CYLINDER BLOCK AND COVERS--Side View- Part 1 of 2 Serial No. 53A1 to 53A265, 53A267 to 53A269, 53A286, 53A293, 53A301 and 53A340 inclusive 4M9001 Cylinder Block Assembly parts are shown on Page 58. Note: 4M8166 Piston and Liner Group, 7M1918 Cylinder Liner and Piston Replacement Gasket Kit and 7M1920 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of 7M1918 and 7M1920 Gasket Kits 977H

BASIC ENGINE

CYLINDER BLOCK GP

0. CYLINDER B
1. CYLINDER B
2. CYLINDER B
3. CYLINDER B
4. CYLINDER B
5. CYLINDER B
6. CYLINDER B
7. CYLINDER B
8. CYLINDER B
9. CYLINDER B
0. INFORMATION

TRACK LOADER 977H TRACK LOADER 53A
977 TRAXCAVATOR 53A00001-01906 (MACHINE) UE034905 977H 53A (1960)

BASIC ENGINE

CYLINDER BLOCK GP

CYLINDER BLOCK AND COVERS

#UE0349050040

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View- Part 1 of 2
Serial No. 53A1 to 53A265, 53A267 to 53A269, 53A286, 53A293, 53A301 and 53A340 inclusive
4M9001 Cylinder Block Assembly parts are shown on Page 58. Note: 4M8166 Piston and Liner Group, 7M1918 Cylinder Liner and Piston Replacement
Gasket Kit and 7M1920 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of 7M1918 and 7M1920 Gasket Kits

c81107 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
2M-5209	[2]	COVER
1M-9390	[2]	GASKET
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1M-5915	[1]	PLATE
9H-3864	[1]	GASKET
0S-1594	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-0418	[1]	CLIP
5M-4062	[1]	COVER ASSEM.
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
0L-1351	[22]	BOLT
3B-4506	[22]	LOCKWASHER
0S-1594	[10]	BOLT
3B-4506	[10]	LOCKWASHER
5M-2817	[1]	BUSHING ASSEM.
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
0S-1591	[11]	BOLT
3B-4506	[11]	LOCKWASHER
5B-2026	[1]	PLUG
4F-9325	[1]	GASKET
4M-2967	[1]	PLATE ASSEM.
0S-1591	[5]	BOLT
3B-4506	[5]	LOCKWASHER
4M-2969	[1]	GASKET
	[1]	BLOCK ASSEM.
		(CONSISTS OF ALL PARTS MARKED H IN BOTH SIDE & FRONT VIEWS)
9H-5874	[6]	LINER
4M-9001 HY	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
7B-2124	[12]	SEAL
9H-5921	[1]	GASKET
2M-9543 H	[6]	DOWEL
4M-2956	[1]	GASKET
1A-1460	[13]	BOLT
3B-4508	[13]	LOCKWASHER
3B-0623	[1]	PLUG
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
3H-4890	[1]	MACH. SCREW
4B-9747	[1]	WASHER
4F-4879	[1]	BOLT
0L-0364	[1]	LOCK
4M-9348	[1]	HOUSING
0L-1351	[6]	BOLT
3B-4506	[6]	LOCKWASHER
0L-1351	[12]	BOLT
3B-4506	[12]	LOCKWASHER
1M-2837	[1]	TUBE ASSEM.
Y		SEPARATE ILLUSTRATION

#UE0349050041

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View -Part 2 of 2
Serial No. 53A1 to 53A265, 53A267 to 53A269, 53A286, 53A293, 53A301 and 53A340 inclusive

c60542 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1C-2251	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4F-3492	[1]	DOWEL
		(PART OF ASSEM. 4M2954)
5M-9083	[1]	COVER
2M-0557	[1]	GASKET
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
6H-0192	[5]	STUD
		(PART OF ASSEM. 4M2954)
1B-4203	[5]	NUT
3B-4506	[5]	LOCKWASHER
2D-8806	[3]	STUD
		(PART OF ASSEM. 4M2954)
9H-5916	[1]	LOCK
0S-1594	[2]	BOLT
7B-3235	[1]	BOLT
3B-4508	[1]	LOCKWASHER
2F-7036 H	[1]	STUD
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
7M-0235	[1]	SUPPORT ASSEM.
	[1]	BLOCK ASSEM.
		(CONSISTS OF ALL PARTS MARKED H IN BOTH FRONT & SIDE VIEWS
4M-2968	[1]	PAN
4M-2966	[1]	GASKET
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
6H-1810	[2]	DOWEL
		(PART OF ASSEM. 4M2954)
0L-1143	[7]	BOLT
3B-4506	[7]	LOCKWASHER
1M-5916	[1]	GASKET
2M-6393	[1]	GAUGE ASSEM.
2B-6296	[1]	STUD
		(PART OF ASSEM. 4M2954)
4M-2954	[1]	COVER ASSEM.
0S-1594	[1]	BOLT
0L-0364	[1]	LOCK
0S-1600	[4]	BOLT
1B-4206	[4]	NUT
3B-4510	[4]	LOCKWASHER
7B-5530	[4]	SHIM (.0320" THICK)
7B-5531	[6]	SHIM (.0140" THICK)
4M-4419	[2]	LOCK
2M-6395	[1]	TUBE ASSEM.
0S-1594	[4]	BOLT
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
7F-7889	[1]	GASKET
6H-1717	[3]	BOLT
3B-4508	[3]	LOCKWASHER
0L-1352	[7]	BOLT
3B-4506	[7]	LOCKWASHER

#UE0349050042

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View- Part 1 of 2
Serial No. 53A266, 53A270 to 53A285, 53A287 to 53A292, 53A294 to 53A300, 53A302 to 53A339, 53A341 to 53A971 and 53A976 inclusive. 4M9001 Cylinder
Block Assembly parts are shown on Page 58. Note: 4M8166 Piston and Liner Group, 7M1918 Cylinder Liner and Piston Replacement Gasket Kit and
7M1920 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of 7M1918 and 7M1920 Gasket Kits

c81108 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
2M-5209	[2]	COVER
1M-9390	[2]	GASKET
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1M-5915	[1]	PLATE
9H-3864	[1]	GASKET
0S-1594	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-0418	[1]	CLIP
5M-4062	[1]	COVER ASSEM.
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
0L-1351	[22]	BOLT
3B-4506	[22]	LOCKWASHER
0S-1594	[10]	BOLT
3B-4506	[10]	LOCKWASHER
5M-2817	[1]	BUSHING ASSEM.
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1591	[11]	BOLT
3B-4506	[11]	LOCKWASHER
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
	[1]	BLOCK ASSEM.
		(CONSISTS OF ALL PARTS MARKED H IN BOTH FRONT & SIDE VIEWS
5B-2026	[1]	PLUG
4F-9325	[1]	GASKET
1M-2837	[1]	TUBE ASSEM.
4M-2969	[1]	GASKET
4M-2967	[1]	PLATE ASSEM.
0S-1591	[5]	BOLT
3B-4506	[5]	LOCKWASHER
5B-5980	[1]	GASKET
8F-4099	[1]	GASKET
8F-4102	[1]	PLATE
8F-4103	[1]	COVER ASSEM.
3B-4615	[1]	COTTER PIN
8F-7559	[1]	RING
7H-3460	[1]	CABLE ASSEM.
9H-5874	[6]	LINER
4M-9001 HY	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUS. FOR PARTS)
7B-2124	[12]	SEAL
1A-1460	[13]	BOLT
3B-4508	[13]	LOCKWASHER
2M-9543 H	[6]	DOWEL
5M-4174	[1]	PIPE
5M-4065	[1]	GASKET
9H-5921	[1]	GASKET
4M-2956	[1]	GASKET
3B-0623	[1]	PLUG
3H-4890	[1]	MACH. SCREW
4B-9747	[1]	WASHER
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
3B-1915	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4M-9348	[1]	HOUSING
1A-2029	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4F-4879	[1]	BOLT
0L-0364	[1]	LOCK
0L-1351	[6]	BOLT
3B-4506	[6]	LOCKWASHER
0L-1351	[12]	BOLT
3B-4506	[12]	LOCKWASHER
Y		SEPARATE ILLUSTRATION

#UE0349050043

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View- Part 2 of 2
Serial No. 53A266, 53A270 to 53A285, 53A287 to 53A292, 53A294 to 53A300, 53A302 to 53A339, 53A341 to 53A971 and 53A976 inclusive

c64415 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1C-2251	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4F-3492	[1]	DOWEL
		(PART OF ASSEM. 4M2954)
5M-9083	[1]	COVER
2M-0557	[1]	GASKET
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
6H-0192	[5]	STUD
		(PART OF ASSEM. 4M2954)
1B-4203	[5]	NUT
3B-4506	[5]	LOCKWASHER
2D-8806	[3]	STUD
		(PART OF ASSEM. 4M2954)
9H-5916	[1]	LOCK
0S-1594	[2]	BOLT
7B-3235	[1]	BOLT
3B-4508	[1]	LOCKWASHER
2F-7036 H	[1]	STUD
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
7M-0235	[1]	SUPPORT ASSEM.
		(CONSISTS OF ALL PARTS MARKED H IN BOTH FRONT & SIDE VIEWS)
4M-2968	[1]	PAN
4M-2966	[1]	GASKET
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
6H-1810	[2]	DOWEL
		(PART OF ASSEM. 4M2954)
0L-1143	[7]	BOLT
3B-4506	[7]	LOCKWASHER
1M-5916	[1]	GASKET
2M-6393	[1]	GAUGE ASSEM.
2B-6296	[1]	STUD
		(PART OF ASSEM. 4M2954)
4M-2954	[1]	COVER ASSEM.
0S-1594	[1]	BOLT
0L-0364	[1]	LOCK
0S-1600	[4]	BOLT
1B-4206	[4]	NUT
3B-4510	[4]	LOCKWASHER
7B-5530	[4]	SHIM (.0320" THICK)
7B-5531	[6]	SHIM (.0140" THICK)
4M-4419	[2]	LOCK
2M-6395	[1]	TUBE ASSEM.
0S-1594	[4]	BOLT
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
7F-7889	[1]	GASKET
6H-1717	[3]	BOLT
3B-4508	[3]	LOCKWASHER
0L-1352	[7]	BOLT
3B-4506	[7]	LOCKWASHER

#UE0349050044

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View -Part 1 of 2
Serial No. 53A972 to 53A975, 53A977 to 53A1210, 53A1219 and 53A1243 inclusive
4M9001 Cylinder Block Assembly parts are shown on Page 58. Note: 4M8166 Piston and Liner Group, 7M1918 Cylinder Liner and Piston Replacement
Gasket Kit and 7M1920 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of 7M1918 and 7M1920 Gasket Kits

c66407 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1460	[2]	BOLT
5M-9133	[2]	LOCK
1A-1460	[3]	BOLT
5M-9132	[1]	LOCK
1A-1460	[2]	BOLT
5M-9136	[1]	LOCK
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1M-5915	[1]	PLATE
9H-3864	[1]	GASKET
0S-1594	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-0418	[1]	CLIP
5M-4062	[1]	COVER ASSEM.
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
0L-1351	[22]	BOLT
3B-4506	[22]	LOCKWASHER
0S-1594	[10]	BOLT
3B-4506	[10]	LOCKWASHER
5M-2817	[1]	BUSHING ASSEM.
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1591	[11]	BOLT
3B-4506	[11]	LOCKWASHER
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
		(CONSISTS OF ALL PARTS MARKED H IN BOTH FRONT & SIDE VIEWS)
5B-2026	[1]	PLUG
4F-9325	[1]	GASKET
2M-5209	[2]	COVER
1M-9390	[2]	GASKET
1A-1460	[4]	BOLT
5M-9131	[1]	LOCK
1M-2837	[1]	TUBE ASSEM.
4M-2969	[1]	GASKET
4M-2967	[1]	PLATE ASSEM.
0S-1591	[5]	BOLT
3B-4506	[5]	LOCKWASHER
5B-5980	[1]	GASKET
8F-4099	[1]	GASKET
8F-4102	[1]	PLATE
8F-4103	[1]	COVER ASSEM.
3B-4615	[1]	COTTER PIN
8F-7559	[1]	RING
7H-3460	[1]	CABLE ASSEM.
9H-5874	[6]	LINER
4M-9001 Y	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUSTRATION)
7B-2124	[12]	SEAL
1A-1460	[12]	BOLT
3B-4508	[12]	LOCKWASHER
2M-9543 H	[6]	DOWEL
5M-4174	[1]	PIPE
5M-4065	[1]	GASKET
9H-5921	[1]	GASKET
4M-2956	[1]	GASKET
3B-0623	[1]	PLUG
3H-4890	[1]	MACHINE SCREW
4B-9747	[1]	WASHER
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
3B-1915	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4M-9348	[1]	HOUSING
1A-2029	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4F-4879	[1]	BOLT
0L-0364	[1]	LOCK
0L-1351	[6]	BOLT
3B-4506	[6]	LOCKWASHER
0L-1351	[12]	BOLT
3B-4506	[12]	LOCKWASHER
Y		SEPARATE ILLUSTRATION

#UE0349050045

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View -Part 2 of 2
Serial No. 53A972 to 53A975, 53A977 to 53A1210, 53A1219 and 53A1243 inclusive

c64415 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1C-2251	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4F-3492	[1]	DOWEL
		(PART OF ASSEM. 4M2954)
5M-9083	[1]	COVER
2M-0557	[1]	GASKET
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
6H-0192	[5]	STUD
		(PART OF ASSEM. 4M2954)
1B-4203	[5]	NUT
3B-4506	[5]	LOCKWASHER
2D-8806	[3]	STUD
		(PART OF ASSEM. 4M2954)
9H-5916	[1]	LOCK
0S-1594	[2]	BOLT
7B-3235	[1]	BOLT
3B-4508	[1]	LOCKWASHER
2F-7036 H	[1]	STUD
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
7M-0235	[1]	SUPPORT ASSEM.
		(CONSISTS OF ALL PARTS MARKED H IN BOTH FRONT & SIDE VIEWS)
4M-2968	[1]	PAN
4M-2966	[1]	GASKET
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
6H-1810	[2]	DOWEL
		(PART OF ASSEM. 4M2954)
0L-1143	[7]	BOLT
3B-4506	[7]	LOCKWASHER
1M-5916	[1]	GASKET
2M-6393	[1]	GAUGE ASSEM.
2B-6296	[1]	STUD
		(PART OF ASSEM. 4M2954)
4M-2954	[1]	COVER ASSEM.
0S-1594	[1]	BOLT
0L-0364	[1]	LOCK
0S-1600	[4]	BOLT
1B-4206	[4]	NUT
3B-4510	[4]	LOCKWASHER
7B-5530	[4]	SHIM (.0320" THICK)
7B-5531	[6]	SHIM (.0140" THICK)
4M-4419	[2]	LOCK
2M-6395	[1]	TUBE ASSEM.
0S-1594	[4]	BOLT
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
7F-7889	[1]	GASKET
6H-1717	[3]	BOLT
3B-4508	[3]	LOCKWASHER
0L-1352	[7]	BOLT
3B-4506	[7]	LOCKWASHER

#UE0349050046

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View -Part 1 of 2
Serial No. 53A1211 to 53A1218, 53A1220 to 53A1242, 53A1244 to 53A1574, 53A1576, 53A1577, 53A1584 to 53A1588, 53A1596 and 53A1600 inclusive
4M9001 Cylinder Block Assembly parts are shown on Page 58. Note: 4M8166 Piston and Liner Group, 7M1918 Cylinder Liner and Piston Replacement
Gasket Kit and 7M1920 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of 7M1918 and 7M1920 Gasket Kits

c67441 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1460	[2]	BOLT
5M-9133	[2]	LOCK
1A-1460	[3]	BOLT
5M-9132	[1]	LOCK
1A-1460	[2]	BOLT
5M-9136	[1]	LOCK
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1M-5915	[1]	PLATE
9H-3864	[1]	GASKET
0S-1594	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-0418	[1]	CLIP
7M-7522	[1]	COVER ASSEM.
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
0L-1351	[22]	BOLT
3B-4506	[22]	LOCKWASHER
0S-1594	[10]	BOLT
3B-4506	[10]	LOCKWASHER
5M-2817	[1]	BUSHING ASSEM.
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1591	[11]	BOLT
3B-4506	[11]	LOCKWASHER
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
	[1]	BLOCK ASSEM.
		(CONSISTS OF ALL PARTS MARKED H IN BOTH FRONT & SIDE VIEWS
5B-2026	[1]	PLUG
4F-9325	[1]	GASKET
2M-5209	[2]	COVER
1M-9390	[2]	GASKET
1A-1460	[4]	BOLT
5M-9131	[1]	LOCK
1M-2837	[1]	TUBE ASSEM.
4M-2969	[1]	GASKET
4M-2967	[1]	PLATE ASSEM.
0S-1591	[5]	BOLT
3B-4506	[5]	LOCKWASHER
5B-5980	[1]	GASKET
8F-4099	[1]	GASKET
8F-4102	[1]	PLATE
8F-4103	[1]	COVER ASSEM.
3B-4615	[1]	COTTER PIN
8F-7559	[1]	RING
7H-3460	[1]	CABLE ASSEM.
9H-5874	[6]	LINER
4M-9001 YH	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUSTRATION)
7B-2124	[12]	SEAL
1A-1460	[12]	BOLT
3B-4508	[12]	LOCKWASHER
2M-9543 H	[6]	DOWEL
5M-4174	[1]	PIPE
5M-4065	[1]	GASKET
9H-5921	[1]	GASKET
4M-2956	[1]	GASKET
3B-0623	[1]	PLUG
3H-4890	[1]	MACHINE SCREW
4B-9747	[1]	WASHER
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
3B-1915	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4M-9348	[1]	HOUSING
5M-9621	[3]	STUD
		(PART OF COVER ASSEM. 7M7522)
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
0L-1351	[6]	BOLT
3B-4506	[6]	LOCKWASHER
4F-4879	[1]	BOLT
0L-0364	[1]	LOCK
0L-1351	[12]	BOLT
3B-4506	[12]	LOCKWASHER
Y		SEPARATE ILLUSTRATION

#UE0349050047

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View -Part 2 of 2
Serial No. 53A1211 to 53A1218, 53A1220 to 53A1242, 53A1244 to 53A1574, 53A1576, 53A1577, 53A1584 to 53A1588, 53A1596 and 53A1600 inclusive

c64415 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1C-2251	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4F-3492	[1]	DOWEL
		(PART OF ASSEM. 4M2954)
5M-9083	[1]	COVER
2M-0557	[1]	GASKET
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
6H-0192	[5]	STUD
		(PART OF ASSEM. 4M2954)
1B-4203	[5]	NUT
3B-4506	[5]	LOCKWASHER
2D-8806	[3]	STUD
		(PART OF ASSEM. 4M2954)
9H-5916	[1]	LOCK
0S-1594	[2]	BOLT
7B-3235	[1]	BOLT
3B-4508	[1]	LOCKWASHER
2F-7036 H	[1]	STUD
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
7M-0235	[1]	SUPPORT ASSEM.
		(CONSISTS OF ALL PARTS MARKED H IN BOTH FRONT & SIDE VIEWS)
4M-2968	[1]	PAN
4M-2966	[1]	GASKET
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
6H-1810	[2]	DOWEL
		(PART OF ASSEM. 4M2954)
0L-1143	[7]	BOLT
3B-4506	[7]	LOCKWASHER
1M-5916	[1]	GASKET
2M-6393	[1]	GAUGE ASSEM.
2B-6296	[1]	STUD
		(PART OF ASSEM. 4M2954)
4M-2954	[1]	COVER ASSEM.
0S-1594	[1]	BOLT
0L-0364	[1]	LOCK
0S-1600	[4]	BOLT
1B-4206	[4]	NUT
3B-4510	[4]	LOCKWASHER
7B-5530	[4]	SHIM (.0320" THICK)
7B-5531	[6]	SHIM (.0140" THICK)
4M-4419	[2]	LOCK
2M-6395	[1]	TUBE ASSEM.
0S-1594	[4]	BOLT
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
7F-7889	[1]	GASKET
6H-1717	[3]	BOLT
3B-4508	[3]	LOCKWASHER
0L-1352	[7]	BOLT
3B-4506	[7]	LOCKWASHER

#UE0349050048

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View -Part 1 of 2
Serial No. 53A1575, 53A1578 to 53A1583, 53A1589 to 53A1595, 53A1597 to 53A1599, 53A1601, 53A1603, 53A1611 and 53A1613 inclusive. 7M4403 Cylinder
Block Assembly parts are shown on Page 59. Note: 4M8166 Piston and Liner Group, 7M1918 Cylinder Liner and Piston Replacement Gasket Kit and
7M1920 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of 7M1918 and 7M1920 Gasket Kits

c80169 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1460	[2]	BOLT
5M-9133	[2]	LOCK
1A-1460	[3]	BOLT
5M-9132	[1]	LOCK
1A-1460	[2]	BOLT
5M-9136	[1]	LOCK
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1M-5915	[1]	PLATE
9H-3864	[1]	GASKET
0S-1594	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4B-0418	[1]	CLIP
7M-7522	[1]	COVER ASSEM.
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
0L-1351	[22]	BOLT
3B-4506	[22]	LOCKWASHER
0S-1594	[10]	BOLT
3B-4506	[10]	LOCKWASHER
5M-2817	[1]	BUSHING ASSEM.
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1591	[11]	BOLT
3B-4506	[11]	LOCKWASHER
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
0S-1620	[1]	PLUG
4F-9325	[1]	GASKET
2M-5209	[2]	COVER
1M-9390	[2]	GASKET
1A-1460	[4]	BOLT
5M-9131	[1]	LOCK
4B-3938	[1]	PLUG
9F-2247	[1]	PLUG
1M-2837	[1]	TUBE ASSEM.
4M-2969	[1]	GASKET
4M-2967	[1]	PLATE ASSEM.
0S-1591	[5]	BOLT
3B-4506	[5]	LOCKWASHER
5B-5980	[1]	GASKET
8F-4099	[1]	GASKET
8F-4102	[1]	PLATE
8F-4103	[1]	COVER ASSEM.
3B-4615	[1]	COTTER PIN
8F-7559	[1]	RING
7H-3460	[1]	CABLE ASSEM.
9H-5874	[6]	LINER
7M-4403 Y	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUSTRATION)
7B-2124	[12]	SEAL
1A-1460	[12]	BOLT
3B-4508	[12]	LOCKWASHER
2M-9543	[6]	DOWEL
5M-4174	[1]	PIPE
5M-4065	[1]	GASKET
9H-5921	[1]	GASKET
4M-2956	[1]	GASKET
3B-0623	[1]	PLUG
3H-4890	[1]	MACHINE SCREW
4B-9747	[1]	WASHER
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
3B-1915	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4M-9348	[1]	HOUSING
5M-9621	[3]	STUD
		(PART OF COVER ASSEM. 7M7522)
1D-4717	[1]	NUT
3B-4506	[1]	LOCKWASHER
0L-1351	[6]	BOLT
3B-4506	[6]	LOCKWASHER
4F-4879	[1]	BOLT
0L-0364	[1]	LOCK
0L-1351	[12]	BOLT
3B-4506	[12]	LOCKWASHER
Y		SEPARATE ILLUSTRATION

#UE0349050049

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View -Part 2 of 2
Serial No. 53A1575, 53A1578 to 53A1583, 53A1589 to 53A1595, 53A1597 to 53A1599, 53A1601, 53A1603, 53A1611 and 53A1613 inclusive

c80170 UE034905

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1C-2251	[1]	BOLT
3B-4506	[1]	LOCKWASHER
4F-3492	[1]	DOWEL
		(PART OF COVER ASSEM. 4M2954)
5M-9083	[1]	COVER
2M-0557	[1]	GASKET
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
6H-0192	[5]	STUD
		(PART OF COVER ASSEM. 4M2954)
1B-4203	[5]	NUT
3B-4506	[5]	LOCKWASHER
2D-8806	[3]	STUD
		(PART OF COVER ASSEM. 4M2954)
9H-5916	[1]	LOCK
0S-1594	[2]	BOLT
7B-3235	[1]	BOLT
3B-4508	[1]	LOCKWASHER
2A-4492	[1]	STUD
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
7M-0235	[1]	SUPPORT ASSEM.
4M-2968	[1]	PAN
4M-2966	[1]	GASKET
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
6H-1810	[2]	DOWEL
		(PART OF COVER ASSEM. 4M2954)
2M-6393	[1]	GAUGE ASSEM.
5B-5951	[2]	STUD
0L-1143	[7]	BOLT
3B-4506	[7]	LOCKWASHER
1M-5916	[1]	GASKET
8M-5347	[1]	TUBE ASSEM.
2B-6296	[1]	STUD
		(PART OF COVER ASSEM. 4M2954)
4M-2954	[1]	COVER ASSEM.
0S-1594	[1]	BOLT
0L-0364	[1]	LOCK
0S-1600	[4]	BOLT
1B-4206	[4]	NUT
3B-4510	[4]	LOCKWASHER
7B-5530	[4]	SHIM (.0320" THICK)
7B-5531	[6]	SHIM (.0140" THICK)
4M-4419	[2]	LOCK
0S-1594	[4]	BOLT
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
7F-7889	[1]	GASKET
6H-1717	[3]	BOLT
3B-4508	[3]	LOCKWASHER
0L-1352	[7]	BOLT
3B-4506	[7]	LOCKWASHER