365-1387 WIRING GP-CAB S/N F7B302-UP PART OF 362-3893 OPERATOR AR Type 1 521B TRACK FELLER BUNCHER

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 365-1387 WIRING GP-
1. 365-1387 WIRING GP-
2. 374-4362 WIRING GP-
3. 396-9171 WIRING GP-
4. 330-6018 WIRING GP-
5. 397-9363 WIRING GP-
6. 397-9363 WIRING GP-
7. 397-9363 WIRING GP-
8. 339-8301 WIRING GP-
9. 339-8301 WIRING GP-
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

365-1387 WIRING GP-CAB

374-4362 WIRING GP-CONSOLE

396-9171 WIRING GP-CONSOLE

#SEBP51220230

365-1387: WIRING GP-CAB

WIRING GP-CAB

365-1387 WIRING GP-CAB
S/N F7B302-UP
PART OF 362-3893 OPERATOR AR
Type 1

i05983105 SEBP5122

For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-6328 Y	[1]	ALARM GP (24-VOLT)
2.	3S-2093	[43]	STRAP-CABLE
3.	6T-6969	[2]	GUARD-SWITCH
4.	8X-5803	[1]	STRAP AS-GROUND
5.	100-3245 C	[1]	LAMP (24-VOLT, 0.17-AMPERE)
6.	117-2311	[2]	SOCKET-AUXILIARY POWER (12-VOLT)
7.	131-0359	[1]	PLATE-IDENTIFICATION (ENGINE STOP, RUN)
8.	162-7755 Y	[1]	LAMP GP-DOME (24-VOLT)
9.	164-0655	[1]	PANEL-SWITCH
10.	172-9200	[1]	SUPPRESSOR-ARC
11.	180-5316	[1]	FAN GP-CIRCULATING (24-VOLT)
	3S-2093	[1]	STRAP-CABLE
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
12.	180-9900	[1]	CAP AS
	5P-7958	[1]	SLEEVE-CABLE SPLICE
	8C-6354	[1]	CAP-RECEPTACLE (ET CONNECTOR)
	179-9392	[1]	LANYARD
13.	189-2512	[1]	PLATE
14.	201-1024 C	[1]	BRACKET
15.	243-5634	[2]	PLATE
16.	258-4178	[1]	FLANGE-MOUNTING
17.	262-7667	[1]	PLATE
18.	263-2106	[1]	PLATE AS
19.	267-2808	[4]	PLATE
20.	267-8010	[1]	SWITCH AS-ROCKER (WORK LIGHTS)
20A.	267-8010	[1]	SWITCH AS-ROCKER (CAB LIGHTS)
20B.	267-8010	[1]	SWITCH AS-ROCKER (FLOODLIGHTS)
			(EACH INCLUDES)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
21.	267-8011	[1]	SWITCH AS-ROCKER (REVERSIBLE FAN)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
22.	289-1210	[1]	COVER
23.	300-4231	[1]	CONTROL GP-AIR & TEMPERATURE
	9X-2045 M	[2]	SCREW-TRUSS HEAD (M6X1X20-MM)
	248-4220	[1]	PANEL AS (AIR CONDITIONER, HEATER CONT)
	284-3662	[1]	SWITCH AS-ROCKER (24-VOLT)(AIR CONDITIONER ON, OFF)
24.	327-6232	[1]	BRACKET
25.	372-7911	[1]	PANEL AS
26.	373-2376	[1]	SWITCH AS-ROCKER (LOG ACCUMULATOR)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
27.	373-2377	[1]	SWITCH AS-ROCKER (HOOD TILT ACTUATOR)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[5]	TERMINAL (MALE)
28.	373-2424	[1]	FILM-INFORMATION (SAW SWITCH)
29.	374-4362 Y	[1]	WIRING GP-CONSOLE
30.	374-4432	[1]	PLATE
31.	378-0667	[1]	SWITCH AS-ROCKER (HORN)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
32.	454-8995 CY	[1]	HARNESS AS-CAB (UPPER)
33.	454-8996 CY	[1]	HARNESS AS-CAB (MAIN)
34.	454-9544 CY	[1]	HARNESS AS-CONSOLE
35.	096-6166	[3]	WASHER-HARD (4.5X9X1-MM THK)
36.	110-2028	[4]	SCREW-PAN HEAD (10-14X0.75-IN)
37.	130-5300	[2]	CLIP
38.	155-4098 M	[4]	SCREW-BUTTON HEAD (M3X0.5X1-MM)
39.	158-6634 Y	[1]	SWITCH GP-TOGGLE (ENGINE STOP, RUN)
39A.	158-6634 Y	[1]	SWITCH GP-TOGGLE (SAW BLADE ON, OFF)
40.	204-2281	[2]	STRAP-CABLE
41.	200-1131 M	[2]	SCREW-TRUSS HEAD (M4X0.7X20-MM)
42.	204-8000	[2]	MOUNTING-CABLE TIE
43.	312-1427	[1]	SWITCH AS-ROCKER (TRAVEL SPEED)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
44.	312-1429	[1]	SWITCH AS-ROCKER (ALARM CANCEL)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[1]	TERMINAL (MALE)
45.	7I-2673	[1]	STRAP-CABLE
46.	7U-4891	[4]	SCREW (10-32X1-IN)
47.	7X-4743	[1]	GROMMET
48.	7Y-7389 M	[4]	SCREW (M5X0.8X16-MM)
49.	8T-0337 M	[2]	SCREW-MACHINE (M4X0.7X12-MM)
50.	8T-4121 C	[12]	WASHER-HARD (11X21X2.5-MM THK)
51.	8T-4136 M	[2]	BOLT (M10X1.5X25-MM)
52.	8T-4137 CM	[2]	BOLT (M10X1.5X20-MM)
53.	8T-4138 M	[2]	BOLT (M6X1X20-MM)
54.	8T-4189 M	[4]	BOLT (M8X1.25X20-MM)
55.	8T-4191 M	[4]	BOLT (M10X1.5X16-MM)
56.	8T-4195 M	[3]	BOLT (M10X1.5X30-MM)
57.	8T-4223 C	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
58.	8T-4224	[4]	WASHER-HARD (8.8X16X2-MM THK)
59.	8T-4244 CM	[2]	NUT (M12X1.75-THD)
60.	9W-0335	[1]	LIGHTER AS-CIGAR (24-VOLT)
61.	9X-2041 M	[1]	SCREW-TRUSS HEAD (M10X1.5X20-MM)
62.	9X-2042 M	[4]	SCREW-TRUSS HEAD (M6X1X12-MM)
63.	9X-2121	[2]	SCREW-PAN HEAD (8-18X0.5-IN)
64.	9X-7345	[2]	GROMMET
65.	9X-8256	[6]	WASHER (6.6X12X2-MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220231

365-1387: WIRING GP-CAB

WIRING GP-CAB

365-1387 WIRING GP-CAB
S/N F7B302-UP
PART OF 362-3893 OPERATOR AR
Type 2

i07218354 SEBP5122

For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-6328 Y	[1]	ALARM GP (24-VOLT)(TRAVEL)
2.	3S-2093	[43]	STRAP-CABLE
3.	6T-6969	[2]	GUARD-SWITCH
4.	8X-5803	[1]	STRAP AS-GROUND
5.	100-3245	[1]	LAMP (24-VOLT, 0.17-AMPERE)
6.	117-2311	[2]	SOCKET-AUXILIARY POWER (12-VOLT)
7.	131-0359	[1]	PLATE-IDENTIFICATION (ENGINE STOP, RUN)
8.	431-9515 CY	[1]	LAMP GP-DOME (12/24-VOLT)
9.	164-0655	[1]	PANEL-SWITCH
10.	172-9200	[1]	SUPPRESSOR-ARC
11.	180-5316	[1]	FAN GP-CIRCULATING (24-VOLT)
	3S-2093	[1]	STRAP-CABLE
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
12.	180-9900	[1]	CAP AS
	5P-7958	[1]	SLEEVE-CABLE SPLICE
	8C-6354	[1]	CAP-RECEPTACLE (ET CONNECTOR)
	179-9392	[1]	LANYARD
13.	189-2512	[1]	PLATE
14.	201-1024	[1]	BRACKET
15.	243-5634	[2]	PLATE
16.	258-4178	[1]	FLANGE-MOUNTING
17.	262-7667	[1]	PLATE
18.	524-5554 C	[1]	PLATE AS
19.	267-2808	[4]	PLATE
20.	267-8010	[1]	SWITCH AS-ROCKER (WORK LIGHTS)
20A.	267-8010	[1]	SWITCH AS-ROCKER (CAB LIGHTS)
20B.	267-8010	[1]	SWITCH AS-ROCKER (FLOODLIGHTS)
			(EACH SWITCH AS INCLUDES)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
21.	267-8011	[1]	SWITCH AS-ROCKER (REVERSIBLE FAN)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
22.	289-1210	[1]	COVER
23.	300-4231 Y	[1]	CONTROL GP-AIR & TEMPERATURE
24.	327-6232	[1]	BRACKET
25.	372-7911	[1]	PANEL AS
26.	373-2376	[1]	SWITCH AS-ROCKER (LOG ACCUMULATOR)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
27.	373-2377	[1]	SWITCH AS-ROCKER (HOOD TILT ACTUATOR)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[5]	TERMINAL (MALE)
28.	373-2424	[1]	FILM-INFORMATION (SAW SWITCH)
29.	374-4362 Y	[1]	WIRING GP-CONSOLE
30.	374-4432	[1]	PLATE
31.	378-0667	[1]	SWITCH AS-ROCKER (HORN)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
32.	454-8995 Y	[1]	HARNESS AS-CAB (UPPER)
33.	454-8996 Y	[1]	HARNESS AS-CAB (MAIN)
34.	454-9544 Y	[1]	HARNESS AS-CONSOLE
35.	096-6166	[3]	WASHER-HARD (4.5X9X1-MM THK)
36.	110-2028	[4]	SCREW-PAN HEAD (10-14X0.75-IN)
37.	130-5300	[2]	CLIP
38.	155-4098 M	[4]	SCREW-BUTTON HEAD (M3X0.5X1-MM)
39.	158-6634 Y	[1]	SWITCH GP-TOGGLE (ENGINE STOP, RUN)
39A.	158-6634 Y	[1]	SWITCH GP-TOGGLE (SAW BLADE ON, OFF)
40.	204-2281 C	[2]	STRAP-CABLE
41.	200-1131 M	[2]	SCREW-TRUSS HEAD (M4X0.7X20-MM)
42.	204-8000	[2]	MOUNTING-CABLE TIE
43.	312-1427	[1]	SWITCH AS-ROCKER (TRAVEL SPEED)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[4]	TERMINAL (MALE)
44.	312-1429	[1]	SWITCH AS-ROCKER (ALARM CANCEL)
	167-3542	[1]	RECEPTACLE-CONNECTOR (5-PIN)
	167-3543	[1]	TERMINAL (MALE)
45.	7I-2673	[1]	STRAP-CABLE
46.	7U-4891	[4]	SCREW (10-32X1-IN)
47.	7X-4743	[1]	GROMMET
48.	7Y-7389 M	[4]	SCREW (M5X0.8X16-MM)
49.	8T-0337 M	[2]	SCREW-MACHINE (M4X0.7X12-MM)
50.	8T-4121	[12]	WASHER-HARD (11X21X2.5-MM THK)
51.	8T-4136 M	[2]	BOLT (M10X1.5X25-MM)
52.	8T-4137 M	[2]	BOLT (M10X1.5X20-MM)
53.	8T-4138 M	[2]	BOLT (M6X1X20-MM)
54.	8T-4189 M	[4]	BOLT (M8X1.25X20-MM)
55.	8T-4191 M	[4]	BOLT (M10X1.5X16-MM)
56.	8T-4195 M	[3]	BOLT (M10X1.5X30-MM)
57.	8T-4223	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
58.	8T-4224	[4]	WASHER-HARD (8.8X16X2-MM THK)
59.	8T-4244 M	[2]	NUT (M12X1.75-THD)
60.	9W-0335	[1]	LIGHTER AS-CIGAR (24-VOLT)
61.	9X-2041 M	[1]	SCREW-TRUSS HEAD (M10X1.5X20-MM)
62.	9X-2042 M	[4]	SCREW-TRUSS HEAD (M6X1X12-MM)
63.	521-8353 CY	[1]	HARNESS AS-LIGHTING (DOME LIGHT)
64.	9X-7345	[2]	GROMMET
65.	9X-8256	[6]	WASHER (6.6X12X2-MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220232

374-4362: WIRING GP-CONSOLE

WIRING GP-CONSOLE

374-4362 WIRING GP-CONSOLE
S/N F7B1-UP
PART OF 365-1387 WIRING GP-CAB

i04363800 SEBP5122

For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	110-6109	[1]	KNOB-CONTROL (THROTTLE)
2.	119-5026	[4]	SCREW-PAN HEAD (10-16X0.63-IN)
3.	132-5789	[2]	CLIP (LADDER)
4.	228-7114	[1]	FILM-ENGINE (START, THROTTLE)
5.	255-2751 Y	[1]	SWITCH GP-START (ENGINE, KEY)
6.	291-2165	[1]	POTENTIOMETER AS (TEMPERATURE CONTROL)
	102-8803	[1]	KIT-RECEPTACLE (3-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8T-8729	[1]	PIN-CONNECTOR (16-GA TO 18-GA)
	236-8722	[1]	WASHER (10.5X22.2X1.6-MM THK)
7.	372-2537	[1]	PLATE
8.	374-4370 Y	[1]	HARNESS AS-CONSOLE (LH)
9.	374-4371	[1]	HARNESS AS-CONSOLE (RH)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
	190-7614	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	3S-2093	[1]	STRAP-CABLE
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(5-CM)
	2L-8075	[4]	TERMINAL-RING (14-GA TO 16-GA, NO. 8 SCREW)
	155-2260	[1]	KIT-CONNECTING PLUG (3-PIN)
			(INCLUDES PLUG AS, WEDGES & INTERFACE SEAL)
	9X-3401	[12]	PIN-CONNECTOR (16-GA TO 18-GA)
			-OR-
	126-1767	[12]	PIN-CONNECTOR (14-GA TO 16-GA)
	183-7754	[4]	TERMINAL (16-AMPERE)
	222-4162	[1]	RESISTOR AS
	224-9261	[6]	TERMINAL
	224-9263	[2]	TAB
10.	3S-2093	[5]	STRAP-CABLE
11.	4P-8134	[2]	CLIP (LADDER)
12.	5P-7458	[3]	CLIP (SLOT)
13.	5P-7459	[3]	CLIP (TAB)
14.	7K-1181	[3]	STRAP-CABLE
15.	8T-4121	[3]	WASHER-HARD (11X21X2.5-MM THK)
16.	8T-4133 M	[3]	NUT (M10X1.5-THD)
17.	8T-4185 M	[3]	BOLT (M10X1.5X50-MM)
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220233

396-9171: WIRING GP-CONSOLE

WIRING GP-CONSOLE

396-9171 WIRING GP-CONSOLE
S/N F7B1-UP
PART OF 373-6571 HYDRAULIC AR-HARVESTER
AN ATTACHMENT

i04958497 SEBP5122

For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	172-9200	[1]	SUPPRESSOR-ARC
2.	395-3150	[1]	HARNESS AS-WIRING (ARC SUPPRESSOR)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8T-8737	[4]	PLUG-SEAL
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
			(INCLUDES PLUG AS, WEDGE, & INTERFACE SEAL)
	9X-3401	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
			-OR-
	126-1767	[3]	PIN-CONNECTOR (14-GA TO 16-GA)
	194-5226	[1]	WIRE AS (16-GA)
			-OR-
	194-5227	[1]	WIRE AS (14-GA)
3.	3S-2093	[1]	STRAP-CABLE

#SEBP51220234

330-6018: WIRING GP-ELECTRONIC CONTROL

WIRING GP-ELECTRONIC CONTROL

330-6018 WIRING GP-ELECTRONIC CONTROL
S/N THX1-38526
PART OF 367-4852 ENGINE AR-COMPLETE
AN ATTACHMENT

i03614907 SEBP5122

3306018 WIRING GP-ELECTRONIC CONTROL Parts scheme

For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[18]	STRAP-CABLE
2.	215-3249	[1]	HARNESS AS-ENGINE (UNIT INJECTOR)
	3S-2093	[5]	STRAP-CABLE
	105-1797	[5]	MOUNT
	9X-3401	[12]	PIN-CONNECTOR (16-GA TO 18-GA)
			-OR-
	126-1767	[12]	PIN-CONNECTOR (14-GA TO 16-GA)
	172-6064	[1]	WEDGE-RECEPTACLE LOCK
	191-7823	[1]	RECEPTACLE AS
	307-8428	[1]	GASKET
3.	323-9140	[1]	HARNESS AS-ENGINE (SPEED SENSOR)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	8T-8737	[95]	PLUG-SEAL
	100-3320	[1]	PLUG AS-CONNECTOR (2-PIN)
	126-5011	[1]	SEAL-CONNECTOR
	305-5362	[4]	TERMINAL AS (18-GA)
	111-2416	[1]	PLUG AS-CONNECTOR (2-PIN)
	126-5011	[1]	SEAL-CONNECTOR
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(25-CM)
	125-7875 E		TUBE-HEAT SHRINK (7.44-MM DIA)(15-CM)
	155-2270	[3]	KIT-CONNECTING PLUG (2-PIN)
	155-2265	[1]	KIT-CONNECTING PLUG (8-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS & WEDGE)
	172-6062	[1]	PLUG AS-CONNECTOR (18-PIN)
	172-6065	[1]	WEDGE-PLUG LOCK
	180-9340	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	211-6807	[1]	COVER-CONNECTOR
	230-4011	[2]	PLUG AS-CONNECTOR (2-PIN)
			(EACH INCLUDES)
	264-7029	[1]	SEAL-CONNECTOR
	230-4013	[1]	PLUG AS-CONNECTOR (3-PIN)
	264-7030	[1]	SEAL-CONNECTOR
	237-0227	[3]	PLUG AS-CONNECTOR (3-PIN)
			(EACH INCLUDES)
	264-7030	[1]	SEAL-CONNECTOR
	264-5732	[1]	PLUG AS-CONNECTOR (120-PIN)
	288-7324	[1]	SEAL-CONNECTOR
4.	4P-7581	[6]	CLIP (LADDER)
5.	4P-8134	[2]	CLIP (LADDER)
6.	5P-7970 M	[3]	NUT (M8X1.25-THD)
7.	6V-5217 M	[1]	BOLT (M8X1.25X20-MM)
8.	6V-5839	[3]	WASHER (11X21X2.5-MM THK)
9.	6V-6317 M	[2]	BOLT (M10X1.5X20-MM)
10.	7I-2272 M	[2]	BOLT (M5X0.8X12-MM)
11.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
12.	8T-4137 M	[1]	BOLT (M10X1.5X20-MM)
13.	8T-4205	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
14.	8T-5451 M	[1]	BOLT (M6X1X12-MM)
15.	9M-1974	[3]	WASHER-HARD (8.8X16X2-MM THK)
16.	9X-2332	[1]	CLIP
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP51220235

397-9363: WIRING GP-ELECTRONIC CONTROL

WIRING GP-ELECTRONIC CONTROL

397-9363 WIRING GP-ELECTRONIC CONTROL
S/N TXD1-UP
PART OF 417-0656, 417-0657 ENGINE AR-COMPLETE
Type 1
FOR USE WITH HEP FUEL PUMP
ALSO AN ATTACHMENT

i04907365 SEBP5122

3979363 WIRING GP-ELECTRONIC CONTROL Parts scheme

For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[17]	STRAP-CABLE
2.	215-3249 Y	[1]	HARNESS AS-ENGINE (UNIT INJECTOR)
3.	323-9140 Y	[1]	HARNESS AS-ENGINE (SPEED SENSOR)
4.	4P-7581	[6]	CLIP (LADDER)
5.	4P-8134	[2]	CLIP (LADDER)
6.	5P-7970 M	[3]	NUT (M8X1.25-THD)
7.	6V-5217 M	[1]	BOLT (M8X1.25X20-MM)
8.	6V-5839	[3]	WASHER (11X21X2.5-MM THK)
9.	6V-6317 M	[3]	BOLT (M10X1.5X20-MM)
10.	7I-2272 M	[2]	BOLT (M5X0.8X12-MM)
11.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
12.	8T-4205	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
13.	8T-5451 M	[1]	BOLT (M6X1X12-MM)
14.	9M-1974	[4]	WASHER-HARD (8.8X16X2-MM THK)
15.	9X-2332	[1]	CLIP
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220236

397-9363: WIRING GP-ELECTRONIC CONTROL

WIRING GP-ELECTRONIC CONTROL

397-9363 WIRING GP-ELECTRONIC CONTROL
S/N TXD1-UP
PART OF 417-0656, 417-0657 ENGINE AR-COMPLETE
Type 2
FOR USE WITH HEP FUEL PUMP
ALSO AN ATTACHMENT

i05326043 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[17]	STRAP-CABLE
2.	419-0841 Y	[1]	HARNESS AS-ENGINE (UNIT INJECTOR)
3.	323-9140 Y	[1]	HARNESS AS-ENGINE (SPEED SENSOR)
4.	4P-7581	[6]	CLIP (LADDER)
5.	4P-8134	[2]	CLIP (LADDER)
6.	5P-7970 M	[3]	NUT (M8X1.25-THD)
7.	6V-5217 M	[1]	BOLT (M8X1.25X20-MM)
8.	6V-5839	[3]	WASHER (11X21X2.5-MM THK)
9.	6V-6317 M	[3]	BOLT (M10X1.5X20-MM)
10.	7I-2272 M	[2]	BOLT (M5X0.8X12-MM)
11.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
12.	8T-4205	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
13.	8T-5451 M	[1]	BOLT (M6X1X12-MM)
14.	9M-1974	[4]	WASHER-HARD (8.8X16X2-MM THK)
15.	6V-4369	[1]	CLIP
16.	440-0881 M	[5]	BOLT-SOCKET HEAD (M8X1.25-THD)
17.	439-4571	[5]	CLIP (LOOP)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220237

397-9363: WIRING GP-ELECTRONIC CONTROL

WIRING GP-ELECTRONIC CONTROL

397-9363 WIRING GP-ELECTRONIC CONTROL
S/N TXD1-UP; THX1-UP
PART OF 417-0656, 417-0657, 511-8734, 511-8735 ENGINE AR-COMPLETE
FOR USE WITH HEP FUEL PUMP
ALSO AN ATTACHMENT

i07365680 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093 C	[20]	STRAP-CABLE
2.	7K-1181 C	[1]	STRAP-CABLE
3.	528-6670 CY	[1]	HARNESS AS-CONTROL
4.	546-2154 Y	[1]	HARNESS AS-CONTROL
5.	352-3966 C	[1]	CLIP (LADDER)
6.	439-4571	[5]	CLIP (LOOP)
7.	440-0881 M	[5]	BOLT-SOCKET HEAD (M8X1.25-THD)
8.	4P-7581 C	[5]	CLIP (LADDER)
9.	4P-8134 C	[1]	CLIP (LADDER)
10.	5P-7970 CM	[2]	NUT (M8X1.25-THD)
11.	6V-4369	[1]	CLIP
12.	6V-5217 M	[1]	BOLT (M8X1.25X20-MM)
13.	6V-5839	[3]	WASHER (11X21X2.5-MM THK)
14.	6V-6317 M	[3]	BOLT (M10X1.5X20-MM)
15.	7I-2272 M	[2]	BOLT (M5X0.8X12-MM)
16.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
17.	8T-4205	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
18.	8T-5451 M	[1]	BOLT (M6X1X12-MM)
19.	9M-1974 C	[3]	WASHER-HARD (8.8X16X2-MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220238

339-8301: WIRING GP-ENGINE

WIRING GP-ENGINE

339-8301 WIRING GP-ENGINE
S/N F7B1-278
PART OF 362-3897 ELECTRICAL AR

i04479529 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[1]	STRAP-CABLE
2.	4N-1059	[1]	GASKET
3.	7K-1181	[12]	STRAP-CABLE
4.	8Y-9603	[1]	CABLE AS-STARTING MOTOR
	1S-7251	[1]	TERMINAL-CABLE (00-GA, 1/2-IN SCREW)
	1S-7252	[1]	TERMINAL-CABLE (00-GA, 3/8-IN SCREW)
	159-8050 E		CABLE (00-GA, BLACK)(28-CM)
5.	174-3016	[1]	PLUG AS-CONNECTOR (3-PIN)
6.	189-3158	[1]	SUPPRESSOR-ARC
7.	192-5017	[1]	BRACKET AS
8.	225-1453	[1]	BRACKET AS
	8T-3490 M	[3]	NUT-WELD (M10X1.5-THD)
9.	225-4155	[1]	CABLE AS
	3L-6513	[1]	TERMINAL-RING (1-GA TO 2-GA, 1/2-IN SCREW)
	8C-0596 E		CABLE (2-GA)(60-CM)
	030-1712	[1]	TERMINAL-RING (2-GA, 1/4-IN SCREW)
10.	226-0901	[1]	TUBE
11.	291-4361	[1]	HARNESS AS-ENGINE
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8803	[1]	KIT-RECEPTACLE (3-PIN)
	102-8806	[1]	KIT-RECEPTACLE (8-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	3S-2093	[2]	STRAP-CABLE
	7G-7917	[1]	PLUG-SEAL
	7G-7919	[1]	PLUG-SEAL
	7G-7920	[1]	PLUG-SEAL
	7K-1181	[2]	STRAP-CABLE
	8N-1518	[1]	PLUG AS-CONNECTOR (25-PIN)
	8N-1521	[1]	BELL AS-END
	9X-6857	[15]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8N-1541	[4]	SOCKET-CONNECTOR (12-GA TO 14-GA)
	8N-1543	[1]	SOCKET-CONNECTOR (10-GA)
	8N-1545	[1]	SOCKET-CONNECTOR (8-GA)
	8N-1549	[1]	SOCKET-CONNECTOR (4-GA)
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8730	[16]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[58]	PLUG-SEAL
	9W-0844	[8]	SOCKET-CONNECTOR (14-GA TO 16-GA)
	110-8769	[1]	WIRE AS (16-GA)
	119-3662 E		TUBE-HEAT SHRINK (10.85-MM DIA)(7-CM)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(15-CM)
	126-1767	[2]	PIN-CONNECTOR (14-GA TO 16-GA)
	126-1774	[1]	COVER-CONNECTOR
	5P-3454	[1]	TERMINAL-RING (4-GA, 5/16-IN SCREW)
	3T-4692	[1]	TERMINAL-RING (6-GA, 7/16-IN SCREW)
			-OR-
	3T-4693	[1]	TERMINAL-RING (8-GA, 7/16-IN SCREW)
	3T-4696	[1]	TERMINAL-RING (10-GA TO 12-GA, 7/16-IN SCREW)
	2L-8078	[1]	TERMINAL-RING (14-GA TO 16-GA, 5/16-IN SCREW)
	135-2543	[1]	BOOT (RED)
	155-2270	[3]	KIT-CONNECTING PLUG (2-PIN)
			(EACH INCLUDES PLUG AS, WEDGE, & INTERFACE SEAL)
	160-7689	[1]	PLUG AS-CONNECTOR (70-PIN)
	159-9322	[1]	SEAL-O-RING
	1P-0810 B	[1]	TAPE-ELECTRICAL
	9X-3401	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
			-OR-
	126-1767	[3]	PIN-CONNECTOR (14-GA TO 16-GA)
	2L-8049	[1]	TERMINAL-RING (6-GA, NO. 10 SCREW)
			-OR-
	2L-8057	[1]	TERMINAL-RING (8-GA, NO. 10 SCREW)
12.	338-3457 Y	[1]	STARTING MOTOR GP-ELECTRIC (24-VOLT)
13.	363-1778	[1]	CABLE AS
	1S-7251	[1]	TERMINAL-CABLE (00-GA, 1/2-IN SCREW)
	159-8049 E		CABLE (00-GA, RED)(54-CM)
	190-3848	[1]	TERMINAL-RING (00-GA, 1/2-IN SCREW)
	301-0091	[1]	COVER-TERMINAL (RED)
14.	363-1780	[1]	CABLE AS
	6T-5598	[1]	TERMINAL-RING (1-GA TO 2-GA, 5/16-IN SCREW)
	8C-3056 E		CABLE (2-GA, RED)(164-CM)
	8T-8827	[1]	BOOT (RED)
	030-1712	[1]	TERMINAL-RING (2-GA, 1/4-IN SCREW)
	135-2543	[1]	BOOT (RED)
15.	364-0513	[1]	CABLE AS
	1S-7251	[1]	TERMINAL-CABLE (00-GA, 1/2-IN SCREW)
	1S-7252	[1]	TERMINAL-CABLE (00-GA, 3/8-IN SCREW)
	159-8050 E		CABLE (00-GA, BLACK)(59-CM)
17.	091-9035	[2]	SPACER (11X25X20-MM THK)
18.	124-9633	[1]	CLIP (SLOT)
19.	130-5300	[2]	CLIP
20.	132-7551	[1]	SPACER (11X19X6-MM THK)
21.	149-9129	[1]	CLIP (LOOP)
23.	1S-0994	[3]	CLIP (LOOP)
24.	205-7299	[1]	CLIP (LOOP)
25.	212-0430	[5]	STUD
26.	2V-1771	[1]	GROMMET
28.	4D-7735	[1]	CLIP
29.	4D-7794	[1]	CLIP
30.	4P-7581	[1]	CLIP (LADDER)
31.	5C-7261 M	[1]	NUT (M8X1.25-THD)
32.	5K-3294	[1]	CLIP
33.	5P-4116	[2]	WASHER-HARD (8.8X20.5X2-MM THK)
34.	5P-9085	[1]	CLIP (LOOP)
35.	353-7957	[6]	GROMMET
36.	6D-4246	[6]	CLIP (LOOP)
37.	7X-0507	[1]	WASHER-HARD (12X22.5X5-MM THK)
38.	7X-2537 M	[1]	BOLT (M8X1.25X35-MM)
39.	7X-7729	[2]	WASHER (11X25X3-MM THK)
40.	8M-2770	[4]	CLIP (LOOP)
41.	8M-2772	[3]	CLIP (LOOP)
42.	8M-2773	[1]	CLIP (LOOP)
43.	8S-0948	[1]	CLIP
44.	8S-2332	[3]	BOLT-12 POINT HEAD (5/8-11X1.75-IN)
45.	8S-8820	[2]	CLIP
46.	8T-4121	[24]	WASHER-HARD (11X21X2.5-MM THK)
47.	8T-4133 M	[6]	NUT (M10X1.5-THD)
48.	8T-4136 M	[6]	BOLT (M10X1.5X25-MM)
49.	8T-4137 M	[9]	BOLT (M10X1.5X20-MM)
50.	8T-4186 M	[2]	BOLT (M10X1.5X40-MM)
51.	8T-4191 M	[1]	BOLT (M10X1.5X16-MM)
52.	8T-4195 M	[2]	BOLT (M10X1.5X30-MM)
53.	8T-4224	[1]	WASHER-HARD (8.8X16X2-MM THK)
54.	8T-7547 M	[1]	BOLT (M8X1.25X30-MM)
55.	9M-8406	[2]	CLIP (LOOP)
57.	186-0359	[2]	CLIP
58.	269-7678	[1]	CLIP
59.	147-8856	[1]	BRACKET AS
	B		USE AS REQUIRED
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP51220239

339-8301: WIRING GP-ENGINE

WIRING GP-ENGINE

339-8301 WIRING GP-ENGINE
S/N F7B279-285
PART OF 362-3897 ELECTRICAL AR

i05918219 SEBP5122

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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[1]	STRAP-CABLE
2.	4N-1059	[1]	GASKET
3.	7K-1181	[12]	STRAP-CABLE
4.	8Y-9603	[1]	CABLE AS-STARTING MOTOR
	1S-7251	[1]	TERMINAL-CABLE (00-GA, 1/2-IN SCREW)
	1S-7252	[1]	TERMINAL-CABLE (00-GA, 3/8-IN SCREW)
	159-8050 E		CABLE (00-GA, BLACK)(28-CM)
5.	174-3016	[1]	PLUG AS-CONNECTOR (3-PIN)
6.	189-3158	[1]	SUPPRESSOR-ARC
7.	192-5017	[1]	BRACKET AS
8.	225-1453	[1]	BRACKET AS
	8T-3490 M	[3]	NUT-WELD (M10X1.5-THD)
9.	225-4155	[1]	CABLE AS
	3L-6513	[1]	TERMINAL-RING (1-GA TO 2-GA, 1/2-IN SCREW)
	8C-0596 E		CABLE (2-GA)(60-CM)
	030-1712	[1]	TERMINAL-RING (2-GA, 1/4-IN SCREW)
10.	226-0901	[1]	TUBE
11.	CY	[1]	HARNESS AS-ENGINE
12.	338-3457 Y	[1]	STARTING MOTOR GP-ELECTRIC (24-VOLT)
13.	363-1778	[1]	CABLE AS
	1S-7251	[1]	TERMINAL-CABLE (00-GA, 1/2-IN SCREW)
	159-8049 E		CABLE (00-GA, RED)(54-CM)
	190-3848	[1]	TERMINAL-RING (00-GA, 1/2-IN SCREW)
	301-0091	[1]	COVER-TERMINAL (RED)
14.	363-1780	[1]	CABLE AS
	6T-5598	[1]	TERMINAL-RING (1-GA TO 2-GA, 5/16-IN SCREW)
	8C-3056 E		CABLE (2-GA, RED)(164-CM)
	8T-8827	[1]	BOOT (RED)
	030-1712	[1]	TERMINAL-RING (2-GA, 1/4-IN SCREW)
	135-2543	[1]	BOOT (RED)
15.	364-0513	[1]	CABLE AS
	1S-7251	[1]	TERMINAL-CABLE (00-GA, 1/2-IN SCREW)
	1S-7252	[1]	TERMINAL-CABLE (00-GA, 3/8-IN SCREW)
	159-8050 E		CABLE (00-GA, BLACK)(59-CM)
17.	091-9035	[2]	SPACER (11X25X20-MM THK)
18.	124-9633	[1]	CLIP (SLOT)
19.	130-5300	[2]	CLIP
20.	132-7551	[1]	SPACER (11X19X6-MM THK)
21.	149-9129	[1]	CLIP (LOOP)
23.	1S-0994	[3]	CLIP (LOOP)
24.	205-7299	[1]	CLIP (LOOP)
25.	212-0430	[5]	STUD
26.	2V-1771	[1]	GROMMET
28.	4D-7735	[1]	CLIP
29.	4D-7794	[1]	CLIP
30.	4P-7581	[1]	CLIP (LADDER)
31.	5C-7261 M	[1]	NUT (M8X1.25-THD)
32.	5K-3294	[1]	CLIP
33.	5P-4116	[2]	WASHER-HARD (8.8X20.5X2-MM THK)
34.	5P-9085	[1]	CLIP (LOOP)
35.	353-7957	[6]	GROMMET
36.	6D-4246	[6]	CLIP (LOOP)
37.	7X-0507	[1]	WASHER-HARD (12X22.5X5-MM THK)
38.	7X-2537 M	[1]	BOLT (M8X1.25X35-MM)
39.	7X-7729	[2]	WASHER (11X25X3-MM THK)
40.	8M-2770	[4]	CLIP (LOOP)
41.	8M-2772	[3]	CLIP (LOOP)
42.	8M-2773	[1]	CLIP (LOOP)
43.	8S-0948	[1]	CLIP
44.	8S-2332	[3]	BOLT-12 POINT HEAD (5/8-11X1.75-IN)
45.	8S-8820	[2]	CLIP
46.	8T-4121	[24]	WASHER-HARD (11X21X2.5-MM THK)
47.	8T-4133 M	[6]	NUT (M10X1.5-THD)
48.	8T-4136 M	[6]	BOLT (M10X1.5X25-MM)
49.	8T-4137 M	[9]	BOLT (M10X1.5X20-MM)
50.	8T-4186 M	[2]	BOLT (M10X1.5X40-MM)
51.	8T-4191 M	[1]	BOLT (M10X1.5X16-MM)
52.	8T-4195 M	[2]	BOLT (M10X1.5X30-MM)
53.	8T-4224	[1]	WASHER-HARD (8.8X16X2-MM THK)
54.	8T-7547 M	[1]	BOLT (M8X1.25X30-MM)
55.	9M-8406	[2]	CLIP (LOOP)
57.	186-0359	[2]	CLIP
58.	269-7678	[1]	CLIP
59.	147-8856	[1]	BRACKET AS
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	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 :

365-1387 WIRING GP-CAB

382-0646 WIRING GP-BOOM

380-0813 WIRING GP-BOOM

339-8297 WARNING GP-BACKUP

239-1134 VALVE GP-ETHER STARTING

260-5864 SWITCH GP-TOGGLE

158-6634 SWITCH GP-TOGGLE

365-1387 WIRING GP-CAB

374-4362 WIRING GP-CONSOLE

396-9171 WIRING GP-CONSOLE

330-6018 WIRING GP-ELECTRONIC CONTROL

397-9363 WIRING GP-ELECTRONIC CONTROL

339-8301 WIRING GP-ENGINE

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;