388-8265 KIT-WORK TOOL WIRING -ELECTRICAL AN ATTACHMENT 257D SKID STEER LOADER

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 388-8265 KIT-WORK T
1. 388-8273 KIT-WORK T

LIGHTING GP

2. 268-4071 LAMP GP-FL
3. 388-3782 LAMP GP-FL
4. 195-0189 LAMP GP-HE
5. 195-0190 LAMP GP-HE
6. 444-5039 LAMP GP-RO
7. 258-0930 LAMP GP-ST
8. 309-1325 LAMP GP-WA

9. 394-5387 LIGHTING G
0. INFORMATION

SKID STEER LOADER 257D SKID STEER LOADER D5T
257D Multi Terrain Loader D5T00001-UP (MACHINE) POWERED BY C3.3B Engine SEBP5970 257D D5T (2018)

ELECTRICAL AND STARTING SYSTEM

WIRING GP

500-3772 INSTALLATION GP-COMMUNICATION

515-3153 INSTALLATION GP-COMMUNICATION

388-8265 KIT-WORK TOOL WIRING

388-8273 KIT-WORK TOOL WIRING

422-3183 SENSOR & MTG GP-POSITION

7N-0718 SWITCH GP-DISCONNECT

#SEBP59700200

388-8265: KIT-WORK TOOL WIRING

KIT-WORK TOOL WIRING

388-8265 KIT-WORK TOOL WIRING -ELECTRICAL
AN ATTACHMENT

i05327135 SEBP5970

3888265 KIT-WORK TOOL WIRING Parts scheme

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7K-1181	[5]	STRAP-CABLE
2.	146-9439	[5]	RELAY AS (12-VOLT)(WORK TOOL)
3.	159-9495	[1]	NUT (1-1/2-18-THD)
4.	178-3620	[5]	STRAP-DUAL CLAMP
5.	263-5418	[1]	SWITCH AS-ROCKER
	111-7899	[1]	GASKET
6.	356-6115 Y	[1]	HARNESS AS-WORK TOOL
7.	396-7208	[1]	BRACKET
8.	159-9496	[1]	LOCKWASHER
9.	266-3316 M	[2]	BOLT-FLANGE HEAD (M10X1.5X25-MM)
10.	7P-1695	[1]	WASHER (10.5X19X3-MM THK)
11.	8T-4121	[1]	WASHER-HARD (11X21X2.5-MM THK)
12.	8T-4133 M	[1]	NUT (M10X1.5-THD)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP59700201

388-8273: KIT-WORK TOOL WIRING

KIT-WORK TOOL WIRING

388-8273 KIT-WORK TOOL WIRING -JOYSTICK, LH
ELECTRICAL
AN ATTACHMENT

i05327159 SEBP5970

3888273 KIT-WORK TOOL WIRING Parts scheme

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[4]	STRAP-CABLE
2.	7K-1181	[5]	STRAP-CABLE
3.	146-9439	[5]	RELAY AS (12-VOLT)(WORK TOOL)
4.	159-9495	[1]	NUT (1-1/2-18-THD)
5.	263-5418	[1]	SWITCH AS-ROCKER
	111-7899	[1]	GASKET
6.	356-6115 Y	[1]	HARNESS AS-WORK TOOL
7.	396-7208	[1]	BRACKET
8.	460-5345 Y	[1]	CONTROL GP-JOYSTICK (LH)
9.	159-9496	[1]	LOCKWASHER
10.	178-3620	[5]	STRAP-DUAL CLAMP
11.	266-3316 M	[2]	BOLT-FLANGE HEAD (M10X1.5X25-MM)
12.	7P-1695 B	[1]	WASHER (10.5X19X3-MM THK)
13.	8T-4121 B	[1]	WASHER-HARD (11X21X2.5-MM THK)
14.	8T-4133 M	[1]	NUT (M10X1.5-THD)
15.	9X-2546 M	[4]	BOLT (M6X1X20-MM)
	B		USE AS REQUIRED
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP59700202

268-4071: LAMP GP-FLOOD

LAMP GP-FLOOD

268-4071 LAMP GP-FLOOD
12-VOLT
PART OF 495-1672 LIGHTING GP-FLOOD
AN ATTACHMENT

i05041394 SEBP5970

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9W-0607	[1]	LAMP (12-VOLT, 55-WATT)(FLOODLIGHT)
2.	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
3.	8T-8729	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
4.	383-6901	[1]	LENS AS (FLOODLIGHT)

#SEBP59700203

388-3782: LAMP GP-FLOOD

LAMP GP-FLOOD

388-3782 LAMP GP-FLOOD
12-VOLT, 55-WATT
PART OF 394-5387, 495-1672 LIGHTING GP-FLOOD
ALSO AN ATTACHMENT

i05162951 SEBP5970

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	175-4291	[1]	BRACKET AS
2.	9X-4244 M	[2]	SCREW-SPECIAL (M4X1.79X25-MM)
3.	9W-0607	[1]	LAMP (12-VOLT, 55-WATT)(FLOODLIGHT)
4.	8T-4224	[1]	WASHER-HARD (8.8X16X2-MM THK)
5.	8T-7547 M	[1]	BOLT (M8X1.25X30-MM)
6.	5C-7261 M	[1]	NUT (M8X1.25-THD)
	M		METRIC PART

#SEBP59700204

195-0189: LAMP GP-HEAD & SIGNAL

LAMP GP-HEAD & SIGNAL

195-0189 LAMP GP-HEAD & SIGNAL -FRONT, RH
12-VOLT
PART OF 422-3323 KIT-ROADING CONVERSION, 356-6074 LIGHTING GP-ROADING
AN ATTACHMENT

i02616380 SEBP5970

1950189 LAMP GP-HEAD & SIGNAL Parts scheme

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-8729	[5]	PIN-CONNECTOR (16-GA TO 18-GA)
2.	228-6054	[1]	BEZEL
3.	444-6523	[1]	LENS AS (HEADLIGHT)
4.	228-6052	[1]	LENS AS (TURN SIGNAL)
5.	228-6056	[6]	SCREW (4-32X1.26-IN)
6.	9W-3324	[1]	LAMP-HEAD (12-VOLT, 60/55-WATT)(CLEAR)
7.	226-4560	[1]	LAMP (12-VOLT, 21-WATT)(AMBER)
8.	226-4561	[1]	LAMP (12-VOLT, 5-WATT)(CLEAR)
9.	8T-0389 M	[1]	LOCKNUT (M10X1.5-THD)
10.	473-8155	[1]	SPACER (SPHERICAL)
11.	8T-8737	[1]	PLUG-SEAL
12.	473-8156	[2]	WASHER (SPHERICAL)
13.	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	M		METRIC PART

#SEBP59700205

195-0190: LAMP GP-HEAD & SIGNAL

LAMP GP-HEAD & SIGNAL

195-0190 LAMP GP-HEAD & SIGNAL -FRONT, LH
12-VOLT
PART OF 422-3323 KIT-ROADING CONVERSION, 356-6074 LIGHTING GP-ROADING
AN ATTACHMENT

i02616381 SEBP5970

1950190 LAMP GP-HEAD & SIGNAL Parts scheme

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-8737	[1]	PLUG-SEAL
2.	228-6054	[1]	BEZEL
3.	444-6523	[1]	LENS AS (HEADLIGHT)
4.	228-6052	[1]	LENS AS (TURN SIGNAL)
5.	228-6056	[6]	SCREW (4-32X1.26-IN)
6.	9W-3324	[1]	LAMP-HEAD (12-VOLT, 60/55-WATT)(CLEAR)
7.	226-4560	[1]	LAMP (12-VOLT, 21-WATT)(AMBER)
8.	226-4561	[1]	LAMP (12-VOLT, 5-WATT)(CLEAR)
9.	8T-0389 M	[1]	LOCKNUT (M10X1.5-THD)
10.	473-8155	[1]	SPACER (SPHERICAL)
11.	8T-8729	[5]	PIN-CONNECTOR (16-GA TO 18-GA)
12.	473-8156	[2]	WASHER (SPHERICAL)
13.	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	M		METRIC PART

#SEBP59700206

444-5039: LAMP GP-ROADING

LAMP GP-ROADING

444-5039 LAMP GP-ROADING -REAR
PART OF 435-8761, 520-6913 CONVERSION AR-MACHINE
AN ATTACHMENT

i05378972 SEBP5970

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9R-1499	[2]	REFLECTOR (RED)
2.	146-9439	[1]	RELAY AS (12-VOLT)(STOP LIGHT)
3.	172-6490	[1]	LAMP GP-SIGNAL (REAR, RH)
3A.	172-6490	[1]	LAMP GP-SIGNAL (REAR, LH)
			(EACH LAMP GP INCLUDES)
	8T-8729	[4]	PIN-CONNECTOR (16-GA TO 18-GA)
	9W-3326	[1]	LAMP (12-VOLT, 21-WATT)(TURN SIGNAL)
	084-4348	[1]	LAMP (12-VOLT, 5-WATT)(STOP, TAIL)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	363-8597	[1]	LENS
4.	242-9000	[1]	FLASHER AS (12-VOLT)(STOP LIGHT)
5.	258-4134	[1]	FUSE AS (ROADING)
	9W-0852	[2]	PIN-CONNECTOR (14-GA TO 16-GA)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	9W-0844	[2]	SOCKET-CONNECTOR (14-GA TO 16-GA)
6.	263-5422	[1]	SWITCH AS-ROCKER (TURN SIGNAL)
7.	265-9543	[1]	SWITCH AS-ROCKER (HAZARD WARNING LIGHTS)
			(EACH SWITCH AS INCLUDES)
	111-7899	[1]	GASKET
8.	356-6077 Y	[1]	HARNESS AS-LIGHTING
9.	388-8223	[1]	BRACKET (LH)
10.	388-8224	[1]	BRACKET (RH)
11.	3S-2093	[1]	STRAP-CABLE
12.	7K-1181	[7]	STRAP-CABLE
	Y		SEPARATE ILLUSTRATION

#SEBP59700207

258-0930: LAMP GP-STOP & TAIL

LAMP GP-STOP & TAIL

258-0930 LAMP GP-STOP & TAIL
PART OF 356-6082 LIGHTING GP-STOP & TAIL
AN ATTACHMENT

i04758935 SEBP5970

2580930 LAMP GP-STOP & TAIL Parts scheme

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
8T-8737 F	[1]	PLUG-SEAL
9W-2471 F	[1]	LAMP (12-VOLT)(STOP, TAIL)
102-8804 F	[1]	KIT-RECEPTACLE (4-PIN)
		(INCLUDES RECEPTACLE AS & WEDGE)
165-4895 F	[1]	LENS (STOP, TAIL)
8T-8729 F	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
F		NOT SHOWN

#SEBP59700208

309-1325: LAMP GP-WARNING BEACON

LAMP GP-WARNING BEACON

309-1325 LAMP GP-WARNING BEACON -AMBER
12-VOLT
PART OF 422-3400 CONVERSION GP-ROADING, 422-3324 KIT-ROADING CONVERSION
AN ATTACHMENT

i02736233 SEBP5970

3091325 LAMP GP-WARNING BEACON Parts scheme

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	272-9800	[1]	LENS (AMBER)(WARNING BEACON)
2.	9X-8118	[1]	LAMP (12-VOLT, 55-WATT)(WARNING BEACON)
3.	9X-8139	[1]	BELT-DRIVE (WARNING BEACON)
4.	9R-7958	[1]	CORD AS
4A.	9R-7942	[1]	PLUG AS

#SEBP59700209

394-5387: LIGHTING GP-FLOOD

LIGHTING GP-FLOOD

394-5387 LIGHTING GP-FLOOD -WORK LIGHTS, FRONT
S/N EZW1-1796
PART OF 345-5454 CAB AR

i05295451 SEBP5970

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Parts for your 257D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments

Information:

ELECTRICAL AND STARTING SYSTEM

WIRING GP

Operation and Maintenance Manual

Fuses - Replace
D-Series and D2-Series Compact Track Loaders (CTL), Multi-Terrain Loaders (MTL), and Skid Steer Loaders (SSL)

Battery or Battery Cable - Inspect/Replace
D-Series and D2-Series Compact Track Loaders (CTL), Multi-Terrain Loaders (MTL), and Skid Steer Loaders (SSL)

Battery Disconnect Switch
D-Series and D2-Series Compact Track Loaders (CTL), Multi-Terrain Loaders (MTL), and Skid Steer Loaders (SSL)

Special Instruction

Procedure to Service the Engine Control Module 80-Pin Connector of C3.3B Tier 4 Final and C3.8 Tier 4 Interim Engines Using the 423-1563 Terminal As Kit {1408, 1901}
Procedure to Service the Engine Control Module 80-Pin Connector of C3.3B Tier 4 Final and C3.8 Tier 4 Interim Engines Using the 423-1563 Terminal As Kit {1408, 1901}

Jumper Harness for Engine Harness on Certain C3.3B and C3.8 Machine Engines {1408}
Jumper Harness for Engine Harness on Certain C3.3B and C3.8 Machine Engines {1408}

DRCP Connector (D-Series Machine ECM) Repair Service Instruction {1408}
DRCP Connector (D-Series Machine ECM) Repair Service Instruction {1408}

Installing the 388-8265 Work Tool Electrical Harness {1408}
Installing the 388-8265 Work Tool Electrical Harness {1408}

Installing the 388-8273 Work Tool Electrical Harness with Left Hand Joystick {1408}
Installing the 388-8273 Work Tool Electrical Harness with Left Hand Joystick {1408}

Installing the 422-3324 Roading Conversion Kit {1408, 1429, 1430, 1432, 7000, 7319}
Installing the 422-3324 Roading Conversion Kit {1408, 1429, 1430, 1432, 7000, 7319}

Installing the 422-3323 Roading Lights Kit (Front) {1408, 1429, 1430, 1432, 7000, 7319}
Installing the 422-3323 Roading Lights Kit (Front) {1408, 1429, 1430, 1432, 7000, 7319}

Installing the 422-3322 Roading Lights Kit (Rear) {1408, 1429, 1430, 1432, 7000, 7319}
Installing the 422-3322 Roading Lights Kit (Rear) {1408, 1429, 1430, 1432, 7000, 7319}

Installing the 422-3241 Communication Installation Gp (Product Link 641) {1408}
Installing the 422-3241 Communication Installation Gp (Product Link 641) {1408}

Installation of the 504-1553 Mounting Kit on Certain Compact Track Loaders, Multi-Terrain Loaders, and Skid Steer Loaders {1408, 1429, 7050}
Installation of the 504-1553 Mounting Kit on Certain Compact Track Loaders, Multi-Terrain Loaders, and Skid Steer Loaders {1408, 1429, 7050}

Systems Operation

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

Testing and Adjusting

Electric Starting System - Test
C3.3B Engines for Caterpillar Built Machines

Troubleshooting

Electrical Connectors
C3.3B and C3.8 Engines for Caterpillar Built Machines

Electrical Connectors - Inspect
C3.3B and C3.8 Engines for Caterpillar Built Machines

Relay - Test - ECM Main Relay
C3.3B and C3.8 Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 257D :

499-2684 KIT-LIGHTING

515-3153 INSTALLATION GP-COMMUNICATION

500-3772 INSTALLATION GP-COMMUNICATION

441-4819 INSTALLATION GP-COMMUNICATION

422-3241 INSTALLATION GP-COMMUNICATION

356-6115 HARNESS AS-WORK TOOL

422-5562 HARNESS AS-WIRING

391-0253 HARNESS AS-WIRING

388-8273 KIT-WORK TOOL WIRING

268-4071 LAMP GP-FLOOD

388-3782 LAMP GP-FLOOD

195-0189 LAMP GP-HEAD & SIGNAL

195-0190 LAMP GP-HEAD & SIGNAL

444-5039 LAMP GP-ROADING

258-0930 LAMP GP-STOP & TAIL

309-1325 LAMP GP-WARNING BEACON