5H8004 RELIEF VALVE ASSEMBLY Part of 6H2974 and 1J4751 Control Valve Groups shown on Pages 98 and 99 955C

HYDRAULIC SYSTEM

VALVE GP-RELIEF

0. 5H-8004 RELIEF VAL
1. 6H-8267 RELIEF VAL

LINES GP-PUMP

2. HYDRAULIC
3. HYDRAULIC
4. HYDRAULIC
5. HYDRAULIC
6. HYDRAULIC
7. HYDRAULIC
8. HYDRAULIC
9. HYDRAULIC
0. INFORMATION

TRACK LOADER 955C TRACK LOADER 12A
955 TRAXCAVATOR 12A00001-08418 (MACHINE) UE032563 955C 12A (1955)

HYDRAULIC SYSTEM

VALVE GP-RELIEF

5H-8004 RELIEF VALVE ASSEMBLY

6H-8267 RELIEF VALVE ASSEMBLY

#UE0325630180

5H-8004: RELIEF VALVE ASSEMBLY

RELIEF VALVE ASSEMBLY

5H8004 RELIEF VALVE ASSEMBLY
Part of 6H2974 and 1J4751 Control Valve Groups shown on Pages 98 and 99

c42340 UE032563

5H8004 RELIEF VALVE ASSEMBLY Parts scheme

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
2H-5065	[5]	SHIM
5H-2132	[1]	RETAINER
2H-5062	[1]	SPRING (INNER)
2H-5063	[1]	SPRING (OUTER)
0L-2070	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER
5F-7054	[1]	SEAL
5H-8623	[1]	VALVE ASSEM
5H-7782	[1]	BLOCK
5F-9144	[2]	SEAL
5H-7781	[1]	PISTON
6F-6672	[1]	SEAL
2H-5061	[1]	COVER
0S-1590	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER

#UE0325630181

6H-8267: RELIEF VALVE ASSEMBLY

RELIEF VALVE ASSEMBLY

6H8267 RELIEF VALVE ASSEMBLY
Part of Hydraulic Valve and Tank Group shown on Pages 90, 92, 94 and 96

c45541 UE032563

6H8267 RELIEF VALVE ASSEMBLY Parts scheme

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1D-4569	[1]	BOLT (4 1/4" LONG)
1B-2886	[1]	BOLT (3 3/4" LONG)
1D-4719	[2]	NUT
3B-4508	[2]	LOCKWASHER
4F-7116	[1]	SPRING
4H-0037	[1]	BODY
4F-7115	[1]	SPRING
1A-2029	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER
6F-7212	[1]	RETAINER
8F-0400	[5]	SHIM
7F-4203	[1]	VALVE
6H-8268	[1]	HOUSING
2D-2350	[1]	VALVE
6F-4728	[1]	COVER
4F-7391	[2]	RING

#UE0325630182

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Side View -- Part 1 of 2
Serial No. 12A1 to 12A1334 inclusive

c45553 UE032563

None HYDRAULIC PUMP AND LINES Parts scheme

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1595	[3]	CAP SCREW
3B-4508	[3]	LOCKWASHER
8B-4623	[6]	SHIM
6H-1033	[1]	HOSE ASSEM.
2H-6134	[1]	MANIFOLD
0S-1604	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
0S-1580	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER
0S-1604	[4]	BOLT
1B-4205	[4]	NUT
3B-4508	[4]	LOCKWASHER
1H-9696	[2]	RING
0S-1593	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
4B-5273	[2]	WASHER
1H-7339	[1]	RING
4H-7989	[1]	TUBE ASSEM.
5H-8848	[2]	RING
6H-1100	[1]	HOSE ASSEM.
0L-1732	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
4B-5273	[1]	WASHER
0S-1582	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
4H-8003	[1]	TUBE ASSEM.
4H-8006	[1]	SPACER
0S-1594	[8]	CAP SCREW
3B-4506	[8]	LOCKWASHER
1H-6227	[1]	RING
0S-1572	[2]	CAP SCREW
3B-4510	[2]	LOCKWASHER
6H-3777	[2]	CLAMP
0T-0703	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER

#UE0325630183

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Top View -- Part 2 of 2
Serial No. 12A1 to 12A1334 inclusive
5H3422 Pump Assembly, 6H1018 Oil Filter Group and 3H2852 Universal Joint parts are shown on Pages 106 and 108

c41973 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1585	[2]	CAP SCREW
3B-4508	[2]	LOCKWASHER
6H-1047	[1]	CLAMP ASSEM.
1F-0751	[2]	NUT (WELDING)
		(PART OF ASSEM. 6H1047)
1A-2469	[2]	CAP SCREW
3B-4508	[2]	LOCKWASHER
1A-1460	[3]	CAP SCREW
3B-4508	[3]	LOCKWASHER
6H-1018 Y	[1]	FILTER GROUP
		(SEE SEPARATE ILLUS. FOR PARTS)
6H-1099	[1]	HOSE ASSEM.
4H-7994	[1]	TUBE ASSEM.
1H-9696	[1]	RING
6H-1115	[1]	SUPPORT
2A-3223	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
6H-1116	[2]	CLAMP
2A-4996	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
6H-1095	[1]	BRACKET
0S-1599	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
4H-7998	[1]	TUBE ASSEM.
0L-1169	[1]	CAP SCREW (3 3/4" LONG)
1D-4585	[1]	CAP SCREW (3 1/4" LONG)
3B-4510	[2]	LOCKWASHER
8F-5855	[1]	RING
3H-2852 Y	[1]	JOINT ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
0S-1571	[5]	CAP SCREW
3B-4506	[5]	LOCKWASHER
8F-8882	[1]	RING
6H-1117	[1]	BRACKET
4B-1040	[2]	WASHER
5H-3422 Y	[1]	PUMP ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
Y		SEPARATE ILLUSTRATION

#UE0325630184

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Side View -- Part 1 of 2
Serial No. 12A1335 to 12A2814 inclusive

c45348 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1595	[3]	CAP SCREW
3B-4508	[3]	LOCKWASHER
8B-4623	[6]	SHIM
6H-8397	[1]	HOSE ASSEM.
2H-6134	[1]	MANIFOLD
0S-1599	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
0S-1580	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER
0S-1604	[4]	BOLT
1B-4205	[4]	NUT
3B-4508	[4]	LOCKWASHER
1H-9696	[2]	RING
0S-1593	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
4B-5273	[2]	WASHER
1H-7339	[1]	RING
4H-7989	[1]	TUBE ASSEM.
5H-8848	[2]	RING
6H-1100	[1]	HOSE ASSEM.
0L-1732	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
4B-5273	[1]	WASHER
0S-1582	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
4H-8003	[1]	TUBE ASSEM.
4H-8006	[1]	SPACER
0S-1594	[8]	CAP SCREW
3B-4506	[8]	LOCKWASHER
1H-6227	[1]	RING
0S-1572	[2]	CAP SCREW
3B-4510	[2]	LOCKWASHER
6H-3777	[2]	CLAMP
0T-0703	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER

#UE0325630185

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Top View -- Part 2 of 2
Serial No. 12A1335 to 12A2814 inclusive
5H3422 Pump Assembly, 6H1018 Oil Filter Group and 3H2852 Universal Joint parts are shown on Pages 106, 106A, 106B and 108

c45349 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1585	[2]	CAP SCREW
3B-4508	[2]	LOCKWASHER
6H-1047	[1]	CLAMP ASSEM.
1F-0751	[2]	NUT (WELDING)
		(PART OF ASSEM. 6H1047)
1A-1460	[5]	CAP SCREW
3B-4508	[5]	LOCKWASHER
6H-1018 Y	[1]	FILTER GROUP
		(SEE SEPARATE ILLUS. FOR PARTS)
6H-8396	[1]	HOSE ASSEM.
4H-7994	[1]	TUBE ASSEM.
1H-9696	[1]	RING
6H-1115	[1]	SUPPORT
2A-3223	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
6H-1116	[2]	CLAMP
2A-4996	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
6H-1095	[1]	BRACKET
0S-1599	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
4H-7998	[1]	TUBE ASSEM.
0L-1169	[1]	CAP SCREW (3 3/4" LONG)
1D-4585	[1]	CAP SCREW (3 1/4" LONG)
3B-4510	[2]	LOCKWASHER
8F-5855	[1]	RING
3H-2852 Y	[1]	JOINT ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
0S-1571	[5]	CAP SCREW
3B-4506	[5]	LOCKWASHER
8F-8882	[1]	RING
6H-1117	[1]	BRACKET
4B-1040	[2]	WASHER
5H-3422 Y	[1]	PUMP ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
Y		SEPARATE ILLUSTRATION

#UE0325630186

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Side View -- Part 1 of 2
Serial No. 12A2815 to 12A3924, 12A3926 to 12A3974, 12A3976 to 12A3989, 12A3991 to 12A4023, 12A4025 to 12A4049, 12A4051, 12A4053 to
12A4072, 12A4075 to 12A4106, 12A4108, 12A4109, 12A4111, 12A4112, 12A4118, 12A4128, 12A4134, 12A4136, 12A4138,
12A4150, 12A4156, 12A4162, 12A4163 and 12A4165 inclusive

c49363 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1595	[3]	CAP SCREW
3B-4508	[3]	LOCKWASHER
8B-4623	[6]	SHIM
7H-4645	[1]	HOSE ASSEM.
7H-4626	[1]	MANIFOLD
0S-1599	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
0S-1580	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER
0S-1604	[4]	BOLT
1B-4205	[4]	NUT
3B-4508	[4]	LOCKWASHER
1H-9696	[2]	RING
0S-1593	[2]	BOLT
1B-4205	[2]	NUT
3B-4506	[2]	LOCKWASHER
4B-5273	[2]	WASHER
1H-7339	[1]	RING
4H-7989	[1]	TUBE ASSEM.
5H-8848	[2]	RING
7H-3762	[1]	TUBE ASSEM.
0L-1732	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
4B-5273	[1]	WASHER
0S-1582	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
4H-8006	[1]	SPACER
0S-1594	[8]	CAP SCREW
3B-4506	[8]	LOCKWASHER
1D-4588	[1]	BOLT (4 1/4" LONG)
1B-4367	[1]	BOLT (3" LONG)
3B-4510	[2]	LOCKWASHER
6H-3777	[2]	CLAMP
0T-0703	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER

#UE0325630187

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Top View--Part 2 of 2
Serial No. 12A2815 to 12A3924, 12A3926 to 12A3974, 12A3976 to 12A3989, 12A3991 to 12A4023, 12A4025 to 12A4049, 12A4051, 12A4053 to
12A4072, 12A4075 to 12A4106, 12A4108, 12A4109, 12A4111, 12A4112, 12A4118, 12A4128, 12A4134, 12A4136, 12A4138, 12A4150,
12A4156, 12A4162, 12A4163 and 12A4165 inclusive. 5H3422, 6H1018 and 3H2852 parts are shown on Pages 106, 106B and 108

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1585	[2]	CAP SCREW
3B-4508	[2]	LOCKWASHER
6H-1047	[1]	CLAMP ASSEM.
1F-0751	[2]	NUT (WELDING)
		(PART OF ASSEM. 6H1047)
1A-1460	[5]	CAP SCREW
3B-4508	[5]	LOCKWASHER
6H-1018 Y	[1]	FILTER GROUP
		(SEE SEPARATE ILLUS. FOR PARTS)
6H-8396	[1]	HOSE ASSEM.
4H-7994	[1]	TUBE ASSEM.
1H-9696	[1]	RING
6H-1115	[1]	SUPPORT
2A-3223	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
6H-1116	[2]	CLAMP
2A-4996	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
6H-1095	[1]	BRACKET
0S-1599	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
4H-7998	[1]	TUBE ASSEM.
0L-1169	[1]	CAP SCREW (3 3/4" LONG)
1D-4585	[1]	CAP SCREW (3 1/4" LONG)
3B-4510	[2]	LOCKWASHER
7F-8267	[1]	RING
1H-6227	[1]	RING
3H-2852 Y	[1]	JOINT ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
6H-1117	[1]	BRACKET
4B-1040	[2]	WASHER
8H-2062	[1]	HOSE
8H-2063	[4]	CLAMP
0S-1571	[5]	BOLT
3B-4506	[5]	LOCKWASHER
8F-8882	[1]	RING
7H-3760	[1]	TUBE ASSEM.
8F-9206	[1]	RING
6H-0945	[1]	COVER
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5H-3422 Y	[1]	PUMP ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
Y		SEPARATE ILLUSTRATION

#UE0325630188

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Side View--Part 1 of 2
Serial No. 12A3925, 12A3975, 12A3990, 12A4024, 12A4050, 12A4052, 12A4073, 12A4074, 12A4107, 12A4110, 12A4113 to 12A4117, 12A4119 to
12A4127, 12A4129 to 12A4133, 12A4135, 12A4137, 12A4139 to 12A4149, 12A4151, to 12A4155, 12A4157 to 12A4161, 12A4164 and
12A4166 to 12A5135 inclusive

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1595	[3]	BOLT
3B-4508	[3]	LOCKWASHER
8B-4623	[6]	SHIM
7H-4645	[1]	HOSE ASSEM.
7H-4626	[1]	MANIFOLD
0S-1599	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
0S-1580	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1604	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
1H-9696	[2]	RING
0S-1593	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
4B-5273	[2]	WASHER
1H-7339	[1]	RING
4H-7989	[1]	TUBE ASSEM.
8F-8882	[1]	RING
7H-3762	[1]	TUBE ASSEM.
0L-1732	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
4B-5273	[1]	WASHER
0S-1582	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
8H-6472	[1]	SPACER
0S-1594	[8]	BOLT
3B-4506	[8]	LOCKWASHER
1D-4588	[1]	BOLT (4 1/4" LONG)
1B-4367	[1]	BOLT (3" LONG)
3B-4510	[2]	LOCKWASHER
6H-3777	[2]	CLAMP
0T-0703	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER

#UE0325630189

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES--Top View--Part 2 of 2
Serial No. 12A3925, 12A3975, 12A3990, 12A4024, 12A4050, 12A4052, 12A4073, 12A4074, 12A4107, 12A4110, 12A4113 to 12A4117, 12A4119 to
12A4127, 12A4129 to 12A4133, 12A4135, 12A4137, 12A4139 to 12A4149, 12A4151 to 12A4155, 12A4157 to 12A4161, 12A4164, 12A4166 to
12A5135 inclusive. 5H3422, 6H1018 and 8H6473 parts are shown on Pages 106, 106B and 107

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1585	[2]	BOLT
3B-4508	[2]	LOCKWASHER
6H-1047	[1]	CLAMP ASSEM.
1F-0751	[2]	NUT (WELDING)
		(PART OF ASSEM. 6H1047)
1A-1460	[5]	BOLT
3B-4508	[5]	LOCKWASHER
6H-1018 Y	[1]	FILTER GROUP
		(SEE SEPARATE ILLUS. FOR PARTS)
6H-8396	[1]	HOSE ASSEM.
4H-7994	[1]	TUBE ASSEM.
1H-9696	[1]	RING
6H-1115	[1]	SUPPORT
2A-3223	[1]	BOLT
1B-4205	[1]	NUT
3B-4508	[1]	LOCKWASHER
6H-1116	[2]	CLAMP
2A-4996	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
6H-1095	[1]	BRACKET
0S-1599	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
4H-7998	[1]	TUBE ASSEM.
0L-1169	[1]	BOLT (3 3/4" LONG)
1D-4585	[1]	BOLT (3 1/4" LONG)
3B-4510	[2]	LOCKWASHER
7F-8267	[1]	RING
1H-6227	[1]	RING
8H-6473 Y	[1]	JOINT ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
6H-1117	[1]	BRACKET
4B-1040	[2]	WASHER
8H-2062	[1]	HOSE
8H-2063	[4]	CLAMP
0S-1571	[5]	BOLT
3B-4506	[5]	LOCKWASHER
8F-8882	[1]	RING
7H-3760	[1]	TUBE ASSEM.
8F-9206	[1]	RING
6H-0945	[1]	COVER
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5H-3422 Y	[1]	PUMP ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
Y		SEPARATE ILLUSTRATION