1W-5915 CYLINDER BLOCK GP S/N 60M1528-2379 3412 MARINE ENGINE

BASIC ENGINE

CYLINDER BLOCK GP

0. 1W-5915 CYLINDER B
1. 1W-5915 CYLINDER B
2. 1W-5915 CYLINDER B
3. 2W-5208 CYLINDER B
4. 4N-2624 CYLINDER B
5. 4N-2624 CYLINDER B
6. 4N-2624 CYLINDER B

CYLINDER HEAD GP

7. 143-0040 CYLINDER H
8. 143-0041 CYLINDER H
9. 143-0046 CYLINDER H
0. INFORMATION

MARINE ENGINE 3412 MARINE ENGINE 60M
3412B Marine Engine 60M00001-05160 SEBP1098 3412 60M (1976)

BASIC ENGINE

CYLINDER BLOCK GP

4N-2638 CYLINDER BLOCK AS

122-8607 CYLINDER BLOCK GP

1W-5915 CYLINDER BLOCK GP

2W-5208 CYLINDER BLOCK GP

#SEBP10980040

1W-5915: CYLINDER BLOCK GP

CYLINDER BLOCK GP

1W-5915 CYLINDER BLOCK GP
S/N 60M1528-2379

i00967543 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7M-7410	[6]	PLUG-PIPE
2.	9S-4190	[8]	PLUG-O-RING (7/8-14-THD)
	2M-9780	[8]	SEAL-O-RING
3.	9F-2247	[7]	PLUG-PIPE
4.	4N-1650	[4]	DOWEL
5.	6N-9135	[2]	GASKET-PLATE
6.	3S-6605	[2]	PLUG-CUP
7.	4N-4501	[2]	PLATE-BLOCK
8.	3B-0645	[1]	PLUG-CUP
9.	4N-9916	[12]	BOLT
10.	4N-9881	[12]	JET AS-PISTON COOLING
11.	4N-0693	[3]	PLUG-TAPERLOCK (1-1/2-12-THD)
12.	7H-3171	[4]	PLUG-PIPE
13.	4N-0683	[4]	DOWEL
14.	8M-8283	[4]	SEAL-O-RING
15.	6N-2155	[1]	CYLINDER BLOCK GP

#SEBP10980041

1W-5915: CYLINDER BLOCK GP

CYLINDER BLOCK GP

1W-5915 CYLINDER BLOCK GP
S/N 60M2380-2404

i00352619 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7M-7410	[6]	PLUG-PIPE
2.	9S-4190	[8]	PLUG-O-RING (7/8-14-THD)
	2M-9780	[8]	SEAL-O-RING
3.	9F-2247	[7]	PLUG-PIPE
4.	4N-1650	[4]	DOWEL
5.	6N-9135	[2]	GASKET-PLATE
6.	3S-6605	[2]	PLUG-CUP
7.	4N-4501	[2]	PLATE-BLOCK
8.	3B-0645	[1]	PLUG-CUP
9.	4N-9916	[12]	BOLT
10.	7W-7496 C	[12]	JET AS-PISTON COOLING
11.	4N-0693	[3]	PLUG-TAPERLOCK (1-1/2-12-THD)
12.	7H-3171	[4]	PLUG-PIPE
13.	4N-0683	[4]	DOWEL
14.	8M-8283	[4]	SEAL-O-RING
15.	4N-2638 CY	[1]	CYLINDER BLOCK AS
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP10980042

1W-5915: CYLINDER BLOCK GP

CYLINDER BLOCK GP

1W-5915 CYLINDER BLOCK GP
S/N 60M2405-5160

i00352621 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-4990	[12]	JET AS-PISTON COOLING
2.	4N-1650	[4]	DOWEL
3.	8T-6763	[4]	PLUG-PIPE (1/4-18-THD)
4.	4N-2638 Y	[1]	CYLINDER BLOCK AS
5.	8T-6757	[6]	PLUG-PIPE
6.	6N-9135	[2]	GASKET-PLATE
7.	6I-4611	[2]	PLATE-SPACER
8.	4N-0693	[3]	PLUG-TAPERLOCK (1-1/2-12-THD)
	7C-9614	[3]	PLUG-TAPERLOCK (1-5/8-12-THD)
9.	4N-0683	[4]	DOWEL
10.	9S-4190	[8]	PLUG-O-RING (7/8-14-THD)
11.	3B-0645	[1]	PLUG-CUP
12.	7C-7407	[1]	STUD
13.	7W-6534	[6]	PLUG-PIPE
14.	8M-8283	[4]	SEAL-O-RING
15.	3S-6605	[2]	PLUG-CUP
16.	7E-6479	[12]	BOLT-SPECIAL (OIL JET)
17.	114-4427	[8]	SEAL-O-RING
	Y		SEPARATE ILLUSTRATION

#SEBP10980043

2W-5208: CYLINDER BLOCK GP

CYLINDER BLOCK GP

2W-5208 CYLINDER BLOCK GP
FIELD REPLACEMENT FOR @@@@@ 4N-2638@@@@@, @@@@@122-8601@@@@@
FIELD INSTALLATION

i00359518 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-6658	[2]	BUSHING (1.3-IN WIDE)
2.	3S-6605	[2]	PLUG-CUP
3.	3B-0645	[1]	PLUG-CUP
4.	8T-6757	[7]	PLUG-PIPE
5.	9S-4190	[8]	PLUG-O-RING (7/8-14-THD)
	114-4427	[8]	SEAL-O-RING
6.	7W-6534	[6]	PLUG-PIPE
7.	7W-6492	[2]	PLUG-PIPE (1/2-14-THD)
8.	4N-0685	[5]	BUSHING (1-IN WIDE)
9.	111-8606	[12]	BOLT-SPECIAL (OIL JET)
10.	7W-4990	[12]	JET AS-PISTON COOLING
11.	4N-0693	[3]	PLUG-TAPERLOCK (1-1/2-12-THD)
	7C-9614	[3]	PLUG-TAPERLOCK (1-5/8-12-THD)
12.	8T-6763	[4]	PLUG-PIPE (1/4-18-THD)
13.	3P-1323	[14]	BOLT-BEARING CAP (7/8-14X7.75-IN)
	9H-1031	[14]	WASHER-HARD (24X41.5X6-MM THK)
14.	4N-5858	[7]	CAP (CRANKSHAFT BEARING)

#SEBP10980044

4N-2624: CYLINDER BLOCK GP

CYLINDER BLOCK GP

4N-2624 CYLINDER BLOCK GP
S/N 60M1-2379

i00969224 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6L-4428	[3]	STUD-TAPERLOCK (3/8-16X4.01-IN)
2.	4N-4501	[2]	PLATE-BLOCK
	6N-9135	[2]	GASKET-PLATE
3.	9L-5854	[12]	BAND-FILLER (130.2-MM ID)
4.	4N-1650	[4]	DOWEL
5.	8M-8283	[4]	SEAL-O-RING
6.	4N-1627	[12]	LINER-CYLINDER BLOCK
7.	2N-6210	[36]	SEAL-O-RING
8.	4N-0683	[4]	DOWEL
9.	4N-2638 Y	[1]	CYLINDER BLOCK AS
	Y		SEPARATE ILLUSTRATION

#SEBP10980045

4N-2624: CYLINDER BLOCK GP

CYLINDER BLOCK GP

4N-2624 CYLINDER BLOCK GP
S/N 60M2380-2403

i00370615 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-7496 C	[12]	JET AS-PISTON COOLING
2.	4N-1650	[4]	DOWEL
3.	7H-3171	[4]	PLUG-PIPE
4.	4N-2638 Y	[1]	CYLINDER BLOCK AS
5.	9F-2247	[7]	PLUG-PIPE
6.	6N-9135	[2]	GASKET-PLATE
7.	4N-4501	[2]	PLATE-BLOCK
8.	4N-0693	[3]	PLUG-TAPERLOCK (1-1/2-12-THD)
9.	4N-0683	[4]	DOWEL
10.	9S-4190	[8]	PLUG-O-RING (7/8-14-THD)
11.	3B-0645	[1]	PLUG-CUP
12.	6L-4428	[3]	STUD-TAPERLOCK (3/8-16X4.01-IN)
13.	7M-7410	[6]	PLUG-PIPE
14.	8M-8283	[4]	SEAL-O-RING
15.	3S-6605	[2]	PLUG-CUP
16.	4N-9916	[12]	BOLT
17.	2M-9780	[8]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP10980046

4N-2624: CYLINDER BLOCK GP

CYLINDER BLOCK GP

4N-2624 CYLINDER BLOCK GP
S/N 60M2404-5160

i00370617 SEBP1098

For full view, you need register

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-4990 C	[12]	JET AS-PISTON COOLING
2.	4N-1650	[4]	DOWEL
3.	8T-6763 C	[4]	PLUG-PIPE (1/4-18-THD)
4.	4N-2638 Y	[1]	CYLINDER BLOCK AS
5.	8T-6757 C	[6]	PLUG-PIPE
6.	6N-9135	[2]	GASKET-PLATE
7.	6I-4611 C	[2]	PLATE-SPACER
8.	4N-0693	[3]	PLUG-TAPERLOCK (1-1/2-12-THD)
			-OR-
	7C-9614	[3]	PLUG-TAPERLOCK (1-5/8-12-THD)
9.	4N-0683	[4]	DOWEL
10.	9S-4190	[8]	PLUG-O-RING (7/8-14-THD)
11.	3B-0645	[1]	PLUG-CUP
12.	6L-4428	[3]	STUD-TAPERLOCK (3/8-16X4.01-IN)
13.	7W-6534	[6]	PLUG-PIPE
14.	8M-8283	[4]	SEAL-O-RING
15.	3S-6605	[2]	PLUG-CUP
16.	7E-6479 C	[12]	BOLT-SPECIAL (OIL JET)
17.	114-4427	[8]	SEAL-O-RING
18.	7C-7407 C	[1]	STUD
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP10980047

143-0040: CYLINDER HEAD AS

CYLINDER HEAD AS

143-0040 CYLINDER HEAD AS
S/N 60M4401-5160
PART OF 143-0041, 7W-2225 CYLINDER HEAD AS
FIELD REPLACEMENT ORDER @@@@@143-0041@@@@@
AN ATTACHMENT

i00566895 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-0645	[6]	PLUG-CUP
2.	4N-5893	[8]	INSERT-VALVE SEAT (INLET)(STANDARD)
	7C-7602 AB		INSERT-VALVE SEAT (0.13-MM OS, INLET)
	7C-7603 AB		INSERT-VALVE SEAT (0.25-MM OS, INLET)
	7C-7604 AB		INSERT-VALVE SEAT (0.51-MM OS, INLET)
	7C-7605 AB		INSERT-VALVE SEAT (0.76-MM OS, INLET)
3.	1W-5283	[8]	INSERT-VALVE SEAT (EXHAUST)(STANDARD)
	7C-5353 AB		INSERT-VALVE SEAT (0.51-MM OS, EXHAUST)
	7C-5354 AB		INSERT-VALVE SEAT (0.76-MM OS, EXHAUST)
4.	3B-0623	[8]	PLUG-CUP
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED

#SEBP10980048

143-0041: CYLINDER HEAD AS

CYLINDER HEAD AS

143-0041 CYLINDER HEAD AS
S/N 60M4401-5160
FIELD REPLACEMENT FOR @@@@@143-0040@@@@@

i00566896 SEBP1098

For full view, you need register

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	143-0040 Y	[1]	CYLINDER HEAD AS
2.	173-7188	[16]	GUIDE-VALVE (STANDARD)
	7C-5306 AB		GUIDE-VALVE (0.51-MM OS)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION

#SEBP10980049

143-0046: CYLINDER HEAD AS

CYLINDER HEAD AS

143-0046 CYLINDER HEAD AS
S/N 60M5160-5160
PART OF 143-0047, 7W-2243 CYLINDER HEAD AS
FIELD REPLACEMENT ORDER @@@@@143-0047@@@@@
ALSO AN ATTACHMENT

i00562988 SEBP1098

For full view, you need register

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-0645	[10]	PLUG-CUP
2.	4N-5893	[12]	INSERT-VALVE SEAT (INLET)(STANDARD)
	7C-7602 AB		INSERT-VALVE SEAT (0.13-MM OS, INLET)
	7C-7603 AB		INSERT-VALVE SEAT (0.25-MM OS, INLET)
	7C-7604 AB		INSERT-VALVE SEAT (0.51-MM OS, INLET)
	7C-7605 AB		INSERT-VALVE SEAT (0.76-MM OS, INLET)
3.	1W-5283	[12]	INSERT-VALVE SEAT (EXHAUST)(STANDARD)
	7C-5353 AB		INSERT-VALVE SEAT (0.51-MM OS, EXHAUST)
	7C-5354 AB		INSERT-VALVE SEAT (0.76-MM OS, EXHAUST)
4.	3B-0623	[12]	PLUG-CUP
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED

Information:

BASIC ENGINE

CYLINDER BLOCK GP

Truck Engine News

The Cylinder Liners Have a New Appearance {1216}
2005/03/01

Engine News

Improved Gasket Now Used Between The Flywheel Housing And The Cylinder Block
1979/05/09

In The Future, Oversize And Undersize Connecting Rod And Main Bearings Will Have Size Identification Marks In Metric Units
1980/07/09

New Connecting Rod And Main Bearings Have A Thicker Coating (Layer) Of Lead-Tin Overlay
1981/01/21

Pipe Plug Added To Rear Of Cylinder Block Prevents Oil Leakage Into Flywheel Housing
1981/03/04

Remove Piston Cooling Tubes Before Removal Of Pistons And Connecting Rods
1981/07/15

Check Bottom Surface Of Cylinder Liner Flange For Erosion And Wear
1981/11/25

New Cylinder Liners And O-Ring Seals Give Longer Seal Life
1981/12/16

Carbon Build-Up In Combustion And Inlet Areas
1982/04/07

Use Correct Part Numbers For Main And Connecting Rod Bearings
1982/05/12

New Crankshaft Main Bearings Used
1982/05/12

Inspection Marks On Bearings
1982/05/12

New Head Gasket Improves Seal Between Block And Liner Flange
1982/10/20

Use FT1711 Light Table For Cylinder Liner Inspection
1982/12/15

New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip
1982/12/15

6V4869 Adapter And 6V6174 Plug Can Be Used To Install Camshaft Bearings
1982/12/15

Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads
1983/01/19

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

Damaged Lifter Bores In 3400 Series Engines Can Be Used Again
1983/07/06

New Liner Seat Insert Available
1983/08/17

New Connecting Rod And Main Bearings Used
1983/11/30

Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads
1984/05/16

New Recommendation For Oil Hole Location During Installation Of Camshaft Bearings
1984/05/16

New Cylinder Block Groups Used
1984/10/03

Install Crankshaft Thrust Bearings Correctly To Avoid Damage
1985/02/01

Substantial Price Reduction For Caterpillar Remanufactured Short Blocks
1985/06/01

Substantial Price Reduction For Caterpillar Remanufactured Short Blocks
1985/08/01

New Cylinder Liner Available
1986/02/01

Main And Connecting Rod Bearing Part Numbers
1987/01/01

3400 Engine Major Component Performance Guide Available
1987/07/01

Mid-Life Bearing Maintenance Recommendations
1987/09/01

New Piston Cooling Jets Used
1987/09/01

New Liner Seat Insert Available
1988/12/01

New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups
1990/12/01

Service Tips For Piston Cooling Jets (Tubes)
1990/12/01

Cylinder Kits Not Recommended For Use In 3400 Family of Marine Engines
1991/05/01

New Cylinder Kits Available
1992/04/01

Thinner Spacer Plates Available For Parts Service
1992/06/01

Connecting Rod Bearing Eliminates The Need For Mid-Life Connecting Rod Bearing Roll-In
1992/08/01

New Liner Seat Inserts Available
1992/11/01

Cylinder Pack Puller Groups Improved
1993/01/01

Water Cooled Turbine Housings May Require Larger Core Plugs{1065,1050}
1994/11/01

Be Sure Correct Piston Cooling Jets Are Installed{1331}
1994/12/01

Flywheel Housing To Cylinder Block Joint Improvements{1157,1201}
1997/01/22

New Cylinder Liners
1977/01/28

Improved Main And Connecting Rod Bearings Have Aluminum Alloy With More Strength
1977/01/28

Modification To Holder To Machine Counterbore On Cylinder Block
1977/03/15

Clean Bolt Holes In Cylinder Block Before Cylinder Heads Are Installed
1977/07/13

5P8665 Cylinder Liner Puller Makes Liner Removal Easier And Faster
1978/01/18

New 5P8709 Piston Tool Group For The Alignment Of Piston Cooling Jets
1978/05/03

External (Outside) Oil Lines Now Used Instead Of The Oil Passage In The Cylinder Block And Flywheel Housing
1978/05/03

Use New Main Bearings In Replacement Cylinder Blocks
1978/07/05

Change In Procedure To Check Main Bearing Clearance
1978/08/30

Special Instruction

Using Caterpillar Cylinder Pack Pulling Tools{1239}
Using Caterpillar Cylinder Pack Pulling Tools{1239}

Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}
Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}

Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}

Installation Of Crankshaft Seals And Wear Sleeves{1203}
Installation Of Crankshaft Seals And Wear Sleeves{1203}

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

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

Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}
Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}

Use Of 8T0455 Cylinder Liner Projection Indicator Group{0760, 1216}
Use Of 8T0455 Cylinder Liner Projection Indicator Group{0760, 1216}

Installation Of 2W3815 Or 5N93 Inserts{1217}
Installation Of 2W3815 Or 5N93 Inserts{1217}

Cylinder Block Cleaning Procedure{1201}
Cylinder Block Cleaning Procedure{1201}

Using 5P4175 Boring Tool Group And 5P1618 Tool Arrangement{0672, 1200}
Using 5P4175 Boring Tool Group And 5P1618 Tool Arrangement{0672, 1200}

Installation Instructions For The 160-9874 Gasket Kit {1213, 7555}
Installation Instructions For The 160-9874 Gasket Kit {1213, 7555}

Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}

Using the <NOBR> 6V-7840</NOBR> Deck Checking Tool Assembly {0701, 1201, 7225}
Using the 6V-7840 Deck Checking Tool Assembly {0701, 1201, 7225}

Visual Inspection of Liner Seats for 3400, C15, C16, and C18 Series Engines{1200}
Visual Inspection of Liner Seats for 3400, C15, C16, and C18 Series Engines{1200}

Service Letter-NACD

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Service Letter-Australia

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Service Letter-CFEL

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Service Letter-CSARL

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Service Letter-Americas

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Service Letter-Brazil

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Service Letter-Truck/Ag/Marine

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Technical Information Bulletin

Liner Flange Breakage
Liner Flange Breakage

Specifications

Cylinder Block
3412 INDUSTRIAL AND MARINE ENGINES

Cylinder Liners
3412 INDUSTRIAL AND MARINE ENGINES

Cylinder Liner Projection
3412 INDUSTRIAL AND MARINE ENGINES

Connecting Rod And Main Bearing Journals
3412 INDUSTRIAL AND MARINE ENGINES

Cylinder Liner
3408C and 3412C Marine Engines

Cylinder Liner Projection
3408C and 3412C Marine Engines

Cylinder Block
3408C and 3412C Marine Engines

Tool Operating Manual

9U7990 Counter Bore Tool Group for 3176, 3300 and 3400 Series Engines{1201}
9U7990 Counter Bore Tool Group for 3176, 3300 and 3400 Series Engines{1201}

362-4250 Deck Height Measuring Tool{1201}
362-4250 Deck Height Measuring Tool{1201}

Service Letter-China

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Service Letter-Asia

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Reuse And Salvage Guidelines

Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}

Reuse and Salvage for 3176, 3300, 3400 & C-Series Engine Cylinder Blocks {0670, 0672, 0761, 1201, 7225}
Reuse and Salvage for 3176, 3300, 3400 & C-Series Engine Cylinder Blocks {0670, 0672, 0761, 1201, 7225}

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}

Inspection and Reuse Guideline of Cylinder Liners in Cat Engines {0761, 1201, 1213, 1216, 1216}
Inspection and Reuse Guideline of Cylinder Liners in Cat Engines {0761, 1201, 1213, 1216, 1216}

Using the <NOBR> 6V-7840</NOBR> Deck Checking Tool Assembly {0701, 1201, 7225}
Using the 6V-7840 Deck Checking Tool Assembly {0701, 1201, 7225}

Cylinder Block Salvage Procedure Using Belzona® 1311 (Ceramic R Metal) {0700, 0701, 1000, 1201}
Cylinder Block Salvage Procedure Using Belzona® 1311 (Ceramic R Metal) {0700, 0701, 1000, 1201}

Cylinder Block Cleaning and Audit Procedure {0644, 0680, 0701}
Cylinder Block Cleaning and Audit Procedure {0644, 0680, 0701}

Information Release Memo

PRODUCT LINE ADDITIONS: REMANUFACTURED SHORT AND LONG BLOCKS FOR VARIOUS APPLICATIONS
PRODUCT LINE ADDITIONS: REMANUFACTURED SHORT AND LONG BLOCKS FOR VARIOUS APPLICATIONS

Service Letter-APD

New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock

Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory

Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock

Disassembly and Assembly

Camshaft Bearings
3408C & 3412C MARINE ENGINES

Spacer Plates
3408C & 3412C MARINE ENGINES

Piston Cooling Tubes
3408C & 3412C MARINE ENGINES

Cylinder Liners
3408C & 3412C MARINE ENGINES

Crankshaft Main Bearings
3408C & 3412C MARINE ENGINES

Camshaft Bearings
3412 INDUSTRIAL & MARINE ENGINES

Valve Seat Inserts
3412 INDUSTRIAL & MARINE ENGINES

Spacer Plates
3412 INDUSTRIAL & MARINE ENGINES

Piston Cooling Tubes
3412 INDUSTRIAL & MARINE ENGINES

Cylinder Liners
3412 INDUSTRIAL & MARINE ENGINES

Crankshaft Main Bearings
3412 INDUSTRIAL & MARINE ENGINES

Service Magazine

New Connecting Rod And Main Bearings Have A Thicker Coating (Layer) Of Lead-Tin Overlay{1230,1219,1203}
1981/01/19

Pipe Plug Added To Rear Of Cylinder Block Prevents Oil Leakage Into Flywheel Housing{1201}
1981/02/23

Crankshaft Failures; New Thrust Plate{1203,1202,1230}
1981/05/04

Remove Piston Cooling Tubes Before Removal Of Pistons And Connecting Rods{1214,1218,1201,1225,1307}
1981/07/13

Check Bottom Surface Of Cylinder Liner Flange For Erosion And Wear{1216,1201}
1981/11/16

New Cylinder Liners And O-Ring Seals Give Longer Seal Life{1216,1201,1213,1227}
1981/12/14

Use Of A Flex-Hone For Cylinder Liner Reconditioning{0664,0674,1216}
1981/12/21

Use Correct Part Numbers For Main And Connecting Rod Bearings{1230,1203,1219}
1982/04/12

Use New Special Instruction To Install 5P6595 Insert In Cylinder Liner Seats{1216,0621}
1982/05/03

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

New Crankshaft Main Bearings Used{1203}
1982/05/10

New Head Gasket Improves Seal Between Block And Liner Flange{1101,1201}
1982/09/27

Service Information For Easier Use Of The 6V3100 Timing Indicator Group{0651,1250,1156,1157}
1982/10/11

6V4869 Adapter And 6V6174 Plug Can Be Used To Install Camshaft Bearings{1211,0621}
1982/11/22

Use FT1711 Light Table For Cylinder Liner Inspection {0652,1216}
1982/11/29

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

Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads{1201,1101,1103,1105}
1982/12/20

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

Damaged Lifter Bores In 3400 Series Engines Can Be Used Again{1201,0374}
1983/07/04

New Liner Seat Insert Available{1217}
1983/08/15

New Connecting Rod And Main Bearings Used{1203,1219,1226,1227,1230}
1983/10/10

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

Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads{1201,1101,1103,1105}
1984/04/23

New Recommendation For Oil Hole Location During Installation Of Camshaft Bearings{1211}
1984/05/07

Salvaging Cylinder Block Top Decks After Liner Seat Erosion{1201,1216,1217}
1984/06/04

New Cylinder Block Groups Used{1201}
1984/10/01

Install Crankshaft Thrust Bearings Correctly To Avoid Damage{1202,1203}
1985/02/11

Use Care When Handling Water Seals For Cylinder Head Spacer Plates{1115}
1985/07/15

New Cylinder Liner Available{1201}
1986/02/10

Service Reminders For 3400 Family Of Diesel Engines{1204,1214,1331}
1986/05/05

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

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed{1000,1100,1200}
1986/09/08

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

New Indicator Instrument Group Available To Measure Crankcase Blowby And Radiator Air Velocity{0781,1200,1350}
1986/10/27

New Cylinder Liners{1216}
1977/01/24

Modification To Holder To Machine Counterbore On Cylinder Block{0664,1201}
1977/02/28

Clean Bolt Holes In Cylinder Block Before Cylinder Heads Are Installed{1101,1201}
1977/08/08

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

Stronger Timing Gear Housing; Additional Stud Used At Top Of Housing{1151,1201}
1987/02/23

Additional Guidelines For Using The 8T2700 Blowby/Air Flow Indicator Group {0781,1200,1350}
1987/07/20

Recommendations For Preventing Cooling System Damage {1201}
1987/08/31

Mid-Life Bearing Maintenance Recommendations {1203}
1987/09/14

New Piston Cooling Jets Used {1213,1214}
1987/09/14

5P8665 Cylinder Liner Puller Makes Liner Removal Easier And Faster{0621,1216}
1978/01/09

External (Outside) Oil Lines Now Used Instead Of The Oil Passage In The Cylinder Block And Flywheel Housing{1307}
1978/05/01

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

New Information On Reusable Cylinder Liners{1216}
1978/06/19

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

Head Bolt Holes In Cylinder Blocks Can Be Repaired{1201,1101}
1988/10/24

New Liner Seat Insert Available{1201,1216,1217}
1988/11/14

Improved Gasket Now Used Between The Flywheel Housing And The Cylinder Block{1157,1201}
1979/04/30

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

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

New Design Thrust Plate Used In Crankshaft Group{1201,1202,1203}
1979/08/27

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

Improved Head Gasket Used; Service Tips {1124,1216,1221,7568}
1990/02/26

Dimensions For Aluminum Washer{1221}
1990/07/23

Service Tips For Piston Cooling Jets (Tubes){1331}
1990/11/26

Remanufactured Camshafts And Cam Kits Available For Parts Service{1210,1211,1212}
1990/12/17

New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups{1203}
1990/12/17

Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07

Cylinder Kits Not Recommended For Use In 3400 Family of Marine Engines And D8N Tractors{1214}
1991/05/20

New Cylinder Kits Available{1213}
1992/04/13

Thinner Spacer Plates Available For Parts Service{1221}
1992/06/29

New Liner Seat Inserts Available{1217}
1992/11/09

Cylinder Pack Puller Groups Improved {0705,1239}
1993/01/18

Caterpillar Parts SIS Catalog 3412 :

122-8607 CYLINDER BLOCK GP

4N-2638 CYLINDER BLOCK AS

122-8601 CYLINDER BLOCK AS

4N-0922 CRANKSHAFT GP

9Y-5381 CRANKSHAFT AS

4W-5388 COVER GP-VALVE MECHANISM

1W-5915 CYLINDER BLOCK GP

2W-5208 CYLINDER BLOCK GP

4N-2624 CYLINDER BLOCK GP

143-0040 CYLINDER HEAD AS

143-0041 CYLINDER HEAD AS

Truck sale:

95,720

Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

96,795

Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

93,569

Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

60,000

Caterpillar 3412, Stationary Generator Sets, Construction
- Stationary Generator Sets
FOLEY EQUIPMENT COMPANY

159,600

Caterpillar 3412, Stationary Generator Sets, Construction
- Stationary Generator Sets
FOLEY EQUIPMENT COMPANY