4W-0095 CYLINDER HEAD GP S/N 97Y759-759 3508 VEHICULAR ENGINE

BASIC ENGINE

CYLINDER HEAD GP

0. 4W-0095 CYLINDER H
1. 4W-9560 CYLINDER H
2. 4W-9560 CYLINDER H
3. 4W-9560 CYLINDER H

DAMPER GP

4. 396-0996 DAMPER GP
5. 8N-7182 DAMPER GP
6. 8N-7182 DAMPER GP

DRIVE GP-ACCESSORY

7. 7N-4871 DRIVE GP-A
8. 7N-4871 DRIVE GP-A
9. 8N-9167 DRIVE GP-A
0. INFORMATION

VEHICULAR ENGINE 3508 VEHICULAR ENGINE 97Y
3508 Engine For Caterpillar Built Machines 97Y00001-UP SEBP1552 3508 97Y (1985)

BASIC ENGINE

CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP

4W-9560 CYLINDER HEAD GP

#SEBP15520080

4W-0095: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-0095 CYLINDER HEAD GP
S/N 97Y759-759

i03371926 SEBP1552

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Parts for your 3508 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

#SEBP15520081

4W-9560: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-9560 CYLINDER HEAD GP
S/N 97Y1-671
PART OF 4W-0095 CYLINDER HEAD GP

i00109302 SEBP1552

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Parts for your 3508 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

#SEBP15520082

4W-9560: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-9560 CYLINDER HEAD GP
S/N 97Y672-715
PART OF 4W-0095 CYLINDER HEAD GP

i00091558 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-4429	[8]	LOCK-RETAINER
2.	4P-2521	[4]	ROTOCOIL AS
3.	7N-1903	[4]	SPRING-VALVE INNER
4.	7N-1904	[4]	SPRING-VALVE OUTER
5.	2W-2662	[4]	SEAT-SPRING
6.	7E-5861 CY	[1]	CYLINDER HEAD AS
7.	7N-1902	[1]	DOWEL
8.	130-2613	[4]	GUIDE-VALVE
	149-1982 AB		GUIDE-VALVE (0.508-MM OS)
	166-5944 AB		GUIDE-VALVE (0.127-MM OS)
9.	7E-4609	[2]	VALVE-INLET
10.	121-9839	[2]	VALVE-EXHAUST
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15520083

4W-9560: CYLINDER HEAD GP

CYLINDER HEAD GP

4W-9560 CYLINDER HEAD GP
S/N 97Y716-UP
PART OF 4W-0095 CYLINDER HEAD GP

i00566318 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2A-4429	[8]	LOCK-RETAINER
2.	137-6856	[4]	SEAL (VALVE STEM)
3.	7E-4609	[2]	VALVE-INLET (INTAKE)
4.	7N-1902	[2]	DOWEL
5.	7N-1903	[4]	SPRING-VALVE INNER
6.	7N-1904	[4]	SPRING-VALVE OUTER
7.	131-0410 CY	[1]	CYLINDER HEAD AS
8.	133-3814	[4]	ROTOCOIL AS
9.	133-9306 C	[4]	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)
10.	121-9839	[2]	VALVE-EXHAUST
11.	8T-6759 B	[1]	PLUG-PIPE
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15520084

396-0996: DAMPER GP

DAMPER GP

396-0996 DAMPER GP
S/N 97Y759-UP

i05800875 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7E-0854	[1]	ADAPTER-DAMPER
2.	393-1578	[1]	DAMPER AS
3.	2M-0849	[10]	WASHER-HARD (13.5X25.5X5-MM THK)
4.	5P-8250	[6]	WASHER (28X49X5-MM THK)
5.	7B-3235	[10]	BOLT (1/2-13X1.375-IN)
6.	8S-4757	[6]	BOLT (1-14X8-IN)

#SEBP15520085

8N-7182: DAMPER GP

DAMPER GP

8N-7182 DAMPER GP
S/N 97Y1-657

i00109514 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1N-3415	[1]	ADAPTER-DAMPER
2.	8N-6392	[1]	DAMPER AS-VIBRATION
3.	7B-3235	[10]	BOLT (1/2-13X1.375-IN)
	2M-0849	[10]	WASHER-HARD (13.5X25.5X5-MM THK)
4.	8S-4757 B	[6]	BOLT (1-14X8-IN)
	5P-8250 B	[6]	WASHER (28X49X5-MM THK)
	B		USE AS REQUIRED

#SEBP15520086

8N-7182: DAMPER GP

DAMPER GP

8N-7182 DAMPER GP
S/N 97Y658-758

i00090789 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7E-0854 C	[1]	ADAPTER-DAMPER
2.	193-3288	[1]	DAMPER AS
3.	8S-4757	[6]	BOLT (1-14X8-IN)
4.	5P-8250	[6]	WASHER (28X49X5-MM THK)
5.	7B-3235	[10]	BOLT (1/2-13X1.375-IN)
6.	2M-0849	[10]	WASHER-HARD (13.5X25.5X5-MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP15520087

7N-4871: DRIVE GP-ACCESSORY

DRIVE GP-ACCESSORY

7N-4871 DRIVE GP-ACCESSORY -UPPER, RH
S/N 97Y1-667
FOR USE WITH 900-1800 RPM
CANNOT BE USED WITH RIGHT HAND GOVERNOR

i00109484 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6H-1717	[2]	BOLT (1/2-13X1.125-IN)
2.	5P-8245	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
3.	8M-1279	[1]	COVER-PROTECTION
4.	7J-8114	[1]	GASKET
5.	7N-5743	[1]	ADAPTER AS
6.	7N-5244	[1]	BUSHING
7.	8M-5255	[1]	SEAL-O-RING
8.	7N-5875	[1]	GEAR-AUXILIARY DRIVE (63-TEETH)
9.	7N-5874	[1]	SHAFT-AUXILIARY DRIVE (14-TEETH)
10.	2B-2695 C	[4]	BOLT (5/16-18X0.875-IN)
11.	9M-1974 C	[4]	WASHER-HARD (8.8X16X2-MM THK)
12.	7N-7539 C	[2]	WASHER-THRUST
13.	1T-0132	[1]	SEAL-O-RING
14.	7N-5279	[1]	ADAPTER AS
15.	7N-5244	[1]	BUSHING
16.	0S-1594	[6]	BOLT (3/8-16X1-IN)
17.	9F-2247 C	[2]	PLUG-PIPE
18.	3B-8453	[1]	SEAL-O-RING
19.	6K-3772	[12]	BOLT-12 POINT HEAD (7/16-14X2.25-IN)
20.	7N-5248	[1]	GEAR-AUXILIARY DRIVE (63-TEETH)
21.	5P-2546	[12]	BOLT-12 POINT HEAD (7/16-14X1.25-IN)
22.	0L-1351	[4]	BOLT (3/8-16X0.875-IN)
23.	4D-0514	[1]	PLUG-PIPE
	2M-4453	[1]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE

#SEBP15520088

7N-4871: DRIVE GP-ACCESSORY

DRIVE GP-ACCESSORY

7N-4871 DRIVE GP-ACCESSORY -UPPER, RH
S/N 97Y668-UP
FOR USE WITH 900-1800 RPM
CANNOT BE USED WITH RIGHT HAND GOVERNOR

i00109485 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-6757 B	[1]	PLUG-PIPE
2.	6V-3348	[1]	SEAL-O-RING
3.	7N-5875	[1]	GEAR-AUXILIARY DRIVE (63-TEETH)
4.	7N-5248	[1]	GEAR-AUXILIARY DRIVE (63-TEETH)
5.	5P-0840	[1]	SEAL-O-RING
6.	7N-5874	[1]	SHAFT-AUXILIARY DRIVE (14-TEETH)
7.	5P-2546	[12]	BOLT-12 POINT HEAD (7/16-14X1.25-IN)
8.	259-4598	[1]	SEAL-O-RING
9.	7J-8114	[1]	GASKET
10.	8P-1438 C	[1]	COVER
11.	0L-1351	[4]	BOLT (3/8-16X0.875-IN)
12.	8T-6759	[1]	PLUG-PIPE
13.	0S-1595 C	[2]	BOLT (1/2-13X1.25-IN)
14.	5P-8245	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
15.	7C-4165	[1]	ADAPTER AS
15A.	127-5400	[1]	BUSHING
16.	2B-2695	[4]	BOLT (5/16-18X0.875-IN)
17.	7N-7539	[2]	WASHER-THRUST
18.	235-3546	[1]	SEAL-O-RING
19.	3B-1915	[6]	BOLT (3/8-16X1.375-IN)
20.	7N-5279	[1]	ADAPTER AS
20A.	127-5400	[1]	BUSHING
21.	6K-3772	[12]	BOLT-12 POINT HEAD (7/16-14X2.25-IN)
22.	9M-1974	[4]	WASHER-HARD (8.8X16X2-MM THK)
23.	8T-6757	[1]	PLUG-PIPE
24.	5M-2894	[6]	WASHER-HARD (10.2X18.5X2.5-MM THK)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

#SEBP15520089

8N-9167: DRIVE GP-ACCESSORY

DRIVE GP-ACCESSORY

8N-9167 DRIVE GP-ACCESSORY -LOWER, LH
STANDARD ROTATION
AN ATTACHMENT

i02292912 SEBP1552

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Parts for your 3508 VEHICULAR ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5R-7136	[1]	WASHER-SEALING
2.	5R-7137	[2]	WASHER-SEALING
3.	7C-3258	[1]	WASHER AS-THRUST
3A.	7N-2047	[1]	DOWEL
4.	7C-3260	[1]	SHAFT
5.	7E-0275	[1]	GEAR-WATER PUMP DRIVE (69-TEETH)
6.	7N-5279	[1]	ADAPTER AS
6A.	127-5400	[1]	BUSHING
7.	7N-5874	[1]	SHAFT-AUXILIARY DRIVE (14-TEETH)
8.	7N-7539	[2]	WASHER-THRUST
9.	7N-8374	[2]	COVER-PUMP
10.	441-3369	[1]	ADAPTER AS
10A.	127-5400	[1]	BUSHING
11.	144-8263 C	[1]	GEAR AS-IDLER (53-TEETH)
11A.	140-9597	[1]	BUSHING
12.	0S-1592	[4]	BOLT (5/8-11X1.25-IN)
13.	3B-1915	[6]	BOLT (3/8-16X1.375-IN)
14.	0T-0055	[1]	BOLT (3/8-16X4.25-IN)
15.	235-3546	[1]	SEAL-O-RING
16.	1T-0765	[6]	BOLT (3/8-16X1-IN)
17.	2B-2695	[4]	BOLT (5/16-18X0.875-IN)
18.	5P-0840	[1]	SEAL-O-RING
19.	6V-3348	[1]	SEAL-O-RING
20.	6V-8260	[2]	SEAL-O-RING
21.	5M-2894	[7]	WASHER-HARD (10.2X18.5X2.5-MM THK)
22.	5P-8245	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
23.	5P-8247	[4]	WASHER-HARD (17X32X3.5-MM THK)
25.	8T-6757	[2]	PLUG-PIPE
26.	8T-6759 C	[2]	PLUG-PIPE
27.	9M-1974	[4]	WASHER-HARD (8.8X16X2-MM THK)
28.	9X-8879	[2]	BOLT (1/2-13X5.5-IN)
29.	6K-3771 B	[12]	BOLT-12 POINT HEAD (7/16-14X1.5-IN)
30.	259-4598	[2]	SEAL-O-RING
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

Information:

BASIC ENGINE

CYLINDER HEAD GP

Engine News

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

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

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

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

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}
2010/10/06

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}
2005/04/18

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}
Cat^® Reman Announces the Availability of Remanufactured Cylinder Heads for 3500 and G3500 Engines {1100}

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}

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

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

The Cylinder Heads Need To Be Inspected For Blockage In The Coolant Outlet On Certain 3508, 3508B, 3512, 3512B, 3516, 3516B, Engines; 777D And 793C Off Highway Trucks
The Cylinder Heads Need To Be Inspected For Blockage In The Coolant Outlet On Certain 3508, 3508B, 3512, 3512B, 3516, 3516B, Engines; 777D And 793C Off Highway Trucks

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

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

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

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

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

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

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

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 3508 :

4W-0095 CYLINDER HEAD GP

338-8671 CYLINDER HEAD GP

335-6218 CYLINDER HEAD GP

239-0692 CYLINDER HEAD GP

239-0690 CYLINDER HEAD GP

4W-9560 CYLINDER HEAD GP

396-0996 DAMPER GP

8N-7182 DAMPER GP

7N-4871 DRIVE GP-ACCESSORY

Truck sale:

61,000

Caterpillar 3508, Stationary Generator Sets, Construction
- Stationary Generator Sets
FOLEY EQUIPMENT COMPANY

307.208

Caterpillar 3508, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
- Stationary Generator Sets
TOROMONT POWER SYSTEMS

84,962

Caterpillar 3508, Industrial engines, Construction
- Industrial engines
FINANZAUTO S.A.

Caterpillar 3508, Marine Propulsion / Auxiliary Engines, Construction

145.548

Caterpillar 3508 PKGI, transportable stromaggregate, Bau-Und Bergbauausrüstung