3406 INDUSTRIAL ENGINE 90U00001-00439 BASIC ENGINE Caterpillar SIS

INDUSTRIAL ENGINE 3406 INDUSTRIAL ENGINE 90U
3406 INDUSTRIAL ENGINE 90U00001-00439 UEG0728S 3406 90U (1973)

Parts group 3406:

For full view, you need register

BASIC ENGINE

AIR COMPRESSOR GP

9N-0065 AIR COMPRESSOR GROUP

9N65 AIR COMPRESSOR GROUP

9N-5453 AIR COMPRESSOR GP

9N5453 AIR COMPRESSOR GROUP
9N5447 Compressor parts are shown on Page 204B
AN ATTACHMENT

9N-5447 AIR COMPRESSOR GP

9N5447 AIR COMPRESSOR GROUP
Part of 9N5453 Air Compressor Group shown on Page 204A
9N5449 Block parts are shown on Page 204C

9N-5449 CYLINDER BLOCK AS

9N5449 COMPRESSOR CYLINDER BLOCK ASSEMBLY
Part of 9N5447 Air Compressor Group shown on Page 204B

1W-7228 AIR COMPRESSOR GP

1W7228 AIR COMPRESSOR GROUP
1W3740--Page 204E

1W-3740 AIR COMPRESSOR GP

1W3740 AIR COMPRESSOR GROUP
9N5449--Page 204F
Part of 1W7228 Air Compressor Group

9N-5449 CYLINDER BLOCK AS

9N5449 COMPRESSOR CYLINDER BLOCK ASSEMBLY
Part of 1W3740 Air Compressor Group

4N-1563 AIR COMPRESSOR GROUP

4N1563 AIR COMPRESSOR GROUP
Part of 9N65 Air Compressor Group

4N-2285 AIR COMPRESSOR LINES GROUP

4N2285 AIR COMPRESSOR LINES GROUP--Type 1
Serial No. 90U1 to 90U280 inclusive

4N-2285 AIR COMPRESSOR LINES GROUP

4N2285 AIR COMPRESSOR LINES GROUP--Type 2
Serial No. 90U1 to 90U280 inclusive

9L-6971 LINES GP-AIR COMPRESSOR

9L6971 AIR COMPRESSOR LINES GROUP--Type 1
Serial No. 90U281-Up

9L-6971 LINES GP-AIR COMPRESSOR

9L6971 AIR COMPRESSOR LINES GROUP--Type 2
Serial No. 90U281-Up

9L-6970 AIR COMPRESSOR GP

9L6970 AIR COMPRESSOR GROUP
Serial No. 90U281-Up
4N6954 Air Compressor parts are shown on Page 206-4

4N-6954 AIR COMPRESSOR GP

4N6954 AIR COMPRESSOR GROUP
Part of 9L6970 Air Compressor Group shown on Page 206-3

BELT TIGHTENER GP

3N-9582 BELT TIGHTENER GP

3N9582 BELT TIGHTENER GROUP
AN ATTACHMENT

CAMSHAFT GP

6N-1406 CAMSHAFT

CAMSHAFT (6N1406 N/S)
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 and 15A

6N-1405 CAMSHAFT ASSEMBLY

6N1405 CAMSHAFT ASSEMBLY
Part of Camshaft

COUPLING GP

6L-3916 COUPLING GP-GENERATOR DRIVE

6L3916 COUPLING GROUP--Type 1
Part of 3N3143 Generator Installation Arrangement listed on Page 175

6L-3916 COUPLING GP-GENERATOR DRIVE

6L3916 COUPLING GROUP--Type 2
Part of 3N3143 Generator Installation Arrangement listed on Page 175

5N-1627 COUPLING GP-GENERATOR DRIVE

5N1627 GENERATOR DRIVE COUPLING GROUP
Part of 5N1629 Generator Installation Arrangement listed on Page 175
AN ATTACHMENT

5N-5891 GENERATOR DRIVE COUPLING GROUP

5N5891 GENERATOR DRIVE COUPLING GROUP
FOR USE WITH 5N64, 5N65, 5N66, 5N67, 5N68, 5N69, 5N70 AND 5N71 GENERATORS

CRANKSHAFT GP

4N-0928 CRANKSHAFT ASSEMBLY

4N928 CRANKSHAFT ASSEMBLY
Serial No. 90U1 to 90U276 inclusive
Part of 4N741 Crankshaft Group shown on Page 19

4N-0741 CRANKSHAFT GP

4N741 CRANKSHAFT GROUP
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 and 15A. 4N928
Crankshaft is shown on Pages 18C and 19. Only separate parts serviced

4N-0928 CRANKSHAFT ASSEMBLY

4N928 CRANKSHAFT ASSEMBLY
Serial No. 90U277-Up
Part of 4N741 Crankshaft Group

4N-2259 CRANKSHAFT SEAL GROUP

4N2259 CRANKSHAFT SEAL GROUP
Serial No. 90U1 to 90U316 inclusive

CYLINDER BLOCK GP

4N-2257 CYLINDER BLOCK GP

4N2257 CYLINDER BLOCK GROUP
Serial No. 90U1 to 90U280 inclusive
4N7645 Cylinder Block parts are shown on Page 18
Refer to Page 26A for special parts

9N-0015 COVER GP-CYLINDER BLOCK

9N15 CYLINDER BLOCK COVER GROUP
Serial No. 90U1 to 90U280 inclusive

4N-2257 CYLINDER BLOCK GP

4N2257 CYLINDER BLOCK GROUP
Serial No. 90U281-Up
6N1008 Cylinder Block parts are shown on Pages 18A & 18B
Refer to Page 26A for special parts

9N-0015 COVER GP-CYLINDER BLOCK

9N15 CYLINDER BLOCK COVER GROUP
Serial No. 90U281-Up

9N-0684 COVER GP-CYLINDER BLOCK

9N684 CYLINDER BLOCK COVER GROUP
Part of 4N4238, 6N459 and 6N460 Engine Procurement Arrangements listed on Pages
13 and 16B. Note: Covers opening available for Aftercooler Water Return
Only separate parts serviced

4N-7645 CYLINDER BLOCK ASSEMBLY

4N7645 CYLINDER BLOCK ASSEMBLY
Serial No. 90U1 to 90U280 inclusive
Part of 4N2257 Cylinder Block Group shown on Page 17

6N-1008 CYLINDER BLOCK GROUP

6N1008 CYLINDER BLOCK GROUP
Serial No. 90U281 to 90U309 inclusive
Part of 4N2257 Cylinder Block Group shown on Page 17A

6N-1008 CYLINDER BLOCK GROUP

6N1008 CYLINDER BLOCK GROUP
Serial No. 90U310-Up
Part of 4N2257 Cylinder Block Group shown on Page 17A

CYLINDER HEAD GP

4N-2270 CYLINDER HEAD GP

4N2270 CYLINDER HEAD GROUP
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 and 15A. Head Group parts are shown
on Page 25. Only separate parts serviced

4N-2260 CYLINDER HEAD GP

4N2260 CYLINDER HEAD GROUP
Part of 4N4238, 4N6191, 6N460, 6N459 and 6N458 Engine Procurement Arrangements
listed on Pages 13, 16, 16A and 16B. Only separate parts serviced

4N-0749 CYLINDER HEAD

CYLINDER HEAD (4N749 N/S)
Part of 4N2270 and 4N2260 Cylinder Head Groups shown on Pages 23 and 24

7N-0628 GASKET GROUP

7N628 GASKET GROUP--Field Installation
Eliminates Oil Transfer from Rocker Arm Oil Supply Holes to Water Jacket Areas
Note: 7N624 Block Plate is available

DAMPER GP

4N-4005 PULLEY AND DAMPER GROUP

4N4005 PULLEY AND DAMPER GROUP
Part of 4N2238 Basic Engine Arrangement listed on Page 14
Only separate parts serviced

4N-9561 GUARD GP-DAMPER

4N9561 DAMPER GUARD GROUP
AN ATTACHMENT

DRIVE GP-ACCESSORY

4N-2264 DRIVE GP-ACCESSORY

4N2264 ACCESSORY DRIVE GROUP--Type 1
AN ATTACHMENT

4N-2264 DRIVE GP-ACCESSORY

4N2264 ACCESSORY DRIVE GROUP--Type 2
AN ATTACHMENT

5N-3621 DRIVE GP-ACCESSORY

5N3621 ACCESSORY DRIVE GROUP
AN ATTACHMENT

4N-5295 COVERS GP-ACCESSORY

4N5295 ACCESSORY COVERS GROUP

DRIVE GP-AUXILIARY

4N-5293 AUXILIARY DRIVE GROUP

4N5293 AUXILIARY DRIVE GROUP--Foreward
Replaced by 7N8987 shown on Page 202-1

4N-5294 DRIVE GP-AUXILIARY

4N5294 AUXILIARY DRIVE GROUP--Rearward

7N-8987 DRIVE GP-AUXILIARY

7N8987 AUXILIARY DRIVE GROUP--L.H. Front--Forward

6N-0322 AUXILIARY DRIVE GROUP

6N322 AUXILIARY DRIVE GROUP--R.H. Front
Serial No. 90U305-Up
Replaced by 7N8877 shown on Page 202A

7N-8877 DRIVE GP-AUXILIARY

7N8877 AUXILIARY DRIVE GROUP--R.H. Front
Serial No. 90U305-Up

4N-5292 AUXILIARY DRIVE GROUP

4N5292 AUXILIARY DRIVE GROUP--R.H. Front

DRIVE GP-FAN

4N-3143 FAN DRIVE GROUP

4N3143 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6376 FAN DRIVE GROUP

4N6376 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6425 FAN DRIVE GROUP

4N6425 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-2533 FAN DRIVE GROUP

4N2533 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6375 FAN DRIVE GROUP

4N6375 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6424 FAN DRIVE GROUP

4N6424 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-3139 FAN DRIVE GROUP

4N3139 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

6N-0748 FAN DRIVE GROUP

6N748 FAN DRIVE GROUP--.681 Drive Ratio--Replaced by 8N6587--Page 68C
NOTE: ALLOWS A FAN CENTER LOCATION FROM 13.88 TO 24.00 INCHES ABOVE THE CRANK
AN ATTACHMENT

6N-0747 FAN DRIVE GROUP

6N747 FAN DRIVE GROUP--.571 Drive Ratio--Replaced by 8N6588--Page 68D
NOTE: ALLOWS A FAN CENTER LOCATION FROM 13.88 TO 24.00 INCHES ABOVE THE CRANK
AN ATTACHMENT

8N-6587 DRIVE GP-FAN

8N6587 FAN DRIVE GROUP--.681 Drive Ratio
AN ATTACHMENT

8N-6588 DRIVE GP-FAN

8N6588 FAN DRIVE GROUP--.571 Drive Ratio
AN ATTACHMENT

4N-6378 FAN DRIVE GROUP

4N6378 FAN DRIVE GROUP
Refer to Chart shown on Page 53B. AN ATTACHMENT

4N-6429 FAN DRIVE GROUP

4N6429 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6427 FAN DRIVE GROUP

4N6427 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-3138 FAN DRIVE GROUP

4N3138 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6377 FAN DRIVE GROUP

4N6377 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6428 FAN DRIVE GROUP

4N6428 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-6426 FAN DRIVE GROUP

4N6426 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-4729 FAN DRIVE GROUP

4N4729 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

4N-4728 FAN DRIVE GROUP

4N4728 FAN DRIVE GROUP
Refer to Chart shown on Page 53B
AN ATTACHMENT

6N-0749 FAN DRIVE GROUP

6N749 FAN DRIVE GROUP--.800 Drive Ratio--Replaced by 8N6589--Page 77C.01
NOTE: ALLOWS A FAN CENTER LOCATION FROM 13.88 TO 24.00 INCHES ABOVE THE CRANK
AN ATTACHMENT

6N-0750 FAN DRIVE GROUP

6N750 FAN DRIVE GROUP--.941 Drive Ratio--Replaced by 1W1176--Page 77C.02
NOTE: ALLOWS A FAN CENTER LOCATION FROM 13.88 TO 24.00 INCHES ABOVE THE CRANK
AN ATTACHMENT

6N-0746 FAN DRIVE GROUP

6N746 FAN DRIVE GROUP--.485 Drive Ratio--Replaced by 1W1175--Page 77C.03
NOTE: ALLOWS A FAN CENTER LOCATION FROM 13.88 TO 24.00 INCHES ABOVE THE CRANK
AN ATTACHMENT

8N-6589 DRIVE GP-FAN

8N6589 FAN DRIVE GROUP--.800 Drive Ratio
AN ATTACHMENT

1W-1176 DRIVE GP-FAN

1W1176 FAN DRIVE GROUP--.941 Drive Ratio
AN ATTACHMENT

1W-1175 DRIVE GP-FAN

1W1175 FAN DRIVE GROUP--.485 Drive Ratio
AN ATTACHMENT

6N-0329 FAN DRIVE GROUP

6N329 FAN DRIVE GROUP--46 Inch--Type 1
Refer to Chart shown on Page 53B
AN ATTACHMENT

6N-0329 BLOWER FAN DRIVE GROUP

6N329 BLOWER FAN DRIVE GROUP--46 Inch--Type 2
Refer to Chart shown on Page 53B
AN ATTACHMENT

6N-0330 FAN DRIVE GROUP

6N330 FAN DRIVE GROUP--46 Inch--Type 1
Refer to Chart shown on Page 53B
AN ATTACHMENT

6N-0330 SUCTION FAN DRIVE GROUP

6N330 SUCTION FAN DRIVE GROUP--46 Inch--Type 2
Refer to Chart shown on Page 53B
AN ATTACHMENT

DRIVE GP-PUMP

4N-5319 DRIVE GP-PUMP

4N5319 HYDRAULIC PUMP DRIVE GROUP

FLYWHEEL GP

4N-0807 FLYWHEEL GROUP

4N807 FLYWHEEL GROUP--Factory Installation
AN ATTACHMENT

4N-9620 FLYWHEEL GP

4N9620 FLYWHEEL GROUP
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 & 15A

6N-1299 FLYWHEEL GP

6N1299 FLYWHEEL GROUP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING AND TO ADAPT TO CLARK
EQUIPMENT TORQUE CONVERTER 14, 15 AND 16 SERIES WITHOUT CLUTCH
AN ATTACHMENT

6N-1281 FLYWHEEL GP

6N1281 FLYWHEEL GROUP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING TO ADAPT TO TWIN DISC
TORQUE CONVERTER WITH CLUTCH. AN ATTACHMENT

6N-1328 FLYWHEEL GP

6N1328 FLYWHEEL GROUP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING AND TO ADAPT TO CLARK EQUIPMENT
TORQUE CONVERTER NO. 16 AND 17 WITH CLUTCH. AN ATTACHMENT

6N-9829 ADAPTER GP-FLYWHEEL

6N9829 FLYWHEEL ADAPTER GROUP
Serial No. 90U240-Up
AN ATTACHMENT

9N-2518 FLYWHEEL GP

9N2518 FLYWHEEL GROUP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING
AN ATTACHMENT

GEAR GP

4N-2274 GEAR GP-FRONT TIMING

4N2274 FRONT GEAR GROUP--Timing

HOUSING GP-FLYWHEEL

4N-4792 COVER GP-FLYWHEEL HOUSING

4N4792 FLYWHEEL HOUSING COVER GROUP
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 and 15A
Only separate parts serviced

4N-0732 HOUSING GP-FLYWHEEL

4N732 FLYWHEEL HOUSING GROUP
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 and 15A
Only separate parts serviced

HOUSING GP-FRONT

4N-3911 HOUSING GP-FRONT

4N3911 FRONT HOUSING GROUP
Serial No. 90U1 to 90U296 inclusive. Part of 4N2238 Basic Engine Arrangement listed
on Page 14. Only separate parts serviced

4N-6006 FASTENER GP-FRONT HOUSING

4N6006 FRONT HOUSING FASTENER GROUP
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 and 15A
Only separate parts serviced

4N-3911 HOUSING GP-FRONT

4N3911 FRONT HOUSING GROUP
Serial No. 90U297-Up

4N-5691 COVER GP-FRONT HOUSING

4N5691 FRONT COVER GROUP
Serial No. 90U1 to 90U274 inclusive
Part of 4N2238 Basic Engine Arrangement listed on Page 14

4N-5691 COVER GP-FRONT HOUSING

4N5691 FRONT COVER GROUP
Serial No. 90U275-Up
Part of 4N2238 Basic Engine Arrangement listed on Pages 14 and 15A

LIFTING GP-ENGINE

4N-1331 LIFTING GP

4N1331 LIFTING EYE GROUP

5N-2003 LIFTING GP

5N2003 LIFTING GROUP--Packaged Generator Set
AN ATTACHMENT

MOUNTING GP-ENGINE

8N-9560 MOUNTING GP-ENGINE

8N9560 ENGINE MOUNTING GROUP--Flexible
AN ATTACHMENT

6N-0719 SUPPORT GP-ENGINE

6N719 ENGINE SUPPORT GROUP--Front
AN ATTACHMENT

4N-0642 SUPPORT GP-ENGINE

4N642 SUPPORT GROUP--Front

4N-4286 SUPPORT GP-ENGINE

4N4286 SUPPORT GROUP--Rear
AN ATTACHMENT

PAN GP-OIL

4N-0756 PAN GP-OIL

4N756 OIL PAN GROUP

PISTON & ROD GP

4N-0764 CONNECTING ROD AND PISTON GROUP

4N764 CONNECTING ROD AND PISTON GROUP--6 Required
Serial No. 90U1 to 90U224 inclusive. Part of 4N2238 Basic Engine Arrangement
listed on Page 14. Only separate parts serviced

8N-2486 CONNECTING ROD ASSEMBLY

8N2486 CONNECTING ROD ASSEMBLY
Serial No. 90U225-Up. Field Replacement for 6N1828 Rod Assembly--Page 21

4N-0764 CONNECTING ROD AND PISTON GROUP

4N764 CONNECTING ROD AND PISTON GROUP--6 Required
Serial No. 90U225-Up. For Field Replacement of 6N1828 Rod Assembly order
8N2486 Rod Assembly--Page 20B

4N-0758 PISTON & ROD GP

4N758 CONNECTING ROD AND PISTON GROUP--6 Required
For Field Replacement of 6N1828 Rod Assembly order 8N2486
Rod Assembly--Page 20B

POWER TAKE-OFF GP

6N-0587 POWER TAKE-OFF GP

6N587 SINGLE CLUTCH POWER TAKE-OFF
FOR USE WITH ELECTRIC SET AND 6N715 WATER LINES GROUP SHOWN ON PAGE 46E
3N7841 Clutch parts are shown on Page 198B

3N-7841 CLUTCH GP

3N7841 CLUTCH GROUP--Power Take-Off
Part of 6N587 Single Clutch Power Take-Off Group shown on Page 198A

3N-8617 TAKE-OFF GP-REAR CLUTCH POWER

3N8617 REAR CLUTCH POWER TAKE-OFF GROUP
3N8613 Clutch parts are shown on Pages 198D and 198E

5N-1678 SUPPORT GP-POWER TAKE-OFF

5N1678 POWER TAKE-OFF SUPPORT GROUP--Clutch

3N-8613 CLUTCH GP

3N8613 CLUTCH GROUP--Part 1 of 2
Part of 3N8617 Rear Clutch Power Take-Off Group shown on Page 198C

3N-8613 CLUTCH GP

3N8613 CLUTCH GROUP--Part 2 of 2
Part of 3N8617 Rear Clutch Power Take-Off Group shown on Page 198C

3N-6542 POWER TAKE-OFF GP-REAR

3N6542 CLUTCH GROUP
3N6545 Clutch parts are shown on Page 200

3N-6543 CLUTCH GROUP

3N6543 CLUTCH GROUP
3N6544 Clutch parts are shown on Page 201
Only separate parts serviced

3N-6545 CLUTCH GP

3N6545 CLUTCH GROUP--Type 1
Part of 3N6542 Clutch Group shown on Page 199

3N-6545 CLUTCH GP

3N6545 CLUTCH GROUP--Type 2
Part of 3N6542 Clutch Group shown on Page 199

3N-6544 CLUTCH GP

3N6544 CLUTCH GROUP
Specification No. 35169-Up
Part of 3N6543 Clutch Group shown on Page 199

3N-6544 CLUTCH GP

3N6544 CLUTCH GROUP
Specification No. 34611 to 35168 inclusive
Part of 3N6543 Clutch Group shown on Page 199

2W-4903 POWER TAKE-OFF GP-REAR

2W4903 REAR POWER TAKE-OFF GROUP--Clutch
2W4902--Page 201.02. FOR USE WITH 6N1299 FLYWHEEL GROUP SHOWN
ON PAGE 34A. AN ATTACHMENT

5N-3334 REAR POWER TAKE-OFF GROUP

5N3335 REAR POWER TAKE-OFF GROUP
5N3334--Page 201.03. AN ATTACHMENT

2W-4902 CLUTCH GP

2W4902 CLUTCH GROUP
Part of 2W4903 Rear Power Take-Off Group
For Field Replacement order 3N4128--Page 201.04
AN ATTACHMENT

5N-3334 CLUTCH GP

5N3334 CLUTCH GROUP
Part of 5N3335 Rear Power Take-Off Group
For Field Replacement order 3N4128--Page 201.04
AN ATTACHMENT

3N-4128 CLUTCH AS

3N4128 CLUTCH ASSEMBLY
Provides Field Replacement for 5N3334 and 2W4902 Clutch Groups

2W-4909 POWER TAKE-OFF GP-REAR

2W4909 REAR CLUTCH POWER TAKE-OFF GROUP
2W4908--Page 201.06. AN ATTACHMENT

2W-4908 CLUTCH GP

2W4908 CLUTCH GROUP--Part 1 of 2
Part of 2W4909 Rear Clutch Power Take-Off Group
AN ATTACHMENT

2W-4908 CLUTCH GP

2W4908 CLUTCH GROUP--Part 2 of 2
Part of 2W4909 Rear Clutch Power Take-Off Group
AN ATTACHMENT

PULLEY GP

4N-4005 PULLEY AND DAMPER GROUP

4N4005 PULLEY AND DAMPER GROUP
Part of 4N2238 Basic Engine Arrangement listed on Page 14
Only separate parts serviced

4N-6391 PULLEY GP-AUXILIARY DRIVE

4N6391 AUXILIARY DRIVE PULLEY GROUP
NOT FOR USE WITH FRONT POWER TAKE-OFF

SHAFT GP-STUB

3N-6061 SHAFT GP-STUB

3N6061 STUB SHAFT GROUP--Front
FOR USE WITH MARINE ENGINE GENERATOR SET. CANNOT BE USED WITH
RADIATOR FAN DRIVE, CRANKSHAFT PULLEY AND FRONT POWER TAKE-OFF

3N-6538 STUB SHAFT GROUP

3N6538 STUB SHAFT GROUP--Rear

SERPENTINE/V-BELTS

1N-3880 GUARD GP-BELT

1N3880 BELT GUARD GROUP
Provides a Pulley and Belt Safety Guard Group for the Motorola Alternator
FOR USE WITH RADIATOR AND FAN. AN ATTACHMENT

1N-3876 GUARD GP-BELT

1N3876 BELT GUARD GROUP
Provides a Pulley and Belt Safety Guard Group for the Delco Alternator
FOR USE WITH RADIATOR AND FAN. AN ATTACHMENT

VALVE MECHANISM GP

4N-2271 VALVE MECHANISM GP

4N2271 VALVE MECHANISM GROUP
4N1045--Page 26

4N-1045 ROCKER ARM GP

4N1045 ROCKER ARM GROUP
Part of 4N2271 Valve Mechanism

4N-2272 COVER GP-VALVE MECHANISM

4N2272 VALVE MECHANISM COVER GROUP

Information:

(For parts list, see above)

BASIC ENGINE

ADAPTER GP-ENGINE TO XMSN

Service Magazine

New 1U5524 Adapter Cable Available For Use With 6V9060 Spark Timing Adapter Group And 8T5300 Engine Timing Indicator Group{0779,0781}
1987/07/06

AIR COMPRESSOR GP

General Service Information

Tu-Flo 300 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C

Tu-Flo 400, 500, 1000 Compressors
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C

Tu-Flo 501 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C

Tu-Flo 600 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C

Tu-Flo 700 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C

Truck Engine News

A New Special Instruction , "Troubleshooting Compressed Air System Components and Performance" Is Available {1803, 5500}
2002/09/01

Engine News

Air Compressor Piston Now Has Five Rings{1803}
1995/09/01

A New Diagnostic Kit for the Evaluation of Air Compressor Operation is Introduced {1803}
2004/11/01

Special Instruction

Recommendations For Cold Weather Starting Of Engines Equipped To Operate Air Compressors And Drills{1000, 1450}
Recommendations For Cold Weather Starting Of Engines Equipped To Operate Air Compressors And Drills{1000, 1450}

Air Compressor Installation Instructions{1803}
Air Compressor Installation Instructions{1803}

Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Troubleshooting Compressed Air System Components and Performance{1803, 5500}

Specifications

Air Compressor Drive
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Repair Kits Available For Air Compressor{1803}
1982/11/15

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

A New Special Instruction, REHS1428 , "Troubleshooting Compressed Air System Components and Performance" Is Available {1803, 5500}
2002/09/23

BALANCER GP

Engine News

Balancer Shaft And Gear Now Available Separately
1983/04/27

BELT TIGHTENER GP

Specifications

Belt Tightener
3406 INDUSTRIAL & MARINE ENGINES

V-Belt Tension Chart
3406 INDUSTRIAL & MARINE ENGINES

Belt Tightener (3N9582)
3406 INDUSTRIAL & MARINE ENGINES

V-Belt Tension Chart
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

New Color Used For Fan Belt Tightener Spring{1358}
1984/06/04

CAMSHAFT GP

Engine News

Reusability Of Camshaft Rollers And Roller Followers
1982/09/22

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

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

New 8T2998 Lubricant Available
1986/03/01

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed
1986/10/01

Additional Information For Checking Valve Camshaft Timing
1989/12/01

Remanufactured Camshafts And Cam Kits Available For Parts Service
1990/12/01

Camshaft Lobe Surface Finish Improved; Camshaft Drive Gear Installation Procedure
1993/09/01

New Valve Lifter Assembly Provides Improved Lubrication Of Lifter Roller And Camshaft Lobes {1209,1210}
1994/06/01

Inspect For Correct Camshaft Idler Gear Shaft And Bolts{1206}
1995/01/01

New Service Repair Camshaft Idler Gear Shaft Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/09/01

Same Valve Camshaft Assembly Used On Direct Injection Engines Now Used On Engines That Have Precombustion Chambers
1977/01/28

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25

Cat® Reman Has Added Valve Lifters, Rocker Arms, and Camshafts for Certain Engines and Generator Set Engines {1123, 1130, 1209, 1210}
2014/09/05

Specifications

Camshaft
3406 INDUSTRIAL & MARINE ENGINES

Reuse And Salvage Guidelines

Reuse and Salvage for Camshafts {1210, 1210}
Reuse and Salvage for Camshafts {1210, 1210}

Information Release Memo

APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Disassembly and Assembly

Camshaft
3406 INDUSTRIAL & MARINE ENGINES

Camshaft Bearings
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Reusability Of Camshaft Rollers And Roller Followers{1209,1210}
1982/09/06

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

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

Maximum Wear Limits Established For Camshaft Roller Followers{1209}
1985/09/30

New 8T2998 Lubricant Available{0645,1210}
1986/02/17

Same Valve Camshaft Assembly Used On Direct Injection Engines Now Used On Engines That Have Precombustion Chambers{1210}
1977/01/24

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16

Additional Information For Checking Valve Camshaft Timing{1105,1110,1112,1121}
1989/12/11

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

Camshaft Lobe Surface Finish Improved; Camshaft Drive Gear Installation Procedure {1209,1210,1212}
1993/09/13

CLUTCH GP

Engine News

Use Correct Installation Procedure For Clutch Pilot Bearing In Rear Power Takeoff
1979/08/08

Installation Of Rear Bearing Oil Seals In 3N6542, 3N8617, And 3N8618 Rear Power Takeoff Clutch Groups
1981/05/20

Special Instruction

Procedure For Conversion From Oil Lubrication To Grease Lubrication For Rear Power Takeoff Clutches{3055}
Procedure For Conversion From Oil Lubrication To Grease Lubrication For Rear Power Takeoff Clutches{3055}

Specifications

Power Take-Off Clutch Groups
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Installation Of Rear Bearing Oil Seals In 3N6542, 3N8617, And 3N8618 Rear Power Takeoff Clutch Groups{3055}
1981/05/11

Use Correct Installation Procedure For Clutch Pilot Bearing In Rear Power Takeoff{3055}
1979/08/06

Clutch (PTO) Warranty On Morbark Industries Products Powered By Caterpillar Engines{7758}
1992/07/20

Lubrication Change On Twin Disc Power Take-Off's (PTO's){3055}
1994/08/22

COUPLING GP

Quick Disconnect Coupling On Optional Modification Of 5P4150 Nozzle Tester Permits Faster Exchange Of Adapters{0651,1254}
1979/09/03

CRANKSHAFT GP

Truck Engine News

New Front Crankshaft Seals and New Rear Crankshaft Seals are Now in Production {1160, 1161}
2003/05/01

Engine News

New Design Thrust Plate Used In Crankshaft Group
1979/08/22

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

6V2086 And 6V2087 Seal And Wear Sleeve Installers Available
1980/09/10

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

Wider Crankshaft Gear Used
1982/10/20

6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/11/10

New Crankshaft Seal Groups Used
1982/11/10

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

Crankshaft Failures
1983/11/30

Remanufactured Undersize Crankshafts Are Available
1984/04/11

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

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

Crankshaft Seal Usage On 3400 Series Engines
1986/01/01

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

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

Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts
1991/01/01

Oil Holes In Crankshaft Main And Rod Journals
1992/10/01

Wear Sleeve Removal Tooling May "Mark" The Crankshaft{1202,1161}
1995/08/01

Recommendations For Inspection And Replacement Of Rubber and Viscous Crankshaft Dampers{1205}
1995/09/01

Points To Remember When Replacing A Viscous Crankshaft Damper Assembly With A Rubber Crankshaft Damper Assembly{1205}
1997/01/22

Installation Procedure For Crankshaft Wear Sleeves Changed
1977/09/07

Replacement Bearings Have Aluminum Alloy With More Strength
1977/10/26

Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts
1977/11/09

Replacement Seals And Wear Sleeves Now Available As A Crankshaft Seal Kit
1978/03/01

New Front Crankshaft Seals and New Rear Crankshaft Seals are Now in Production {1160, 1161}
2003/05/01

A New Type of Main Bearing is Now Used {1203}
2013/03/01

Inspection and/or Repair Procedure to Replace Crankshafts on Industrial Engines {1202}
2006/05/01

Use Reuse and Salvage Guidelines for Measurements of Crankshafts which Includes the Crankshaft of the Remanufactured Engine with the Serial Number Prefix 1WW {1202}
2006/10/09

Procedure for Crankshafts that will not Rotate after Installation during a Rebuild {1202}
2008/09/15

A New Type of Main Bearing is Available {1202, 1203}
2008/09/29

Special Instruction

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}

Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}
Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}

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}

Special Handling Information For Installation Of 2W1733 Or 2W1734 Crankshaft Seal Group{1160, 1161, 1202}
Special Handling Information For Installation Of 2W1733 Or 2W1734 Crankshaft Seal Group{1160, 1161, 1202}

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}

Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}
Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}

Technical Information Bulletin

NEW CRANKSHAFT SEALS FOR THE FRONT AND FOR THE REAR ARE NOW IN PRODUCTION BUT ARE NOT AVAILIBLE TO BE OREDERD AT THIS TIME
NEW CRANKSHAFT SEALS FOR THE FRONT AND FOR THE REAR ARE NOW IN PRODUCTION BUT ARE NOT AVAILIBLE TO BE OREDERD AT THIS TIME

Specifications

Crankshaft
3406 INDUSTRIAL & MARINE ENGINES

Tool Operating Manual

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

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}

Disassembly and Assembly

Crankshaft Main Bearings
3406 INDUSTRIAL & MARINE ENGINES

Crankshaft Front And Rear Seal And Wear Sleeve
3406 INDUSTRIAL & MARINE ENGINES

Crankshaft
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

6V2086 And 6V2087 Seal And Wear Sleeve Installers Available{0622,1160,1161}
1980/09/01

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

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

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

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

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

Wider Crankshaft Gear Used{1202,1204,1206}
1982/10/11

New Crankshaft Seal Groups Used{1160,1161}
1982/11/01

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

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

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

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

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

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

Crankshaft Seal Usage On 3400 Series Engines{1160,1161}
1985/12/16

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

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

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

Tools To Remove Wear Sleeves From Crankshafts{0621,7558}
1977/04/18

Tools To Install Crankshaft Seal And Wear Sleeve{1160,1161,0622}
1977/07/11

Installation Procedure For Crankshaft Wear Sleeves Changed{1202,1160,1161}
1977/09/05

Replacement Bearings Have Aluminum Alloy With More Strength{1203,1213,1230}
1977/10/24

Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts{1205}
1977/10/31

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

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

Replacement Seals And Wear Sleeves Now Available As A Crankshaft Seal Kit{1202,1160,1161}
1978/02/27

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

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

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

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

Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}
1992/09/07

Oil Holes In Crankshaft Main And Rod Journals{1202}
1992/11/09

Damper Requirements For Remanufactured Short Blocks{1205}
1993/08/16

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

CYLINDER BLOCK GP

Truck Engine News

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

Engine News

Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines
1980/04/09

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

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

Inspection Marks On Bearings
1982/05/12

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

Effects Of Liner Wear In Engines Using Plasma Coated Top Rings
1985/12/01

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

New Liner Seat Insert Available
1988/12/01

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

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

Damper Requirements For Remanufactured Short Block
1993/08/01

Additional Parts Required For Remanufactured Short Block
1993/09/01

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

New Service Repair Camshaft Idler Gear Shaft Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/09/01

New Material Used In O-Rings And Optional New Block Side Cover Replacement{1201}
1996/02/16

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

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

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

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

Cylinder Pack Upgrade Is Available for Certain 3406B and 3406C Engines When Replacing All Six Cylinders Packs {1201, 1225}
2012/08/30

A New Piston Cooling Jet Assembly Has Been Released {1331}
2006/08/14

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}

INSTALLATION OF 7N628 GASKET SERVICE GROUP{1101, 1221}
INSTALLATION OF 7N628 GASKET SERVICE GROUP{1101, 1221}

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}

Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}
Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}

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 6V-7840 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Liner Flange Breakage
Liner Flange Breakage

Specifications

Cylinder Block
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Liner
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Liner Projection
3406 INDUSTRIAL & MARINE ENGINES

Bearings For Connecting Rods And Mains
3406 INDUSTRIAL & 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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 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 6V-7840 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Crankshaft Main Bearings
3406 INDUSTRIAL & MARINE ENGINES

Camshaft Bearings
3406 INDUSTRIAL & MARINE ENGINES

Spacer Plate
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Liners
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}
1980/03/31

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

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

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

Wider Crankshaft Gear Used{1202,1204,1206}
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

Effects Of Liner Wear In Engines Using Plasma Coated Top Rings{1215,1216,7770}
1985/11/11

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

Replacement Bearings Have Aluminum Alloy With More Strength{1203,1213,1230}
1977/10/24

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

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

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

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

New One-Piece Flywheel Housing Gasket{1157,1201}
1978/07/03

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

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

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; Summary Of Earlier Gaskets And Service Tips{1124,1216,1221}
1989/08/21

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

Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks{1201,1253}
1992/08/31

Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}
1992/09/07

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

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

Damper Requirements For Remanufactured Short Blocks{1205}
1993/08/16

Additional Parts Required For Remanufactured Short Block{1200}
1993/09/27

CYLINDER HEAD GP

Engine News

New Tool Makes Glow Plug Wire Removal Easier
1981/05/20

Service Manual Information About Inside Diameters Of Valve Guides
1981/10/21

New Fuel Nozzle Adapter Assembly Used
1982/02/24

Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary
1982/04/07

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

Improved Inlet And Exhaust Valves
1982/09/22

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/20

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

Use Caution During Replacement Of Damaged Nozzle Adapters Or Precombustion Chambers
1983/01/19

Engine Valve Stem "Use Again" Specifications
1983/03/16

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/10/26

New Valve Lifter Assemblies Used In Valve Mechanism Groups
1983/11/30

New Cylinder Head Assembly Made With A Different Material
1984/02/22

New Adapter Assemblies And Clamps Hold Fuel Nozzles In Position
1984/04/11

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

Surface Grinding Of Compacted Graphite Iron Cylinder Heads
1984/07/11

New Inlet Valves Used In Cylinder Heads
1984/09/12

New High Alloy Material Is Used In Cylinder Head Assemblies
1984/10/24

A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures" Is Available
1985/03/01

Adjust Bridge Whenever Valve Clearance Adjustments Are Made
1986/04/01

Determining The Cause Of Glow Plug Tip Failures
1986/06/01

Valve Lash Adjustment Interval Is Changed
1986/07/01

Change To Interval For Valve Lash Adjustment
1987/02/01

Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts
1987/04/01

Silicone Rubber Water Seals Available
1987/07/01

High Alloy Cylinder Head Improved
1987/07/01

Improved Valve Mechanism Cover Groups
1988/01/01

Improved Head Gasket Used; Summary Of Earlier Gaskets And Service Tips
1989/08/01

Improved Head Gasket Used; Service Tips
1990/03/01

Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary
1990/05/01

New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01

New Cylinder Heads Have Additional Coolant Passages
1992/06/01

Cylinder Head Gaskets Improved To Provide Better Fire Ring Retention{1124}
1994/02/01

Identification Of Intake And Exhaust Valves That May Be Used In Remanufactured Direct Injected 3400 Cylinder Heads{1105}
1994/04/18

New Intake And Exhaust Valves Used {1105,1100}
1994/06/01

New Rocker Arm Adjustment Screw Used To Adjust Valve Clearance {1123,1100}
1994/06/01

New Valve Lifter Assembly Provides Improved Lubrication Of Lifter Roller And Camshaft Lobes {1209,1210}
1994/06/01

Valve Lash Adjustment Intervals{1105}
1995/08/01

New And Reconditioned Valve Projection Specifications{1105}
1995/09/01

Improved Exhaust Valve Now Available
1977/03/15

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25

5P7333 Tool Group Available For The Repair Of Loose Bridge Dowels On Cylinder Heads
1977/06/29

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

Tolerance Added To Valve Clearance Specifications
1978/01/18

Use Again Specifications For Valve Springs Are Changed
1978/03/01

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned
1978/08/16

Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03

Clearly Mark all of the Cracks on the Cylinder Head Including Remanufactured Engines with Serial Number Prefixes 1WW, BFF, DLA, BFD, BKY, BLR, ECP, BGE, BKS, BLJ, B1A, BNF and 2MZ {1101, 7754}
2006/04/10

Special Instruction

INSTALLATION OF 7N628 GASKET SERVICE GROUP{1101, 1221}
INSTALLATION OF 7N628 GASKET SERVICE GROUP{1101, 1221}

Use Of The 5P7333 Tool Group For Bridge Dowel Repair{1101}
Use Of The 5P7333 Tool Group For Bridge Dowel Repair{1101}

Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}

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

Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}

Installation Of Cylinder Head Assembly{1101}
Installation Of Cylinder Head Assembly{1101}

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

Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}

Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}

Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}

Specifications

Valves
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Head
3406 INDUSTRIAL & MARINE ENGINES

Tool Operating Manual

185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}

{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}

M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}
M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}

Reuse And Salvage Guidelines

Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}

Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}

Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}

Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}

Applied Failure Analysis

Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}

Information Release Memo

APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Disassembly and Assembly

Precombustion Chambers
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Head
3406 INDUSTRIAL & MARINE ENGINES

Valves
3406 INDUSTRIAL & MARINE ENGINES

Valve Seat Inserts
3406 INDUSTRIAL & MARINE ENGINES

Bridge Dowels, Valve Guides
3406 INDUSTRIAL & MARINE ENGINES

Valve Guides
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Use The Correct Water Temperature Contactor{1350,1100}
1980/02/11

Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}
1980/03/31

Service Manual Information About Inside Diameters Of Valve Guides{1104,0374}
1981/10/05

New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15

Reconditioning of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1100}
1982/03/08

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

Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06

Improved Inlet And Exhaust Valves{1105}
1982/09/06

New Instruction Card Available For 6V87 Valve Stem Gauge{0653}
1982/09/06

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

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

Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28

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

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17

New Cylinder Head Assembly Made With A Different Material {1101}
1984/02/06

New Adapter Assemblies And Clamps Hold Fuel Nozzles In Position{1106,1252}
1984/04/09

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

Surface Grinding Of Compacted Graphite Iron Cylinder Heads{1101}
1984/07/02

New Inlet Valve Used{1105}
1984/09/03

New High Alloy Material Is Used In Cylinder Head Assemblies{1101}
1984/10/15

Remanufactured Cylinder Head Groups{1100,1101,7554}
1984/11/19

Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14

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

Adjust Bridge Whenever Valve Clearance Adjustments Are Made{1121,1105,1100}
1986/04/07

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

Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07

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

Avoid Oil Contact With New Water Passage Seals Used In Cylinder Head Groups{1100}
1986/12/15

New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17

Same Valve Camshaft Assembly Used On Direct Injection Engines Now Used On Engines That Have Precombustion Chambers{1210}
1977/01/24

Improved Exhaust Valve Now Available{1105}
1977/02/28

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16

5P7333 Tool Group Available For The Repair Of Loose Bridge Dowels On Cylinder Heads{0663,1101}
1977/06/20

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

Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22

Change To Interval For Valve Lash Adjustment{1103,1105,1123}
1987/02/16

Remanufactured Cylinder Heads For 3406 Engines{1100}
1987/03/16

Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30

Silicone Rubber Water Seals Available{1100}
1987/07/06

High Alloy Cylinder Head Improved{1101}
1987/07/06

Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30

Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned{1254,1101}
1978/08/07

A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28

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

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

Improved Head Gasket Used; Summary Of Earlier Gaskets And Service Tips{1124,1216,1221}
1989/08/21

Additional Information For Checking Valve Camshaft Timing{1105,1110,1112,1121}
1989/12/11

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

Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1121}
1990/04/30

New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08

New Cylinder Heads Have Additional Coolant Passages{1101,1100}
1992/06/29

Camshaft Lobe Surface Finish Improved; Camshaft Drive Gear Installation Procedure {1209,1210,1212}
1993/09/13

DAMPER GP

Engine News

Damper Requirements For Remanufactured Short Block
1993/08/01

New Engine Crankshaft Rubber Damper Assembly Uses Improved Rubber Material {1205}
1994/10/01

Recommendations For Inspection And Replacement Of Rubber and Viscous Crankshaft Dampers{1205}
1995/09/01

Points To Remember When Replacing A Viscous Crankshaft Damper Assembly With A Rubber Crankshaft Damper Assembly{1205}
1997/01/22

Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts
1977/11/09

Improved Front Pulley And Damper Groups Use New Damper Adapter With Larger Diameter Bolt Circle For Pulley Bolts
1978/01/18

Reuse And Salvage Guidelines

Reuse and Salvage for Cast Iron & Steel Pulleys and Stub Shafts {1205, 1207, 1384, 1425}
Reuse and Salvage for Cast Iron & Steel Pulleys and Stub Shafts {1205, 1207, 1384, 1425}

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

Disassembly and Assembly

Pulley And Vibration Damper (Industrial Engine)
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts{1205}
1977/10/31

Correct Torque Value For Alternator Drive Pulley Retaining Nut Is Important{1405}
1987/11/23

Improved Front Pulley And Damper Groups Use New Damper Adapter With Larger Diameter Bolt Circle For Pulley Bolts{1205}
1978/01/16

8T5314 Socket Adapter Available To Correctly Install Alternator Pulley Nut {0601}
1988/01/25

Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}
1992/09/07

Fan Drive Pulley Group Components{1359}
1993/04/12

Damper Requirements For Remanufactured Short Blocks{1205}
1993/08/16

DRIVE GP-ACCESSORY

Engine News

New And Improved Gaskets In Front Housing Group And Accessory Drive Group
1985/01/16

Hollow Dowel Relieves Accessory Drive Oil Leakage
1987/06/01

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/11/01

Specifications

Auxiliary Drive Groups
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Accessory Drive
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

New And Improved Gaskets In Front Housing Group And Accessory Drive Group {1151,1150}
1985/01/14

Hollow Dowel Relieves Accessory Drive Oil Leakage{1207,1166}
1987/05/18

Use Correct Installation Procedure For Clutch Pilot Bearing In Rear Power Takeoff{3055}
1979/08/06

DRIVE GP-AUXILIARY

Engine News

New And Improved Gaskets In Front Housing Group And Accessory Drive Group
1985/01/16

Hollow Dowel Relieves Accessory Drive Oil Leakage
1987/06/01

Specifications

Auxiliary Drive Groups
3406 INDUSTRIAL & MARINE ENGINES

Disassembly and Assembly

Accessory Drive
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

New And Improved Gaskets In Front Housing Group And Accessory Drive Group {1151,1150}
1985/01/14

Hollow Dowel Relieves Accessory Drive Oil Leakage{1207,1166}
1987/05/18

DRIVE GP-FAN

Engine News

Longer Bolts Are Now Used To Fasten The Engine Fan Assembly To The Adapter
1979/01/24

Correct Lubrication Procedure Will Prevent Damage To Fan Drive
1982/03/17

Fan Drive Pulley Group Components
1993/04/01

Specifications

Fan Drive
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Correct Lubrication Procedure Will Prevent Damage To Fan Drive{1359,0374,0375}
1982/03/08

New Washer And Bolts Keep Fan Drive Tight{1359}
1983/04/04

New Color Used For Fan Belt Tightener Spring{1358}
1984/06/04

Longer Bolts Are Now Used To Fasten The Engine Fan Assembly To The Adapter{1356}
1978/12/18

Fan Drive Pulley Group Components{1359}
1993/04/12

DRIVE GP-PUMP

Engine News

New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group
1981/12/16

Improved Water Pump Groups Available{1361}
1996/11/01

Special Instruction

Installation of Water Pump Seal Group{1361}
Installation of Water Pump Seal Group{1361}

Using A 4P2152, 1025941, 0R2856 Or 0R3790 Water Pump With A 4P2383 Inlet Adapter{1361, 1364}
Using A 4P2152, 1025941, 0R2856 Or 0R3790 Water Pump With A 4P2383 Inlet Adapter{1361, 1364}

Using A 9Y3778 Water Pump Impeller With A 9Y5652 Inlet Adapter{1361, 1364}
Using A 9Y3778 Water Pump Impeller With A 9Y5652 Inlet Adapter{1361, 1364}

Machining 3406 Engine Water Pumps With 9N-5034 Housing to Accept a 108-7930 Tapered Roller Bearing Assembly{1361}
Machining 3406 Engine Water Pumps With 9N-5034 Housing to Accept a 108-7930 Tapered Roller Bearing Assembly{1361}

Service Letter-NACD

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Service Letter-China

Service Letter-Asia

Service Letter-APD

Disassembly and Assembly

Water Pump (Industrial Engine)
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

New Water Pump Has Improved Seal{1361}
1983/02/14

Use Vacuum Tester For Quality Control Check Of Water Pump Seal{0652,1361}
1983/02/28

New Plastic Impeller Will Help Improve Service Life Of Water Pump Seal{1361}
1984/01/23

Use Vacuum Tester For Quality Control Check Of Water Pump Seal{0768,1361}
1984/07/16

Inspection And Installation Procedures For Water Pump Shaft And Seals{1361,1389,1373}
1985/06/17

New, Corrosion Resistant Water Pump Shaft Available{1389,1361}
1985/08/05

Use Insert To Repair Bearing Seat In Water Pump Housing{1361}
1977/03/07

New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/04/11

Baffle Added To Water Pump Cover To Send Coolant In Bypass Line Directly Into The Water Pump{1361}
1977/07/11

Replacement Seal Group For Water Pump Impeller Now Has All The Seal Parts Plus An Installation Tool{1361,0622}
1978/02/13

Improvements Made To Water Pumps; New Groups/Parts Available For Certain Applications{1364,1361}
1990/02/19

New Water Pump Groups Use Tapered Roller Bearing {1361}
1993/07/05

New Cast Iron Inlet Adapter And Impeller For Water Pumps {1361}
1993/07/05

Use 125-9622 Seal Installer To Install 118-9163 Seal In Water Pumps{1361,0708}
1997/01/13

DRIVE GP-WATER PUMP

Special Instruction

Installation of Water Pump Seal Group{1361}
Installation of Water Pump Seal Group{1361}

Using A 4P2152, 1025941, 0R2856 Or 0R3790 Water Pump With A 4P2383 Inlet Adapter{1361, 1364}
Using A 4P2152, 1025941, 0R2856 Or 0R3790 Water Pump With A 4P2383 Inlet Adapter{1361, 1364}

Using A 9Y3778 Water Pump Impeller With A 9Y5652 Inlet Adapter{1361, 1364}
Using A 9Y3778 Water Pump Impeller With A 9Y5652 Inlet Adapter{1361, 1364}

Service Letter-NACD

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Service Letter-China

Service Letter-Asia

Service Letter-APD

Service Magazine

New Water Pump Has Improved Seal{1361}
1983/02/14

Use Vacuum Tester For Quality Control Check Of Water Pump Seal{0652,1361}
1983/02/28

New Plastic Impeller Will Help Improve Service Life Of Water Pump Seal{1361}
1984/01/23

New, Corrosion Resistant Water Pump Shaft Available{1389,1361}
1985/08/05

Use Insert To Repair Bearing Seat In Water Pump Housing{1361}
1977/03/07

New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/04/11

Baffle Added To Water Pump Cover To Send Coolant In Bypass Line Directly Into The Water Pump{1361}
1977/07/11

Replacement Seal Group For Water Pump Impeller Now Has All The Seal Parts Plus An Installation Tool{1361,0622}
1978/02/13

Improvements Made To Water Pumps; New Groups/Parts Available For Certain Applications{1364,1361}
1990/02/19

New Water Pump Groups Use Tapered Roller Bearing {1361}
1993/07/05

New Cast Iron Inlet Adapter And Impeller For Water Pumps {1361}
1993/07/05

Use 125-9622 Seal Installer To Install 118-9163 Seal In Water Pumps{1361,0708}
1997/01/13

ENGINE GP

Engine News

Proper Storage Procedures Are Available For Commercial Engines {1000}
Proper Storage Procedures Are Available For Commercial Engines {1000}

Special Instruction

Dynamometer Test Specifications For Caterpillar Engines{1000}
Dynamometer Test Specifications For Caterpillar Engines{1000}

Instructions For 3406 DI Engine Tune-Up{1000}
Instructions For 3406 DI Engine Tune-Up{1000}

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 the 4C3502 Engine Repair Indicator Kit{0781, 1000}
Use of the 4C3502 Engine Repair Indicator Kit{0781, 1000}

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Using The 5P6524 Engine Timing Indicator Group And 1P540 Flow Checking Tool Group{0782, 1000}
Using The 5P6524 Engine Timing Indicator Group And 1P540 Flow Checking Tool Group{0782, 1000}

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

Oil and Your Engine {1000}
Oil and Your Engine {1000}

Service Magazine

Real Value Available Through Caterpillar Remanufacturing Programs{0374}
1980/02/04

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

Separate Valve Stem Gauges Available{0653,1000}
1982/06/07

Analyzing A Major Engine Failure{1000}
1982/07/19

Added Methods To Decrease The Effects Of High Sulfur Fuels{1355,1280,1318,1000}
1982/08/30

Reference Chart for Engine Improvements{0374,1000}
1982/10/25

New Color Used For Fan Belt Tightener Spring{1358}
1984/06/04

New Index Lists Engine Special Instructions By SMCS Code{1000,0374}
1986/04/07

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

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

Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16

Testing The Starter On The Engine{1401,1450}
1987/05/04

The Caterpillar Fuel Flow Monitor System Available {0782,1000,1250}
1987/05/11

Remanufactured Heavy-Duty Starters And High-Amp Alternators{1405,1453}
1987/05/25

Microfiche For Replacement Engine Bills Of Material {0374,1000}
1987/10/26

Explanation Of Nomenclature Used In Engine Performance{1000,0374}
1978/05/15

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

Careful, Correct Installation And Maintenance Of Fuel Injection Lines Is Very Important To Prevent Possible Engine Damage, Fire And Other Problems{1252}
1979/04/23

Cranking Speeds Necessary To Start Diesel Engines{0374,1000,1450}
1979/09/24

Check The Radiator Fan Spider Assembly When Doing Yearly General Maintenance{1356}
1989/07/24

Engine Coolant Can Be Recycled{1395}
1989/11/13

Fan Drive Pulley Group Components{1359}
1993/04/12

Engine Storage and Engine Start-Up After Storage {1000, 1300, 1348, 7418}
Engine Storage and Engine Start-Up After Storage {1000, 1300, 1348, 7418}

FASTENER GP-ENGINE

Reuse And Salvage Guidelines

Inspection and Reuse of Critical Fasteners Used in All Engines {7553, 7553}
Inspection and Reuse of Critical Fasteners Used in All Engines {7553, 7553}

FLYWHEEL GP

Engine News

Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts
1987/03/01

No Gaskets Used With Aluminum Flywheel Housings
1991/10/01

New Plug And O-Ring Can Help Prevent Oil Leakage At The Flywheel Housing Gasket
1992/09/01

Inspect For Correct Camshaft Idler Gear Shaft And Bolts{1206}
1995/01/01

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/11/01

Mounting For Transmission/Torque Converter Oil Cooler Improved To Decrease Vibration
1978/07/05

New One-Piece Flywheel Housing Gasket
1978/07/05

Procedure to Use the Correct Mounting Bolts with the 10R-2356 Flywheel As {1156}
2007/12/24

Special Instruction

Installation Of Flywheel Adapter Groups(Allison Transmissions){1157}
Installation Of Flywheel Adapter Groups(Allison Transmissions){1157}

Installation Of Service Flywheel Groups For 3406, 3408 And 3412 Engines{1156}
Installation Of Service Flywheel Groups For 3406, 3408 And 3412 Engines{1156}

Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}
Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}

Service Letter-NACD

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

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Specifications

Idler Gear Assembly
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing Bore
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing Runout
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Runout
3406 INDUSTRIAL & MARINE ENGINES

Flywheel
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing
3406 INDUSTRIAL & MARINE ENGINES

Flywheels
3406 INDUSTRIAL & MARINE ENGINES

Service Letter-China

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

Service Letter-Asia

Reuse And Salvage Guidelines

Reuse and Salvage for Flywheel Assemblies {1156}
Reuse and Salvage for Flywheel Assemblies {1156}

Service Letter-APD

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

Disassembly and Assembly

Flywheel
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

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

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

Indications From 6V3100 Timing Indicator Group Must Be Corrected For Some Applications{0651,1250,1156,1157}
1982/10/11

Wider Crankshaft Gear Used{1202,1204,1206}
1982/10/11

Labyrinth-Type Seal Ring Available For Rear Power Takeoff{3055}
1983/04/04

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

Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16

New 1U5524 Adapter Cable Available For Use With 6V9060 Spark Timing Adapter Group And 8T5300 Engine Timing Indicator Group{0779,0781}
1987/07/06

Mounting For Transmission/Torque Converter Oil Cooler Improved To Decrease Vibration{1375}
1978/06/26

New One-Piece Flywheel Housing Gasket{1157,1201}
1978/07/03

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

New Plug And O-Ring Can Help Prevent Oil Leakage At The Flywheel Housing Gasket{1157,1307}
1992/09/21

GEAR GP

Engine News

New And Improved Gaskets In Front Housing Group And Accessory Drive Group
1985/01/16

Inspect For Correct Camshaft Idler Gear Shaft And Bolts{1206}
1995/01/01

New Service Repair Camshaft Idler Gear Shaft Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/09/01

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/11/01

Checking The Alignment Of Timing Gear Marks On 3406 Engines{1206}
1997/01/22

Special Instruction

Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}
Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}

Specifications

Timing Gears
3406 INDUSTRIAL & MARINE ENGINES

Idler Gear Assembly
3406 INDUSTRIAL & MARINE ENGINES

Timing Gear Housing
3406 INDUSTRIAL & MARINE ENGINES

Reuse And Salvage Guidelines

Reuse and Salvage for Gear Train and Gear Shafts on Engines {0679, 1151, 1162, 1206}
Reuse and Salvage for Gear Train and Gear Shafts on Engines {0679, 1151, 1162, 1206}

Disassembly and Assembly

Crankshaft Front And Rear Seal And Wear Sleeve
3406 INDUSTRIAL & MARINE ENGINES

Timing Gear Cover
3406 INDUSTRIAL & MARINE ENGINES

Timing Gears And Plate
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

6V3100 Diesel Timing Indicator Group Available To Check Engine/Fuel System Timing And Mechanical Advance During Operation{0653,1206,1156}
1981/08/31

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

Wider Crankshaft Gear Used{1202,1204,1206}
1982/10/11

Labyrinth-Type Seal Ring Available For Rear Power Takeoff{3055}
1983/04/04

New And Improved Gaskets In Front Housing Group And Accessory Drive Group {1151,1150}
1985/01/14

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

Hollow Dowel Relieves Accessory Drive Oil Leakage{1207,1166}
1987/05/18

Use Correct Installation Procedure For Clutch Pilot Bearing In Rear Power Takeoff{3055}
1979/08/06

HOUSING GP-FLYWHEEL

Engine News

No Gaskets Used With Aluminum Flywheel Housings
1991/10/01

New Plug And O-Ring Can Help Prevent Oil Leakage At The Flywheel Housing Gasket
1992/09/01

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/11/01

New Flywheel Housing Gasket For 3406 Engines {1157}
1999/03/01

Mounting For Transmission/Torque Converter Oil Cooler Improved To Decrease Vibration
1978/07/05

New One-Piece Flywheel Housing Gasket
1978/07/05

Special Instruction

Installation Of Service Flywheel Groups For 3406, 3408 And 3412 Engines{1156}
Installation Of Service Flywheel Groups For 3406, 3408 And 3412 Engines{1156}

Service Letter-NACD

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

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Specifications

Flywheel Housing Bore
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing Runout
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing
3406 INDUSTRIAL & MARINE ENGINES

Service Letter-China

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

Service Letter-Asia

Service Letter-APD

Disassembly and Assembly

Crankshaft Front And Rear Seal And Wear Sleeve
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine{0651,0654,1250}
1982/03/22

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

Indications From 6V3100 Timing Indicator Group Must Be Corrected For Some Applications{0651,1250,1156,1157}
1982/10/11

Check 5P7435 Tee Adapter Groups In The 6V3100 Engine Timing Indicator Groups{0782}
1985/06/03

New 1U5524 Adapter Cable Available For Use With 6V9060 Spark Timing Adapter Group And 8T5300 Engine Timing Indicator Group{0779,0781}
1987/07/06

Mounting For Transmission/Torque Converter Oil Cooler Improved To Decrease Vibration{1375}
1978/06/26

New One-Piece Flywheel Housing Gasket{1157,1201}
1978/07/03

Use The 6V2034 Micrometer Adapter To Measure Lip Thickness Of Engine Valves {0653,1105}
1979/10/29

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

New Plug And O-Ring Can Help Prevent Oil Leakage At The Flywheel Housing Gasket{1157,1307}
1992/09/21

HOUSING GP-FRONT

Engine News

New And Improved Gaskets In Front Housing Group And Accessory Drive Group
1985/01/16

Inspect For Correct Camshaft Idler Gear Shaft And Bolts{1206}
1995/01/01

New Service Repair Camshaft Idler Gear Shaft Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/09/01

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/11/01

Special Instruction

Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}
Installation Of Short Blocks And Crankshafts{1202, 1204, 1206}

Specifications

Idler Gear Assembly
3406 INDUSTRIAL & MARINE ENGINES

Timing Gear Housing
3406 INDUSTRIAL & MARINE ENGINES

Reuse And Salvage Guidelines

Thermal Spray Procedures for Engine Front Cover{0679, 1150, 1151, 1162}
Thermal Spray Procedures for Engine Front Cover{0679, 1150, 1151, 1162}

Disassembly and Assembly

Crankshaft Front And Rear Seal And Wear Sleeve
3406 INDUSTRIAL & MARINE ENGINES

Timing Gear Cover
3406 INDUSTRIAL & MARINE ENGINES

Timing Gears And Plate
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

6V3100 Diesel Timing Indicator Group Available To Check Engine/Fuel System Timing And Mechanical Advance During Operation{0653,1206,1156}
1981/08/31

Wider Crankshaft Gear Used{1202,1204,1206}
1982/10/11

New And Improved Gaskets In Front Housing Group And Accessory Drive Group {1151,1150}
1985/01/14

Hollow Dowel Relieves Accessory Drive Oil Leakage{1207,1166}
1987/05/18

Improved Front Pulley And Damper Groups Use New Damper Adapter With Larger Diameter Bolt Circle For Pulley Bolts{1205}
1978/01/16

MISCELLANEOUS INFORMATION

Engine News

Longer Bolts Are Now Used To Fasten The Engine Fan Assembly To The Adapter
1979/01/24

New Design Thrust Plate Used In Crankshaft Group
1979/08/22

Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines
1980/04/09

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

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

6V2086 And 6V2087 Seal And Wear Sleeve Installers Available
1980/09/10

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

Check For Correct Spring Retainer On Oil Pump Bypass Valve When Oil Pan Is Removed
1980/11/12

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

New Piston Pin Retainer Used
1982/02/10

Correct Lubrication Procedure Will Prevent Damage To Fan Drive
1982/03/17

6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/11/10

New Crankshaft Seal Groups Used
1982/11/10

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

Use Caution During Replacement Of Damaged Nozzle Adapters Or Precombustion Chambers
1983/01/19

Crankshaft Seal Usage On 3400 Series Engines
1986/01/01

Fan Drive Pulley Group Components
1993/04/01

Inspect For Correct Camshaft Idler Gear Shaft And Bolts{1206}
1995/01/01

New Cylinder Liners
1977/01/28

Same Valve Camshaft Assembly Used On Direct Injection Engines Now Used On Engines That Have Precombustion Chambers
1977/01/28

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

Improved Exhaust Valve Now Available
1977/03/15

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

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

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25

5P7333 Tool Group Available For The Repair Of Loose Bridge Dowels On Cylinder Heads
1977/06/29

Installation Procedure For Crankshaft Wear Sleeves Changed
1977/09/07

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

Replacement Bearings Have Aluminum Alloy With More Strength
1977/10/26

Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts
1977/11/09

Improved Front Pulley And Damper Groups Use New Damper Adapter With Larger Diameter Bolt Circle For Pulley Bolts
1978/01/18

Tolerance Added To Valve Clearance Specifications
1978/01/18

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

Replacement Seals And Wear Sleeves Now Available As A Crankshaft Seal Kit
1978/03/01

Use Again Specifications For Valve Springs Are Changed
1978/03/01

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

Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned
1978/08/16

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

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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Specifications

Valve Rocker Arms, Lifters, Bridges And Cover
3406 INDUSTRIAL & MARINE ENGINES

Camshaft
3406 INDUSTRIAL & MARINE ENGINES

Idler Gear Assembly
3406 INDUSTRIAL & MARINE ENGINES

Fan Drive
3406 INDUSTRIAL & MARINE ENGINES

V-Belt Tension Chart
3406 INDUSTRIAL & MARINE ENGINES

Air Compressor Drive
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Block
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Liner
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Liner Projection
3406 INDUSTRIAL & MARINE ENGINES

Pistons And Rings
3406 INDUSTRIAL & MARINE ENGINES

Bearings For Connecting Rods And Mains
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing Bore
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing Runout
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Runout
3406 INDUSTRIAL & MARINE ENGINES

Flywheel
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing
3406 INDUSTRIAL & MARINE ENGINES

Flywheels
3406 INDUSTRIAL & MARINE ENGINES

V-Belt Tension Chart
3406 INDUSTRIAL & MARINE ENGINES

Auxiliary Drive Groups
3406 INDUSTRIAL & 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}

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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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-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

Certain OR2693 Cylinder Kits Need To Be Removed From Parts Stock
Certain OR2693 Cylinder Kits Need To Be Removed From 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

Engine Front Support
3406 INDUSTRIAL & MARINE ENGINES

Rear Support
3406 INDUSTRIAL & MARINE ENGINES

Accessory Drive
3406 INDUSTRIAL & MARINE ENGINES

Water Pump (Industrial Engine)
3406 INDUSTRIAL & MARINE ENGINES

Crankshaft Main Bearings
3406 INDUSTRIAL & MARINE ENGINES

Pulley And Vibration Damper (Industrial Engine)
3406 INDUSTRIAL & MARINE ENGINES

Crankshaft Front And Rear Seal And Wear Sleeve
3406 INDUSTRIAL & MARINE ENGINES

Timing Gear Cover
3406 INDUSTRIAL & MARINE ENGINES

Timing Gears And Plate
3406 INDUSTRIAL & MARINE ENGINES

Camshaft
3406 INDUSTRIAL & MARINE ENGINES

Camshaft Bearings
3406 INDUSTRIAL & MARINE ENGINES

Flywheel
3406 INDUSTRIAL & MARINE ENGINES

Flywheel Housing
3406 INDUSTRIAL & MARINE ENGINES

Valve Lifters
3406 INDUSTRIAL & MARINE ENGINES

Rocker Shafts
3406 INDUSTRIAL & MARINE ENGINES

Spacer Plate
3406 INDUSTRIAL & MARINE ENGINES

Bridge Dowels, Valve Guides
3406 INDUSTRIAL & MARINE ENGINES

Valve Guides
3406 INDUSTRIAL & MARINE ENGINES

Pistons
3406 INDUSTRIAL & MARINE ENGINES

Cylinder Liners
3406 INDUSTRIAL & MARINE ENGINES

Service Magazine

Real Value Available Through Caterpillar Remanufacturing Programs{0374}
1980/02/04

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

Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}
1980/03/31

Changes To Oil Level Gauge Group Improve Accuracy Of Oil Level Indications, Increase Oil Capacity Of 245 Excavators And Front Shovels{1300}
1980/05/12

6V2086 And 6V2087 Seal And Wear Sleeve Installers Available{0622,1160,1161}
1980/09/01

Check For Correct Spring Retainer On Oil Pump Bypass Valve When Oil Pan Is Removed{1315,1302}
1980/11/17

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

Installation Of Rear Bearing Oil Seals In 3N6542, 3N8617, And 3N8618 Rear Power Takeoff Clutch Groups{3055}
1981/05/11

6V3100 Diesel Timing Indicator Group Available To Check Engine/Fuel System Timing And Mechanical Advance During Operation{0653,1206,1156}
1981/08/31

Service Manual Information About Inside Diameters Of Valve Guides{1104,0374}
1981/10/05

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

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

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

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

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

Reconditioning of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1100}
1982/03/08

Correct Lubrication Procedure Will Prevent Damage To Fan Drive{1359,0374,0375}
1982/03/08

Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine{0651,0654,1250}
1982/03/22

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

Separate Valve Stem Gauges Available{0653,1000}
1982/06/07

Added Methods To Decrease The Effects Of High Sulfur Fuels{1355,1280,1318,1000}
1982/08/30

Reusability Of Camshaft Rollers And Roller Followers{1209,1210}
1982/09/06

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

Indications From 6V3100 Timing Indicator Group Must Be Corrected For Some Applications{0651,1250,1156,1157}
1982/10/11

Wider Crankshaft Gear Used{1202,1204,1206}
1982/10/11

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

Reference Chart for Engine Improvements{0374,1000}
1982/10/25

New Crankshaft Seal Groups Used{1160,1161}
1982/11/01

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

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

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

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

New Water Pump Has Improved Seal{1361}
1983/02/14

Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28

Use Vacuum Tester For Quality Control Check Of Water Pump Seal{0652,1361}
1983/02/28

Labyrinth-Type Seal Ring Available For Rear Power Takeoff{3055}
1983/04/04

New Washer And Bolts Keep Fan Drive Tight{1359}
1983/04/04

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

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

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

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17

New Valve Lifter Assemblies Used In Valve Mechanism Groups{1209}
1983/10/31

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

New Plastic Impeller Will Help Improve Service Life Of Water Pump Seal{1361}
1984/01/23

Repair Of Drain Plug Threads In Oil Pan{1302}
1984/04/23

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 Color Used For Fan Belt Tightener Spring{1358}
1984/06/04

Use Vacuum Tester For Quality Control Check Of Water Pump Seal{0768,1361}
1984/07/16

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

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

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

Use Caterpillar 6V50 Engine Timing Indicator For Accurate Readings{0782,0785,0775}
1985/05/27

Check 5P7435 Tee Adapter Groups In The 6V3100 Engine Timing Indicator Groups{0782}
1985/06/03

Inspection And Installation Procedures For Water Pump Shaft And Seals{1361,1389,1373}
1985/06/17

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

Maximum Wear Limits Established For Camshaft Roller Followers{1209}
1985/09/30

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

Effects Of Liner Wear In Engines Using Plasma Coated Top Rings{1215,1216,7770}
1985/11/11

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

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

Crankshaft Seal Usage On 3400 Series Engines{1160,1161}
1985/12/16

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

New 8T2998 Lubricant Available{0645,1210}
1986/02/17

Adjust Bridge Whenever Valve Clearance Adjustments Are Made{1121,1105,1100}
1986/04/07

New Index Lists Engine Special Instructions By SMCS Code{1000,0374}
1986/04/07

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

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

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

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

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

Avoid Oil Contact With New Water Passage Seals Used In Cylinder Head Groups{1100}
1986/12/15

Same Valve Camshaft Assembly Used On Direct Injection Engines Now Used On Engines That Have Precombustion Chambers{1210}
1977/01/24

New Cylinder Liners{1216}
1977/01/24

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

Improved Exhaust Valve Now Available{1105}
1977/02/28

Use Insert To Repair Bearing Seat In Water Pump Housing{1361}
1977/03/07

New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/04/11

Tools To Remove Wear Sleeves From Crankshafts{0621,7558}
1977/04/18

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

5P7333 Tool Group Available For The Repair Of Loose Bridge Dowels On Cylinder Heads{0663,1101}
1977/06/20

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

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

Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22

Installation Procedure For Crankshaft Wear Sleeves Changed{1202,1160,1161}
1977/09/05

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

Replacement Bearings Have Aluminum Alloy With More Strength{1203,1213,1230}
1977/10/24

Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts{1205}
1977/10/31

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

Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16

Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16

Remanufactured Cylinder Heads For 3406 Engines{1100}
1987/03/16

The Caterpillar Fuel Flow Monitor System Available {0782,1000,1250}
1987/05/11

Hollow Dowel Relieves Accessory Drive Oil Leakage{1207,1166}
1987/05/18

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

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

Microfiche For Replacement Engine Bills Of Material {0374,1000}
1987/10/26

Correct Torque Value For Alternator Drive Pulley Retaining Nut Is Important{1405}
1987/11/23

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

Improved Front Pulley And Damper Groups Use New Damper Adapter With Larger Diameter Bolt Circle For Pulley Bolts{1205}
1978/01/16

Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30

Replacement Seals And Wear Sleeves Now Available As A Crankshaft Seal Kit{1202,1160,1161}
1978/02/27

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

Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06

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

Explanation Of Nomenclature Used In Engine Performance{1000,0374}
1978/05/15

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

Mounting For Transmission/Torque Converter Oil Cooler Improved To Decrease Vibration{1375}
1978/06/26

New One-Piece Flywheel Housing Gasket{1157,1201}
1978/07/03

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

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

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

New 6V87 Gauge Measures Valve Stem Wear{0653,1105}
1979/01/08

Current Chart For Dynamometer Adapters{0651,1000}
1979/01/22

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

A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28

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

Quick Disconnect Coupling On Optional Modification Of 5P4150 Nozzle Tester Permits Faster Exchange Of Adapters{0651,1254}
1979/09/03

Cranking Speeds Necessary To Start Diesel Engines{0374,1000,1450}
1979/09/24

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

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

Check The Radiator Fan Spider Assembly When Doing Yearly General Maintenance{1356}
1989/07/24

Improved Head Gasket Used; Summary Of Earlier Gaskets And Service Tips{1124,1216,1221}
1989/08/21

Engine Coolant Can Be Recycled{1395}
1989/11/13

Additional Information For Checking Valve Camshaft Timing{1105,1110,1112,1121}
1989/12/11

Improvements Made To Water Pumps; New Groups/Parts Available For Certain Applications{1364,1361}
1990/02/19

Truck sale:

45.000

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
- Stationary Generator Sets
MACALLISTER MACHINERY CO., INC

32.000

Caterpillar 3406-365, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
- Stationary Generator Sets
FINNING CHILE S.A.

41.565

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung

55.000

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung

45.000

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung