterpillar Built Machines

CID 0262 FMI 04 5 Volt Sensor DC Power Supply short to ground
C7 and C9 Engines for Caterpillar Built Machines

CID 0110 FMI 03 Engine Coolant Temperature open/short to +batt
C7 and C9 Engines for Caterpillar Built Machines

CID 0110 FMI 04 Engine Coolant Temperature short to ground
C7 and C9 Engines for Caterpillar Built Machines

CID 0164 FMI 03 Injector Actuation Pressure voltage high
C7 and C9 Engines for Caterpillar Built Machines

CID 0091 FMI 02 Incorrect Throttle Switch inputs
C7 and C9 Engines for Caterpillar Built Machines

CID 1599 FMI 05 Engine Fan Pull Solenoid open circuit
C7 and C9 Engines for Caterpillar Built Machines

CID 1599 FMI 06 Engine Fan Pull Solenoid short to ground
C7 and C9 Engines for Caterpillar Built Machines

CID 1600 FMI 05 Engine Fan Push Solenoid open circuit
C7 and C9 Engines for Caterpillar Built Machines

CID 1600 FMI 06 Engine Fan Push Solenoid short to ground
C7 and C9 Engines for Caterpillar Built Machines

CID 1589 FMI 03 Turbo Inlet Air Pressure Sensor open/shrt to +bat
C7 and C9 Engines for Caterpillar Built Machines

CID 0100 FMI 03 Engine Oil Pressure open/short to +batt
C7 and C9 Engines for Caterpillar Built Machines

CID 0164 FMI 04 Injector Actuation Pressure voltage low
C7 and C9 Engines for Caterpillar Built Machines

CID 0100 FMI 10 Engine Oil Pressure Sensor abnormal rate of change
C7 and C9 Engines for Caterpillar Built Machines

CID 0172 FMI 03 Intake Manifold Air Temp open/short to +batt
C7 and C9 Engines for Caterpillar Built Machines

CID 0172 FMI 04 Intake Manifold Air Temp short to ground
C7 and C9 Engines for Caterpillar Built Machines

CID 0274 FMI 03 Atmospheric Pressure open/short to +batt
C7 and C9 Engines for Caterpillar Built Machines

CID 0274 FMI 04 Atmospheric Pressure short to ground
C7 and C9 Engines for Caterpillar Built Machines

Throttle Switch Circuit - Test
C7 and C9 Engines for Caterpillar Built Machines

Engine Fan Control Solenoid Circuit - Test
C7 and C9 Engines for Caterpillar Built Machines

Engine Wiring Information
C7 and C9 Engines for Caterpillar Built Machines

CID 0264 FMI 08 Decel Throttle Position signal abnormal
C7 and C9 Engines for Caterpillar Built Machines

CID 0262 FMI 03 5 Volt Sensor DC Power Supply short to +batt
C7 and C9 Engines for Caterpillar Built Machines

CID 1589 FMI 04 Turbo Inlet Air Pressure Sensor short to ground
C7 and C9 Engines for Caterpillar Built Machines

CID 1785 FMI 03 Intake Manifold Pressure Sensor voltage high
C7 and C9 Engines for Caterpillar Built Machines

CID 1785 FMI 04 Intake Manifold Pressure Sensor voltage low
C7 and C9 Engines for Caterpillar Built Machines

CID 0342 FMI 08 Secondary Engine Speed signal abnormal
C7 and C9 Engines for Caterpillar Built Machines

CID 0190 FMI 08 Engine Speed signal abnormal
C7 and C9 Engines for Caterpillar Built Machines

CID 0291 FMI 05 Engine Cooling Fan Solenoid open circuit
C7 and C9 Engines for Caterpillar Built Machines

CID 0291 FMI 06 Engine Cooling Fan Solenoid short to ground
C7 and C9 Engines for Caterpillar Built Machines

Sensors and Electrical Connectors
C7 and C9 Engines for Caterpillar Built Machines

Decelerator Position Sensor Circuit - Test
C7 and C9 Engines for Caterpillar Built Machines

Digital Sensor Supply Circuit - Test
C7 and C9 Engines for Caterpillar Built Machines

Engine Pressure Sensor Open or Short Circuit - Test
C7 and C9 Engines for Caterpillar Built Machines

Air Inlet Heater Circuit - Test
C7 and C9 Engines for Caterpillar Built Machines

CID 0544 FMI 08 Engine Cooling Fan Speed signal abnormal
C7 and C9 Engines for Caterpillar Built Machines

CID 0544 FMI 02 Engine Cooling Fan Speed Sensor loss of signal
C7 and C9 Engines for Caterpillar Built Machines

Engine Fan Speed Sensor Circuit - Test
C7 and C9 Engines for Caterpillar Built Machines

CID 1785 FMI 10 Intake Manifold Pressure Signal abnormal rate of change
C7 and C9 Engines for Caterpillar Built Machines

CID 0164 FMI 11 Injector Actuation Pressure system fault
C7 and C9 Engines for Caterpillar Built Machines

Connector Locations
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Diagnostic Capabilities
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

IQAN Error Messages and Warnings
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

General Information - Troubleshooting for the Leveling System, Delay in Activation
521B, 522B, 541 Series 2 and 552 Series 2 Track Feller Bunchers IQAN MD3 Monitoring & Control System

Disassembly and Assembly

Battery - Remove and Install
521B and 522B Track Feller Bunchers Engine Supplement

Service Magazine

Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2012/05/04

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2010/05/12

Striped Wire Is Replaced With Improved Ink Jet Identification for Legacy (Parts Service) Wire harnesses {1408}
2012/06/08

Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553, 7556}
2012/05/08

Information On Battery Cables and Wire Assemblies for Assembling at Dealer Site {4459}
2012/09/21

Parts are Now Available to Make Jump Start Receptacle on Cat® Product {1463}
2014/03/04

An Improved Harness Assembly for the Ether Start Functioning Wiring Group Is Now Used on Certain Track Feller Bunchers {1403, 1408}
2014/05/12

An Improved Communication Cable and New Machine Software Group Are Used on Certain Track Feller Bunchers {1408, 7000, 7490, 7600, 7610, 7620}
2014/12/05

480-7230 Machine Software Gp and 480-7231 Machine Software Gp are now Used on Certain Track Feller Bunchers {1408, 7490, 7610, 7620}
2015/09/28

A New Special Instruction to Reroute Arctic Start Battery Cable to One Switch Function Is Now Available {1402, 1408}
2015/09/17

Updated IQAN Software Now Used on Certain Track Feller Bunchers {1408, 7490, 7610, 7620}
2015/09/28

Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}
Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}

New Brake Charge Filter Bypass Indicator is Now Used on Certain CAT® Products {1408, 4295, 5093}
New Brake Charge Filter Bypass Indicator is Now Used on Certain CAT^® Products {1408, 4295, 5093}

A New Installation Procedure For the Battery Cable Assemblies Is Now Used On Certain 521B and 522B Track Feller Bunchers {1401, 1402, 1408}
A New Installation Procedure For the Battery Cable Assemblies Is Now Used On Certain 521B and 522B Track Feller Bunchers {1401, 1402, 1408}

New Cable and Wire Routings Are Now Used on Certain 521B and 522B Track Feller Bunchers {1403, 1408}
New Cable and Wire Routings Are Now Used on Certain 521B and 522B Track Feller Bunchers {1403, 1408}

New Control Harness Assembly is Now Used on Certain Cat® Machine Engines {1408}
New Control Harness Assembly is Now Used on Certain Cat^® Machine Engines {1408}

Caterpillar Parts SIS Catalog 521B :

362-3885 WIRING GP-MACHINE

477-7526 WIRING GP-LIGHTING

477-7525 WIRING GP-LIGHTING

269-3410 WIRING GP-HEATER

339-8301 WIRING GP-ENGINE

177-2521 COVER GP-PUMP

165-6209 DRIVE GP-FINAL

318-9121 DRIVE GP-FINAL

220-1362 FASTENER GP-FINAL DRIVE

291-1126 HEAD GP-MOTOR

367-2130 LINES GP-PROPEL

334-9971 MOTOR GP-SWING

334-9978 MOTOR GP-SWING

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;