CYLINDER BLOCK AND COVERS--Front View - Part 2 of 2 Serial No. 12A1 to 12A6252 inclusive 955C TRACK LOADER

BASIC ENGINE

CYLINDER BLOCK GP

0. CYLINDER B
1. CYLINDER B
2. CYLINDER B
3. 5H-1942 CYLINDER B

CRANKSHAFT GP

4. CRANKSHAFT
5. CRANKSHAFT

BALANCER GP

6. BALANCER

PISTON & ROD GP

7. CONNECTING

CAMSHAFT GP

8. CAMSHAFT

PISTON & ROD GP

9. CONNECTING
0. INFORMATION

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

BASIC ENGINE

CYLINDER BLOCK GP

CYLINDER BLOCK AND COVERS

5H-1942 CYLINDER BLOCK ASSEMBLY

#UE0325630030

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Front View - Part 2 of 2
Serial No. 12A1 to 12A6252 inclusive

c51490 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1588	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER
0L-0468	[2]	STUD
		(PART OF ASSEM. 4F7062)
1B-4203	[2]	NUT
3B-4506	[2]	LOCKWASHER
0L-1351	[3]	CAP SCREW
3B-4506	[3]	LOCKWASHER
2H-3950	[1]	COVER
2H-3951	[1]	GASKET
4H-9147	[1]	PLUNGER ASSEM.
4H-9149	[1]	TUBE
		(PART OF ASSEM. 4H9151)
0S-1594	[2]	CAP SCREW
3B-4506	[2]	LOCKWASHER
2A-4996	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
4F-7082	[1]	GASKET (SMALL)
3H-8033	[1]	SPACER
3H-8053	[1]	PLATE (R.H.)
1A-1460	[2]	CAP SCREW
3B-4508	[2]	LOCKWASHER
4H-9151	[1]	COVER ASSEM.
5H-5124	[1]	GASKET
0S-1594	[14]	CAP SCREW
3B-4506	[14]	LOCKWASHER
0L-0827	[1]	PLUG
0L-1124	[1]	GASKET
0S-1594	[3]	CAP SCREW
3B-4506	[3]	LOCKWASHER
4F-7068	[1]	GASKET (LARGE)
2B-0174	[1]	PLUG
0S-1620	[1]	CAP SCREW
4F-9325	[1]	GASKET
0S-1582	[11]	BOLT
1B-4203	[11]	NUT
3B-4506	[11]	LOCKWASHER
5H-5693	[1]	SEAL
4F-7062	[1]	COVER ASSEM.
0L-1351	[21]	BOLT (7/8" LONG)
1A-2029	[1]	BOLT (1 1/8" LONG)
3B-4506	[22]	LOCKWASHER
4F-7216	[2]	COVER
4F-7215	[2]	GASKET
1D-4720	[3]	NUT
3B-4510	[3]	LOCKWASHER
4H-7873	[1]	COVER
4H-7869	[1]	GASKET
0L-1352	[1]	CAP SCREW
3B-4506	[1]	LOCKWASHER
0S-1584	[2]	CAP SCREW
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
8B-2563	[1]	PLATE (L.H.)
0S-1595	[2]	CAP SCREW
3B-4508	[2]	LOCKWASHER
1A-2029	[5]	CAP SCREW
3B-4506	[5]	LOCKWASHER
2H-0152	[1]	COVER (L.H.)
2H-0154	[1]	GASKET

#UE0325630031

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View - Part 1 of 2
Effective with Serial No. 12A6253
5H1942 Cylinder Block Assembly parts are shown on Page 22. Note: 8H7233 Piston and Liner Group, 2H5091 Cylinder Liner and Piston Replacement
Gasket Group and 2H5080 Valve Grinding Gasket Group are available. Piston and Liner replacement require the use of 2H5091
and 2H5080 Gasket Groups

c87605 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4F-6486	[4]	LINER
7B-2124	[12]	SEAL
4F-7206	[4]	GASKET
9F-7776	[1]	GUIDE ASSEM.
0L-0659	[2]	STUD
		(PART OF GUIDE ASSEM. 9F7776)
2B-7409	[1]	PLUG
2A-3791	[1]	SEAL
1B-4206	[2]	NUT
3B-4510	[2]	LOCKWASHER
2A-3630	[2]	DOWEL
0L-0468	[6]	STUD
		(PARTS OF HOUSING ASSEM. 4H7734)
4H-7734	[1]	HOUSING ASSEM.
0S-1749	[3]	STUD (2" LONG)
0T-0398	[3]	STUD (1.3125" LONG)
1F-1227	[1]	BUSHING
2A-3658	[1]	BUSHING
1F-1226	[1]	BUSHING
		(PARTS OF HOUSING ASSEM. 4H7734)
2B-7410	[1]	PLUG
0S-1614	[2]	BOLT
1A-5702	[1]	LOCK
3B-0824	[1]	POINTER
2B-7557	[6]	CORK
1B-4206	[8]	NUT
2B-3734	[2]	LOCK (4.375" LONG)
2B-3726	[1]	LOCK (4.875" LONG)
2A-3710	[1]	LOCK (5.25" LONG)
5F-5978	[1]	COVER
		(PART OF HOUSING ASSEM. 4H7734)
7H-1696	[1]	GASKET
1H-8590	[1]	GASKET
0S-1585	[4]	BOLT
3B-4508	[4]	LOCKWASHER
4H-4772	[1]	COVER
4H-4792	[1]	GASKET
	[1]	GASKET
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
5H-1942 Y	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUSTRATION)
0S-1594	[8]	BOLT
4H-4727	[1]	SCREEN ASSEM.
3H-4190	[1]	PLUG
6H-1117	[1]	BRACKET
4F-1395	[3]	GUIDE
6F-8874	[4]	GASKET
4B-6697	[8]	BOLT
3B-4506	[16]	LOCKWASHER
1A-6862	[3]	STUD (8.1875" LONG)
4F-1450	[2]	STUD (1.6875" LONG)
0L-0659	[2]	STUD (1.375" LONG)
		(PARTS OF HOUSING ASSEM. 5H2453)
5H-2453	[1]	HOUSING ASSEM.
2A-3307	[1]	SEAL
2A-3349	[1]	FERRULE
5B-5812	[3]	DOWEL
		(PARTS OF HOUSING ASSEM. 5H2453)
0S-1594	[13]	BOLT
	[9]	LOCK
0S-2414	[1]	LOCK
4F-7333	[1]	SHAFT ASSEM.
		(PART OF HOUSING ASSEM. 5H2453)
2A-3746	[1]	PLUG
		(PART OF SHAFT ASSEM. 4F7333)
2A-3307	[1]	SEAL
2A-3349	[1]	FERRULE
0L-0638	[1]	LOCK
4F-7329	[1]	SHAFT ASSEM.
		(PART OF HOUSING ASSEM. 5H2453)
1F-1006	[1]	DOWEL
		(PART OF SHAFT ASSEM. 4F7329)
4F-7065	[1]	GASKET
8F-6974	[2]	BOLT
3B-4506	[2]	LOCKWASHER
1D-4703	[1]	BOLT
0T-0772	[1]	BOLT
4F-8965	[15]	BOLT
3B-4507	[20]	LOCKWASHER
0T-0772	[2]	BOLT
4B-1040	[2]	WASHER
4H-6499	[1]	PAN
Y		SEPARATE ILLUSTRATION

#UE0325630032

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Front View -- Part 2 of 2
Effective with Serial No. 12A6253

c58460 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0L-0468	[2]	STUD
		(PART OF ASSEM. 4F7062)
1B-4203	[2]	NUT
3B-4506	[2]	LOCKWASHER
0L-1351	[3]	BOLT
3B-4506	[3]	LOCKWASHER
2H-3950	[1]	COVER
2H-3951	[1]	GASKET
4H-9147	[1]	PLUNGER ASSEM.
4H-9149	[1]	TUBE
		(PART OF ASSEM. 4H9151)
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
2A-4996	[1]	BOLT
1B-4203	[1]	NUT
3B-4506	[1]	LOCKWASHER
4F-7082	[1]	GASKET (SMALL)
3H-8033	[1]	SPACER
3H-8053	[1]	PLATE (R H)
1A-1460	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4H-9151	[1]	COVER ASSEM.
5H-5124	[1]	GASKET
4H-7063	[1]	SUPPORT
0S-1594	[14]	BOLT
3B-4506	[14]	LOCKWASHER
0L-0827	[1]	PLUG
0L-1124	[1]	GASKET
0S-1594	[3]	BOLT
3B-4506	[3]	LOCKWASHER
4F-7068	[1]	GASKET (LARGE)
2B-0174	[1]	PLUG
0S-1620	[1]	BOLT
4F-9325	[1]	GASKET
0S-1582	[11]	BOLT
1B-4203	[11]	NUT
3B-4506	[11]	LOCKWASHER
5H-5693	[1]	SEAL
4F-7062	[1]	COVER ASSEM.
0L-1351	[21]	BOLT (7/8" LONG)
1A-2029	[1]	BOLT (1 1/8" LONG)
3B-4506	[22]	LOCKWASHER
4F-7216	[2]	COVER
4F-7215	[2]	GASKET
1D-4720	[3]	NUT
3B-4510	[3]	LOCKWASHER
4H-7873	[1]	COVER
4H-7869	[1]	GASKET
0L-1352	[1]	BOLT
3B-4506	[1]	LOCKWASHER
0S-1591	[6]	BOLT
3B-4506	[6]	LOCKWASHER
0S-1584	[2]	BOLT
1B-4205	[2]	NUT
3B-4508	[2]	LOCKWASHER
8B-2563	[1]	PLATE (L.H.)
0S-1595	[2]	BOLT
3B-4508	[2]	LOCKWASHER
1A-2029	[5]	BOLT
3B-4506	[5]	LOCKWASHER
2H-0152	[1]	COVER (L.H.)
2H-0154	[1]	GASKET

#UE0325630033

5H-1942: CYLINDER BLOCK ASSEMBLY

CYLINDER BLOCK ASSEMBLY

5H1942 CYLINDER BLOCK ASSEMBLY
Part of Cylinder Block and Covers Group shown on Page 20

c44225 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4F-7161	[15]	STUD
5H-1941	[1]	STUD
1A-4130	[1]	STUD
0L-2061	[2]	DOWEL
6B-2880	[2]	STUD
4F-4204	[1]	STUD
6B-6489	[2]	STUD
7F-8295	[1]	BUSHING
0T-0305	[2]	STUD
2A-3696	[1]	PLUG
8B-8143	[8]	STUD
2A-3798	[2]	DOWEL
2B-2414	[1]	PACKING
3B-7614	[2]	CAP SCREW
2A-3586	[2]	STUD
4F-7160	[4]	STUD
4F-6178	[1]	TUBE
7F-8294	[2]	BUSHING
0L-2061	[1]	DOWEL
2A-5349	[1]	STUD
4F-7158	[8]	STUD
2A-3594	[10]	NUT
5H-9456	[10]	COTTER PIN
0L-2061	[1]	DOWEL

#UE0325630034

CRANKSHAFT

c41389 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
5H-5844	[1]	THROWER
6B-0657	[3]	LOCK
7F-8975	[6]	CAP SCREW
0S-0509	[4]	CAP SCREW
7F-6990	[2]	LOCK
7B-6253	[1]	GEAR (112 T)
		(PART OF ASSEM. 4H9179)
3F-6777	[1]	CRANKSHAFT
4F-6872	[1]	LOCK
4H-9179	[1]	FLYWHEEL ASSEM
5B-6458	[6]	LOCK
0S-1588	[12]	CAP SCREW
		(PARTS OF ASSEM. 4H9179)
1H-1547	[1]	BEARING ASSEM.
1H-1546	[1]	BEARING ASSEM
1H-1545	[2]	BEARING ASSEM.
1H-1544	[1]	BEARING ASSEM
1B-8744	[1]	KEY
1B-8746	[1]	KEY
4F-6534	[1]	GEAR (33 T)
1A-5329	[1]	NUT
4F-6888	[1]	SEAL (STD.)
		-or-
8F-4331	[1]	SEAL (030" U'' SIZE)
0L-1865	[1]	LOCK
2B-4705	[1]	CAP SCREW
5B-8114	[1]	SCREW
4F-8035	[1]	PULLEY

#UE0325630035

CRANKSHAFT BEARING REPLACEMENT

UE0325630035 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments

#UE0325630036

BALANCER

c42318 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
7F-4067	[2]	BUSHING
		(1 IN EACH ASSEM. 8F3339 & 8F3341
5H-7187	[1]	GEAR (32 T)
1B-8705	[2]	KEY
0S-1595	[4]	CAP SCREW
1C-0155	[4]	LOCK
0L-2061	[2]	DOWEL
		(PART OF ASSEM. 8F3339)
1B-4430	[2]	NUT
5H-7222	[2]	LOCK
8F-6548	[1]	BRACKET ASSEM.
9F-8389	[1]	WEIGHT ASSEM.
9F-8390	[1]	WEIGHT ASSEM.
8F-6546	[1]	SHAFT ASSEM.
9F-8384	[1]	PIN
8F-6545	[1]	SHAFT ASSEM.
8F-3339	[1]	BRACKET ASSEM.
6F-7172	[1]	DOWEL
		(PART OF ASSEM. 8F3339)
9F-8514	[2]	SPACER
		(1 IN EACH ASSEM. 9F8390)
9F-8513	[4]	BUSHING
		(2 IN EACH ASSEM. 9F8389 & 9F8390)
5F-3728	[1]	BUSHING
		(PART OF ASSEM. 8F3865)
8F-3865	[1]	GEAR ASSEM. (41T.)
8F-3341	[1]	BRACKET ASSEM.
0L-2061	[2]	DOWEL
		(PART OF ASSEM. 8F3341)
0S-1591	[1]	CAP SCREW
0S-2415	[1]	LOCK
0L-1351	[1]	CAP SCREW
0L-0364	[1]	LOCK
5H-7186	[1]	GEAR (22T.)
6H-3283	[1]	COLLAR
5B-4691	[1]	PIN
5H-7185	[1]	SHAFT
3F-8919	[2]	DOWEL
		(1 IN EACH ASSEM. 8F6545 & 8F6546)

#UE0325630037

CONNECTING ROD AND PISTON

CONNECTING ROD AND PISTON--4 Required
Serial No. 12A1 to 12A5321, 12A5323 and 12A5324 inclusive
Note: 8H7233 Piston and Liner Group, consisting of 1--Piston Assembly, 1--Liner,
3--Seal and 1--Gasket is available

c49288 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4F-7021	[2]	RETAINER
8F-9283	[1]	PIN
6F-4323	[1]	ROD ASSEM.
5B-5450	[3]	PIN
4B-0047	[2]	DOWEL
		(PARTS OF ASSEM. 6F4323)
9F-8580	[1]	BEARING (STD.)
9F-8581	[1]	BEARING (.030 "U" SIZE)
8H-6966	[1]	RING GROUP
		(CONSISTS OF COMPLETE SET OF RINGS FOR TWO PISTONS)
4F-7042	[1]	RING
6F-6395	[2]	RING
8H-1696	[2]	RING
		(PARTS OF ASSEM. 1H1501)
1H-1501	[1]	PISTON ASSEM.
5B-0163	[2]	BOLT
4B-6074	[2]	NUT
6F-3465	[2]	COTTER PIN
9F-1848	[1]	BUSHING
		(PARTS OF ASSEM. 6F4323)

#UE0325630038

CAMSHAFT

c22916 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1B-8722	[1]	KEY
2A-3473	[1]	PLATE
0L-0702	[1]	NUT
5F-6267	[1]	CAMSHAFT
3B-8763	[1]	WASHER
0L-0364	[2]	LOCK
0S-1591	[2]	CAP SCREW
5B-3099	[1]	GEAR
3B-1634	[1]	LOCK

#UE0325630039

CONNECTING ROD AND PISTON

CONNECTING ROD AND PISTON--4 Required
Serial No. 12A5322 and 12A5325-Up
Note: 8H7233 Piston and Liner Group, consisting of 1--Piston Assembly,
1--Liner, 3--Seal and 1--Gasket is available

c55864 UE032563

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Parts for your 955C TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4F-7021	[2]	RETAINER
8F-9283	[1]	PIN
6F-4323	[1]	ROD ASSEM.
5B-5450	[3]	PIN
4B-0047	[2]	DOWEL
		(PARTS OF ASSEM. 6F4323)
9F-8580	[1]	BEARING (STD.)
9F-8581	[1]	BEARING (.030 "U" SIZE)
9H-1212	[1]	RING GROUP
		(CONSISTS OF COMPLETE SET OF RINGS FOR ONE PISTON)
4F-7042	[1]	RING
6F-6395	[2]	RING
3F-2834	[1]	RING
		(PARTS OF ASSEM. 8H2001)
8H-2001	[1]	PISTON ASSEM.
5B-0163	[2]	BOLT
4B-6074	[2]	NUT
6F-3465	[2]	COTTER PIN
9F-1848	[1]	BUSHING
		(PARTS OF ASSEM. 6F4323)