239-0690 CYLINDER HEAD GP S/N 51Y861-UP PART OF 4W-0095 CYLINDER HEAD GP 3512 VEHICULAR ENGINE

BASIC ENGINE

CYLINDER HEAD GP

0. 239-0690 CYLINDER H
1. 239-0692 CYLINDER H
2. 335-6218 CYLINDER H
3. 338-8671 CYLINDER H
4. 4W-0095 CYLINDER H
5. 4W-0095 CYLINDER H
6. 4W-0095 CYLINDER H
7. 4W-0095 CYLINDER H
8. 4W-0095 CYLINDER H
9. 4W-9560 CYLINDER H
0. INFORMATION

VEHICULAR ENGINE 3512 VEHICULAR ENGINE 51Y
3512 Vehicular Engine 51Y00513-UP SEBP1572 3512 51Y (1980)

BASIC ENGINE

CYLINDER HEAD GP

203-2170 CYLINDER HEAD GP

239-0690 CYLINDER HEAD GP

239-0692 CYLINDER HEAD GP

335-6218 CYLINDER HEAD GP

338-8671 CYLINDER HEAD GP

#SEBP15720090

239-0690: CYLINDER HEAD GP

CYLINDER HEAD GP

239-0690 CYLINDER HEAD GP
S/N 51Y861-UP
PART OF 4W-0095 CYLINDER HEAD GP

i02055172 SEBP1572

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Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-4429	[4]	LOCK-RETAINER
2.	133-9306	[2]	GUIDE-VALVE (STANDARD)(INLET)
	273-3553 AB		GUIDE-VALVE (0.127-MM OS)(INLET)
	273-3554 AB		GUIDE-VALVE (0.25-MM OS)(INLET)
	301-9248 AB		GUIDE-VALVE (0.38-MM THK)(INLET)
	149-1982 AB		GUIDE-VALVE (0.508-MM OS)(INLET)
3.	172-0834 Y	[1]	CYLINDER HEAD AS
4.	194-4897	[2]	VALVE-EXHAUST
5.	281-6157	[4]	SPRING (OUTER)
6.	194-4902	[4]	SPRING-VALVE (INNER)
7.	197-6995	[2]	GUIDE-VALVE (STANDARD)(EXHAUST)
	276-3875 AB		GUIDE-VALVE (0.127-MM OS)(EXHAUST)
	276-3876 AB		GUIDE-VALVE (0.25-MM OS)(EXHAUST)
8.	197-7006	[2]	SEAL-VALVE STEM
9.	197-7055	[4]	LOCK-RETAINER
10.	197-7062	[2]	ROTOCOIL AS (INLET)
11.	197-7063	[2]	ROTOCOIL AS (EXHAUST)
12.	209-0962	[2]	WASHER (17.8X45X7.29-MM THK)
13.	210-2542	[2]	VALVE-INLET
14.	239-0689	[1]	DOWEL
15.	8T-6759 B	[1]	PLUG-PIPE
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720091

239-0692: CYLINDER HEAD GP

CYLINDER HEAD GP

239-0692 CYLINDER HEAD GP
S/N 51Y861-886
PART OF 203-2170 CYLINDER HEAD GP
FIELD REPLACEMENT ORDER @@@@@338-8671@@@@@
AN ATTACHMENT

i02089987 SEBP1572

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Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-4429	[4]	LOCK-RETAINER
2.	133-9306	[2]	GUIDE-VALVE (STANDARD)(INLET)
	149-1982 AB		GUIDE-VALVE (0.508-MM OS)(INLET)
	273-3553 AB		GUIDE-VALVE (0.127-MM OS)(INLET)
	273-3554 AB		GUIDE-VALVE (0.25-MM OS)(INLET)
	301-9248 AB		GUIDE-VALVE (0.38-MM THK)(INLET)
3.	172-0836 Y	[1]	CYLINDER HEAD GP
4.	194-4897	[2]	VALVE-EXHAUST
5.	194-4902	[4]	SPRING-VALVE (INNER)
6.	197-6995	[2]	GUIDE-VALVE (STANDARD)(EXHAUST)
	276-3875 AB		GUIDE-VALVE (0.127-MM OS)(EXHAUST)
	276-3876 AB		GUIDE-VALVE (0.25-MM OS)(EXHAUST)
7.	197-7006	[2]	SEAL-VALVE STEM (INLET)
8.	197-7055	[4]	LOCK-RETAINER
9.	197-7062	[2]	ROTOCOIL AS (INLET)
10.	209-0962	[2]	WASHER (17.8X45X7.29-MM THK)
11.	210-2542	[2]	VALVE-INLET
12.	197-7063	[2]	ROTOCOIL AS (EXHAUST)
12A.	234-8776	[2]	SHIELD-OIL
13.	281-6157	[4]	SPRING (OUTER)
14.	8T-6759	[1]	PLUG-PIPE
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720092

335-6218: CYLINDER HEAD GP

CYLINDER HEAD GP

335-6218 CYLINDER HEAD GP
S/N 51Y886-UP
PART OF 4W-0095 CYLINDER HEAD GP
FOR USE WITH @@@@@452-9918@@@@@

i03370061 SEBP1572

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Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-4429	[4]	LOCK-RETAINER
2.	133-9306	[2]	GUIDE-VALVE (STANDARD)
	149-1982 AB		GUIDE-VALVE (0.508-MM OS)
	273-3553 AB		GUIDE-VALVE (0.127-MM OS)
	273-3554 AB		GUIDE-VALVE (0.25-MM OS)
	301-9248 AB		GUIDE-VALVE (0.38-MM THK)
3.	172-0834 Y	[1]	CYLINDER HEAD AS
4.	443-2712	[2]	VALVE-EXHAUST
5.	197-6995	[2]	GUIDE-VALVE (STANDARD)
	276-3875 AB		GUIDE-VALVE (0.127-MM OS)
	276-3876 AB		GUIDE-VALVE (0.25-MM OS)
	320-7710 AB		GUIDE-VALVE (0.381-MM OS, EXHAUST)
	320-7711 AB		GUIDE-VALVE (0.508-MM OS, EXHAUST)
6.	197-7055	[4]	LOCK-RETAINER
7.	210-2542	[2]	VALVE-INLET
8.	239-0689	[1]	DOWEL
9.	316-5976	[4]	SPRING (OUTER)
10.	316-5977	[4]	SPRING (INNER)
11.	316-5978	[2]	ROTOCOIL AS (INLET)
12.	316-5979	[2]	ROTOCOIL AS (EXHAUST)
13.	316-5980	[2]	SEAL-VALVE STEM
14.	316-5981	[2]	WASHER (17.8X44.5X3-MM THK)
15.	8T-6759	[1]	PLUG-PIPE
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720093

338-8671: CYLINDER HEAD GP

CYLINDER HEAD GP

338-8671 CYLINDER HEAD GP
S/N 51Y887-UP
PART OF 203-2170 CYLINDER HEAD GP
FIELD REPLACEMENT FOR @@@@@239-0692@@@@@
AN ATTACHMENT

i03619302 SEBP1572

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Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-4429	[4]	LOCK-RETAINER
2.	133-9306	[2]	GUIDE-VALVE (STANDARD)
	149-1982 AB		GUIDE-VALVE (0.508-MM OS)
	273-3553 AB		GUIDE-VALVE (0.127-MM OS)
	273-3554 AB		GUIDE-VALVE (0.25-MM OS)
	301-9248 AB		GUIDE-VALVE (0.38-MM THK)
3.	172-0836 Y	[1]	CYLINDER HEAD GP
4.	468-8825	[2]	VALVE-EXHAUST
5.	197-6995	[2]	GUIDE-VALVE (STANDARD)
	276-3875 AB		GUIDE-VALVE (0.127-MM OS)
	276-3876 AB		GUIDE-VALVE (0.25-MM OS)
	320-7710 AB		GUIDE-VALVE (0.381-MM OS, EXHAUST)
	320-7711 AB		GUIDE-VALVE (0.508-MM OS, EXHAUST)
6.	197-7055	[4]	LOCK-RETAINER
7.	468-8824	[2]	VALVE-INLET
8.	234-8776	[2]	SHIELD-OIL
9.	316-5976	[4]	SPRING (OUTER)
10.	316-5977	[4]	SPRING (INNER)
11.	316-5978	[2]	ROTOCOIL AS (INLET)
12.	316-5979	[2]	ROTOCOIL AS (EXHAUST)
13.	316-5980	[2]	SEAL-VALVE STEM
14.	316-5981	[2]	WASHER (17.8X44.5X3-MM THK)
15.	8T-6759	[1]	PLUG-PIPE
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720094

4W-0095: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP
S/N 51Y513-740

i00091549 SEBP1572

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Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-1961 C	[8]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
2.	5P-8248	[8]	WASHER-HARD (20X36.5X3.5-MM THK)
3.	9Y-0635 C	[2]	SPACER (19.35X30.18X45-MM THK)
4.	4W-9560 Y	[1]	CYLINDER HEAD GP
5.	0L-2070	[2]	BOLT (3/8-16X2.25-IN)
6.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
7.	110-6991 C	[1]	GASKET-CYLINDER HEAD
8.	6I-1357	[4]	SEAL
9.	6I-1356	[4]	SEAL
10.	5B-7890 B	[1]	PLUG-PIPE
11.	8T-6759 B	[1]	PLUG-PIPE
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720095

4W-0095: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP
S/N 51Y741-834

i00378126 SEBP1572

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Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5B-7890 B	[1]	PLUG-PIPE
2.	4W-9560 Y	[1]	CYLINDER HEAD GP
3.	131-0420 C	[6]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	5P-8248	[1]	WASHER-HARD (20X36.5X3.5-MM THK)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
4.	131-0421	[2]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	5P-8248	[1]	WASHER-HARD (20X36.5X3.5-MM THK)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
	9Y-0635	[1]	SPACER (19.35X30.18X45-MM THK)
6.	5B-0213 C	[2]	BOLT (3/8-16X2.375-IN)
7.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
8.	110-6991	[1]	GASKET-CYLINDER HEAD
9.	126-1113	[4]	SEAL
10.	126-1112	[4]	SEAL
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720096

4W-0095: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP
S/N 51Y835-860

i01178301 SEBP1572

For full view, you need register

Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5B-7890 B	[1]	PLUG-PIPE
2.	172-0835 CY	[1]	CYLINDER HEAD GP
3.	131-0420	[6]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
	187-7738	[1]	WASHER-HARD (21X36.5X3.5-MM THK)
4.	131-0421	[2]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
	9Y-0635	[1]	SPACER (19.35X30.18X45-MM THK)
	187-7738	[1]	WASHER-HARD (21X36.5X3.5-MM THK)
5.	204-5426	[4]	SEAL (WATER)
6.	5B-0213	[2]	BOLT (3/8-16X2.375-IN)
7.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
8.	110-6991	[1]	GASKET-CYLINDER HEAD
9.	204-5427	[4]	SEAL (WATER)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720097

4W-0095: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP
S/N 51Y861-885

i02055129 SEBP1572

For full view, you need register

Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5B-7890 B	[1]	PLUG-PIPE
2.	239-0690 CY	[1]	CYLINDER HEAD GP
3.	131-0420	[6]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
	187-7738	[1]	WASHER-HARD (21X36.5X3.5-MM THK)
4.	131-0421	[2]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
	9Y-0635	[1]	SPACER (19.35X30.18X45-MM THK)
	187-7738	[1]	WASHER-HARD (21X36.5X3.5-MM THK)
5.	204-5426	[4]	SEAL (WATER)
6.	5B-0213	[2]	BOLT (3/8-16X2.375-IN)
7.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
8.	204-5427	[4]	SEAL (WATER)
9.	110-6991	[1]	GASKET-CYLINDER HEAD
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720098

4W-0095: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP
S/N 51Y886-UP

i03371926 SEBP1572

For full view, you need register

Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5B-7890 B	[1]	PLUG-PIPE
2.	335-6218 CY	[1]	CYLINDER HEAD GP
3.	131-0420	[6]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
	187-7738	[1]	WASHER-HARD (21X36.5X3.5-MM THK)
4.	131-0421	[2]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	7N-1961	[1]	BOLT-12 POINT HEAD (3/4-16X8.5-IN)
	9Y-0635	[1]	SPACER (19.35X30.18X45-MM THK)
	187-7738	[1]	WASHER-HARD (21X36.5X3.5-MM THK)
5.	420-0652	[4]	SEAL AS-WATER
6.	5B-0213	[2]	BOLT (3/8-16X2.375-IN)
7.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
8.	420-0653	[4]	SEAL AS-WATER
9.	110-6991	[1]	GASKET-CYLINDER HEAD
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15720099

4W-9560: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-9560 CYLINDER HEAD GP
S/N 51Y513-601
PART OF 4W-0095 CYLINDER HEAD GP

i00109302 SEBP1572

For full view, you need register

Parts for your 3512 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-4429	[8]	LOCK-RETAINER
2.	7N-7964	[4]	ROTOCOIL AS
3.	7N-1903	[4]	SPRING-VALVE INNER
4.	7N-1904	[4]	SPRING-VALVE OUTER
5.	2W-2662	[4]	SEAT-SPRING
6.	7W-1063	[1]	CYLINDER HEAD AS
7.	7N-1902	[2]	DOWEL
8.	9S-8002	[4]	PLUG (7/16-20-THD)
	3J-7354	[4]	SEAL-O-RING
9.	3B-0623	[5]	PLUG-CUP
10.	3B-0645	[5]	PLUG-CUP
11.	1W-1801	[4]	INSERT-VALVE SEAT
12.	7N-1819	[4]	GUIDE-VALVE
13.	4D-0514 C	[4]	PLUG-PIPE
14.	7C-6217	[4]	VALVE (INLET, EXHAUST)
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE

Information:

BASIC ENGINE

CYLINDER HEAD GP

Engine News

6V4008 Valve Seat Extractor Now Available
1980/12/10

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

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

Changes To Valve Clearance Settings
1983/04/27

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

Crankshaft Positions For Injector Timing And Valve Clearance Settings
1983/11/30

Inspect Camshaft And Lifters After A Failure In The Valve Mechanism Area
1984/01/18

Check Cylinder Heads For Water Passage Plugs
1984/04/11

Improved Valve Mechanism Cover Group Has A New Valve Cover And Seal
1985/01/16

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

Stronger Push Rod Used
1985/08/01

Valve Mechanism Groups Use New Lifter Assemblies
1985/08/01

Check Height Of Locating Dowels Before Installing Cylinder Head
1985/10/01

Checking Or Adjusting Valve Clearances
1986/01/01

Stronger Cylinder Heads Used
1986/02/01

Adjust Bridge Whenever Valve Clearance Adjustments Are Made
1986/04/01

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

Beaded Cylinder Head Gasket Provides A Better Seal For Camshaft Compartment
1986/06/01

Valve Lash Adjustment Interval Is Changed
1986/07/01

Check Oil Drain Hole In 0R2671 or 0R2621 Remanufactured Cylinder Heads If Head Used With Breather
1986/11/01

Improved Injector Clamp Eliminates Interference With Bridge
1987/03/01

Material Changed In Exhaust and Inlet Valves
1987/05/01

Improvements To Prevent Oil Leakage At Cylinder Heads
1987/12/01

Silicone Water Seals Reinstated In Cylinder Heads
1988/08/01

New Rocker Arm Shaft Assembly and Bolts Used
1988/09/01

Improved Valve Lifter Assemblies; Better Insert Retention
1989/02/01

New Inlet/Exhaust Valve With Improved Valve Seat Angle, New Valve Guide, and New Cylinder Head Assemblies Groups With New Inlet Valve Seats
1990/03/01

Valve Lifters Can Be Removed Without Removing Cylinder Heads
1990/07/01

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

Improved 7W7730 Cylinder Head Gasket Provides Better Sealing Capability
1990/11/01

New Cylinder Head Gasket And Higher Cylinder Head Bolt Torque
1990/11/01

Be Sure To Check Inlet Valve Rotocoils After An Engine Overspeed{1109,1105}
1991/03/01

New Rotocoil Used In Cylinder Head Group; New Valve Stem Oil Shield Used In Locomotive Engine Cylinder Head Group{1109,1100}
1991/03/01

Taller Water Seals Used In Cylinder Head Groups
1992/08/01

Correct Identification Of Rocker Arm Assembly Components
1992/10/01

New Spacer Plate Gasket Provides Improved Sealing Around Push Rod Compartment
1992/11/01

New Cylinder Head Bolt Tightening Procedure
1992/12/01

Modifying Former 2W8888 Rocker Arm Shaft For Use With New 8T7581 Rocker Arm Shaft Bolt
1992/12/01

New Water Seals Used In Cylinder Head Groups; New Water Seal Assemblies And O-Ring Seals Used In Insert Kit
1993/02/01

Valve Seat Insert Removal Tools
1993/02/01

Use Molycoat Paste Lubricant On Cylinder Head Bolts
1993/07/01

New Cylinder Head Gasket Used
1993/09/01

Non-Counterbored Valve Guides Used{1104}
1994/03/01

Intake And Exhaust Valve Lash Increased{1105}
1994/07/01

New Cylinder Liner, Spacer Plate, Spacer Plate Gasket, And Cylinder Head Gasket Used {1216,1221,1124}
1994/09/01

New Exhaust Valve With Tapered Stem Used In Engine Cylinder Head Groups{1105}
1995/09/01

New Lifters Improve Roller-To-Camshaft Contact And New Bridges Provide Commonality With 3500B Engines {1102,1121,1209}
1996/08/19

A Chamfer Has Been Added To Some Engine Cylinder Head Bolt Holes To Help Reduce Stress Concentrations And Prevent Cracks {1101}
1996/09/23

Premachined Valve Seat Inserts And Precision Valve Guide Increase Valve Life {1103,1104}
1997/02/17

Improved Water Seal Reduces The Possibility Of Cylinder Head Joint Water Leaks {1100}
1998/01/20

New Valve Lash Adjusting Tool Group Released For All 3500 Engines {0600,1105,1121}
1998/09/01

Use 155-1536 Valve Recession Tool Kit To Determine Valve Wear{1103}
1999/01/01

Bolts, Washers, And Spacers Grouped Into Fastener Groups In Engine Cylinder Head Groups{1100}
1999/02/01

Be Sure The Cylinder Head Bore For the Unit Injector Is Clean When the Unit Injector Is Replaced {1290}
1999/07/01

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

The Oil Seals Have Been Removed From The Exhaust Valves {1100}
2000/12/01

New Water Seals Provide Increased Stability At Higher Temperatures {1100, 1124}
2002/12/01

New Maintenance Intervals for Valve Bridge and Valve Lash Adjustment {1102}
2003/01/01

New Cylinder Head Groups and Valve Mechanisms {1100, 1102, 1121, 1123}
2003/10/01

Oversized Valve Guides are Available {1104}
2005/01/31

Tightness of Bolted Joints with the Torque Turn Procedure {1101, 1202, 1203, 1218}
2005/04/11

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

An Improved Outer Valve Spring is Used {1100, 1108}
2006/01/02

A New Cylinder Head Gasket is Used {1124}
2006/07/24

Make Sure that the Oil Shields are Installed Correctly {1100}
2007/01/01

Use the Correct Parts in the Valve Train {1100}
2007/01/22

Improved Valve Components Are Used {1100, 1108}
2008/12/22

New Exhaust Valves Are Used in Diesel 3500 Commercial Engines {1100, 1105}
2014/01/13

Cat<SUP>®</SUP> Reman Announces the Availability of Remanufactured Cylinder Heads for 3500 and G3500 Engines {1100}
2015/05/01

A New Cylinder Liner Insert Is Now Used On Certain 3500 Engines {1201, 1217}
A New Cylinder Liner Insert Is Now Used On Certain 3500 Engines {1201, 1217}

Special Instruction

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

Installation Of Service Cylinder Head Assembly{1101}
Installation Of Service Cylinder Head Assembly{1101}

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}

Testing for Excessive Cylinder Blowby in 3500 Engines{1000, 1100, 1223}
Testing for Excessive Cylinder Blowby in 3500 Engines{1000, 1100, 1223}

New Cylinder Head and Head Gasket Leak Test Procedure Available for 3500 Engines {1100, 1223}
New Cylinder Head and Head Gasket Leak Test Procedure Available for 3500 Engines {1100, 1223}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPAIRING AN OUTER VALVE SPRING FAILURE ON VARIOUS 3508, 3512, AND 3516 PETROLEUM ENGINES
PRODUCT SUPPORT PROGRAM FOR REPAIRING AN OUTER VALVE SPRING FAILURE ON VARIOUS 3508, 3512, AND 3516 PETROLEUM ENGINES

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE CYLINDER HEAD LIFTING EYE BOLT HOLE ON VARIOUS 3508, 3512, AND 3516 ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE CYLINDER HEAD LIFTING EYE BOLT HOLE ON VARIOUS 3508, 3512, AND 3516 ENGINES

PRODUCT SUPPORT PROGRAM FOR REPAIRING AN OUTER VALVE SPRING FAILURE ON VARIOUS 3508, 3512 AND 3516 PETROLEUM ENGINES
PRODUCT SUPPORT PROGRAM FOR REPAIRING AN OUTER VALVE SPRING FAILURE ON VARIOUS 3508, 3512 AND 3516 PETROLEUM ENGINES

The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines
The Fuel Injector Bore Needs To Be Machined In The Cylinder Heads Of Certain 3508, 3512, And 3516 Engines

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Service Letter-Australia

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Service Letter-CFEL

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Service Letter-CSARL

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Service Letter-Americas

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Service Letter-Brazil

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Service Letter-Truck/Ag/Marine

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Technical Information Bulletin

Installation Of New Cylinder Port Thermocouples
Installation Of New Cylinder Port Thermocouples

Machining Premachined Valve Seat Inserts
Machining Premachined Valve Seat Inserts

Failure of Reused Rotocoils in 3500 Engines{1100}
Failure of Reused Rotocoils in 3500 Engines{1100}

Possible Coolant Leaks in Certain 3500 Cylinder Heads{1100, 1395}
Possible Coolant Leaks in Certain 3500 Cylinder Heads{1100, 1395}

Broken Bolt Survey for all 3500 Engines{1100, 7553}
Broken Bolt Survey for all 3500 Engines{1100, 7553}

Specifications

Valves
3500 VEHICULAR ENGINES

Cylinder Heads
3500 VEHICULAR ENGINES

Tool Operating Manual

421-1011 Valve Recession Tool Group used on G3500 C, E, & H Engines{0374, 0599, 0701, 0703, 1100}
421-1011 Valve Recession Tool Group used on G3500 C, E, & H Engines{0374, 0599, 0701, 0703, 1100}

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

M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}
M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}

Service Letter-China

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Service Letter-Asia

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Reuse And Salvage Guidelines

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

Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}

Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}

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

REMAN 3500 ENGINE CORE ACCEPTANCE CRITERIA REVISION AND OTHER RECENT PRODUCT IMPROVEMENTS
REMAN 3500 ENGINE CORE ACCEPTANCE CRITERIA REVISION AND OTHER RECENT PRODUCT IMPROVEMENTS

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

Service Letter-APD

Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock
Certain 8N6862, 8N6863, 7E2867, And 7E2868 Water Seals Need To Be Removed From Parts Stock

Remove All 8N6862 And 8N6863 Seals From Parts Stock
Remove All 8N6862 And 8N6863 Seals From Parts Stock

Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock
Product Improvement Program For Removing All 1944901 Valve Springs From Dealer Part Stock

Disassembly and Assembly

Cylinder Head Assemblies
3500 VEHICULAR ENGINES

Valves
3500 VEHICULAR ENGINES

Bridge Dowels
3500 VEHICULAR ENGINES

Valve Seat Inserts
3500 VEHICULAR ENGINES

Valve Guides
3500 VEHICULAR ENGINES

Service Magazine

6V4008 Valve Seat Extractor Now Available{1103,0622}
1980/11/24

6V4009 Dowel Driver Available {0622,1101}
1981/03/23

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

Changes To Valve Clearance Settings{0374,1105,1250}
1983/04/25

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

Crankshaft Positions For Injector Timing And Valve Clearance Settings{0374,1104,1290}
1983/11/21

Check Cylinder Heads For Water Passage Plugs{1100,0374}
1984/03/12

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

Check Height Of Locating Dowels Before Installing Cylinder Head{1201}
1985/10/07

Checking Or Adjusting Valve Clearances{1105,1208,1123}
1986/01/13

Stronger Cylinder Heads Used{1100}
1986/01/27

Adjust Bridge Whenever Valve Clearance Adjustments Are Made{1121,1105,1100}
1986/04/07

Beaded Cylinder Head Gasket Provides A Better Seal For Camshaft Compartment{1100}
1986/05/26

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

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

Check Oil Drain Hole In OR2671 Or OR2621 Remanufactured Cylinder Heads If Head Used With Breather{1100,1300,1317}
1986/10/27

Avoid Oil Contact With New Water Passage Seals Used In Cylinder Head Groups{1100}
1986/12/15

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

Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30

Material Changed In Exhaust and Inlet Valves{1105}
1987/04/20

Improvements To Prevent Oil Leakage At Cylinder Heads{1100,1221}
1987/11/23

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 Socket In Valve Rocker Arms Provides Lubrication For Inlet Valve Seats {1103,1105,1123}
1988/04/25

Silicone Water Seals Reinstated In Cylinder Heads{1115,1300}
1988/08/01

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

Improved Valve Lifter Assemblies; Better Insert Retention{1112}
1989/02/13

New Inlet/Exhaust Valve With Improved Valve Seat Angle, New Valve Guide, New Cylinder Head Assemblies With New Inlet Valve Seats {1100,1103,1104,1105}
1990/02/26

Valve Lifters Can Be Removed Without Removing Cylinder Heads {1112}
1990/07/02

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

New Cylinder Head Gasket And Higher Cylinder Head Bolt Torque{1124,1101}
1990/10/29

Improved 7W7730 Cylinder Head Gasket Provides Better Sealing Capability{1124}
1990/10/29

Be Sure To Check Inlet Valve Rotocoils After An Engine Overspeed{1109,1105}
1991/01/28

New Rotocoil Used In Cylinder Head Group; New Valve Stem Oil Shield Used In Locomotive Engine Cylinder Head Group{1109,1100}
1991/03/11

Taller Water Seals Used In Cylinder Head Groups {1115}
1992/08/10

New Spacer Plate Gasket Provides Improved Sealing Around Push Rod Compartment{1221}
1992/11/16

New Cylinder Head Bolt Tightening Procedure{1100}
1992/12/21

Modifying Former 2W8888 Rocker Arm Shaft For Use With New 8T7581 Rocker Arm Shaft Bolt{1102}
1992/12/21

Valve Seat Insert Removal Tools {0703,1103}
1993/02/15

New Water Seals Used In Cylinder Head Groups; New Water Seal Assemblies And O-Ring Seals Used In Insert Kit {1115}
1993/02/15

New Cylinder Head Gasket Used{1124}
1993/09/20

New Valve Cover Seals Are Used For Mechanical Unit Injector (MUI) And Electronic Unit Injector (EUI) Engines{1107}
1996/09/30

Quickly And Accurately Set Valve Lash{1105,0766}
1997/01/13

Use 155-1536 Valve Recession Tool Kit To Determine Valve Wear {1103}
1998/11/23

Use 155-8795 Crankshaft Gauge To Determine Distortion {1202}
1998/11/23

Caterpillar Parts SIS Catalog 3512 :

203-2170 CYLINDER HEAD GP

203-2144 CYLINDER HEAD GP

172-0836 CYLINDER HEAD GP

172-0835 CYLINDER HEAD GP

125-7094 CYLINDER HEAD GP

9Y-0055 CYLINDER HEAD AS

239-0692 CYLINDER HEAD GP

335-6218 CYLINDER HEAD GP

338-8671 CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP

Truck sale:

230,416

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

230,416

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

238,453

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

178,974

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

178,974

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.