202-5797 WIRING GP-AIR CONDITIONER S/N BLN10300-UP PART OF 202-5777 AIR CONDITIONER AR AN ATTACHMENT 420D

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 202-5797 WIRING GP-
1. 202-6107 WIRING GP-
2. 238-1811 WIRING GP-

ELECTRONICS GP-POWER TRAIN

3. 185-8809 WIRING GP-
4. 237-8037 WIRING GP-
5. 237-8037 WIRING GP-

ELECTRONICS GP-IMPLEMENT

6. 186-0300 WIRING GP-

WIRING GP

7. 185-8801 WIRING GP-
8. 185-8802 WIRING GP-
9. 186-0306 WIRING GP-
0. INFORMATION

BACKHOE LOADER 420D BACKHOE LOADER BLN
420D Backhoe Loader BLN10300-UP (MACHINE) POWERED BY 3054C Engine SEBP3995 420D BLN (1999)

ELECTRICAL AND STARTING SYSTEM

WIRING GP

237-6459 DRIVE AR-BACKHOE LOADER

240-6856 INSTALLATION GP-CONTROLS

202-5797 WIRING GP-AIR CONDITIONER

202-6107 WIRING GP-AIR CONDITIONER

238-1811 WIRING GP-AIR CONDITIONER

185-8809 WIRING GP-AUTOSHIFT

#SEBP39950160

202-5797: WIRING GP-AIR CONDITIONER

WIRING GP-AIR CONDITIONER

202-5797 WIRING GP-AIR CONDITIONER
S/N BLN10300-UP
PART OF 202-5777 AIR CONDITIONER AR
AN ATTACHMENT

i01798735 SEBP3995

2025797 WIRING GP-AIR CONDITIONER Parts scheme

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-9362	[1]	RELAY AS (12-VOLT)
2.	3S-2093	[4]	STRAP-CABLE
3.	8Y-7833	[1]	WIRE AS (18-GA)
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
4.	9U-2277	[1]	CLIP AS
5.	106-8704	[1]	SUPPRESSOR AS-ARC
6.	113-8490	[1]	FUSE (10-AMPERE)
7.	114-5333	[1]	SWITCH AS-PRESSURE (HIGH LOW)(AIR CONDITIONER COMPRESSOR)
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
8.	131-3201	[2]	BOOT
9.	169-0605	[1]	SWITCH AS-ROCKER (BLOWER FAN SPEED)
10.	169-0606	[1]	SWITCH AS-ROCKER (AIR CONDITIONER, HEATER)
			(EACH SWITCH AS INCLUDES)
	111-7899	[1]	GASKET
11.	170-2237	[1]	RELAY AS (12-VOLT)
12.	174-6417	[1]	HARNESS AS-HEATER & AIR COND (AIR COMPRESSOR)
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	9X-3402	[6]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
13.	229-8377	[1]	CIRCUIT BREAKER AS (35-AMPERE)
	6V-8378	[2]	NUT (10-32-THD)
	8F-1434	[2]	LOCKWASHER
	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
14.	220-4141	[1]	HARNESS AS-HEATER & AIR COND (BLOWER FAN SPEED)
	142-9117	[2]	CONNECTOR (10-PIN)
	111-6795	[1]	HOUSING-RELAY
	111-6816	[1]	LOCK
	7T-0093	[2]	PIN-CONNECTOR (12-GA TO 14-GA)
	9X-3401	[5]	PIN-CONNECTOR (16-GA TO 18-GA)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
	177-9648	[1]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	192-2111	[1]	PLUG-CONNECTOR
	8T-8737	[1]	PLUG-SEAL
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
	177-9645	[1]	KIT-RECEPTACLE (2-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	7T-0094	[2]	SOCKET-CONNECTOR (12-GA TO 14-GA)
	9X-3402	[2]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	192-2112	[3]	SOCKET-TERMINAL
	8L-8413	[25]	STRAP-CABLE (WHITE)
	128-2016	[8]	TERMINAL
	2L-8065	[2]	TERMINAL-RING (10-GA TO 12-GA, NO. 8 SCREW)
	112-9611	[7]	TERMINAL-BLADE (18-GA TO 20-GA)
	3E-9179	[4]	TERMINAL-RECEPTACLE (14-GA TO 18-GA)
	111-6792	[1]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
	119-3662 E		TUBE-HEAT SHRINK (10.85-MM DIA)(26-CM)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(5-CM)
15.	138-8454 M	[1]	SCREW-TRUSS HEAD (M4X0.7X10-MM)
16.	213-7315 M	[2]	SCREW-TRUSS HEAD (M4X0.7X25-MM)
17.	4B-4863	[1]	WASHER (4.7X11X1.2-MM THK)
18.	4P-8134	[1]	CLIP (LADDER)
19.	8T-4121	[1]	WASHER-HARD (11X21X2.5-MM THK)
20.	8T-4133 M	[1]	NUT (M10X1.5-THD)
21.	8T-4195 M	[1]	BOLT (M10X1.5X30-MM)
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950161

202-6107: WIRING GP-AIR CONDITIONER

WIRING GP-AIR CONDITIONER

202-6107 WIRING GP-AIR CONDITIONER
S/N BLN10300-UP
SHUT-OFF
PART OF 202-5775 COOLING AR-HIGH AMBIENT TEMP
AN ATTACHMENT

i01556783 SEBP3995

2026107 WIRING GP-AIR CONDITIONER Parts scheme

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-9362	[1]	RELAY AS (12-VOLT)(HEATER, A/C POWER)
2.	3S-2093 B	[6]	STRAP-CABLE
3.	202-6108	[1]	HARNESS AS-HEATER & AIR COND (POWER)
	111-6795	[1]	HOUSING-RELAY
	111-6816	[1]	LOCK
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8L-8413	[11]	STRAP-CABLE (WHITE)
	2L-8075	[2]	TERMINAL-RING (14-GA TO 16-GA, NO. 8 SCREW)
	111-6792	[4]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
4.	131-1424	[1]	SEAL
5.	188-2470	[1]	TACHOMETER AS (12-VOLT)
	4B-2043	[6]	NUT (8-32-THD)
	9B-7233	[6]	LOCKWASHER
	122-7137	[1]	LAMP (12-VOLT)
	B		USE AS REQUIRED

#SEBP39950162

238-1811: WIRING GP-AIR CONDITIONER

WIRING GP-AIR CONDITIONER

238-1811 WIRING GP-AIR CONDITIONER
S/N BLN10300-UP
PART OF 239-5566, 239-5568, 248-1474 CAB AR-ENCLOSED ROPS
AN ATTACHMENT

i01988997 SEBP3995

2381811 WIRING GP-AIR CONDITIONER Parts scheme

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-9362	[2]	RELAY AS (12-VOLT)(HIGH SPEED)
2.	8Y-7833	[1]	WIRE AS (18-GA)
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
3.	106-8704	[1]	SUPPRESSOR AS-ARC
4.	113-8490	[1]	FUSE (10-AMPERE)
5.	131-3201	[2]	BOOT
6.	169-0605	[1]	SWITCH AS-ROCKER (BLOWER FAN SPEED)
7.	169-0606	[1]	SWITCH AS-ROCKER (AIR CONDITIONER, HEATER)
			(EACH INCLUDES SWITCH AS)
	111-7899	[1]	GASKET
8.	170-2237	[1]	RELAY AS (12-VOLT)
9.	202-6108	[1]	HARNESS AS-HEATER & AIR COND (POWER)
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	2L-8075	[2]	TERMINAL-RING (14-GA TO 16-GA, NO. 8 SCREW)
	8L-8413	[11]	STRAP-CABLE (WHITE)
	111-6792	[4]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
	111-6816	[1]	LOCK
	111-6795	[1]	HOUSING-RELAY
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
10.	229-8377	[1]	CIRCUIT BREAKER AS (35-AMPERE)
	6V-8378	[2]	NUT (10-32-THD)
	8F-1434	[2]	LOCKWASHER
	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
11.	229-8413	[1]	HARNESS AS-HEATER & AIR COND (BLOWER, TEMPERATURE CONTROL)
	111-6795	[1]	HOUSING-RELAY
	111-6816	[1]	LOCK
	9X-3401	[5]	PIN-CONNECTOR (16-GA TO 18-GA)
	7T-0093	[2]	PIN-CONNECTOR (12-GA TO 14-GA)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
	177-9648	[1]	KIT-CONNECTING PLUG (2-PIN)
			(EACH INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	192-2111	[1]	PLUG-CONNECTOR
	8T-8737	[1]	PLUG-SEAL
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	177-9645	[1]	KIT-RECEPTACLE (2-PIN)
			(EACH INCLUDES RECPATACLE AS & WEDGE)
	180-9340	[2]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7T-0094	[2]	SOCKET-CONNECTOR (12-GA TO 14-GA)
	192-2112	[2]	SOCKET-TERMINAL
	8L-8413	[25]	STRAP-CABLE (WHITE)
	128-2016	[2]	TERMINAL
	122-4401	[6]	TERMINAL
	2L-8066	[2]	TERMINAL-RING (10-GA TO 12-GA, NO. 10 SCREW)
	104-1995	[6]	TERMINAL-BLADE (14-GA TO 18-GA)
	091-2436	[7]	TERMINAL-BLADE (18-GA TO 22-GA)
	3E-9179	[1]	TERMINAL-RECEPTACLE (14-GA TO 18-GA)
	111-6792	[1]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(5-CM)
	119-3662 E		TUBE-HEAT SHRINK (10.85-MM DIA)(26-CM)
12.	236-6923	[1]	SWITCH AS-PRESSURE (HIGH, LOW)(HIGH - LOW)
13.	238-7492	[1]	HARNESS AS-HEATER & AIR COND (COMPRESSOR)
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	155-2270	[2]	KIT-CONNECTING PLUG (2-PIN)
			(EACH INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	100-6674	[2]	SEAL-CONNECTOR
	180-9340	[4]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	124-5640	[2]	TERMINAL-SOCKET
	8L-8413	[1]	STRAP-CABLE (WHITE)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
14.	9X-7378	[1]	SEAL-O-RING
15.	138-8454 M	[1]	SCREW-TRUSS HEAD (M4X0.7X10-MM)
16.	213-7315 M	[2]	SCREW-TRUSS HEAD (M4X0.7X25-MM)
17.	3S-2093	[5]	STRAP-CABLE
18.	4B-4863	[1]	WASHER (4.7X11X1.2-MM THK)
19.	4P-8134	[2]	CLIP (LADDER)
20.	8T-4121	[2]	WASHER-HARD (11X21X2.5-MM THK)
21.	8T-4133 M	[1]	NUT (M10X1.5-THD)
22.	8T-4195 M	[1]	BOLT (M10X1.5X30-MM)
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950163

185-8809: WIRING GP-AUTOSHIFT

WIRING GP-AUTOSHIFT

185-8809 WIRING GP-AUTOSHIFT
S/N BLN10300-UP
PART OF 192-4659, 192-4660, 192-4664 POWER TRAIN AR
AN ATTACHMENT

i01395731 SEBP3995

1858809 WIRING GP-AUTOSHIFT Parts scheme

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-8679	[1]	DIODE AS-LIGHT
2.	3S-2093	[17]	STRAP-CABLE
3.	6K-0806	[5]	STRAP-CABLE
4.	7K-1181	[2]	STRAP-CABLE
5.	8Y-7833	[1]	WIRE AS (18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	5P-5677 D		WIRE (18-GA, BLACK)(0.1-M)
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
6.	106-8704	[1]	SUPPRESSOR AS-ARC
7.	155-8522	[3]	MOUNT
8.	169-0604	[1]	SWITCH AS-ROCKER (AUTOSHIFT)(FIFTH GEAR LOCKOUT)
	111-7899	[1]	GASKET
9.	174-6411	[1]	HARNESS AS-CONSOLE (AUTOSHIFT SWITCH)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
			(INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	9X-3402	[4]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8L-8413	[3]	STRAP-CABLE (WHITE)
	5P-4571	[1]	TERMINAL-BLADE (14-GA TO 16-GA)
	5P-5694	[1]	TERMINAL-BLADE (14-GA TO 16-GA)
	112-9611	[6]	TERMINAL-BLADE (18-GA TO 20-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
10.	174-6415	[1]	HARNESS AS-PLATFORM (AUTOSHIFT)
	111-6795	[1]	HOUSING-RELAY
	111-6816	[1]	LOCK
	9X-3401	[39]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[4]	PLUG-SEAL
	180-9340	[17]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	8L-8413	[27]	STRAP-CABLE (WHITE)
	141-8061 B		TAPE
	111-6792	[4]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(40-CM)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8804	[2]	KIT-RECEPTACLE (4-PIN)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2256	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2271	[2]	KIT-CONNECTING PLUG (4-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
11.	174-6649	[1]	CONTROL GP-TRANSMISSION
12.	187-1043	[1]	CONTROL GP-AUTOSHIFT
13.	209-1925	[1]	HARNESS AS-CONTROL (AUTOSHIFT CONTROL)(BATTERY BOX)
	7T-8894	[1]	GROMMET
	9X-3401	[4]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-9834	[1]	PLUG AS-CONNECTOR (40-PIN)
	3E-8557 M	[1]	BOLT (M5X0.8X39.37-MM)
	3E-4367	[1]	RING-RETAINING
	9X-3132	[2]	SEAL-CONNECTOR (40-PIN)
	8T-8737	[18]	PLUG-SEAL
	180-9340	[52]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	8L-8413	[2]	STRAP-CABLE (WHITE)
	165-7097	[2]	TERMINAL AS
			(EACH INCLUDES)
	006-2884	[1]	TERMINAL-BLADE (16-GA TO 20-GA)
	6V-2689 E		TUBE-HEAT SHRINK (6.35-MM DIA)(0.1-M)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
	125-7875 E		TUBE-HEAT SHRINK (7.44-MM DIA)(5-CM)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[2]	KIT-CONNECTING PLUG (12-PIN)
	155-2270	[3]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
14.	209-1947	[1]	HARNESS AS-TRANSMISSION (AUTOSHIFT)
	9X-3401	[11]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[5]	PLUG-SEAL
	9X-3402	[12]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8L-8413	[2]	STRAP-CABLE (WHITE)
	119-3662 E		TUBE-HEAT SHRINK (10.85-MM DIA)(7-CM)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2260	[2]	KIT-CONNECTING PLUG (3-PIN)
	155-2270	[4]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
15.	095-0756 M	[4]	SCREW-MACHINE (M5X0.8X16-MM)
16.	138-8454 M	[1]	SCREW-TRUSS HEAD (M4X0.7X10-MM)
17.	3E-9362	[1]	RELAY AS (12-VOLT)
18.	4B-4863	[1]	WASHER (4.7X11X1.2-MM THK)
19.	4P-7429	[1]	CLIP (LADDER)
20.	5C-9553 M	[4]	BOLT (M6X1X16-MM)
21.	8T-4179 M	[1]	BOLT (M12X1.75X20-MM)
22.	8T-4223	[1]	WASHER-HARD (13.5X25.5X3-MM THK)
23.	9X-8256	[4]	WASHER (6.6X12X2-MM THK)
	B		USE AS REQUIRED
	D		ORDER BY THE METER
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950164

237-8037: WIRING GP-AUTOSHIFT

WIRING GP-AUTOSHIFT

237-8037 WIRING GP-AUTOSHIFT
S/N BLN10300-12905
PART OF 214-6957, 214-6978 POWER TRAIN AR
AN ATTACHMENT

i02009591 SEBP3995

2378037 WIRING GP-AUTOSHIFT Parts scheme

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-8679	[1]	DIODE AS-LIGHT
2.	3S-2093	[17]	STRAP-CABLE
3.	6K-0806	[5]	STRAP-CABLE
4.	8T-4223	[1]	WASHER-HARD (13.5X25.5X3-MM THK)
5.	8Y-7833	[1]	WIRE AS (18-GA)
6.	106-8704	[1]	SUPPRESSOR AS-ARC
7.	155-8522	[3]	MOUNT
8.	169-0604	[1]	SWITCH AS-ROCKER (AUTOSHIFT)
	111-7899	[1]	GASKET
9.	174-6411	[1]	HARNESS AS-CONSOLE (AUTOSHIFT SWITCH)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
			(INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	9X-3402	[4]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8L-8413	[3]	STRAP-CABLE (WHITE)
	5P-4571	[1]	TERMINAL-BLADE (14-GA TO 16-GA)
	5P-5694	[1]	TERMINAL-BLADE (14-GA TO 16-GA)
	112-9611	[6]	TERMINAL-BLADE (18-GA TO 20-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
10.	174-6415	[1]	HARNESS AS-PLATFORM (AUTOSHIFT)
	111-6795	[1]	HOUSING-RELAY
	111-6816	[1]	LOCK
	9X-3401	[39]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[4]	PLUG-SEAL
	180-9340	[17]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	8L-8413	[27]	STRAP-CABLE (WHITE)
	141-8061 B		TAPE
	111-6792	[4]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(40-CM)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8804	[2]	KIT-RECEPTACLE (4-PIN)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2256	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2271	[2]	KIT-CONNECTING PLUG (4-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
11.	174-6649	[1]	CONTROL GP-TRANSMISSION
12.	209-1925	[1]	HARNESS AS-CONTROL (AUTOSHIFT CONTROL)
	7T-8894	[1]	GROMMET
	9X-3401	[4]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-9834	[1]	PLUG AS-CONNECTOR (40-PIN)
	3E-8557 M	[1]	BOLT (M5X0.8X39.37-MM)
	3E-4367	[1]	RING-RETAINING
	9X-3132	[2]	SEAL-CONNECTOR (40-PIN)
	8T-8737	[18]	PLUG-SEAL
	180-9340	[52]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	8L-8413	[2]	STRAP-CABLE (WHITE)
	165-7097	[2]	TERMINAL AS
			(EACH INCLUDES)
	006-2884	[1]	TERMINAL-BLADE (16-GA TO 20-GA)
	6V-2689 E		TUBE-HEAT SHRINK (6.35-MM DIA)(0.1-M)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
	125-7875 E		TUBE-HEAT SHRINK (7.44-MM DIA)(5-CM)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[2]	KIT-CONNECTING PLUG (12-PIN)
	155-2270	[3]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
13.	209-1947	[1]	HARNESS AS-TRANSMISSION (AUTOSHIFT)
	9X-3401	[11]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[5]	PLUG-SEAL
	9X-3402	[12]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8L-8413	[2]	STRAP-CABLE (WHITE)
	119-3662 E		TUBE-HEAT SHRINK (10.85-MM DIA)(7-CM)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2260	[2]	KIT-CONNECTING PLUG (3-PIN)
	155-2270	[4]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
14.	237-3655	[1]	CONTROL GP-POWER TRAIN
	7T-7370	[2]	SEAL-SECURITY
	8L-8413	[1]	STRAP-CABLE (WHITE)
	9F-2247	[1]	PLUG-PIPE (1/8-27-THD)
	9X-6257	[8]	SCREW-MACHINE (6-32X0.625-IN)
15.	138-8454 M	[1]	SCREW-TRUSS HEAD (M4X0.7X10-MM)
17.	3E-9362	[1]	RELAY AS (12-VOLT)
18.	4B-4863	[1]	WASHER (4.7X11X1.2-MM THK)
19.	4P-7429	[1]	CLIP (LADDER)
20.	5C-9553 M	[4]	BOLT (M6X1X16-MM)
21.	7K-1181	[3]	STRAP-CABLE
22.	8T-4179 M	[1]	BOLT (M12X1.75X20-MM)
23.	9X-8256	[4]	WASHER (6.6X12X2-MM THK)
	B		USE AS REQUIRED
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950165

237-8037: WIRING GP-AUTOSHIFT

WIRING GP-AUTOSHIFT

237-8037 WIRING GP-AUTOSHIFT
S/N BLN12906-UP
PART OF 214-6957, 214-6978 POWER TRAIN AR
AN ATTACHMENT

i02385132 SEBP3995

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-8679	[1]	DIODE AS-LIGHT
2.	3S-2093	[17]	STRAP-CABLE
3.	6K-0806	[5]	STRAP-CABLE
4.	8T-4223	[1]	WASHER-HARD (13.5X25.5X3-MM THK)
5.	8Y-7833	[1]	WIRE AS (18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	5P-5677 D		WIRE (18-GA, BLACK)(0.1-M)
	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
6.	106-8704	[1]	SUPPRESSOR AS-ARC
7.	155-8522	[3]	MOUNT
8.	169-0604	[1]	SWITCH AS-ROCKER (AUTOSHIFT)
9.	174-6411	[1]	HARNESS AS-CONSOLE (AUTOSHIFT SWITCH)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
			(INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	9X-3402	[4]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8L-8413	[3]	STRAP-CABLE (WHITE)
	5P-4571	[1]	TERMINAL-BLADE (14-GA TO 16-GA)
	5P-5694	[1]	TERMINAL-BLADE (14-GA TO 16-GA)
	112-9611	[6]	TERMINAL-BLADE (18-GA TO 20-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
10.	174-6415	[1]	HARNESS AS-PLATFORM (AUTOSHIFT)
	111-6795	[1]	HOUSING-RELAY
	111-6816	[1]	LOCK
	9X-3401	[39]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[4]	PLUG-SEAL
	180-9340	[17]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	8L-8413	[27]	STRAP-CABLE (WHITE)
	141-8061 B		TAPE
	111-6792	[4]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(40-CM)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8804	[2]	KIT-RECEPTACLE (4-PIN)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2256	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2271	[2]	KIT-CONNECTING PLUG (4-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
11.	261-2208 C	[1]	CONTROL GP-TRANSMISSION (FORWARD, NEUTRAL, REVERSE)
12.	209-1925	[1]	HARNESS AS-CONTROL (AUTOSHIFT CONTROL)
	7T-8894	[1]	GROMMET
	9X-3401	[4]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-9834	[1]	PLUG AS-CONNECTOR (40-PIN)
	3E-8557 M	[1]	BOLT (M5X0.8X39.37-MM)
	3E-4367	[1]	RING-RETAINING
	9X-3132	[2]	SEAL-CONNECTOR (40-PIN)
	8T-8737	[18]	PLUG-SEAL
	180-9340	[52]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	8L-8413	[2]	STRAP-CABLE (WHITE)
	165-7097	[2]	TERMINAL AS
			(EACH INCLUDES)
	006-2884	[1]	TERMINAL-BLADE (16-GA TO 20-GA)
	6V-2689 E		TUBE-HEAT SHRINK (6.35-MM DIA)(0.1-M)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
	125-7875 E		TUBE-HEAT SHRINK (7.44-MM DIA)(5-CM)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[2]	KIT-CONNECTING PLUG (12-PIN)
	155-2270	[3]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
13.	209-1947	[1]	HARNESS AS-TRANSMISSION (AUTOSHIFT)
	9X-3401	[11]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[5]	PLUG-SEAL
	9X-3402	[12]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8L-8413	[2]	STRAP-CABLE (WHITE)
	119-3662 E		TUBE-HEAT SHRINK (10.85-MM DIA)(7-CM)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2260	[2]	KIT-CONNECTING PLUG (3-PIN)
	155-2270	[4]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
14.	237-3655	[1]	CONTROL GP-POWER TRAIN
	7T-7370	[2]	SEAL-SECURITY
	8L-8413	[1]	STRAP-CABLE (WHITE)
	9F-2247	[1]	PLUG-PIPE (1/8-27-THD)
	9X-6257	[8]	SCREW-MACHINE (6-32X0.625-IN)
15.	138-8454 M	[1]	SCREW-TRUSS HEAD (M4X0.7X10-MM)
16.	192-4522 M	[4]	SCREW-FLAT HEAD (M5X0.8X20-MM)
17.	3E-9362	[1]	RELAY AS (12-VOLT)
18.	4B-4863	[1]	WASHER (4.7X11X1.2-MM THK)
19.	4P-7429	[1]	CLIP (LADDER)
20.	5C-9553 M	[4]	BOLT (M6X1X16-MM)
21.	7K-1181 C	[4]	STRAP-CABLE
22.	8T-4179 M	[1]	BOLT (M12X1.75X20-MM)
23.	9X-8256	[4]	WASHER (6.6X12X2-MM THK)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	D		ORDER BY THE METER
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950166

186-0300: WIRING GP-AUXILIARY

WIRING GP-AUXILIARY

186-0300 WIRING GP-AUXILIARY -MULTIPURPOSE BUCKET
S/N BLN10300-UP
LOADER
PART OF 185-0073 HYDRAULIC AR
AN ATTACHMENT

i01395134 SEBP3995

1860300 WIRING GP-AUXILIARY Parts scheme

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-9362	[1]	RELAY AS (12-VOLT)
2.	3S-2093	[23]	STRAP-CABLE
3.	6I-1418	[3]	SPACER (8.2X12.7X28.7-MM THK)
4.	8T-9655	[6]	MOUNT-ISOLATION
5.	9N-0869	[3]	WASHER-HARD (8.8X25.5X2-MM THK)
6.	113-8491	[1]	FUSE (15-AMPERE)
7.	179-7998	[1]	HARNESS AS-OPERATOR CONTROLS
	111-6795	[1]	HOUSING-RELAY
	111-6816	[1]	LOCK
	9X-3401	[21]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[19]	PLUG-SEAL
	9X-3402	[40]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	8L-8413		STRAP-CABLE (WHITE)
	141-8061 B		TAPE
	2L-8079	[1]	TERMINAL-RING (14-GA TO 16-GA, 3/8-IN SCREW)
	111-6792	[4]	TERMINAL-RECEPTACLE (18-GA TO 20-GA)
	125-7875 E		TUBE-HEAT SHRINK (7.44-MM DIA)(5-CM)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(25-CM)
	102-8802	[3]	KIT-RECEPTACLE (2-PIN)
	102-8803	[2]	KIT-RECEPTACLE (3-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
	155-2274	[1]	KIT-CONNECTING PLUG (6-PIN)
	155-2265	[1]	KIT-CONNECTING PLUG (8-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	150-6765	[1]	PLUG AS-CONNECTOR (26-PIN)
	159-9322	[1]	SEAL-O-RING
8.	179-8000	[1]	HARNESS AS-PLATFORM
	9X-3401	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	180-9340	[24]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(10-CM)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2265	[1]	KIT-CONNECTING PLUG (8-PIN)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
9.	193-2300	[1]	ELECTRONICS GP-IMPLEMENT
	168-8238	[1]	CONTROL GP-UNPROGRAMMED
	7X-6315	[1]	STRAP AS-GROUND
	120-4897	[1]	SCREW-PAN HEAD (8-32X0.375-IN)
	134-4126	[1]	WASHER (4.52X8.28X0.76-MM THK)
10.	138-8454 M	[1]	SCREW-TRUSS HEAD (M4X0.7X10-MM)
11.	4B-4863	[1]	WASHER (4.7X11X1.2-MM THK)
12.	5C-7261 M	[3]	NUT (M8X1.25-THD)
13.	7X-0818 M	[3]	BOLT (M8X1.25X45-MM)
14.	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
15.	8T-8737	[8]	PLUG-SEAL
	B		USE AS REQUIRED
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950167

185-8801: WIRING GP-CAB

WIRING GP-CAB

185-8801 WIRING GP-CAB
S/N BLN10300-UP
STANDARD
PART OF 184-9737, 184-9738, 239-5565, 239-5566, 239-5567, 239-5568, 248-1474 CAB AR-ENCLOSED ROPS
AN ATTACHMENT

i01912600 SEBP3995

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[6]	STRAP-CABLE
2.	8E-1118	[1]	ANTENNA AS
3.	8R-6111	[1]	CABLE AS-COAXIAL
4.	113-8492	[2]	FUSE (20-AMPERE)
5.	141-2759	[1]	FUSE (5-AMPERE)
6.	146-9439	[1]	RELAY AS (12-VOLT)
7.	169-0596	[1]	SWITCH AS-ROCKER (REAR WASHER, WIPER)
	111-7899	[1]	GASKET
8.	179-1215	[1]	HARNESS AS-CAB (UPPER CAB CONTROLS)
	9X-3401	[5]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[5]	PLUG-SEAL
	180-9340	[19]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	8L-8413	[57]	STRAP-CABLE (WHITE)
	097-7234	[2]	TERMINAL-BLADE (18-GA TO 22-GA)
	2L-8079	[2]	TERMINAL-RING (14-GA TO 16-GA, 3/8-IN SCREW)
	5P-4571	[2]	TERMINAL-BLADE (14-GA TO 16-GA)
	124-8616	[2]	TERMINAL-RECEPTACLE (18-GA TO 22-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(5-CM)
	6V-2689 D		TUBE-HEAT SHRINK (6.35-MM DIA)(0.1-M)
	102-8806	[1]	KIT-RECEPTACLE (8-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2260	[1]	KIT-CONNECTING PLUG (3-PIN)
			(INCLUDES PLUG AS, WEDGES & INTERFACE SEAL)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
	155-2274	[1]	KIT-CONNECTING PLUG (6-PIN)
	155-2265	[1]	KIT-CONNECTING PLUG (8-PIN)
			(EACH PLUG KIT INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
9.	246-2671	[1]	SWITCH AS-MULTIFUNCTION (HD LIGHT, TURN SIG, WDO WIPER)
11.	4P-8134	[1]	CLIP (LADDER)
12.	8T-0352 M	[2]	BOLT (M5X0.8X45-MM)
13.	8T-4121	[2]	WASHER-HARD (11X21X2.5-MM THK)
14.	8T-4133 M	[2]	NUT (M10X1.5-THD)
	D		ORDER BY THE METER
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950168

185-8802: WIRING GP-CAB

WIRING GP-CAB

185-8802 WIRING GP-CAB -CANOPY
S/N BLN10300-UP
PART OF 184-9736, 239-5563, 239-5564, 259-8910 CANOPY AR-OPEN ROPS
AN ATTACHMENT

i01376513 SEBP3995

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	138-4894	[1]	SWITCH AS-ROCKER (TURN SIGNAL)
	111-7899	[1]	GASKET
2.	164-1601	[1]	BRACKET
3.	183-4492	[1]	HARNESS AS-OPERATOR CONTROLS (TURN SIGNAL)
	9X-3401	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
	111-7898	[1]	CONNECTOR (8-PIN)
	8T-8737	[9]	PLUG-SEAL
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	8L-8413	[2]	STRAP-CABLE (WHITE)
	091-2436	[4]	TERMINAL-BLADE (18-GA TO 22-GA)
	125-7874 E		TUBE-HEAT SHRINK (5.72-MM DIA)(5-CM)
4.	125-3298 M	[3]	BOLT-SOCKET HEAD (M5X0.8X12-MM)
	E		ORDER BY THE CENTIMETER
	M		METRIC PART

#SEBP39950169

186-0306: WIRING GP-CAB

WIRING GP-CAB

186-0306 WIRING GP-CAB
S/N BLN10300-UP
PART OF 214-6952 CHASSIS AR

i01366835 SEBP3995

For full view, you need register

Parts for your 420D BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	113-8491	[1]	FUSE (15-AMPERE)
2.	146-9439 B	[1]	RELAY AS (12-VOLT)
3.	169-0595	[1]	SWITCH AS-ROCKER (BEACON)
	111-7899	[1]	GASKET
4.	178-7539	[1]	RECEPTACLE AS (POWER SUPPLY)
5.	179-5435	[1]	FLANGE
6.	3E-6922	[2]	SCREW-RECESS FLAT HEAD (6-19X0.5-IN)
	B		USE AS REQUIRED

Information:

ELECTRICAL AND STARTING SYSTEM

WIRING GP

Engine News

Correction to The Pocket Guide, SEBD0402 Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/07/01

270-5051 Repair Kit (Electrical Connectors) Available for Repairs to Wiring Harnesses with Ampseal 16 and A4E 2 Connectors {0709, 1408}
2006/03/20

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

Operation and Maintenance Manual

Fuses - Replace
420D and 430D Backhoe Loaders

Quick Coupler Control (Loader) - If Equipped
420D and 430D Backhoe Loaders

Hydraulic Lock Control - If Equipped
420D and 430D Backhoe Loaders

Autoshift Control - If Equipped
420D and 430D Backhoe Loaders

Quick Coupler Control (Loader) - If Equipped
420D and 430D Backhoe Loaders

Hydraulic Lock Control - If Equipped
420D and 430D Backhoe Loaders

Battery or Battery Cable - Inspect/Replace
416D, 420D, 424D, 428D, 430D, 432D and 442D Backhoe Loaders

Operator Station
420D and 430D Backhoe Loaders

Fuses - Replace
416D, 420D, 424D, 428D, 430D, 432D and 442D Backhoe Loaders

Special Instruction

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

Installing a Ride Control Kit{5004, 5057, 5077}
Installing a Ride Control Kit{5004, 5057, 5077}

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

Ampseal 16 Connector Peripheral Seal Servicing{7553}
Ampseal 16 Connector Peripheral Seal Servicing{7553}

Service Of Machined Terminals And Service of Stamped and Formed Terminals{7553}
Service Of Machined Terminals And Service of Stamped and Formed Terminals{7553}

Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}
Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}

Selecting the Correct Part Numbers for Sensors and Connectors{1439, 7553}
Selecting the Correct Part Numbers for Sensors and Connectors{1439, 7553}

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}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE 1894920 RELAY TIMER USED IN THE HYDRAULIC FILTER BYPASS CIRCUIT ON CERTAIN 420D AND 430D BACKHOE LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 1894920 RELAY TIMER USED IN THE HYDRAULIC FILTER BYPASS CIRCUIT ON CERTAIN 420D AND 430D BACKHOE LOADERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HVAC BREAKER WITH A 35 AMP BREAKER ON CERTAIN 416D, 420D, 424D, 428D, 430D, 432D, 438D AND 442D BACKHOE LOADERS EQUIPPED WITH A CAB
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HVAC BREAKER WITH A 35 AMP BREAKER ON CERTAIN 416D, 420D, 424D, 428D, 430D, 432D, 438D AND 442D BACKHOE LOADERS EQUIPPED WITH A CAB

PRODUCT IMPROVEMENT PROGRAM FOR UPDATING THE AUXILIARY HYDRAULICS SOFTWARE ON CERTAIN 420D IT AND 430D IT BACKHOE LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR UPDATING THE AUXILIARY HYDRAULICS SOFTWARE ON CERTAIN 420D IT AND 430D IT BACKHOE LOADERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SERVICE METER ON CERTAIN 416D, 420D, 420D IT, 424D, 428D, 430D, 430D IT, 432D, 438D, 442D AND 446D BACKHOE LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SERVICE METER ON CERTAIN 416D, 420D, 420D IT, 424D, 428D, 430D, 430D IT, 432D, 438D, 442D AND 446D BACKHOE LOADERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PL641 CELLULAR RADIO ON CERTAIN CATERPILLAR PRODUCTS WITH A 12 VOLT ELECTRICAL SYSTEM
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PL641 CELLULAR RADIO ON CERTAIN CATERPILLAR PRODUCTS WITH A 12 VOLT ELECTRICAL SYSTEM

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

The Circuit Breaker For The Heating And Air Conditioning Fan
The Circuit Breaker For The Heating And Air Conditioning Fan

Steering Column Control Group (Lights, Signal, Washer, Wiper) May Fail
Steering Column Control Group (Lights, Signal, Washer, Wiper) May Fail

Auto-Up Stabilizer
Auto-Up Stabilizer

MULTI-PURPOSE BUCKET OR WORK TOOL OPERATES IN ONE DIRECTION ONLY
MULTI-PURPOSE BUCKET OR WORK TOOL OPERATES IN ONE DIRECTION ONLY

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

Cat Data Link
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

Switches
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Sensors
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Switches
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

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

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

Speed Sensor - Adjust
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Electrical Connector - Inspect
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

System Schematic
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

System Schematic
Machine Security System

System Schematic
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

Electric Starting System - Test
3054 Engine

System Schematic
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

Electrical Connector - Inspect
Machine Security System

Electrical Connector - Inspect
Product Link - PL522/523

Wiring Harness (Open Circuit) - Test
Product Link - PL522/523

Wiring Harness (Short Circuit) - Test
Product Link - PL522/523

Electrical Connector - Inspect
Product Link 121S/300

Wiring Harness (Open Circuit) - Test
Product Link 121S/300

Wiring Harness (Short Circuit) - Test
Product Link 121S/300

System Schematic
MSS3s Machine Security System

Troubleshooting

Electrical Component and Connector Locations
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0621 - FMI 02
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0683 - FMI 03
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0683 - FMI 05
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0683 - FMI 06
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Limit Switch (Parking Brake)
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Toggle Switch (Automatic/Manual)
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Toggle Switch (Neutral Lock)
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0191 - FMI 08
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0346 - FMI 03
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0346 - FMI 05
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0346 - FMI 06
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0367 - FMI 02
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Electrical Component and Connector Locations
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

Switch (Continuous Flow)
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

MID 106 - CID 1187 - FMI 04
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

MID 106 - CID 1529 - FMI 02
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

Switch (Quick Coupler Pin)
420D, 430D, 432D and 442D Backhoe Loaders Auxiliary Hydraulic Electronic Control System

MID 081 - CID 0368 - FMI 05
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

MID 081 - CID 0368 - FMI 06
420D, 428D, 430D, 432D, 438D, 442D and 446B Backhoe Loaders Power Train Electronic Control System

Electrical Component and Connector Locations
Machine Security System

MID 122 - CID 0269 - FMI 03
Product Link 121S/300

MID 122 - CID 0269 - FMI 04
Product Link 121S/300

Cat Data Link - Test
MSS3s Machine Security System

Wiring Harness (Open Circuit) - Test
MSS3s Machine Security System

Wiring Harness (Short Circuit) - Test
MSS3s Machine Security System

Connector Locations
MSS3s Machine Security System

Connector Contact Description
MSS3s Machine Security System

Electrical Connector - Inspect
MSS3s Machine Security System

Service Magazine

Correction to The Pocket Guide, SEBD0402, Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/10/23

Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2000/10/09

A Special Instruction, REHS0987 , "Installing a Ride Control Kit" is Available {5004, 5057, 5077}
2001/03/19

New Software Improves the Movement of the Quick Coupler Pins {7620}
2001/06/04

Changes to Operation and Maintenance Manual , "Quick Coupler Control and Auxiliary Circuit Control" {1435, 5700, 6129, 7451}
2002/10/07

Harness Repair Kits are now Available for the Fuse Blocks of Backhoe Loaders {1408}
2001/10/08

A New Engine Coolant Temperature Gauge Provides a More Accurate Temperature Reading {1408, 7453}
2003/05/12

Installing the Hydraulic Broom Arrangement {6129, 6335}
2003/03/03

A New Hazard Switch in the Console Wiring Improves Service Life {1408, 1435}
2003/10/20

Improved Retention of the Harness for the Quick Coupler Improves Reliability {1408, 6129}
2006/03/27

Service of the Machined Terminals and the Stamped and Formed Terminals {7553}
2006/11/13

An Improved Pressure Switch for the Ride Control is Available for Backhoe Loaders {1408, 5004}
2007/07/02

A New Key Start Switch Is Available For Series D Backhoe Loaders {1408, 1416}
2008/02/04

Updated Instruction For The Bypass Harness {0785, 1408}
2008/03/17

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2012/03/05

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<SUP>®</SUP> Product {1463}
2014/03/04

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}

Obsolete Timer Relay is No Longer Available For Certain Backhoe Loaders {1408}
Obsolete Timer Relay is No Longer Available For Certain Backhoe Loaders {1408}

Caterpillar Parts SIS Catalog 420D :

235-8749 SWITCH GP-TEMPERATURE

237-4896 SWITCH GP-PRESSURE

237-0024 STARTING MOTOR GP-ELECTRIC

143-0539 STARTING MOTOR GP-ELECTRIC

318-1181 SENSOR GP-SPEED

189-5746 SENSOR GP-SPEED

141-8292 LIGHTING GP-WARNING BEACON

104-9502 LIGHTING GP-WARNING BEACON

202-6107 WIRING GP-AIR CONDITIONER

238-1811 WIRING GP-AIR CONDITIONER

185-8809 WIRING GP-AUTOSHIFT

237-8037 WIRING GP-AUTOSHIFT

186-0300 WIRING GP-AUXILIARY

185-8801 WIRING GP-CAB

185-8802 WIRING GP-CAB

Truck sale:

Caterpillar 420D
- backhoe loader
CARTER MACHINERY COMPANY, INC.

37,500

Caterpillar 420D, backhoe loader, Construction
- backhoe loader
QUINN COMPANY

37,883

Caterpillar 420D, backhoe loader, Construction
- backhoe loader
MILTON CAT

39,174

Caterpillar 420D, backhoe loader, Construction
- backhoe loader
MILTON CAT

Caterpillar 420D, backhoe loader, Construction
- backhoe loader
WESTERN STATES EQUIPMENT