6N8370 OIL PAN GROUP Serial No. 45V11803 to 45V15610 inclusive Part of 4N303 Engine Arrangement listed on Page 8 943

4N176 CRANKSHAFT GROUP
Serial No. 45V1 to 45V13328 inclusive
Part of 4N303, 4N169 Engine Arrangements & 8N9188 Short Cylinder Block Group listed on Pages 8 & 12A

c116255 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[1]	SEAL
2.		[3]	BEARING (Main)
3.		[2]	BEARING
4.		[2]	PLATE
5.		[1]	SEAL
6.	R	[1]	CRANKSHAFT ASSEM.
7.		[1]	SLEEVE
8.		[1]	GEAR (40 Teeth)
		[1]	KEY
	R		REMFG PART MAY BE AVAILABLE

#UEG0678S0013

4N-0176: CRANKSHAFT GP

CRANKSHAFT GP

4N176 CRANKSHAFT GROUP
Serial No. 45V13329-Up
Part of 4N303 and 4N169 Engine Arrangements listed on Page 8

c167846 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9L-7736 C	[1]	SEAL
2.	6N-8745 C	[3]	BEARING (main front)
3.	6N-8746 C	[2]	BEARING (main)
4.	6N-8940 C	[2]	PLATE
5.	9L-7735	[1]	SEAL
6.	4N-0112 R	[1]	CRANKSHAFT ASSEM.
7.	9L-8336	[1]	SLEEVE
8.	4M-9933	[1]	GEAR (40 Teeth)
	5H-2671	[1]	KEY
	C		INDICATES CHANGE
	R		REMFG PART MAY BE AVAILABLE

#UEG0678S0014

GASKET KITS

UEG0678S0014 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	5P-9943		VALVE GRINDING COMPLETE
	5P-9945		CENTRAL AND LOWER STRUCTURE
	5P-9946		FRONT STRUCTURE
	5P-9947		REAR STRUCTURE
	5P-9948		FUEL SYSTEM

#UEG0678S0015

4N-0174: CAMSHAFT GROUP

CAMSHAFT GROUP

4N174 CAMSHAFT GROUP
Part of 4N303 and 4N169 Engine Arrangements listed on Page 8

c118152 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[1]	LOCK
2.		[2]	BOLT
3.		[1]	WASHER
4.		[1]	CAMSHAFT ASSEM.
5.	C	[1]	DOWEL
	C		INDICATES CHANGE

#UEG0678S0016

CRANKSHAFT BEARING REPLACEMENTS

UEG0678S0016 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
		FOR USE WITH .010 UNDERSIZE CRANKSHAFT
9N-3055	[5]	BEARING MAIN
		-OR-
		FOR USE WITH .020 UNDERSIZE CRANKSHAFT
9N-3054	[5]	BEARING MAIN
		NEED TO CHOOSE 5 TOTAL BETWEEN BOTH

#UEG0678S0017

4N-0183: HOUSING GP-FLYWHEEL

HOUSING GP-FLYWHEEL

4N183 FLYWHEEL HOUSING GROUP
Part of 4N303 and 4N169 Engine Arrangements listed on Page 8

c217334 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-5453 C	[1]	HOUSING
2.	4N-0214 C	[1]	GASKET
3.	0S-1571 C	[8]	BOLT 41.28 mm(1.625 in.) long
4.	0S-1590	[2]	BOLT 44.45 mm(1.75 in.) long
5.	5M-6213	[1]	PLUG
6.	5M-2894 C	[10]	WASHER
	C		INDICATES CHANGE

#UEG0678S0018

4N-0184: FLYWHEEL GP

FLYWHEEL GP

4N184 FLYWHEEL GROUP
Part of 4N303 and 4N169 Engine Arrangements listed on Page 8

c217335 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0197	[1]	FLYWHEEL ASSEM.
			(Includes)
2.	2N-1599	[1]	GEAR (126 teeth)
3.	0T-0489	[8]	BOLT 5.08 mm(2 in.) long
			-OR-
	8S-4724 C	[8]	BOLT 57.15 mm(2.25 in.) long
	5P-8244 C	[8]	WASHER
	C		INDICATES CHANGE

#UEG0678S0019

4N-0191: PISTON GP-ROD

PISTON GP-ROD

4N191 CONNECTING ROD AND PISTON GROUP--4 Required
Part of 4N303, 4N169 Engine Arrangements & 8N9188 Short Cylinder Block Group
shown on Pages 8 & 12A

c153455 UEG0678S

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6N-4220 C	[1]	PISTON GROUP (std.)
2.	9L-9316	[1]	RING ASSEM. (oil)
3.	9L-9192	[1]	RING (compression)
4.	6N-4340 C	[1]	PISTON GROUP .020 in (0.51 mm) oversize
5.	9L-9673	[1]	RING ASSEM.
6.	9L-9674	[1]	RING
7.	6N-4350 C	[1]	PISTON GROUP .040 in. (1.02 mm) oversize
8.	9L-9323	[1]	RING ASSEM.
9.	9N-9146	[1]	RING
10.	1J-6473	[2]	RING
11.	4N-2218	[1]	ROD ASSEM.
12.	9L-8382	[1]	BEARING
13.	9L-8225	[2]	BOLT
14.	9L-7669	[2]	NUT
15.	4N-0092	[1]	BEARING (std.)
	4N-4707	[1]	BEARING .010 in. (0.26 mm) undersize
	4N-4713	[1]	BEARING .020 in. (0.51 mm) undersize
16.	9L-9889	[1]	PIN
			BEARING GROUPS AVAILABLE:
	4N-4705	[1]	BEARING GRP. (4-std. bearings)
	4N-4706	[1]	BEARING GRP. 4-.010 in. (0.26 mm) undersize
	4N-4714	[1]	BEARING GRP. 4-.020 in. (0.51 mm) undersize
	9L-9612	[1]	PISTON RING GROUP (std.)
			(Complete set of Rings for one Std. Piston)
	C		INDICATES CHANGE