7W-7665 PISTON & ROD GP S/N 60M2457-3695 15.6:1 RATIO 3412 MARINE ENGINE

BASIC ENGINE

PISTON & ROD GP

0. 7W-7665 PISTON & R
1. 8N-2443 PISTON & R
2. 2W-9053 PISTON GP
3. 7W-7756 PISTON GP

POWER TAKE-OFF GP

4. 4W-9829 POWER TAKE
5. 4W-9830 POWER TAKE
6. 5N-6399 POWER TAKE
7. 5N-6400 POWER TAKE
8. 5N-7399 POWER TAKE
9. 5N-7400 POWER TAKE
0. INFORMATION

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

BASIC ENGINE

PISTON & ROD GP

7N-3517 PISTON & ROD GP

7N-3518 PISTON & ROD GP

7W-7665 PISTON & ROD GP

8N-2443 PISTON & ROD GP

2W-9053 PISTON GP

7W-7756 PISTON GP

#SEBP10980150

7W-7665: PISTON & ROD GP

PISTON & ROD GP

7W-7665 PISTON & ROD GP
S/N 60M2457-3695
15.6:1 RATIO

i00415762 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8N-1608	[1]	PIN-PISTON
2.	8N-7295	[2]	RETAINER-PIN
3.	8N-1728	[1]	ROD AS-CONNECTING
	8N-2018	[1]	BUSHING
4.	6N-8942	[2]	BOLT-CONNECTING ROD
	8L-3441	[2]	NUT (9/16-18-THD)
5.	1W-7524 H	[1]	BEARING (STANDARD)
	4W-5702 ABJ	[1]	BEARING-CONNECTING ROD (0.635-MM US)
	4W-5703 ABL	[1]	BEARING-CONNECTING ROD (1.27-MM US)
6.	7W-7756 Y	[1]	PISTON GP

			AVAILABLE REPAIR KIT(S):
	9Y-6188 ABHPS		KIT-ROD BEARING (STANDARD)
	9Y-6189 ABJPS		KIT-ROD BEARING (0.635-MM US)
	9Y-6190 ABLPS		KIT-ROD BEARING (1.27-MM US)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	H		KIT MARKED H INCLUDES SIX OF PART MARKED H
	J		KIT MARKED J INCLUDES SIX OF PART MARKED J
	L		KIT MARKED L INCLUDES SIX OF PART MARKED L
	P		QTY OF 2 KITS REQUIRED FOR 3412 ENGINE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	S		NOT FOR USE WITH 3408 ENGINE
	Y		SEPARATE ILLUSTRATION

#SEBP10980151

8N-2443: PISTON & ROD GP

PISTON & ROD GP

8N-2443 PISTON & ROD GP
S/N 60M1318-1914

i00108876 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-9807	[1]	PIN-PISTON
2.	8N-7295 C	[2]	RETAINER-PIN
3.	8N-1728	[1]	ROD AS-CONNECTING
	8N-2018	[1]	BUSHING
4.	6N-8942	[2]	BOLT-CONNECTING ROD
	8L-3441	[2]	NUT (9/16-18-THD)
5.	9Y-9497 C	[1]	BEARING-CONNECTING ROD (STANDARD)
	4W-5702 ABC		BEARING-CONNECTING ROD (0.635-MM US)
	4W-5703 ABC		BEARING-CONNECTING ROD (1.27-MM US)
6.	8N-0843	[1]	PISTON GP
7.	7N-7078	[1]	RING-PISTON (OIL CONTROL)
8.	2P-2817	[1]	RING-PISTON (INTERMEDIATE)(INTERMEDIATE)
9.	8N-0502	[1]	RING-PISTON (TOP)
	8N-0822 A	[1]	RING GP-PISTON
			(INCLUDES COMPLETE SET OF
			RINGS FOR ONE PISTON)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP10980152

2W-9053: PISTON GP

PISTON GP

2W-9053 PISTON GP
S/N 60M2089-4264
PART OF 2W-9054 PISTON & ROD GP
FOR USE WITH @@@@@442-5359@@@@@

i00107875 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2W-0865	[1]	PISTON AS
			-OR-
	9Y-7212 J	[1]	BODY AS-PISTON
2.	1W-9460	[1]	RING-PISTON (TOP)
3.	2P-2817	[1]	RING-PISTON (INTERMEDIATE)
4.	7N-7078	[1]	RING-PISTON (OIL CONTROL)
	1W-8922 FA	[1]	RING GP-PISTON (STANDARD)
			(CONSISTS OF A COMPLETE SET OF RINGS FOR ONE PISTON)

			AVAILABLE REPAIR KIT(S):
	442-5359 ABJ	[1]	KIT-CYLINDER PACK
			(INCLUDES RINGS, BUSHING, PISTON BODY ASSEMBLY, RETAINER, LINER, SINGLE CYLINDER LINER GASKET KIT)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	F		NOT SHOWN
	J		KIT MARKED J SERVICES PART(S) MARKED J
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP10980153

7W-7756: PISTON GP

PISTON GP

7W-7756 PISTON GP
S/N 60M2457-3695
PART OF 7W-7665 PISTON & ROD GP

i00415776 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2W-0865	[1]	PISTON AS
2.	2W-1521	[1]	RING-PISTON (TOP)(TOP)
3.	2P-2817	[1]	RING-PISTON (INTERMEDIATE)(INTERMEDIATE)
4.	7N-7078	[1]	RING-PISTON (OIL CONTROL)(OIL)
	1W-8922 FA	[1]	RING GP-PISTON (STANDARD)
			(CONSISTS OF A COMPLETE SET OF
			RINGS FOR ONE PISTON)
	A		NOT PART OF THIS GROUP
	F		NOT SHOWN
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP10980154

4W-9829: POWER TAKE-OFF GP

POWER TAKE-OFF GP

4W-9829 POWER TAKE-OFF GP
S/N 60M2373-5160
PROVIDES SPREAD BEARING SINGLE PLATE FRONT ENCLOSED CLUTCH
CANNOT BE USED WITH HYDRAULIC PUMP DRIVE ADAPTER OR 2100 RPM ENGINE
AN ATTACHMENT

i00380771 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4W-5822	[1]	ADAPTER
2.	0S-1594	[12]	BOLT (3/8-16X1-IN)
3.	5N-7329 Y	[1]	CLUTCH GP
4.	5N-6958	[1]	CHANNEL
5.	0S-1566	[2]	BOLT (5/8-11X1.5-IN)
	5P-8247	[2]	WASHER-HARD (17X32X3.5-MM THK)
6.	0S-1591	[12]	BOLT (3/8-16X1.5-IN)
7.	0S-1573	[8]	BOLT (1/2-13X4-IN)
8.	4W-8688	[2]	DOWEL-THREADED (5/16-18-THD)
9.	4W-8689	[2]	DOWEL-BUSHING
10.	9F-6641	[2]	BOLT (5/16-18X1.25-IN)
11.	0S-1585	[1]	BOLT (1/2-13X1.5-IN)
	Y		SEPARATE ILLUSTRATION

#SEBP10980155

4W-9830: POWER TAKE-OFF GP

POWER TAKE-OFF GP

4W-9830 POWER TAKE-OFF GP
S/N 60M2373-5160
CANNOT BE USED WITH HYDRAULIC PUMP DRIVE ADAPTER OR 2100 RPM ENGINE
AN ATTACHMENT

i00380772 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4W-5822	[1]	ADAPTER
2.	0S-1594	[12]	BOLT (3/8-16X1-IN)
			-OR-
	0S-1591 C	[12]	BOLT (3/8-16X1.5-IN)
3.	5N-7330 Y	[1]	CLUTCH GP
4.	5N-6958	[1]	CHANNEL
5.	0S-1566	[2]	BOLT (5/8-11X1.5-IN)
	5P-8247	[2]	WASHER-HARD (17X32X3.5-MM THK)
6.	0L-1143	[8]	BOLT (3/8-16X2.5-IN)
7.	0S-1573	[8]	BOLT (1/2-13X4-IN)
8.	4W-8688	[2]	DOWEL-THREADED (5/16-18-THD)
9.	4W-8689	[2]	DOWEL-BUSHING
10.	9F-6641	[2]	BOLT (5/16-18X1.25-IN)
11.	0S-1585	[1]	BOLT (1/2-13X1.5-IN)
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP10980156

5N-6399: POWER TAKE-OFF GP

POWER TAKE-OFF GP

5N-6399 POWER TAKE-OFF GP
AN ATTACHMENT

i01354709 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0L-1143	[8]	BOLT (3/8-16X2.5-IN)
2.	7N-1312	[1]	ADAPTER AS
3.	4N-0683	[2]	DOWEL
4.	0S-1594	[12]	BOLT (3/8-16X1-IN)
5.	5P-0898	[1]	BALL BEARING
6.	5N-7329 Y	[1]	CLUTCH GP

			AVAILABLE REPAIR KIT(S):
	5N-6727	[1]	KIT-CLUTCH
	Y		SEPARATE ILLUSTRATION

#SEBP10980157

5N-6400: POWER TAKE-OFF GP

POWER TAKE-OFF GP

5N-6400 POWER TAKE-OFF GP
AN ATTACHMENT

i01354877 SEBP1098

For full view, you need register

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0L-1143	[8]	BOLT (3/8-16X2.5-IN)
2.	7N-1312	[1]	ADAPTER AS
3.	4N-0683	[2]	DOWEL
4.	5N-7330 Y	[1]	CLUTCH GP
5.	5P-0898	[1]	BALL BEARING
6.	0S-1594	[12]	BOLT (3/8-16X1-IN)

			AVAILABLE REPAIR KIT(S):
	5N-6728	[1]	KIT-CLUTCH
	Y		SEPARATE ILLUSTRATION

#SEBP10980158

5N-7399: POWER TAKE-OFF GP

POWER TAKE-OFF GP

5N-7399 POWER TAKE-OFF GP
S/N 60M1-2372
AN ATTACHMENT

i00387209 SEBP1098

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Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4W-5822	[1]	ADAPTER
2.	4W-8688	[2]	DOWEL-THREADED (5/16-18-THD)
3.	4W-8689	[2]	DOWEL-BUSHING
4.	9F-6641	[2]	BOLT (5/16-18X1.25-IN)
5.	0S-1594	[12]	BOLT (3/8-16X1-IN)
6.	5N-7329 Y	[1]	CLUTCH GP
7.	0S-1591	[8]	BOLT (3/8-16X1.5-IN)
8.	0S-1566	[2]	BOLT (5/8-11X1.5-IN)
9.	5P-8247	[2]	WASHER-HARD (17X32X3.5-MM THK)
10.	5N-6958	[1]	CHANNEL
11.	0S-1573	[8]	BOLT (1/2-13X4-IN)
	Y		SEPARATE ILLUSTRATION

#SEBP10980159

5N-7400: POWER TAKE-OFF GP

POWER TAKE-OFF GP

5N-7400 POWER TAKE-OFF GP
S/N 60M1-2372
2 PLATE CLUTCH
AN ATTACHMENT

i00387212 SEBP1098

For full view, you need register

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5N-7751	[1]	ADAPTER AS
	4N-0683	[2]	DOWEL
2.	0S-1594	[12]	BOLT (3/8-16X1-IN)
3.	5N-7330 Y	[1]	CLUTCH GP
4.	0L-1143	[8]	BOLT (3/8-16X2.5-IN)
5.	0S-1566	[2]	BOLT (5/8-11X1.5-IN)
	5P-8247	[2]	WASHER-HARD (17X32X3.5-MM THK)
6.	5N-6958	[1]	CHANNEL
7.	0S-1573	[8]	BOLT (1/2-13X4-IN)
8.	1A-8063	[2]	BOLT (3/4-10X2.5-IN)
	5P-8248	[2]	WASHER-HARD (20X36.5X3.5-MM THK)
	Y		SEPARATE ILLUSTRATION

Information:

BASIC ENGINE

PISTON & ROD GP

Engine News

Wider Connecting Rods Have More Bearing Area
1979/10/31

Connecting Rod Changes And Replacement Information
1980/03/12

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

Reference List Of Pistons Used With The Different Types Of Connecting Rods
1980/09/10

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

Later Pistons Have A Smaller Number Of Drain Holes In Oil Ring Groove
1981/03/04

6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal And Installation Of Piston Pin Bearings
1981/04/22

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

New Piston Pin Retainer Used
1982/02/10

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

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

Use 6V6147 Polishing Wheel To Clean Piston Pins
1982/11/10

New Piston Group Has A Thicker Top Ring
1982/12/15

Pistons With Thicker Top Rings Must Be Used In Correct Applications
1983/04/27

Parts Service Information For Pistons, Connecting Rods, Piston Pins And Rings
1983/09/14

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

Remanufactured Connecting Rod Assemblies
1984/02/22

Be Sure Correct Piston Rings Are Used On 3400 Series Engines
1985/05/01

Increase Piston Reuse With Keystone Piston Ring Gauge Group
1986/07/01

Check Connecting Rods After Engine Failures Involving Hydraulic Lock
1986/12/01

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

Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method
1987/06/01

Recommendations For Reusability Of Pistons With Crater Rim Cracks
1987/07/01

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

Testing Connecting Rod Eye Bushings When Overhauling Engines
1987/07/01

New Connecting Rod Bearing Used
1989/09/01

Plasma Top Piston Rings Replace Chrome Rings
1989/09/01

New Pistons Used
1990/08/01

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

Installation Of Zinc Rods In Caterpillar Marine Engines
1991/01/01

New Piston Pin Retainer Used
1991/10/01

New Cylinder Kits Available
1992/04/01

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

Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/11/01

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

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

New Oversize Connecting Rod Bearings Have Improved Design And Material
1977/04/22

New Piston Pin Bearing Used In Connecting Rod Assembly
1977/04/22

Stronger Piston Is Used; Piston And Connecting Rod Are Tapered In Area Of Piston Pin
1977/09/28

Stronger Piston And Connecting Rod Are Tapered In Area Of Piston Pin
1978/03/01

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

New Guidelines for Inspecting Pistons {1214}
2006/01/02

Usability of Main Bearings and Camshaft Bearings {1202, 1203, 1218, 1219}
2008/11/24

A New Connecting Rod Bearing is Available for Certain Commercial Engines {1219, 1225}
2009/01/05

A New Connecting Rod Bearing is Available {1218, 1219, 1225}
2009/02/09

Special Instruction

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

Piston Cleaning Procedure{1214}
Piston Cleaning Procedure{1214}

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

Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}
Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}

3400 Series Engines{1215}
3400 Series Engines{1215}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

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

PRODUCT SUPPORT PROGRAM TO REPLACE CYLINDER PACKS ON CERTAIN 3408C, 3412C, 3412E COMMERCIAL ENGINES; 836 AND 844 COMPACTORS; 988F AND 990 WHEEL LOADERS, 5110 EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; 69D, 73D, 769D, 771D, 7
PRODUCT SUPPORT PROGRAM TO REPLACE CYLINDER PACKS ON CERTAIN 3408C, 3412C, 3412E COMMERCIAL ENGINES; 836 AND 844 COMPACTORS; 988F AND 990 WHEEL LOADERS, 5110 EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; 69D, 73D, 769D, 771D, 7

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

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

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

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

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

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

Technical Information Bulletin

Connecting Rod Bearings
Connecting Rod Bearings

Oil Buildup on Remanufactured Cylinder Packs{1225}
Oil Buildup on Remanufactured Cylinder Packs{1225}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

Specifications

Connecting Rod And Main Bearing Journals
3412 INDUSTRIAL AND MARINE ENGINES

Connecting Rod<BR> (Tapered Pin End)
3412 INDUSTRIAL AND MARINE ENGINES

Connecting Rod<BR> (Straight Pin End)
3412 INDUSTRIAL AND MARINE ENGINES

Pistons And Rings
3412 INDUSTRIAL AND MARINE ENGINES

Connecting Rod
3408C and 3412C Marine Engines

Piston and Rings
3408C and 3412C Marine Engines

Tool Operating Manual

NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}

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

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

Reuse And Salvage Guidelines

Reuse and Salvage for Connecting Rods {1218}
Reuse and Salvage for Connecting Rods {1218}

Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}

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}

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

Disassembly and Assembly

Connecting Rod Bearings
3408C & 3412C MARINE ENGINES

Pistons
3408C & 3412C MARINE ENGINES

Connecting Rod Bearings
3412 INDUSTRIAL & MARINE ENGINES

Piston Cooling Tubes
3412 INDUSTRIAL & MARINE ENGINES

Pistons
3412 INDUSTRIAL & MARINE ENGINES

Cylinder Liners
3412 INDUSTRIAL & MARINE ENGINES

Service Magazine

Connecting Rod Changes And Replacement Information{1218}
1980/03/03

Reference List Of Pistons Used With The Different Types Of Connecting Rods{1214,1218}
1980/09/15

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

Later Pistons Have A Smaller Number Of Drain Holes In Oil Ring Groove{1214,1213}
1981/02/23

6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal and Installation Of Piston Pin Bearings{0622,1219,1218,1214}
1981/03/30

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

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

Piston And Connecting Rod Assembly Storage Cabinet{0600}
1982/01/18

New Piston Pin Retainer Used{1214,1225}
1982/02/08

Carbon Build-Up In Combustion And Inlet Areas{1058,1101,1105,1214,1104}
1982/03/22

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 Bearing Standard: Quantity Of One Part Number Now Has Both Halves Of The Bearing{7551}
1982/08/09

Use 6V6147 Polishing Wheel To Clean Piston Pins{0675,1214}
1982/11/08

Use the 6V6167 Contact Point to Measure Wear Steps on Piston Pins{0653}
1982/11/22

New Piston Group Has A Thicker Top Ring{1215,1214,1213,1225,1226,1227}
1982/12/13

New Connecting Rod Bearings Used{1219,1230}
1983/04/04

Pistons With Thicker Top Rings Must Be Used In Correct Applications {1214,1215}
1983/04/18

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

Parts Service Information For Pistons, Connecting Rods, Piston Pins And Rings{1214,1225,1215,1218}
1983/09/12

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

Remanufactured Connecting Rod Assemblies{1218}
1984/01/23

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

Be Sure Correct Piston Rings Are Used On 3400 Series Engines{1215,1214}
1985/05/06

Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07

Two Different Piston Oil Ring Designs Used{1215}
1985/11/11

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

Increase Piston Reuse With Keystone Piston Ring Gauge Group{1214,1215}
1986/06/16

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

Check Connecting Rods After Engine Failures Involving Hydraulic Lock{1218,1225}
1986/10/20

Improved Main And Connecting Rod Bearings Have Aluminum Alloy With More Strength{1230}
1977/01/17

New Piston Pin Bearing Used In Connecting Rod Assembly{1218}
1977/04/25

New Oversize Connecting Rod Bearings Have Improved Design And Material{1219}
1977/04/25

Stronger Piston Is Used; Piston And Connecting Rod Are Tapered In Area Of Piston Pin{1213,1214,1218}
1977/09/19

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

Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method {1218,1219}
1987/06/01

Recommendations For Reusability Of Pistons With Crater Rim Cracks{1214}
1987/06/29

Testing Connecting Rod Eye Bushings When Overhauling Engines{1218}
1987/07/06

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

Stronger Piston And Connecting Rod Are Tapered In Area Of Piston Pin{1213,1214,1218}
1978/03/06

Locating Bushings For The 5P3550 Rod Boring Machine Will Now Hold Tapered Piston Pin Bushings {0626}
1978/04/17

Use 6V100 Tool Arrangement To Remove And Install Piston Pin Bearings For Both Tapered And Standard Connecting Rods{0620,1218}
1978/04/24

Sleeve-Type Ring Compressors Can Be Used For Installation Of Pistons From The Bottom Of The Engine{0622}
1978/08/21

5P3519 Piston Ring Gauge Has Improved Design For Better Accuracy And Easier Use; Corrected Information For Use On Pistons That Have Two Ring Grooves{0653,1214}
1979/05/14

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

Wider Connecting Rods Have More Bearing Area{1214,1218}
1979/11/05

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

New Connecting Rod Bearing Used{0372,1203,1219}
1989/08/21

Plasma Top Piston Rings Replace Chrome Rings{1215,1214}
1989/09/11

New Pistons Used{1225,1214}
1990/07/30

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

Installation Of Zinc Rods In Caterpillar Marine Engines{1350,1388}
1990/12/24

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

New Piston Pin Retainer Used{1225}
1991/10/14

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

Connecting Rod Bearing Eliminates The Need For Mid-Life Connecting Rod Bearing Roll-In{1219,1202}
1992/08/31

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

Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/10/31

Caterpillar Parts SIS Catalog 3412 :

7N-3518 PISTON & ROD GP

7N-3517 PISTON & ROD GP

4P-1890 PISTON & ROD GP

4N-1994 PISTON & ROD GP

2W-9054 PISTON & ROD GP

2W-1513 PISTON & ROD GP

4N-7182 PAN GP-OIL

5N-2501 MOUNTING GP-SOUND ISOLATION

8N-2443 PISTON & ROD GP

2W-9053 PISTON GP

7W-7756 PISTON GP

4W-9829 POWER TAKE-OFF GP

4W-9830 POWER TAKE-OFF GP

5N-6399 POWER TAKE-OFF GP

5N-6400 POWER TAKE-OFF GP

5N-7399 POWER TAKE-OFF GP

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