CYLINDER HEAD AND VALVE MECHANISM--End View-Part 2 of 2 Serial No. 53A8568 to 53A8571 and 53A8573-Up. See Page 28A for Gasket Kits 977H

BASIC ENGINE

CYLINDER HEAD GP

0. CYLINDER H

CYLINDER BLOCK GP

1. CYLINDER B
2. CYLINDER B
3. CYLINDER B
4. CYLINDER B
5. 7M-4403 CYLINDER B

SERVICE EQUIPMENT AND SUPPLIES

GASKET & SEAL KITS

6. GASKET KIT

BASIC ENGINE

CRANKSHAFT GP

7. 9H-3714 CRANKSHAFT
8. CRANKSHAFT

FLYWHEEL GP

9. FLYWHEEL
0. INFORMATION

TRACK LOADER 977H TRACK LOADER 53A
977 TRAXCAVATOR 53A04797-08886 (MACHINE) UE035638 977H 53A (1960)

BASIC ENGINE

CYLINDER HEAD GP

CYLINDER HEAD AND VALVE MECHANISM

8M-0693 CYLINDER HEAD ASSEMBLY

8M-0692 CYLINDER HEAD ASSEMBLY

5S-1882 CYLINDER HEAD ASSEMBLY

#UE0356380040

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--End View-Part 2 of 2
Serial No. 53A8568 to 53A8571 and 53A8573-Up. See Page 28A for Gasket Kits

c122228 UE035638

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
9H-1085	[6]	ARM ASSEM.
		(INTAKE)
4M-4266	[6]	ARM ASSEM.
		(EXHAUST)
2A-4429	[24]	LOCK
2M-1778	[12]	RETAINER
1S-4399	[8]	BOLT
7M-0242	[8]	WASHER
9H-9164	[12]	SPRING
3S-0461	[12]	ROTATOR
4B-5166	[1]	COVER
		(PARTS OF HEAD ASSEM. 5S1884)
9M-3296	[2]	STUD (TAPERLOCK)
2M-8411	[10]	STUD (STANDARD)
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
7H-4223	[1]	GASKET
		(PARTS OF HEAD ASSEM. 5S1884)
6B-6224	[19]	FERRULE
6B-6225	[19]	SEAL
8M-7754	[1]	SEAL
7B-2420	[1]	FERRULE
1A-2935	[12]	SCREW
1B-4203	[12]	NUT
8M-1595	[1]	ELBOW
4M-1336	[1]	FERRULE
3B-1915	[3]	BOLT
3B-4506	[3]	LOCKWASHER
2S-4044	[1]	REGULATOR
0S-1571	[1]	BOLT
3B-4506	[1]	LOCKWASHER
0S-1594	[18]	BOLT
3B-4506	[18]	LOCKWASHER
8M-0756	[1]	COVER
8M-0758	[1]	GASKET
3L-1850	[3]	PLUG
8M-1589	[1]	GASKET
4S-8729	[7FEET]	SEAL
4F-0443	[12]	BUSHING
		(1 IN EACH ARM ASSEM. 9H1085 AND 4M4266)
3B-0623	[1]	PLUG
		(PART OF HEAD ASSEM. 5S1884)
5M-6039	[1]	GASKET
7M-7681	[12]	ROD
8M-7754	[1]	SEAL
7B-2420	[1]	FERRULE
7M-0871	[12]	LIFTER

#UE0356380041

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View-Part 1 of 2
Serial No. 53A4797 to 53A5782 inclusive
7M4403 Cylinder Block Assembly parts are shown on Page 28. Refer to Page 159 for special parts

c89873 UE035638

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1460	[2]	BOLT
7M-7205	[2]	LOCK
1A-1460	[3]	BOLT
5M-9132	[1]	LOCK
1A-1460	[2]	BOLT
5M-9136	[1]	LOCK
0L-1351	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1M-5915	[1]	PLATE
9H-3864	[1]	GASKET
9M-0957	[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
9H-6067	[1]	SEAL
0S-1591	[13]	BOLT
3B-4506	[13]	LOCKWASHER
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
4B-5387	[1]	PLUG
0S-1620	[1]	BOLT
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
1S-9922	[1]	TUBE ASSEM.
4M-2969	[1]	GASKET
8M-5374	[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
4B-3938	[1]	PLUG
8H-9650	[1]	FERRULE
8M-5630	[1]	PIPE
8M-5629	[1]	GASKET
9H-5921	[1]	GASKET
	[2]	STUD
4M-2956	[1]	GASKET
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
9H-7128	[1]	HOUSING
5M-9621	[1]	STUD
		(PART OF COVER ASSEM. 9M957)
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

#UE0356380042

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View-Part 2 of 2
Serial No. 53A4797 to 53A5782 inclusive

c92691 UE035638

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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
5M-9083	[1]	COVER
2M-0557	[1]	GASKET
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
6H-0192	[5]	STUD
1B-4203	[5]	NUT
3B-4506	[5]	LOCKWASHER
5M-1932	[3]	STUD
9H-5916	[1]	LOCK
0S-1594	[2]	BOLT
6H-1717	[1]	BOLT
3B-4508	[1]	LOCKWASHER
2A-4492	[1]	STUD
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
7M-0235	[1]	SUPPORT ASSEM.
0L-1143	[4]	BOLT (2.50" LONG)
0L-2070	[1]	BOLT (2.25" LONG)
3B-4506	[5]	LOCKWASHER
8M-2931	[1]	PAN
4M-2966	[1]	GASKET
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
6H-1810	[2]	DOWEL
8M-3267	[1]	SCREW
8M-5361	[1]	GAUGE ASSEM.
5M-7973	[2]	STUD
1M-5916	[1]	GASKET
8M-5347	[1]	TUBE ASSEM.
2B-6296	[1]	STUD
9M-8009	[1]	COVER
0S-1594	[1]	BOLT
5H-3204	[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	[5]	BOLT
3B-4506	[5]	LOCKWASHER

#UE0356380043

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View - Part 1 of 2
Effective with Serial No. 53A5783. 7M4403 Cylinder Block Assembly parts are shown on Page 28. Note: 3S4030 Piston and Liner Group, 7M1918
Cylinder Liner and Replacement Gasket Kit and 2S3489 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of
7M1918 and 2S3489 Gasket Kits. Refer also to Page 159 for special parts.

c94366 UE035638

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1460	[2]	BOLT
7M-7205	[2]	LOCK
1A-1460	[3]	BOLT
5M-9132	[1]	LOCK
1A-1460	[2]	BOLT
5M-9136	[1]	LOCK
0L-1351	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1M-5915	[1]	PLATE
9H-3864	[1]	GASKET
9M-0957	[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
9H-6067	[1]	SEAL
0S-1591	[13]	BOLT
3B-4506	[13]	LOCKWASHER
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
4B-5387	[1]	PLUG
0S-1620	[1]	BOLT
4F-9325	[1]	GASKET
2M-5209	[2]	COVER
1M-9390	[2]	GASKET
1A-1460	[4]	BOLT
5M-9131	[1]	LOCK
4B-3938	[1]	PLUG
1S-9922	[1]	TUBE ASSEM.
4M-2969	[1]	GASKET
8M-5374	[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.
3S-1850	[6]	LINER
7M-4403 Y	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUSTRATION)
7B-2124	[12]	SEAL
1A-1460	[12]	BOLT
3B-4508	[12]	LOCKWASHER
4B-3938	[1]	PLUG
8H-9650	[1]	FERRULE
8M-5630	[1]	PIPE
8M-5629	[1]	GASKET
9H-5921	[1]	GASKET
	[2]	STUD
4M-2956	[1]	GASKET
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
9H-7128	[1]	HOUSING
5M-9621	[1]	STUD
		(PART OF COVER ASSEM. 9M957)
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

#UE0356380044

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View--Part 2 of 2
Effective with Serial No. 53A5783

c94367 UE035638

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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
5M-9083	[1]	COVER
2M-0557	[1]	GASKET
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
6H-0192	[5]	STUD
1B-4203	[5]	NUT
3B-4506	[5]	LOCKWASHER
1M-0130	[1]	COVER
3B-4506	[1]	GASKET
		(WATER PASSAGE)
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5M-1932	[3]	STUD
9H-5916	[1]	LOCK
0S-1594	[2]	BOLT
6H-1717	[1]	BOLT
3B-4508	[1]	LOCKWASHER
2A-4492	[1]	STUD
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
7M-0235	[1]	SUPPORT ASSEM.
0L-1143	[4]	BOLT (2.50" LONG)
0L-2070	[1]	BOLT (2.25" LONG)
3B-4506	[5]	LOCKWASHER
8M-2931	[1]	PAN
4M-2966	[1]	GASKET
4B-2363	[1]	PLUG
6F-4868	[1]	GASKET
6H-1810	[2]	DOWEL
8M-3267	[1]	SCREW
8M-5361	[1]	GAUGE ASSEM.
5M-7973	[2]	STUD
1M-5916	[1]	GASKET
8M-5347	[1]	TUBE ASSEM.
2B-6296	[1]	STUD
9M-8009	[1]	COVER
0S-1594	[1]	BOLT
5H-3204	[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	[5]	BOLT
3B-4506	[5]	LOCKWASHER

#UE0356380045

7M-4403: CYLINDER BLOCK ASSEMBLY

CYLINDER BLOCK ASSEMBLY

7M4403 CYLINDER BLOCK ASSEMBLY
Part of Cylinder Block and Covers shown on Pages 26 and 26B

c120081 UE035638

7M4403 CYLINDER BLOCK ASSEMBLY Parts scheme

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4B-5387	[1]	PLUG
7H-3171	[3]	PLUG
2H-1190	[1]	DOWEL
2M-0767	[1]	CAP GROUP
2M-0769	[2]	SHIM (LARGE)
2M-0770	[6]	SHIM (SMALL)
		(PARTS OF CAP GROUP 2M767)
2A-3798	[2]	DOWEL
4B-3938	[1]	PLUG
4B-9782	[1]	BALL
4M-8070	[10]	STUD (6.48" LONG)
5L-7648	[2]	STUD (6.62" LONG)
1A-5660	[12]	NUT
5H-9456	[12]	COTTER PIN
0L-2061	[2]	DOWEL
7M-4046	[4]	BEARING
8B-6349	[2]	DOWEL
9F-2247	[1]	PLUG
8H-9652	[1]	SHAFT
9M-5477	[1]	BEARING
4B-5387	[1]	PLUG
		(938" DIAMETER)
8M-3023	[6]	ORIFICE (1.10" LONG)
		-OR-
2S-1541	[6]	ORIFICE (1.23" LONG)
3F-6808	[6]	DOWEL
5M-3310	[1]	CAP GROUP
2M-0769	[2]	SHIM (LARGE)
2M-0770	[6]	SHIM (SMALL)
		(PARTS OF CAP GROUP 5M3310)
5M-3307	[2]	STUD
1A-5660	[2]	NUT
5H-9456	[2]	COTTER PIN
2M-0765	[5]	CAP GROUP
2M-0769	[10]	SHIM (LARGE)
		(2 IN EACH CAP GROUP 2M765)
2M-0770	[30]	SHIM (SMALL)
		(6 IN EACH CAP GROUP 2M765)

#UE0356380046

GASKET KITS

UE0356380046 UE035638

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
			BASIC DIESEL ENGINE GASKET KIT
			SERIAL NO. 53A4797 TO 53A8567
	7S-9063		BASIC DIESEL ENGINE GASKET KIT
			EFFECTIVE WITH SERIAL NO. 53A8568
	9M-4761		SUPPLEMENTARY DIESEL ENGINE GASKET KIT
	2S-3489		VALVE GRINDING GASKET KIT
	7M-1918		CYLINDER LINER AND PISTON REPLACEMENT GASKET KIT
			NOTE: PISTON AND LINER REPLACEMENT REQUIRE THE USE OF 2S3489 & 7M1918 GASKET KITS
	2S-7206		WATER PUMP GASKET KIT
	8M-4908		BASIC STARTING ENGINE GASKET KIT
	1S-7225		SUPPLEMENTARY STARTING ENGINE GASKET KIT
	9M-5678		STARTING ENGINE CLUTCH MECHANISM GASKET KIT

#UE0356380047

9H-3714: CRANKSHAFT GROUP

CRANKSHAFT GROUP

9H3714 CRANKSHAFT GROUP

c140711 UE035638

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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
7S-9439	[1]	BEARING
9F-2247	[6]	PLUG
		(PART OF CRANKSHAFT ASSEM. 9M2337)
9M-2337	[1]	CRANKSHAFT ASSEM.
9H-1129	[1]	SEAL
0S-1595	[6]	BOLT
3B-4508	[6]	LOCKWASHER
7S-3120	[1]	PULLEY
3S-9730	[6]	BEARING
4M-9933	[1]	GEAR (40 TEETH)
5H-2671	[1]	KEY
		(PARTS OF CRANKSHAFT ASSEM. 9M2337)
1S-4604	[1]	SEAL
4F-3492	[1]	DOWEL
		(PART OF WASHER ASSEM. 8H5146)
8H-5146	[1]	WASHER ASSEM.
	[1]	BOLT
3B-4512	[1]	LOCKWASHER
1S-7422	[1]	DAMPER ASSEM.