1W5081 CYLINDER BLOCK AS PART OF 1W5082 CYLINDER BLOCK FIELD REPLACEMENT ORDER 1W5084-PAGE 8 631E WHEEL TRACTOR

BASIC ENGINE

CYLINDER BLOCK GP

0. 1W-5081 CYLINDER B
1. 1W-5084 CYLINDER B
2. 4N-6866 COVER GP-C

CRANKSHAFT GP

3. 1W-5010 CRANKSHAFT
4. 1W-5009 CRANKSHAFT

PISTON & ROD GP

5. 2W-9054 PISTON & R

CAMSHAFT GP

6. 4N-0963 CAMSHAFT G

PISTON & ROD GP

7. 2W-9053 PISTON GP
8. 2W-9054 PISTON & R

CYLINDER HEAD GP

9. 4W-7005 CYLINDER H
0. INFORMATION

WHEEL TRACTOR 631E WHEEL TRACTOR 1NB
631E TRACTOR / POWER SHIFT / 1NB00001-00871 (MACHINE) POWERED BY 3408 ENGINE SEBP1565 631E 1NB (1986)

BASIC ENGINE

CYLINDER BLOCK GP

1W-5082 CYLINDER BLOCK GP

1W-5081 CYLINDER BLOCK AS

1W-5084 CYLINDER BLOCK GP

4N-6866 COVER GP-CYLINDER BLOCK

#SEBP15650010

1W-5081: CYLINDER BLOCK AS

CYLINDER BLOCK AS

1W5081 CYLINDER BLOCK AS
PART OF 1W5082 CYLINDER BLOCK
FIELD REPLACEMENT ORDER 1W5084-PAGE 8

c487207 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-5121	[24]	SEAL-O-RING
2.	7W-3550	[8]	LINER-CYLINDER
3.	9L-5854	[8]	BAND-FILLER
4.	3P-1323	[10]	BOLT-BEARING CAP
5.	4N-5858	[10]	CAP
6.	4N-0685	[5]	BEARING-SLEEVE
7.	4N-6658	[3]	BEARING-SLEEVE
8.	3J-5389	[2]	PLUG

#SEBP15650011

1W-5084: CYLINDER BLOCK GP

CYLINDER BLOCK GP

1W5084 CYLINDER BLOCK GP
PART OF 1W5082 CYLINDER BLOCK
FIELD REPLACEMENT FOR 1W5081-PAGE 7

c495176 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7M-7410	[6]	PLUG
			9.53MM(.375IN)PIPE THD
2.	9S-4190	[4]	PLUG-0-RING 22.23MM(.875IN)OD
	2M-9780	[4]	SEAL-O-RING
3.	9F-2247 C	[7]	PLUG 3.18MM(.125IN)PIPE THD
4.	3J-5389	[2]	PLUG
			12.70MM(.50IN)PIPE THD
5.	4N-6658	[2]	BEARING-SLEEVE
6.	3S-6605	[2]	PLUG-CUP 8.05MM(.31IN)OD
7.	4N-0685	[3]	BEARING-SLEEVE
8.	3B-0645	[1]	PLUG-CUP 32.08MM(1.26IN)OD
9.	7E-6479 C	[8]	BOLT-OIL JET
10.	7W-4990 C	[8]	TUBE AS-OIL JET
11.	4N-0693	[3]	PLUG-TAPERLOCK 38.10MM(1.50IN)OD
			-OR-
	7C-9614 C	[3]	PLUG-TAPERLOCK 41.28MM(1.62IN)OD
12.	7H-3171	[4]	PLUG-PIPE
			6.5MM(.256IN)PIPE THD
13.	4N-5858	[5]	CAP
14.	3P-1323	[10]	BOLT-BEARING CAP
	9H-1031	[10]	WASHER-HARD
15.	5M-6214 C	[1]	PLUG-PIPE
	C		CHANGE FROM PREVIOUS TYPE

#SEBP15650012

4N-6866: COVER GP-CYLINDER BLOCK

COVER GP-CYLINDER BLOCK

4N6866 COVER GP-CYLINDER BLOCK

c545098 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1594 C	[9]	BOLT
2.	4N-1683	[1]	COVER
	4N-1684	[1]	GASKET
3.	2P-2772 B	[1]	COVER
	4N-0933 B	[1]	GASKET
4.	4N-1682	[1]	COVER
	4N-0864	[1]	GASKET
5.	4N-0794 B	[1]	COVER
	4N-0790 B	[1]	GASKET
6.	0L-1351 C	[2]	BOLT
7.	5M-2894	[11]	WASHER
8.	0S-1594 B	[1]	BOLT
	5M-2894 B	[1]	WASHER
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

#SEBP15650013

1W-5010: CRANKSHAFT GP

CRANKSHAFT GP

1W5010 CRANKSHAFT GP
1W5009-PAGE 11

c552216 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-5009 RY	[1]	CRANKSHAFT AS
2.	4W-5492	[5]	BEARING-MAIN (STANDARD)
	4W-5698 AC	[5]	BEARING-MAIN .025IN US
	4W-5699 AC	[5]	BEARING-MAIN .050IN US
	4W-5700 AC	[5]	BEARING-MAIN .025IN US
	4W-5701 AC	[5]	BEARING-MAIN .025IN US
3.	7E-9262	[2]	PLATE-THRUST
4.	2W-1733 C	[1]	SEAL GP-CRANKSHAFT
5.	2W-1734 C	[1]	SEAL GP-CRANKSHAFT
	A		NOT PART OF THIS GROUP
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15650014

1W-5009: CRANKSHAFT AS

CRANKSHAFT AS

1W5009 CRANKSHAFT AS*R
PART OF 1W5010 CRANKSHAFT

c601314 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0684	[1]	DOWEL
2.	8T-6757	[5]	PLUG-PIPE
3.	7S-5005	[1]	DOWEL
4.	7N-7591	[1]	GEAR-CRANKSHAFT (80 TEETH)

#SEBP15650015

2W-9054: PISTON & ROD GP

PISTON & ROD GP

2W9054 ROD & PISTON GP
TYPE 1
2W9053-PAGE 13

c496696 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8N-1608	[1]	PIN-PISTON
2.	8N-7295	[2]	RETAINER-PIN
3.	8N-1728 R	[1]	ROD AS-CONNECTING
	8N-2018	[1]	BEARING-SLEEVE
4.	6N-8942	[2]	BOLT-CONNECTING ROD
	8L-3441	[2]	NUT
5.	9Y-9497 C	[1]	BEARING-CONNECTING ROD (STANDARD)
	4W-5702 CA	[1]	BEARING-CONNECTING ROD
			.025IN(.63MM)UNDERSIZE
	4W-5703 CA	[1]	BEARING-CONNECTING ROD
			.050IN(1.27MM)UNDERSIZE
6.	2W-9053 Y	[1]	PISTON GP
	A		NOT PART OF THIS GROUP
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP15650016

4N-0963: CAMSHAFT GP

CAMSHAFT GP

4N0963 CAMSHAFT GP-SINGLE

c629331 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2W-7980 CR	[1]	CAMSHAFT AS
2.	101-3374	[1]	GEAR-CAMSHAFT DRIVE
			(86 TEETH)
3.	1B-8705	[1]	KEY-WOODRUFF
4.	4N-0955	[1]	DOWEL
5.	0S-0509	[2]	BOLT
6.	4N-0342	[1]	PLATE-CAMSHAFT THRUST
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE

#SEBP15650017

2W-9053: PISTON GP

PISTON GP

2W9053 PISTON GP
PART OF 2W9054 PISTON & ROD

c307861 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2W-0865 R	[1]	BODY AS-PISTON
2.	1W-9460	[1]	RING (TOP)
3.	2P-2817	[1]	RING-INTERMEDIATE
4.	7N-7078	[1]	RING-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		REMFG PART MAY BE AVAILABLE

#SEBP15650018

2W-9054: PISTON & ROD GP

PISTON & ROD GP

2W9054 ROD & PISTON GP
TYPE 2

c640027 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8N-1608	[1]	PIN-PISTON
2.	7E-5665	[2]	RETAINER-PIN
3.	8N-1728 R	[1]	ROD AS-CONNECTING
	4P-8380	[1]	BEARING-SLEEVE
4.	8L-3441	[2]	NUT
	6N-8942	[2]	BOLT-CONNECTING ROD
5.	9Y-9497	[1]	BEARING-CONNECTING ROD
	4W-5702 A	[1]	BEARING-CONNECTING ROD (.635 MM U.S. I.D.)
	4W-5703 A	[1]	BEARING-CONNECTING ROD (1.27 MM U.S. I.D.)
6.	9Y-7212	[1]	BODY AS-PISTON
7.	1W-9460	[1]	RING-PISTON
8.	2P-2817	[1]	RING-PISTON
9.	7N-7078	[1]	RING-OIL

			THE FOLLOWING BEARING
			KITS ARE AVAILABLE:
	9Y-6188 A	[2]	KIT-BEARING (STANDARD)
	9Y-6189 A	[2]	KIT-BEARING
			(.635 MM U.S. I.D.)
	9Y-6190 A	[2]	KIT-BEARING
	R		REMFG PART MAY BE AVAILABLE

#SEBP15650019

4W-7005: CYLINDER HEAD GP

CYLINDER HEAD GP

4W7005 CYLINDER HEAD GP-PART 1 OF 2*R
7W2224-PAGE 16

c519008 SEBP1565

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-8071 C	[1]	BRACKET-FUEL PUMP
2.	3B-1915 C	[1]	BOLT
3.	5M-2894	[2]	WASHER
4.	0S-1608 C	[1]	BOLT
5.	1A-5183	[1]	BOLT
6.	5B-2638	[1]	BOLT
7.	6N-6731	[1]	SUPPORT-GEAR HSG (L.H.)
8.	7E-7308	[2]	GASKET-CYLINDER HEAD
9.	2H-3750	[28]	BOLT
10.	5H-1504	[28]	WASHER-HARD
11.	7W-2224 Y	[2]	CYLINDER HEAD GP
12.	0L-1352 C	[7]	BOLT
	0L-1352 CB	[4]	BOLT
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

Information:

BASIC ENGINE

CYLINDER BLOCK GP

Truck Engine News

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

Engine News

A Modified Procedure Is Now Used to Seal the Mating Surfaces of the Cylinder Block and the Gasket on C15 And C18 Engines {1100, 1124, 1201}
A Modified Procedure Is Now Used to Seal the Mating Surfaces of the Cylinder Block and the Gasket on C15 And C18 Engines {1100, 1124, 1201}

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 7N9013 Gasket Service Group{1101, 1221}
Installation Of 7N9013 Gasket Service Group{1101, 1221}

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

Product Support Program For Replacing The Cylinder Block On Certain D8L Tractors And 631E Wheel Tractors
Product Support Program For Replacing The Cylinder Block On Certain D8L Tractors And 631E Wheel Tractors

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

0R-3711, 0R-3714, 0R-3751, 0R-3752 Remanufactured Long Blocks
0R-3711, 0R-3714, 0R-3751, 0R-3752 Remanufactured Long Blocks

Hydraulic Actuated Electronically Controlled Unit Injector (HEUI) Manifold In Engine Cylinder Head Group May Leak
Hydraulic Actuated Electronically Controlled Unit Injector (HEUI) Manifold In Engine Cylinder Head Group May Leak

Specifications

Cylinder Block
3408 VEHICULAR ENGINE

Cylinder Liner
3408 VEHICULAR ENGINE

Cylinder Liner Projection
3408 VEHICULAR ENGINE

Connecting Rod And Main Bearing Journals
3408 VEHICULAR ENGINE

Cylinder Block
3408C ENGINE FOR CATERPILLAR BUILT MACHINES

Cylinder Liners
3408C ENGINE FOR CATERPILLAR BUILT MACHINES

Cylinder Liner Projection
3408C ENGINE FOR CATERPILLAR BUILT MACHINES

Connecting Rod And Main Bearing Journals
3408C ENGINE FOR CATERPILLAR BUILT MACHINES

Cylinder Block
3408E and 3412E Engines for Caterpillar Built Machines

Cylinder Liner
3408E and 3412E Engines for Caterpillar Built Machines

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}

Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}

Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}

420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}

Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}

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}

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

Testing and Adjusting

Cylinder Block - Inspect
3408E and 3412E Engines for Caterpillar Built Machines

Excessive Bearing Wear - Inspect
3408E and 3412E Engines for Caterpillar Built Machines

Main Bearings - Inspect
3408E and 3412E Engines for Caterpillar Built Machines

Cylinder Liner Projection - Inspect
3408E and 3412E Engines for Caterpillar Built Machines

Disassembly and Assembly

Flywheel Housing
3408 VEHICULAR ENGINE FOR 631E & 637E TRACTORS

Piston Cooling Tubes
3408 VEHICULAR ENGINE FOR 631E & 637E TRACTORS

Spacer Plate
3408 VEHICULAR ENGINE FOR 631E & 637E TRACTORS

Cylinder Liners
3408 VEHICULAR ENGINE FOR 631E & 637E TRACTORS

Crankshaft Main Bearings
3408 VEHICULAR ENGINE FOR 631E & 637E TRACTORS

Camshaft Bearings
3408 VEHICULAR ENGINE FOR 631E & 637E TRACTORS

Crankshaft Main Bearings
3408 VEHICULAR ENGINE FOR 631E & 637E TRACTORS

Bearing Clearance - Check
C15 and C18 Engines for Caterpillar Built Machines

Cylinder Liner - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Piston Cooling Jets - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Camshaft Bearings - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Crankshaft Main Bearings - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Crankshaft Main Bearings - Install
3408E and 3412E Engines for Caterpillar Built Machines

Cylinder Liner - Install
3408E and 3412E Engines for Caterpillar Built Machines

Piston Cooling Jets - Remove and Install
C15 and C18 Engines for Caterpillar Built Machines

Cylinder Liner - Install
C15 and C18 Engines for Caterpillar Built Machines

Cylinder Liner - Remove
C15 and C18 Engines for Caterpillar Built Machines

Camshaft Bearings - Remove
C15 and C18 Engines for Caterpillar Built Machines

Camshaft Bearings - Install
C15 and C18 Engines for Caterpillar Built Machines

Service Magazine

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

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

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

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 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

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

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

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

A Gasket Group Is Available To Give Improved Sealing For The Oil Supply To The Rocker Arms On Early Engines{1101,1102,1221}
1978/04/03

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 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

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

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

No Gaskets Used With Aluminum Flywheel Housings{1157}
1991/10/14

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

New Cylinder Head Gasket, Spacer Plate And Head Bolts Used; New Cylinder Liner Projection Measurement Method; New Cylinder Head Torque Sequence; Improved Coolant Flow (Cylinder Heads) {1124,1221,1216,1101}
1994/07/04

Be Sure Correct Piston Cooling Jets Are Installed{1331}
1994/11/28

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing {1151,1157,1162}
1996/11/25

New 171-4660 Engine Stand Adapter Assembly Is Now Available {0701, 1000}
2000/04/17

Damaged Lifter Bores In 3400 Series Engines Can Be Used Again {1201}
2005/01/24

The Cylinder Liners Have a New Appearance {1216}
2005/03/14

New Cylinder Pack Assemblies Are Available in Sets for Certain Machines Equipped with C18 Engines {1201, 1216, 1225, 1239}
2011/05/26

Cylinder Head And Spacer Plate Gasket Failures On Certain Machine Engines {1100, 1201}
2015/05/15

Caterpillar Parts SIS Catalog 631E :

1W-5082 CYLINDER BLOCK GP

138-1760 ENGINE AR-NONRUNNABLE

7C-4155 ENGINE AR

137-4482 ENGINE AR-NONRUNNABLE

1W-3782 ENGINE AR

1W-5084 CYLINDER BLOCK GP

4N-6866 COVER GP-CYLINDER BLOCK

1W-5010 CRANKSHAFT GP

1W-5009 CRANKSHAFT AS

2W-9054 PISTON & ROD GP

4N-0963 CAMSHAFT GP

2W-9053 PISTON GP

2W-9054 PISTON & ROD GP

Truck sale:

Caterpillar 631E
- Scrapers
TRACTOR & EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.