387-6390 WIRING GP-RELAY PANEL -2ND AUXILIARY PART OF 379-4684, 379-4685 CONTROL AR-AUXILIARY AN ATTACHMENT 304E

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 387-6390 WIRING GP-

POWER TRAIN

DRIVE GP-FINAL

1. 280-3097 DRIVE GP-F
2. 291-9390 DRIVE GP-F

MOTOR GP

3. 292-0176 MOTOR & MT

POWER TRAIN AR

4. 264-8384 POWER TRAI

SPROCKET GP

5. 264-5370 SPROCKET G

FRAME AND BODY

FRAME GP

6. 352-7765 C-FRAME GP

COUNTERWEIGHT GP

7. 367-0904 COUNTERWEI

COVER GP

8. 377-7888 COVER AS
9. 377-7883 COVER GP-A
0. INFORMATION

MINI HYD EXCAVATOR 304E MINI HYD EXCAVATOR TTN
304E Mini Hydraulic Excavator TTN00001-UP (MACHINE) SEBP5979 304E TTN (2012)

ELECTRICAL AND STARTING SYSTEM

WIRING GP

381-9235 WIRING GP-QUICK COUPLER

387-6389 WIRING GP-RELAY PANEL

387-6390 WIRING GP-RELAY PANEL

382-2545 CONTROL AR-COUPLER

382-2546 CONTROL AR-COUPLER

384-5013 CONTROL AR-COUPLER

#SEBP59790100

387-6390: WIRING GP-RELAY PANEL

WIRING GP-RELAY PANEL

387-6390 WIRING GP-RELAY PANEL -2ND AUXILIARY
PART OF 379-4684, 379-4685 CONTROL AR-AUXILIARY
AN ATTACHMENT

i04623164 SEBP5979

3876390 WIRING GP-RELAY PANEL Parts scheme

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
1.	140-9378	[1]	RELAY AS (12-VOLT)(2ND AUXILIARY)

#SEBP59790101

280-3097: DRIVE GP-FINAL

DRIVE GP-FINAL

280-3097 DRIVE GP-FINAL
PART OF 291-9390 DRIVE GP-FINAL

i04019566 SEBP5979

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	192-1134	[2]	SEAL
2.	150-0909	[1]	BEARING
3.	280-3098	[1]	NUT
4.	150-0810	[2]	PLUG
5.	192-0633	[132]	BALL
6.	096-5971	[2]	PLUG
7.	150-0811	[4]	GEAR
8.	150-0812	[4]	BEARING AS-NEEDLE
9.	150-0813	[4]	RACE-INNER
10.	150-0814	[4]	WASHER
11.	143-2343	[1]	PLATE
12.	143-2344	[4]	SCREW
13.	150-0815	[1]	GEAR
14.	280-3100	[1]	HOLDER
15.	280-3101	[3]	GEAR
16.	150-0818	[3]	BEARING
17.	150-0819	[3]	RACE
18.	280-3102	[1]	GEAR
19.	280-3103	[1]	COVER
20.	095-1725	[1]	SEAL-O-RING
21.	143-2358	[1]	WIRE
22.	279-4706	[3]	PLUG
23.	3J-1907	[3]	SEAL-O-RING
24.	143-2346	[1]	RING

#SEBP59790102

291-9390: DRIVE GP-FINAL

DRIVE GP-FINAL

291-9390 DRIVE GP-FINAL
PART OF 292-0176 MOTOR & MTG GP-TRAVEL

i04019565 SEBP5979

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	280-3097 Y	[1]	DRIVE GP-FINAL
2.	192-1134 J	[2]	SEAL
3.	150-0909	[1]	BEARING
4.	280-3098	[1]	NUT
5.	150-0810	[2]	PLUG
6.	143-2337	[132]	BALL
7.	096-5971	[2]	PLUG
8.	150-0811	[4]	GEAR
9.	150-0812	[4]	BEARING AS-NEEDLE
10.	150-0813	[4]	RACE-INNER
11.	150-0814	[4]	WASHER
12.	143-2343	[1]	PLATE
13.	143-2344	[4]	SCREW
14.	150-0815	[1]	GEAR
15.	280-3100	[1]	HOLDER
16.	280-3101	[3]	GEAR
17.	150-0818	[3]	BEARING
18.	150-0819	[3]	RACE
19.	280-3102	[1]	GEAR
20.	280-3103	[1]	COVER
21.	095-1725 J	[1]	SEAL-O-RING
22.	143-2358 J	[1]	WIRE
23.	279-4706	[7]	PLUG
24.	3J-1907 J	[7]	SEAL-O-RING
25.	143-2346	[1]	RING
26.	150-0826	[1]	SHAFT
27.	150-0827	[1]	BEARING
28.	202-7187 J	[1]	SEAL
29.	280-3104	[1]	SWASHPLATE
30.	150-0829	[2]	BALL
31.	280-3105	[2]	PISTON
32.	280-3106	[2]	SPRING
33.	150-0832	[1]	PLATE
34.	139-7325	[1]	PIN
35.	150-0834	[1]	BEARING
36.	095-1676 J	[1]	SEAL-O-RING
37.	095-1574 J	[4]	SEAL-O-RING
38.	095-1578 J	[2]	SEAL-O-RING
39.	150-0873	[2]	SEAT
40.	150-0874	[2]	SPRING
41.	202-7174	[2]	CAP
42.	095-1596 J	[2]	SEAL-O-RING
43.	099-5349	[8]	ORIFICE
44.	280-3107	[1]	SPRING
45.	099-7197	[1]	PLUG
46.	095-1582 J	[4]	SEAL-O-RING
47.	1R-5468	[3]	PLUG
48.	280-3108	[1]	PLUG
49.	8T-9080 M	[6]	BOLT-SOCKET HEAD (M12X1.75X20-MM)
50.	280-3109	[4]	PIN
51.	096-5971	[1]	PLUG
52.	280-3110	[1]	PISTON
53.	280-3111	[1]	DISC
54.	280-3112	[8]	SPRING
55.	095-1674 L	[1]	SEAL-O-RING
56.	095-1671 L	[1]	SEAL-O-RING
57.	280-3113 L	[1]	RING
58.	280-3114 L	[1]	RING
59.	288-6900	[1]	KIT-BLOCK (TRAVEL MOTOR)
			(INCLUDES SEAL-O-RINGS, PLATE, SPOOL ASSEMBLIES, SPOOLS, VALVE, SPRING & PLUGS)
60.	280-3116	[1]	KIT-BARREL (TRAVEL MOTOR)
			(INCLUDES BARREL, COLLAR, SPRING, WASHER, PINS, RING, HOLDER-RETAINER , PLATE & PISTON ASSEMBLIES)
61.	288-6899	[1]	VALVE AS
62.	095-1580 J	[3]	SEAL-O-RING
63.	6V-5192 M	[3]	BOLT-SOCKET HEAD (M8X1.25X30-MM)

			AVAILABLE REPAIR KIT(S):
	288-6901 J	[1]	KIT-SEAL (TRAVEL MOTOR)
	280-3118 L	[1]	KIT-BRAKE (TRAVEL MOTOR)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	L		KIT MARKED L SERVICES PART(S) MARKED L
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP59790103

292-0176: MOTOR & MTG GP-TRAVEL

MOTOR & MTG GP-TRAVEL

292-0176 MOTOR & MTG GP-TRAVEL
PART OF 264-8384 POWER TRAIN AR

i04019564 SEBP5979

2920176 MOTOR & MTG GP-TRAVEL Parts scheme

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	291-9390 Y	[2]	DRIVE GP-FINAL
2.	8T-4223	[22]	WASHER-HARD (13.5X25.5X3-MM THK)
3.	8T-4956 M	[22]	BOLT (M12X1.75X35-MM)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP59790104

264-8384: POWER TRAIN AR

POWER TRAIN AR

264-8384 POWER TRAIN AR
PART OF 376-6671 COMMON AR

i04019562 SEBP5979

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
265-8752 Y	[1]	MOTOR & MTG GP-SWING
292-0176 Y	[1]	MOTOR & MTG GP-TRAVEL
264-5370 Y	[2]	SPROCKET GP
Y		SEPARATE ILLUSTRATION

#SEBP59790105

264-5370: SPROCKET GP

SPROCKET GP

264-5370 SPROCKET GP
PART OF 264-8384 POWER TRAIN AR

i04019563 SEBP5979

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	264-5371	[1]	SPROCKET
2.	8T-4223	[11]	WASHER-HARD (13.5X25.5X3-MM THK)
3.	8T-4139 M	[11]	BOLT (M12X1.75X30-MM)
	M		METRIC PART

#SEBP59790106

352-7765: C-FRAME GP-POWER ANGLING

C-FRAME GP-POWER ANGLING

352-7765 C-FRAME GP-POWER ANGLING
PART OF 344-3682 BLADE & MOUNTING GP
AN ATTACHMENT

i04016793 SEBP5979

3527765 C-FRAME GP-POWER ANGLING Parts scheme

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	121-3709	[2]	SEAL-LIP TYPE
2.	140-3734	[4]	SEAL-DUST
3.	352-7766	[1]	FRAME & BEARING AS
	265-8713	[2]	BUSHING
	287-0035	[2]	BUSHING
4.	3B-8485	[2]	ELBOW
5.	3B-8488	[1]	FITTING-GREASE (1/8-27 PTF)

#SEBP59790107

367-0904: COUNTERWEIGHT GP

COUNTERWEIGHT GP

367-0904 COUNTERWEIGHT GP
PART OF 376-6675 CHASSIS AR

i04629808 SEBP5979

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	258-2111	[3]	CAP
2.	367-0954	[1]	COUNTERWEIGHT AS
	367-0964	[1]	COUNTERWEIGHT AS
	367-1101	[1]	FOAM
3.	086-0299	[2]	WASHER (22X60X9-MM THK)
4.	7X-2563 M	[1]	BOLT (M20X2.5X60-MM)
5.	7X-2564 M	[1]	BOLT (M20X2.5X90-MM)
6.	8T-5439	[1]	WASHER-HARD (21.5X45X6-MM THK)
7.	8T-6381 M	[1]	BOLT (M20X2.5X120-MM)
	M		METRIC PART

#SEBP59790108

377-7888: COVER AS

COVER AS

377-7888 COVER AS -LH
PART OF 377-7883 COVER GP-ACCESS

i04638090 SEBP5979

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[1]	COVER AS (LH)
	8T-3490 M	[2]	NUT-WELD (M10X1.5-THD)
2.		[1]	FOAM
3.		[1]	FOAM
4.		[1]	FOAM
5.		[1]	INSULATION
6.	382-5689	[1]	INSULATION
	M		METRIC PART

#SEBP59790109

377-7883: COVER GP-ACCESS

COVER GP-ACCESS

377-7883 COVER GP-ACCESS -LH
PART OF 367-0918 HOOD & GUARD GP

i04638089 SEBP5979

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Parts for your 304E MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	Y	[1]	COVER AS (LH)
2.	140-3201	[1]	GROMMET
	Y		SEPARATE ILLUSTRATION

Information:

ELECTRICAL AND STARTING SYSTEM

WIRING GP

Operation and Maintenance Manual

Battery - Recycle
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators

Battery or Battery Cable - Inspect/Replace
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators

Fuses - Replace
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators

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}

Hydraulic Quick Coupler Lines Kit Installation for Mini Hydraulic Excavators {1408, 5057, 6129}
Hydraulic Quick Coupler Lines Kit Installation for Mini Hydraulic Excavators {1408, 5057, 6129}

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 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-Americas

Technical Information Bulletin

The Starting Motor May Malfunction on Certain 303.5E, 304E, 305E, and 305.5EMini Hydraulic Excavators{1408, 1416, 1453}
The Starting Motor May Malfunction on Certain 303.5E, 304E, 305E, and 305.5EMini Hydraulic Excavators{1408, 1416, 1453}

Tool Operating Manual

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 Cat Machines

Service Letter-APD

Testing and Adjusting

Electric Starting System - Test
C1.7, C1.8, and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines

Troubleshooting

System Schematic
303.5E CR, 304E CR, 305E CR, 305.5E CR, 308E CR and 308E2 CR Mini Hydraulic Excavators

Connector Contact Description
303.5E CR, 304E CR, 305E CR, 305.5E CR, 308E CR and 308E2 CR Mini Hydraulic Excavators

Connector Locations
303.5E CR, 304E CR, 305E CR, 305.5E CR, 308E CR and 308E2 CR Mini Hydraulic Excavators

Service Magazine

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

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

Improved Service Meter is Now Available for Certain Mini Hydraulic Excavators {1408, 7301}
2013/08/14

New Monitor Software Installation for Quick Coupler in Now Available for Certain Mini Hydraulic Excavators {1408}
2014/01/15

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

The Chassis Harness Assemblies Are Updated for Certain E Series Mini Hydraulic Excavators {1401, 1402, 1408}
2015/01/28

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}

An Improved Service Meter Kit Is Now Used on Certain Mini Hydraulic Excavators {1408, 7301}
An Improved Service Meter Kit Is Now Used on Certain Mini Hydraulic Excavators {1408, 7301}

Caterpillar Parts SIS Catalog 304E :

387-6389 WIRING GP-RELAY PANEL

381-9235 WIRING GP-QUICK COUPLER

422-2948 WIRING GP-OVERLOAD WARNING

370-5351 WIRING GP-LIGHTING

370-5333 WIRING GP-LIGHTING

370-5348 WIRING GP-ENGINE

383-3163 WIRING GP-CONSOLE

370-5350 WIRING GP-CONSOLE

280-3097 DRIVE GP-FINAL

291-9390 DRIVE GP-FINAL

292-0176 MOTOR & MTG GP-TRAVEL

264-8384 POWER TRAIN AR

264-5370 SPROCKET GP

352-7765 C-FRAME GP-POWER ANGLING

367-0904 COUNTERWEIGHT GP

377-7888 COVER AS