8N7103 CRANKSHAFT GROUP S/N 50Y521-645 3512 MARINE ENGINE

BASIC ENGINE

CRANKSHAFT GP

0. 8N-7103 CRANKSHAFT
1. 8N-7103 CRANKSHAFT
2. 7N-1854 SEAL GP-CR
3. CRANKSHAFT
4. 7N-1854 SEAL GP-CR

CAMSHAFT GP

5. 8N-7661 CAMSHAFT G
6. 8N-7661 CAMSHAFT G
7. 4W-9712 CAMSHAFT G

PISTON & ROD GP

8. 4W-7573 PISTON & R
9. 8N-7952 PISTON & R
0. INFORMATION

MARINE ENGINE 3512 MARINE ENGINE 50Y
3512 MARINE ENGINE 50Y00001-00646 SEBP1314 3512 50Y (1980)

BASIC ENGINE

CRANKSHAFT GP

8N-7103 CRANKSHAFT GP

7N-1854 SEAL GP-CRANKSHAFT

CRANKSHAFT BEARING REPLACEMENTS

7N-1854 SEAL GP-CRANKSHAFT

#SEBP13140030

8N-7103: CRANKSHAFT GP

CRANKSHAFT GP

8N7103 CRANKSHAFT GROUP
S/N 50Y521-645

c320504 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-5001 C	[1]	CRANKSHAFT AS.
2.	4W-6358	[36]	BOLT
	7N-2003	[24]	DOWEL
3.	2W-0646 C	[2]	PLATE (THRUST)
4.	4W-5704 C	[7]	BEARING (CRANKSHAFT)
5.	2W-2288 C	[6]	PLUG
	C		INDICATES CHANGE

#SEBP13140031

8N-7103: CRANKSHAFT GP

CRANKSHAFT GP

8N7103 CRANKSHAFT GROUP
SERIAL NO. 50Y646-UP

c413161 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-0214 RC	[1]	CRANKSHAFT AS
2.	4W-6358	[36]	BOLT - 12 PT HEAD
	7N-2003	[24]	DOWEL
3.	2W-2288 C	[6]	PLUG
4.	4W-5704	[7]	BEARING-MAIN
			(crankshaft)
5.	2W-0646 C	[2]	PLATE-THRUST
	C		INDICATES CHANGE
	R		REMFG PART MAY BE AVAILABLE

#SEBP13140032

7N-1854: SEAL GP-CRANKSHAFT

SEAL GP-CRANKSHAFT

7N1854 CRANKSHAFT SEAL GROUP
SERIAL NO. 50Y1 TO 50Y424 INCLUSIVE

c235481 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-5204 C	[1]	ADAPTER
2.	1N-4580 C	[1]	SEAL GROUP
3.	3S-3074	[2]	SEAL
4.	1T-0416 C	[8]	BOLT
	C		INDICATES CHANGE

#SEBP13140033

CRANKSHAFT BEARING REPLACEMENTS

SEBP13140033 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
		CYLINDER BLOCK NOT REBORED
		----------------------------------------
		CRANKSHAFT GROUND FOR UNDERSIZE
		MAIN BEARING I.D. OF:
4W-5705	[5]	0.63 MM
4W-5706	[5]	1.27 MM
		----------------------------------------
		CYLINDER BLOCK REBORED (.635 MM)
		(FOR BEARING OVERSIZE O.D.)
		----------------------------------------
		CRANKSHAFT GROUND FOR UNDERSIZE
		MAIN BEARING I.D. OF:
4W-5707	[5]	0 (STANDARD)
4W-5708	[5]	0.63 MM
		----------------------------------------

		O.D. = OUTSIDE DIAMETER
		I.D. = INSIDE DIAMETER

#SEBP13140034

7N-1854: SEAL GP-CRANKSHAFT

SEAL GP-CRANKSHAFT

7N1854 CRANKSHAFT SEAL GROUP
SERIAL NO. 50Y425-UP

c534054 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-6977 L	[1]	SEAL GP-CRANKSHAFT
	1W-5204	[1]	ADAPTER-SEAL
2.	1W-6974 J	[1]	SEAL GP-CRANKSHAFT
	1W-5204	[1]	ADAPTER-SEAL
3.	1T-0416	[8]	BOLT
4.	3S-3074	[2]	SEAL-O-RING

			L - INSTALL IN FLYWHEEL
			HSG ON STD ROTATION
			ENGINES & IN FRONT HSG
			ON REVERSE ROTATION
			ENGINES

			J - INSTALL IN FRONT HSG
			ON STD ROTATION ENGINES
			& IN FLYWHEEL HSG ON
			REVERSE ROTATION ENGINES

#SEBP13140035

8N-7661: CAMSHAFT GP-DOUBLE

CAMSHAFT GP-DOUBLE

8N7661 CAMSHAFT GROUP
SERIAL NO. 50Y1 TO 50Y558 INCLUSIVE
ALSO PART OF 4W2161 & 4W2160 CONVERSION ARRANGEMENTS

c303993 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-3218	[2]	WASHER
2.	0L-1351	[4]	BOLT
3.	8N-7656	[1]	CAMSHAFT (rear L.H.)
4.	7N-3216	[2]	SPACER
5.	8N-7655	[1]	CAMSHAFT (front L.H.)
6.	4N-1650	[2]	DOWEL
7.	8N-7657	[1]	CAMSHAFT (front R.H.)
8.	5P-0076	[16]	BOLT
9.	8N-7658	[1]	CAMSHAFT (rear R.H.)

#SEBP13140036

8N-7661: CAMSHAFT GP-DOUBLE

CAMSHAFT GP-DOUBLE

8N7661 CAMSHAFT GROUP
SERIAL NO. 50Y559-UP
ALSO PART OF 4W2161 & 4W2160 CONVERSION ARRANGEMENTS

c321230 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-3218	[2]	WASHER
2.	0L-1351	[4]	BOLT
3.	8N-7656	[1]	CAMSHAFT (REAR L.H.)
4.	7N-3216	[2]	SPACER
5.	8N-7655	[1]	CAMSHAFT (FRONT L.H.)
6.	4N-1650	[2]	DOWEL
7.	8N-7657	[1]	CAMSHAFT (FRONT R.H.)
8.	5P-0076	[16]	BOLT
9.	8N-7658	[1]	CAMSHAFT (REAR R.H.)
10.	8N-9991 C	[2]	PLATE AS.
			(each includes)
	1T-0679	[1]	ROLLER
11.	0S-0509 C	[2]	BOLT
	5M-2894 C	[2]	WASHER
	C		INDICATES CHANGE

#SEBP13140037

4W-9712: CAMSHAFT GP-SINGLE

CAMSHAFT GP-SINGLE

4W9712 SINGLE CAMSHAFT GROUP

c412243 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-3218	[2]	WASHER-THRUST
2.	0L-1351	[4]	BOLT
3.	8N-7656	[1]	CAMSHAFT-REAR-LH
4.	7N-3216	[2]	SPACER-CAMSHAFT
5.	8N-7659 C	[1]	CAMSHAFT AS-FRONT-LH
	4N-1650	[1]	DOWEL
6.	0S-0509	[2]	BOLT
	5M-2894	[2]	WASHER
7.	8N-7657	[1]	CAMSHAFT-FRONT-RH
8.	5P-0076	[16]	BOLT-12 POINT HEAD
9.	8N-7660	[1]	CAMSHAFT AS-REAR-RH
	4N-1650	[1]	DOWEL
10.	8N-9991	[2]	PLATE AS-TIMING
			(EACH INCLUDES)
	1T-0679	[1]	ROLLER-FREEWHEEL
	C		CHANGE FROM PREVIOUS TYPE

#SEBP13140038

4W-7573: PISTON & ROD GP

PISTON & ROD GP

4W7573 ROD CONNECTING ROD AND PISTON GROUP-12 REQUIRED
SERIAL NO. 50Y559-UP
{FOR USE WITH 3500 ENGINE STANDBY GENERATOR SETS}
AN ATTACHMENT

c322541 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4W-7402	[1]	BODY AS-PISTON
2.	8N-1233	[1]	RING-PISTON (TOP)
3.	8N-7810	[1]	RING-PISTON (INTERMEDIATE)
4.	8N-1442	[1]	RING-PISTON (OIL)
5.	4W-7403	[1]	PIN-PISTON
6.	8N-7296	[2]	RETAINER-PIN
7.	1W-4800	[1]	ROD AS-CONNECTING
8.	7N-2405	[4]	BOLT-CONNECTING ROD
9.	7N-2043	[1]	PIN-DOWEL
10.	1W-9166	[1]	BEARING-SLEEVE
11.	1W-7538	[1]	BEARING-CONNECTING ROD (STANDARD)
	4W-5709 A	[1]	BEARING-CONNECTING ROD .635MM(.025IN)U.S.
	4W-5710 A	[1]	BEARING-CONNECTING ROD 1.27MM(.050IN)U.S.
	4W-5711 A	[1]	BEARING-CONNECTING ROD .254MM(.010IN)O.S.
	4W-5712 A	[1]	BEARING-CONNECTING ROD .635MM(.025IN)U.S.
			.254MM(.010IN)O.S.
	4W-5713 A	[1]	BEARING-CONNECTING ROD 1.27MM(.050IN)U.S.
			.254MM(.010IN)O.S.
	A		NOT PART OF THIS GROUP

#SEBP13140039

8N-7952: PISTON & ROD GP

PISTON & ROD GP

8N7952 CONNECTING ROD AND PISTON GROUP-12 REQUIRED

c341223 SEBP1314

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8N-7963	[1]	PISTON GP
	4W-7402 C	[1]	BODY AS-PISTON
2.	8N-1233	[1]	RING-PISTON (TOP)
3.	8N-7810	[1]	RING-PISTON (INTERMEDIATE)
4.	7W-2221 C	[1]	RING (OIL)
5.	7N-2393	[1]	PIN-PISTON
6.	8N-7296	[2]	RETAINER-PIN
7.	1W-4800 C	[1]	ROD AS-CONNECTING
8.	7N-2405	[4]	BOLT-CONNECTING ROD
9.	7N-2043	[1]	PIN-DOWEL
10.	1W-9166 C	[1]	BEARING-SLEEVE
11.	7N-2394	[1]	BEARING-CONNECTING ROD (STANDARD)
	1N-4071 BA	[1]	BEARING-ROD
			.635MM(.025IN.)U.S.
	1N-4072 BA	[1]	BEARING-ROD
			1.27MM(.050IN.)U.S.
	1N-4073 BA	[1]	BEARING-ROD
			.254MM(.010IN.)O.S.
	1N-4074 BA	[1]	BEARING-ROD
			.635MM(.025IN.)U.S.
			.254MM(.010IN.)O.S.
	1N-4075 BA	[1]	BEARING-ROD
			1.27MM(.050IN.)U.S.
			.254MM(.010IN.)O.S.
	1N-3967 BA	[1]	RING GP-PISTON
			(CONSISTS OF COMPLETE
			SET OF RINGS FOR
			ONE PISTON)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

Information:

BASIC ENGINE

CRANKSHAFT GP

Engine News

New Bend Specification For Used Or Field Reground Crankshafts
1980/08/13

6V3143 Distorter Adapter Available For Use With 5P7409 Wear Sleeve Distorter For Removal Of Crankshaft Wear Sleeves
1980/09/10

New Tools Available For Installation Of Crankshaft Seals And Wear Sleeves
1980/10/22

Use 6V6035 Hardness Tester On Crankshafts
1982/02/24

Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks
1983/05/25

Crankshaft Failures
1983/11/30

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

Remanufactured Undersize Crankshafts Are Available
1984/04/11

Why Choose Caterpillar Remanufactured Crankshafts? Because We Offer More ...
1985/09/01

Flange-Type Bushing Kits Available For Later Crankshaft Pulleys
1986/01/01

Standard Diameter Crankshafts Meeting Marine Society Approval Requirements Are Available Through Caterpillar Remanufactured Products Program
1986/07/01

Caterpillar Crankshaft Heat Code Locations
1986/11/01

Use Of Crankshaft Seal Adapter Eliminated
1987/07/01

New Wear Sleeve Available For Alternator Drive Pulley
1988/02/01

New Crankshaft Seal Adapter O-Ring Seal Is Made Of Higher Temperature Material
1989/02/01

New Crankshaft Thrust Plate Made Of Brass
1989/05/01

Crankshaft Wear Sleeve Has Smaller Inside Diameter{1160,1161}
1991/03/01

New Cylinder Blocks And Crankshafts Used
1991/04/01

New Crankshafts With Induction Hardened Fillets
1993/07/01

Service Life of Crankshaft Gears Can Be Extended
1993/07/01

Improved Crankshaft Seal Groups Used
1993/10/01

Remanufactured Crankshaft Interchangeability; Remanufactured "Upgrade To New" (UTN) Availability {1202}
1994/10/01

New Crankshaft Damper Assembly Used {1205}
1995/04/01

Numbering The Crankshaft To Match Counterweights{1202,1231}
1995/10/01

New Counterweight Bolt Assembly Replaces Bolt And Washer {1231}
1998/07/01

Change In Location And Size Of Crankshaft Counterweight Sequence Number{1231,1202}
1998/12/01

Use 155-8795 Crankshaft Gauge To Determine Distortion And Bearing Alignment{1202}
1999/01/01

New Camshaft Cover Seal, Crankshaft Cover Seal, And Valve Cover Seal Help Prevent Oil Leaks {1107,1150,1200}
1999/06/01

Be Sure To Use The Correct Procedure To Remove The Rear Crankshaft Seal And Wear Sleeve{1161}
1999/09/01

Be Sure To Check The Counterweights On The Engine Crankshaft For Counterweight Sequence Numbers {1231}
2001/08/01

New Main Bearings Provide Improved Bearing Retention in the Cylinder Block {1203}
2001/09/01

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

Important Notice on Installation of Crankshaft Seals and Wear Sleeves {1160, 1161}
2009/02/23

New Front and Rear Crankshaft Seals Are Now Used on Certain 3500 and G3500 Engines {1160, 1161}
2015/02/20

New Crankshaft Seals Are Not Compatible with the Front Adapter on Certain 3500 Mechanical Unit Injection Engines {1160}
New Crankshaft Seals Are Not Compatible with the Front Adapter on Certain 3500 Mechanical Unit Injection Engines {1160}

New Preservation Process for Crankshafts is Now Used for 3500, G3500, and C175-16 Series Engines {1202}
New Preservation Process for Crankshafts is Now Used for 3500, G3500, and C175-16 Series Engines {1202}

Special Instruction

Using 6V9433 Crankshaft Removal Group{1000, 1202}
Using 6V9433 Crankshaft Removal Group{1000, 1202}

Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}
Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}

Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}

Inspection of Crankshaft Main Bearings{1203}
Inspection of Crankshaft Main Bearings{1203}

Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}

Installation Of Seal Groups With Hydrodynamic Grooves In the Seal Lip{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In the Seal Lip{1160, 1161}

Special Handling Information And Installation Instructions For Crankshaft Seal Groups That Have Hydrodynamic Grooves In The Sealing Lip{1160, 1161}
Special Handling Information And Installation Instructions For Crankshaft Seal Groups That Have Hydrodynamic Grooves In The Sealing Lip{1160, 1161}

Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}

Crankshaft Seal Installation Procedure Using the 484-7863 Tool As On Certain 3500 and G3500 Engines{0701, 1160, 1161}
Crankshaft Seal Installation Procedure Using the 484-7863 Tool As On Certain 3500 and G3500 Engines{0701, 1160, 1161}

Service Letter-NACD

Product Support Program For Installing New Bolts And Washers For The Crankshaft Counterweights On Certain D11N Tractors; 776B Tractors; 777B, 785, And 789 Trucks; And 3508, 3512, And 3516 Engines
Product Support Program For Installing New Bolts And Washers For The Crankshaft Counterweights On Certain D11N Tractors; 776B Tractors; 777B, 785, And 789 Trucks; And 3508, 3512, And 3516 Engines

Product Support Program For Repairing Engines That Fail Due To Cracked Main Bearing Caps On Certain 3508, 3512 And 3516 Engines Used In Off-Highway Trucks, Track-Type Tractors, Hydraulic Excavators And Wheel Loaders Or Generator Set, Industrial, Marine, Locomotive, Marine, Auxiliary And Vehicular Applications
Product Support Program For Repairing Engines That Fail Due To Cracked Main Bearing Caps On Certain 3508, 3512 And 3516 Engines Used In Off-Highway Trucks, Track-Type Tractors, Hydraulic Excavators And Wheel Loaders Or Generator Set, Industrial, Marine, Locomotive, Marine, Auxiliary And Vehicular Applications

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Technical Information Bulletin

Incorrectly Marked Crankshaft Counterweights on 3500 Engines and on G3500 Engines{1202}
Incorrectly Marked Crankshaft Counterweights on 3500 Engines and on G3500 Engines{1202}

Documenting the Date Codes of the Bearings for 3500 and G3600 Engines{1202, 1225}
Documenting the Date Codes of the Bearings for 3500 and G3600 Engines{1202, 1225}

Identifying Connecting Rod Bearings and Main Bearings that Must Not Be Used on 3500 and G3600 Engines{1202, 1225, 1230}
Identifying Connecting Rod Bearings and Main Bearings that Must Not Be Used on 3500 and G3600 Engines{1202, 1225, 1230}

Failure of the Connecting Rod Bearings on 3500 and 3600 Engines Due to Delamination {1219, 1225}
Failure of the Connecting Rod Bearings on 3500 and 3600 Engines Due to Delamination {1219, 1225}

Crankshaft Seal May Fail and Leak Oil on All 3500 and G3500 Engines {1000, 1160, 1161, 7555}
Crankshaft Seal May Fail and Leak Oil on All 3500 and G3500 Engines {1000, 1160, 1161, 7555}

Specifications

Crankshaft Wear Sleeves And Seals
SUPPLEMENT FOR UPRATED 3500 ENGINES

Crankshaft Wear Sleeves and Seals
3500 Marine Engines

Connecting Rod and Main Bearing Journals
3500 Marine Engines

Crankshaft
3500 Marine Engines

Service Letter-China

Service Letter-Asia

Systems Operation

Crankshaft
3500 Marine Engines

Reuse And Salvage Guidelines

Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}

Reuse and Salvage for Crankshafts {0674, 1202}
Reuse and Salvage for Crankshafts {0674, 1202}

Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}

Reuse and Salvage for Engine Dampers {1202, 1205}
Reuse and Salvage for Engine Dampers {1202, 1205}

Service Letter-APD

Testing and Adjusting

Excessive Bearing Wear - Inspect
3500 Marine Engines

Main Bearings
3500 Marine Engines

Crankshaft Position for Fuel Injector Adjustment and Valve Lash Setting
3500 Marine Engines

Disassembly and Assembly

Crankshaft Vibration Damper (3508 And 3512)
3508, 3512 & 3516 MARINE ENGINES

Crankshaft Vibration Damper (3516)
3508, 3512 & 3516 MARINE ENGINES

Crankshaft Front Seal And Wear Sleeve
3508, 3512 & 3516 MARINE ENGINES

Crankshaft Rear Seal And Wear Sleeve
3508, 3512 & 3516 MARINE ENGINES

Crankshaft Main Bearings
3508, 3512 & 3516 MARINE ENGINES

Camshaft Bearings
3508, 3512 & 3516 MARINE ENGINES

Service Magazine

6V3143 Distorter Adapter Available For Use With 5P7409 Wear Sleeve Distorter For Removal Of Crankshaft Wear Sleeves{0621,1202,1160,1161}
1980/09/08

New Tools Available For Installation Of Crankshaft Seals And Wear Sleeves{0622,1160,1161}
1980/10/13

Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22

Use 6V6035 Hardness Tester On Crankshafts{0651,1202}
1982/02/22

Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03

New Specifications For Installation Of Crankshaft Counterweight Bolts{1202}
1983/02/28

Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks{0622,0675,1201,1202}
1983/05/16

Reuse Of Engine Bearings{1230}
1983/05/16

Crankshaft Failures{1202,1230}
1983/11/21

Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21

Remanufactured Undersize Crankshafts Are Available{1202}
1983/11/21

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

Use Of Impact Wrench To Tighten Counterweight, Main Bearing Cap And Connecting Rod Bolts{1202,1203,1218,1219,1230}
1984/03/12

Different Thread Lubricant Can Be Used On Connecting Rod And Counterweight Bolts{1202,1218}
1984/05/21

Installing New Copper Bonded Bearings Can Extend Engine Life{1230,1203,1219}
1985/04/29

Correct Location And Rotation Of Front Timing Gears{1204,1206}
1985/08/05

Remanufactured Crankshafts Are Available In Standard And Two Undersize Dimensions (U.S. and Canada){1202,7754}
1985/11/18

Bushing Kits Available For Crankshaft Pulleys{1205}
1985/12/16

Standard Diameter Crankshafts Meeting Marine Society Approval Requirements Are Available Through Caterpillar Remanufactured Products Program{1202}
1986/06/23

Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08

Caterpillar Crankshaft Heat Code Locations{1202}
1986/10/20

Crankshaft Support Groups Are Available To Measure Bent Crankshafts{0653,1202}
1977/11/07

Main And Connecting Rod Bearing Part Numbers {1203,1219,1230}
1987/01/26

Use Of Crankshaft Seal Adapter Eliminated {1150,1160,1161}
1987/06/15

Use New Main Bearings In Replacement Cylinder Blocks{1203,1201}
1978/06/12

Change In Procedure To Check Main Bearing Clearance{1203}
1978/08/28

New Wear Sleeve Available For Alternator Drive Pulley{1400,1405}
1988/02/15

New Alternator Drive Pulley Has Hardened Wear Sleeve; New Seal Used On Pulley{1425,1357}
1988/12/12

New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04

New Crankshaft Seal Adapter O-Ring Seal Is Made Of Higher Temperature Material{1160,1161}
1989/01/23

New Cylinder Blocks, Main Bearing Caps, And Main Bearing Cap Bolts Used{1201}
1989/04/03

New Crankshaft Thrust Plate Made Of Brass {1232}
1989/05/08

Different Thread Lubricant Can Be Used On Connecting Rod, Main Bearing Cap And Counterweight Bolts{1203,1225,1231}
1989/11/06

Correct Torque Required For Bolts In Rear Gear Groups; Specification Omitted From Some Service Manuals{1204,1237,7568}
1990/04/02

Crankshaft Wear Sleeve Has Smaller Inside Diameter{1160,1161}
1991/02/25

Rear Gear (Cam Drive) Groups Improved{1206,1201,1212,7551,7552,7553}
1991/05/13

Service Life of Crankshaft Gears Can Be Extended{1204}
1993/07/26

New Main Bearings Have Higher Fatigue Strength {1203,1200}
1993/10/04

Numbering The Crankshaft To Match Counterweights {1202,1231}
1995/10/02

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

40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts {0777, 1202}
2006/01/16

New Copper Lead Main and Connecting Rod Bearings Are Available For All 3500 Diesel Machine Engines {1203, 1219}
2015/01/28

Caterpillar Parts SIS Catalog 3512 :

8N-7103 CRANKSHAFT GP

8N-9640 COVER GP-CYLINDER BLOCK

2W-8245 CYLINDER BLOCK GP

2W-2943 CYLINDER BLOCK AS

2W-0289 CYLINDER BLOCK GP

8N-7103 CRANKSHAFT GP

7N-1854 SEAL GP-CRANKSHAFT

CRANKSHAFT BEARING REPLACEMENTS

7N-1854 SEAL GP-CRANKSHAFT

8N-7661 CAMSHAFT GP-DOUBLE

4W-9712 CAMSHAFT GP-SINGLE

4W-7573 PISTON & ROD 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.