5N8320 CYLINDER HEAD GROUP Serial No. 68B6681-Up Part of 3N2680 Cylinder Head and Valve Mechanism Group shown on Page 21D D379

5N-8320: CYLINDER HEAD GP

5N8320 CYLINDER HEAD GROUP
Serial No. 68B6681-Up
Part of 3N2680 Cylinder Head and Valve Mechanism Group shown on Page 21D

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3N-1414	[4]	SPACER
2.	7N-7639	[4]	ROTATOR-VALVE
3.	2A-4429 FY	[8]	LOCK-RETAINER
4.	2N-9297	[2]	RETAINER-VALVE SPRING (EXHAUST)
5.	9M-5350	[4]	SPRING
6.	9M-5349	[4]	SPRING
7.	5N-8319 C	[1]	CYLINDER HEAD AS
8.	2N-9299	[2]	GUIDE-VALVE (EXHAUST)
	2N-9298	[2]	GUIDE-VALVE (INTAKE)
9.	8M-4014 R	[2]	INSERT-SEAT EXHAUST (EXHAUST)
	5S-1757	[2]	INSERT (INTAKE)
10.	5H-7071	[8]	DIRECTOR-WATER
11.	3B-0645	[8]	PLUG-CUP
12.	1W-1822	[2]	VALVE-EXHAUST (EXHAUST)
	1W-8606	[2]	VALVE-INLET (INTAKE)
13.	1W-3062	[2]	RETAINER AS (INTAKE)
			(EACH INCLUDES)
	8N-7780 C	[1]	SHIELD-OIL
	C		CHANGE FROM PREVIOUS TYPE
	F		NOT SHOWN
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Side View--Part 1 of 2
Serial No. 68B2540 to 68B2588 inclusive
See Page 25 for Gasket Kits

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
3B-0645	[2]	PLUG (CORE)
5L-2894	[5]	BEARING
		(PART OF BLOCK ASSEM.6L2534)
9S-1366	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4L-7562	[2]	GASKET
0L-1351	[4]	BOLT
3B-4506	[8]	LOCKWASHER
5F-9303	[2]	COVER
1F-3131	[2]	GASKET
3B-0551	[2]	PLUG
1A-0168	[6]	BOLT
3B-4508	[6]	LOCKWASHER
9M-7269	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4F-2609	[1]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
3F-6795	[1]	PIN
0L-2061	[2]	DOWEL (.875" LONG)
2B-2994	[2]	DOWEL (1.50" LONG)
		(PARTS OF BLOCK ASSEM.6L2534)
7F-7669	[1]	GASKET
7F-7670	[1]	COVER
0L-1351	[4]	BOLT
4L-4653	[2]	PLATE
1A-8537	[8]	BOLT
3B-4510	[14]	LOCKWASHER
8S-9092	[6]	BOLT
2N-7224	[2]	CAP ASSEM.
		(Part of 6L2534 Assem.)
1A-9759	[8]	DOWEL
1F-4418	[1]	COVER
1F-9223	[1]	GASKET
2N-5120	[10]	STUD
3S-1356	[10]	NUT
		(Parts of 6L2534 Assem.)
2A-3348	[1]	DOWEL
1A-2223	[16]	DOWEL (1" LONG)
1A-2036	[4]	DOWEL (.50" LONG)
		(PARTS OF BLOCK ASSEM.6L2534)
2N-7194	[3]	CAP
		(Part of 6L2534 Assem.)
4L-6788	[64]	STUD
5H-4279	[4]	PLUG
1H-8645	[2]	SCREW
2A-3278	[2]	GASKET
		(PARTS OF 6L2534 ASSEM)
4L-7586	[1]	GASKET
3F-6808	[2]	DOWEL
		(PART OF BLOCK ASSEM.6L2534)
6L-2534	[1]	BLOCK ASSEM
4L-3395	[2]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
3F-6808	[2]	DOWEL
4F-2609	[1]	PIN (.437" LONG)
3F-6795	[1]	PIN
		(PARTS OF BLOCK ASSEM.6L2534)

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Front View--Part 2 of 2
Serial No. 68B2540 to 68B2588 inclusive
Refer also to Pages 115 and 135 for special parts

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
0S-1590	[2]	BOLT
3B-4506	[2]	LOCKWASHER
1A-1135	[4]	BOLT
2A-4462	[2]	LOCKWASHER
8L-4857	[4]	COVER
1F-4419	[4]	GASKET
0S-1594	[1]	BOLT
		(1"LONG)
0S-0509	[44]	BOLT
		(.75"LONG)
3B-4506	[45]	LOCKWASHER
6L-7815	[24]	SEAL
1S-2587	[8]	LINER
1A-9759	[8]	DOWEL
0S-1594	[10]	BOLT
3B-4506	[10]	LOCKWASHER
2N-4518	[1]	PLATE ASSEM.
2N-4516	[1]	ADAPTER
		(PART OF 2N4518 ASSEM.)
7F-5174	[1]	FLANGE
1F-3131	[1]	GASKET
1B-5174	[1]	PLUG
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
1F-4418	[3]	COVER
1F-9223	[3]	GASKET
5F-0304	[1]	PLUG
5B-8932	[1]	GASKET
0S-0509	[64]	BOLT
3B-4506	[64]	LOCKWASHER
6L-2787	[1]	HOUSING
		(FLYWHEEL)

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Side View--Part 1 of 2
Serial No. 68B2589 to 68B2876 inclusive
See Page 25 for Gasket Kits

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
5L-2894	[5]	BEARING
		(Part of 6L2534 & 2N3548 Assems.)
9S-1366	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4L-7562	[2]	GASKET
0L-1351	[4]	BOLT
3B-4506	[8]	LOCKWASHER
5F-9303	[2]	COVER
1F-3131	[2]	GASKET
3B-0551	[2]	PLUG
1A-0168	[6]	BOLT
3B-4508	[6]	LOCKWASHER
9M-7269	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4F-2609	[1]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
3F-6795	[1]	PIN
0L-2061	[2]	DOWEL (.875"LONG)
2B-2994	[2]	DOWEL (1.50"LONG)
		(Parts of 6L2534 & 2N3548 Assems.)
7F-7669	[1]	GASKET
7F-7670	[1]	COVER
0L-1351	[4]	BOLT
4L-4653	[2]	PLATE
1A-8537	[8]	BOLT
3B-4510	[14]	LOCKWASHER
8S-9092	[6]	BOLT
2N-7224	[2]	CAP ASSEM.
		(Part of 6L2534 & 2N3548 Assem.)
1A-9759	[8]	DOWEL
1F-4418	[1]	COVER
1F-9223	[1]	GASKET
2N-5120	[10]	STUD
3S-1356	[10]	NUT
		(Parts of 6L2534 & 2N3548 Assem.)
2A-3348	[1]	DOWEL
1A-2223	[16]	DOWEL (1"LONG)
1A-2036	[4]	DOWEL (.50"LONG)
		(Parts of 6L2534 & 2N3548 Assem.)
2N-7194	[3]	CAP
		(Part of 6L2534 & 2N3548 Assem.)
6L-2534	[1]	BLOCK ASSEM.
		(For Use With Compression Release)
		-OR-
2N-3548 C	[1]	BLOCK ASSEM.
		(For Use Without Compression Release)
4L-6788	[64]	STUD
5H-4279	[4]	PLUG
1H-8645	[2]	SCREW
2A-3278	[2]	GASKET
		(Parts of 6L2534 & 2N3548 Assem.)
4L-7586	[1]	GASKET
5M-6213 C	[2]	PLUG
		(Part of 6L2534 & 2N3548 Assem.)
4L-3395	[2]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
3F-6808	[2]	DOWEL
4F-2609	[1]	PIN (.437"LONG)
3F-6795	[1]	PIN
		(Parts of 6L2534 & 2N3548 Assem.)
C		INDICATES CHANGE

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK AND COVERS (3N2677 N/S)--Front View--Part 2 of 2
Serial No. 68B2589 to 68B2876 inclusive

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1135	[4]	BOLT
2A-4462	[2]	LOCK
8L-4857	[4]	COVER
1F-4419	[4]	GASKET
0S-1594	[1]	BOLT
		(1"LONG)
0S-0509	[44]	BOLT
		(.75"LONG)
3B-4506	[45]	LOCKWASHER
6L-7815	[24]	SEAL
1S-2587	[8]	LINER
1A-9759	[8]	DOWEL
2N-4518	[1]	PLATE ASSEM.
2N-4516	[1]	ADAPTER
		(PART OF 2N4518 ASSEM.)
7F-5174	[1]	FLANGE
1F-3131	[1]	GASKET
1B-5174	[1]	PLUG
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
1F-4418	[3]	COVER
1F-9223	[3]	GASKET
5F-0304	[1]	PLUG
5B-8932	[1]	GASKET
0S-0509	[64]	BOLT
3B-4506	[64]	LOCKWASHER
6L-2787	[1]	HOUSING
		(FLYWHEEL)

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Side View--Part 1 of 2
Serial No. 68B2877 to 68B4166 inclusive
See Page 25 for Gasket Kits

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4L-6788	[64]	STUD
5L-2894	[5]	BEARING
		(Parts of 3N6988 & 3N6990 Assem.)
9S-1366	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4L-7562	[2]	GASKET
0L-1351	[4]	BOLT
3B-4506	[8]	LOCKWASHER
5F-9303	[2]	COVER
1F-3131	[2]	GASKET
3B-0551	[2]	PLUG
1A-0168	[6]	BOLT
3B-4508	[6]	LOCKWASHER
9M-7269	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4F-2609	[1]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
3F-6795	[1]	PIN
0L-2061	[2]	DOWEL (.875"LONG)
2B-2994	[2]	DOWEL (1.50"LONG)
		(Parts of 3N6988 & 3N6990 Assem.)
7F-7669	[1]	GASKET
7F-7670	[1]	COVER
0L-1351	[4]	BOLT
4L-4653	[2]	PLATE
1A-8537	[8]	BOLT
3B-4510	[14]	LOCKWASHER
8S-9092	[6]	BOLT
2N-7193	[2]	CAP
1A-9759	[8]	DOWEL
		(Parts of 3N6988 & 3N6990 Assem.)
1F-4418	[1]	COVER
1F-9223	[1]	GASKET
2N-5120	[10]	STUD
3S-1356	[10]	NUT
		(Parts of 3N6998 & 3N6990 Assem.)
2A-3348	[1]	DOWEL
1A-2223	[16]	DOWEL (1"LONG)
1A-2036	[4]	DOWEL (.50"LONG)
		(Parts of 3N6988 & 3N6990 Assem.)
2N-7194	[3]	CAP
		(Part of 3N6988 & 3N6990 Assem.)
3N-6988 C	[1]	BLOCK ASSEM.
		(For Use With Compression Release)
		-OR-
3N-6990 C	[1]	BLOCK ASSEM.
		(For Use Without Compression Release)
5H-4279	[4]	PLUG
1H-8645	[2]	SCREW
2A-3278	[2]	GASKET
		(PARTS OF 3N6988 ASSEM.)
4L-7586	[1]	GASKET
5M-6213	[2]	PLUG
		(Part of 3N6988 & 3N6990 Assem.)
4L-3395	[2]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
3F-6808	[2]	DOWEL
4F-2609	[1]	PIN (437" LONG)
3F-6795	[1]	PIN
		(Parts of 3N6988 & 3N6990 Assem.)
C		INDICATES CHANGE

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Front View - Part 2 of 2
Serial No. 68B2877 to 68B4166 inclusive

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1135	[4]	BOLT
2A-4462	[2]	LOCK
8L-4857	[4]	COVER
1F-4419	[4]	GASKET
0S-1594	[1]	BOLT (1"LONG)
0S-0509	[44]	BOLT (.75"LONG)
3B-4506	[45]	LOCKWASHER
6L-7815	[24]	SEAL
1S-2587	[8]	LINER
1A-9759	[8]	DOWEL
2N-4518	[1]	PLATE ASSEM.
2N-4516	[1]	ADAPTER
		(PART OF 2N4518 ASSEM.)
8F-8145 C	[1]	FLANGE
1F-3131	[1]	GASKET
1B-5174	[1]	PLUG
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
1F-4418	[3]	COVER
1F-9223	[3]	GASKET
5F-0304	[1]	PLUG
5B-8932	[1]	GASKET
0S-0509	[64]	BOLT
3B-4506	[64]	LOCKWASHER
6L-2787	[1]	HOUSING
		(FLYWHEEL)
C		INDICATES CHANGE

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Side View-Part 1 of 2
Serial No. 68B4167 to 68B7660 inclusive
See Page 25 for Gasket Kits

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4L-6788	[64]	STUD
5L-2894	[5]	BEARING
		(Parts of 3N6988 & 3N6990 Assem.)
9S-1366	[2]	BOLT
3B-4508	[2]	LOCKWASHER
5N-3275 C	[1]	GASKET
0L-1351	[4]	BOLT
3B-4506 C	[4]	LOCKWASHER
5F-9303	[2]	COVER
1F-3131	[2]	GASKET
3B-0551	[2]	PLUG
1A-0168	[6]	BOLT
3B-4508	[6]	LOCKWASHER
9M-7269	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4F-2609	[1]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
3F-6795	[1]	PIN
0L-2061	[2]	DOWEL (875" LONG)
2B-2994	[2]	DOWEL (150" LONG)
		(Parts of 3N6988 & 3N6990 Assem.)
7F-7669	[1]	GASKET
7F-7670	[1]	COVER
0L-1351	[4]	BOLT
4L-4653	[2]	PLATE
1A-8537	[8]	BOLT
3B-4510	[14]	LOCKWASHER
8S-9092	[6]	BOLT
2N-7193	[2]	CAP
1A-9759	[8]	DOWEL
		(Parts of 3N6988 & 3N6990 Assem.)
1F-4418	[1]	COVER
1F-9223	[1]	GASKET
2A-3348	[1]	DOWEL
1A-2223	[16]	DOWEL (1" LONG)
6B-6863 C	[4]	DOWEL (50" LONG)
		(Parts of 3N6988 & 3N6990 Assem.)
2N-5120	[10]	STUD
3S-1356	[10]	NUT
		(Parts of 3N6988 & 3N6990 Assem.)
2N-7194	[3]	CAP
		(Part of 3N6988 & 3N6990 Assem.)
3N-6988	[1]	BLOCK ASSEM.
		(For Use With Compression Release)
		-OR-
3N-6990	[1]	BLOCK ASSEM.
		(For Use Without Compression Release)
5H-4279	[4]	PLUG
1H-8645	[2]	SCREW
2A-3278	[2]	GASKET
		(PARTS OF 3N6988 ASSEM.)
4L-7586	[1]	GASKET
5M-6213	[2]	PLUG
		(Part of 3N6988 & 3N6990 Assem.)
4L-3395	[2]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
7F-9504 C	[2]	DOWEL
4F-2609	[1]	PIN (437" LONG)
3F-6795	[1]	PIN
		(Parts of 3N6988 & 3N6990 Assem.)
C		INDICATES CHANGE

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Front View-Part 1 of 2
Serial No. 68B4167 to 68B7660 inclusive

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
1A-1135	[4]	BOLT
2A-4462	[2]	LOCK
8N-4708 C	[8]	BAND
8L-4857	[4]	COVER
1F-4419	[4]	GASKET
0S-0509 C	[42]	BOLT 19.05 mm(.75 in.) long
3B-4506 C	[42]	LOCKWASHER
6L-7815	[24]	SEAL
8N-9174 C	[8]	LINER
1A-9759	[8]	DOWEL
2N-4518	[1]	PLATE ASSEM.
2N-4516	[1]	ADAPTER
		(PART OF 2N4518 ASSEM.)
8F-8145 C	[1]	FLANGE
1F-3131	[1]	GASKET
1B-5174	[1]	PLUG
0S-1588	[2]	BOLT
3B-4506	[2]	LOCKWASHER
1F-4418	[3]	COVER
1F-9223	[3]	GASKET
5F-0304	[1]	PLUG
5B-8932	[1]	GASKET
0S-0509 C	[60]	BOLT
3B-4506 C	[60]	LOCKWASHER
6L-2787	[1]	HOUSING (FLYWHEEL)
C		INDICATES CHANGE

3N-2677: CYLINDER BLOCK & COVERS GP

CYLINDER BLOCK & COVERS GP

3N2677 CYLINDER BLOCK AND COVERS GROUP--Side View-Part 1 of 2
Serial No. 68B7661-Up

Parts for your D379 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
4L-6788	[64]	STUD
5L-2894	[5]	BEARING
		(Parts of 3N6988 & 3N6990 Assem.)
9S-1366	[2]	BOLT
3B-4508	[2]	LOCKWASHER
5N-3275	[1]	GASKET
0L-1351	[4]	BOLT
3B-4506	[4]	LOCKWASHER
5F-9303	[2]	COVER
1F-3131	[2]	GASKET
3B-0551	[2]	PLUG
1A-0168	[6]	BOLT
3B-4508	[6]	LOCKWASHER
9M-7269	[2]	BOLT
3B-4508	[2]	LOCKWASHER
4F-2609	[1]	DOWEL
7L-2593	[1]	SHAFT ASSEM
3F-6795	[1]	PIN
0L-2061	[2]	DOWEL (875" LONG)
2B-2994	[2]	DOWEL (150" LONG)
		(Parts of 3N6988 & 3N6990 Assem.)
7F-7669	[1]	GASKET
7F-7670	[1]	COVER
0L-1351	[4]	BOLT
4L-4653	[2]	PLATE
1A-8537	[8]	BOLT
3B-4510	[14]	LOCKWASHER
8S-9092	[6]	BOLT
2N-7193	[2]	CAP
1A-9759	[8]	DOWEL
		(Parts of 3N6988 & 3N6990 Assem.)
1F-4418	[1]	COVER
1F-9223	[1]	GASKET
2A-3348	[1]	DOWEL
1A-2223	[16]	DOWEL (1" LONG)
6B-6863 C	[4]	DOWEL (50" LONG)
		(Parts of 3N6988 & 3N6990 Assem.)
2N-5120	[10]	STUD
3S-1356	[10]	NUT
		(Parts of 3N6988 & 3N6990 Assem.)
2N-7194	[3]	CAP
		(Part of 3N6988 & 3N6990 Assem.)
3N-6988	[1]	BLOCK ASSEM.
		(For Use With Compression Release)
		-OR-
3N-6990	[1]	BLOCK ASSEM.
		(For Use Without Compression Release)
5H-4279	[4]	PLUG
1H-8645	[2]	SCREW
2A-3278	[2]	GASKET
		(PARTS OF 3N6988 ASSEM.)
4L-7586	[1]	GASKET
5M-6213	[2]	PLUG
		(Part of 3N6988 & 3N6990 Assem.)
4L-3395	[2]	DOWEL
7L-2593	[1]	SHAFT ASSEM.
7F-9504	[2]	DOWEL
4F-2609	[1]	PIN (437" LONG)
3F-6795	[1]	PIN
		(Parts of 3N6988 & 3N6990 Assem.)

Information:

BASIC ENGINE

CYLINDER HEAD GP

Engine News

New Exhaust Valve And Valve Guide
1979/03/07

New Exhaust Valve Has Improved Three-Piece Construction
1979/04/25

Too Much Clearance For Exhaust Valves Can Cause Wear To The Camshaft Lobes And Valve Lifters
1980/01/09

New Exhaust Valve For Special Engine Applications
1980/01/09

New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear
1981/04/01

Bolts Now Used Instead Of Studs To Hold Cylinder Heads
1982/05/12

Use Caution During Replacement Of Damaged Nozzle Adapters Or Precombustion Chambers
1983/01/19

Engine Valve Stem "Use Again" Specifications
1983/03/16

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/10/26

A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures" Is Available
1985/03/01

Determining The Cause Of Glow Plug Tip Failures
1986/06/01

Valve Lash Adjustment Interval Is Changed
1986/07/01

New Camshaft And Lifter Kits Available For Slipper Type Cam Followers (Valve Lifters)
1989/12/01

New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01

Reworking Diesel And Gas Cylinder Heads On 6.25 Bore V Engines {1101}
1994/09/01

Exhaust Valve Guides With A Counterbore Are Now Available
1977/01/28

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25

Tolerance Added To Valve Clearance Specifications
1978/01/18

Use Again Specifications For Valve Springs Are Changed
1978/03/01

Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03

Special Instruction

Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}

Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}

Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}

Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}

Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}

Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}

Service Letter-NACD

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Service Letter-Australia

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Service Letter-CFEL

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Service Letter-CSARL

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Service Letter-Americas

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Service Letter-Truck/Ag/Marine

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

Specifications

Valves
D399, G399, D398, G398, D379, G379 ENGINES

Valve Guide And Seat Inserts
D399, G399, D398, G398, D379, G379 ENGINES

Cylinder Head
D399, G399, D398, G398, D379, G379 ENGINES

Cylinder Head
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Valves
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Tool Operating Manual

{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}

Service Letter-China

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Service Letter-Asia

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Reuse And Salvage Guidelines

Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}

Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}

Applied Failure Analysis

Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}

Information Release Memo

APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Service Letter-APD

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK

0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock

Disassembly and Assembly

Precombustion Chambers
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Cylinder Heads
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Valves
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Valve Guides
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Valve Seat Inserts
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Water Directors
D379, D398, D399 INDUSTRIAL & MARINE ENGINES

Service Magazine

New Exhaust Valve For Special Engine Applications {1104,1105}
1980/01/07

New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear{1104,1105,1101,1103,1108,1109}
1981/03/16

New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear{1104,1105,1101,1103,1108,1109}
1981/06/29

Bolts Now Used Instead Of Studs To Hold Cylinder Heads{1101,1201}
1982/05/10

Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06

New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29

Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17

Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07

New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17

Exhaust Valve Guides With A Counterbore Are Now Available{1104}
1977/01/24

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16

Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22

Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30

Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06

New Exhaust Valve And Valve Guide{1104,1105}
1979/02/19

New Exhaust Valve Has Improved Three-Piece Construction{1105}
1979/04/09

A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28

Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27

Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17

Too Much Clearance For Exhaust Valves Can Cause Wear To The Camshaft Lobes And Valve Lifters{1105,1210,1209}
1979/12/24

New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08

Caterpillar Parts SIS Catalog D379 :

Truck sale:

CATERPILLAR D379 1988
- STATIONARY - DIESEL
ZEPPELIN POWER SYSTEMS
Am Holzhafen 7 - Bremen -

CAT D379

Jeff Martin Auctioneers
Stanton, Texas

Call

1980 CAT D379

Empire Power Systems
PHOENIX, Arizona