3406B TRUCK ENGINE 4MG00001-03599 FREIGHTLINER BASIC ENGINE Caterpillar SIS

TRUCK ENGINE 3406B TRUCK ENGINE 4MG
3406B TRUCK ENGINE 4MG00001-03599 FREIGHTLINER SEBP1449 3406B 4MG (1987)

Parts group 3406B:

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BASIC ENGINE

AIR COMPRESSOR GP

2W-9998 LINES GP-AIR COMPRESSOR

2W9998 AIR COMPRESSOR LINES GROUP

7C-3639 LINES GP-AIR COMPRESSOR

7C3639 LINES GP-AIR COMPRESSOR

7C-7246 LINES GP-AIR COMPRESSOR

7C7246 LINES GP-AIR COMPRESSOR
TYPE 1
FOR USE WITH 1400 L BENDIX AIR COMPRESSOR ON ATAAC ENGINES
AN ATTACHMENT

7C-7246 LINES GP-AIR COMPRESSOR

7C7246 LINES GP-AIR COMPRESSOR
TYPE 2
FOR USE WITH 1400 L BENDIX AIR COMPRESSOR ON ATAAC ENGINES
AN ATTACHMENT

7C-1783 LINES GP-AIR COMPRESSOR

7C1783 LINES GP-AIR COMPRESSOR
TYPE 1
FOR USE WITH AIR TO AIR AFTERCOOLED ENGINE AR
AN ATTACHMENT

7C-1783 LINES GP-AIR COMPRESSOR

7C1783 LINES GP-AIR COMPRESSOR
TYPE 2
FOR USE WITH AIR TO AIR AFTERCOOLED ENGINE AR
AN ATTACHMENT

7C-0573 LINES GP-AIR COMPRESSOR

7C0573 LINES GP-AIR COMPRESSOR
TYPE 1
FOR USE WITH 30 CFM AIR COMPRESSOR
AN ATTACHMENT

7C-0573 LINES GP-AIR COMPRESSOR

7C0573 LINES GP-AIR COMPRESSOR
TYPE 2
FOR USE WITH 30 CFM AIR COMPRESSOR
AN ATTACHMENT

7C-0316 LINES GP-AIR COMPRESSOR

7C0316 LINES GP-AIR COMPRESSOR
TYPE 1
FOR USE WITH 30 CFM AIR COMPRESSOR
AN ATTACHMENT

7C-0316 LINES GP-AIR COMPRESSOR

7C0316 LINES GP-AIR COMPRESSOR
TYPE 2
FOR USE WITH 30 CFM AIR COMPRESSOR
AN ATTACHMENT

7W-0023 AIR COMPRESSOR GP

7W0023 AIR COMPRESSOR GP
7W4020-PAGE 92B
AN ATTACHMENT

1N-2997 AIR COMPRESSOR GP

1N2997 AIR COMPRESSOR GROUP
1N2995-PAGE 92

4W-6667 AIR COMPRESSOR GP

4W6667 AIR COMPRESSOR GROUP
4W6425-PAGE 92A
AN ATTACHMENT

1N-2991 AIR COMPRESSOR GP

1N2991 AIR COMPRESSOR GROUP
1N2992 COMPRESSSOR PARTS ARE SHOWN ON PAGE 93. AN ATTACHMENT

1N-2995 AIR COMPRESSOR GP

1N2995 AIR COMPRESSOR GROUP
PART OF 1N2997 AIR COMPRESSOR

4W-6425 AIR COMPRESSOR GP

4W6425 AIR COMPRESSOR GROUP
PART OF 4W6667 AIR COMPRESSOR GROUP
AN ATTACHMENT

7W-4020 AIR COMPRESSOR GP

7W4020 AIR COMPRESSOR GP
PART OF 7W0023 AIR COMPRESSOR
AN ATTACHMENT

1N-2992 AIR COMPRESSOR GP

1N2992 AIR COMPRESSOR GROUP
TYPE 1. S/N 7FB1-58902
9N5449-PAGE 94. PART OF 1N2991 AIR COMPRESSOR
AN ATTACHMENT

1N-2992 AIR COMPRESSOR GP

1N2992 AIR COMPRESSOR GROUP
TYPE 2. S/N 7FB1-58902
9N5449-PAGE 94. PART OF 1N2991 AIR COMPRESSOR
AN ATTACHMENT

1N-2992 AIR COMPRESSOR GP

1N2992 COMPRESSOR GP-AIR
S/N 7FB58903-UP & 4MG1-3599
9N5449-PAGE 94. PART 1N2991 AIR COMPRESSOR
AN ATTACHMENT

9N-5449 CYLINDER BLOCK AS

9N5449 COMPRESSOR CYLINDER BLOCK ASSEMBLY
PART OF 1N2922 AIR COMPRESSOR GROUP SHOWN ON PAGE 93. AN ATTACHMENT

BELT TIGHTENER GP

9N-2112 BELT TIGHTENER GP

9N2112 PULLEY TIGHTENER GROUP
REFER TO CHART SHOWN ON PAGES 42 & 43 FOR USAGE
AN ATTACHMENT

ENGINE BRAKE GP

9N-2059 FASTENER GP-BRAKESAVER

9N2059 BRAKESAVER FASTENER GROUP

9N-1852 BRAKESAVER GP

9N1852 BRAKESAVER GROUP
SERIAL NO. 7FB1 TO 7FB2955 INCLUSIVE

9N-1852 BRAKESAVER GP

9N1852 BRAKESAVER GROUP
SERIAL NO.7FB2956 TO 7FB16553 INCLUSIVE.

9N-1852 BRAKESAVER GP

9N1852 BRAKESAVER GP
S/N 7FB16554-65158

9N-1852 BRAKESAVER GP

9N1852 BRAKESAVER GP
S/N 7FB65159-UP & 4MG1-3599

9N-3687 VALVE GP-BRAKESAVER CONTROL

9N3687 BRAKESAVER CONTROL VALVE GROUP
9N5530 VALVE PARTS ARE SHOWN ON PAGE 59

9N-5530 VALVE GP-BRAKESAVER CONTROL

9N5530 VALVE GP-BRAKESAVER CONTROL
PART OF 9N3687 BRAKESAVER CONTROL VALVE

9N-0572 CONTROL GP-BRAKESAVER

9N0572 BRAKESAVER CONTROL GROUP-AUTOMATIC
1S3998 & 5D3056 VALVE PARTS ARE SHOWN ON PAGES 61 & 62. AN ATTACHMENT

9N-0574 CONTROL GP-BRAKESAVER

9N0574 BRAKESAVER CONTROL GROUP-MANUAL
1S3998 VALVE PARTS ARE SHOWN ON PAGE 61. AN ATTACHMENT

1S-3998 VALVE AS-RETARDER

1S3998 RETARDER VALVE ASSEMBLY
PART OF 9N574 & 9N572 BRAKESAVER CONTROL GROUPS SHOWN ON PAGE 60
AN ATTACHMENT

CAMSHAFT GP

4W-2431 CAMSHAFT GP-SINGLE

4W2431 CAMSHAFT GROUP

7W-3798 CAMSHAFT GP-SINGLE

7W3798 SINGLE CAMSHAFT GROUP

COMPRESSOR GP-REFRIGERANT

9N-6417 MOUNTING GP-REFRIGERANT COMPR

9N6417 MOUNTING GP-REFRIGERANT COMPRESSOR
FOR USE WITH FAN DRIVE CENTER MOUNTED ABOVE 18" FROM CENTER LINE
OF CRANKSHAFT & SLANT ARS REQUIRING OFFSET FAN DRIVE. PROVIDES
HARDWARE FOR THE ALTERNATOR. ALSO AN ATTACHMENT

4W-5659 MOUNTING GP-REFRIGERANT COMPR

4W5659 MOUNTING GP-REFRIGERANT COMPRESSOR
FOR USE WITH ROTARY REFRIGERANT COMPRESSOR
AN ATTACHMENT

9N-5033 MOUNTING GP-REFRIGERANT COMPR

9N5033 MOUNTING GP-REFRIGERANT COMPRESSOR
FOR USE WITH FAN DRIVE CENTER MOUNTED ABOVE 18" FROM CENTERLINE OF
CRANKSHAFT. ALSO FOR USE WITH SLANT ARRANGEMENTS REQUIRING OFFSET
FAN DRIVE. THIS ALSO PROVIDES HARDWARE FOR ALTERNATOR
AN ATTACHMENT

4W-8054 MOUNTING GP-REFRIGERANT COMPR

4W8054 REFRIGERANT COMPRESSOR MOUNTING GROUP
CONVERTS ROTARY TO PISTON
AN ATTACHMENT

4W-4836 MOUNTING GP-ALTERNATOR & COMPR

4W4836 MOUNTING GP-ALTERNATOR & COMPRESSOR
FOR USE WITH ROTARY TYPE REFRIGERANT COMPRESSOR
ALSO AN ATTACHMENT

CRANKSHAFT GP

4N-0741 CRANKSHAFT GP

4N0741 CRANKSHAFT GROUP
SERIAL NO.7FB1 TO 7FB28046 INCLUSIVE
2W2485-PAGE 26.01

2W-2585 CRANKSHAFT AS

2W2585 CRANKSHAFT ASSEMBLY*R
SERIAL NO. 7FB1 TO 7FB28046 INCLUSIVE
PART OF 4N0741 CRANKSHAFT

4N-0741 CRANKSHAFT GP

4N0741 CRANKSHAFT GROUP
SERIAL NO. 7FB28047-UP & 4MG1-3599
1W6207-PAGE 27

1W-6207 CRANKSHAFT AS

1W6207 CRANKSHAFT ASSEMBLY*R
SERIAL NO. 7FB28047-UP & 4MG1-3599
PART OF 4N0741 CRANKSHAFT

CYLINDER BLOCK GP

8N-9267 CYLINDER BLOCK GP

8N9267 CYLINDER BLOCK GROUP
SERIAL NO.7FB1 TO 7FB21863 INCLUSIVE
FIELD REPLACEMENT ORDER 2W6039-PAGE 23

8N-9267 CYLINDER BLOCK GP

8N9267 CYLINDER BLOCK GROUP
SERIAL NO.7FB21864 TO 7FB25413 INCLUSIVE
FIELD REPLACEMENT ORDER 2W6039-PAGE 23

8N-9267 CYLINDER BLOCK GP

8N9267 CYLINDER BLOCK GROUP
SERIAL NO. 7FB25414 TO 7FB27711 INCLUSIVE
FIELD REPLACEMENT ORDER 2W6039-PAGE 23

8N-9267 CYLINDER BLOCK GP

8N9267 CYLINDER BLOCK GROUP
SERIAL NO. 7FB27712-UP & 4MG1-3599
FIELD REPLACEMENT ORDER 2W6039-PAGE 23

7W-5039 CYLINDER BLOCK GP

7W5039 CYLINDER BLOCK GROUP

2W-6039 CYLINDER BLOCK GP

2W6039 CYLINDER BLOCK GROUP-TYPE 1*R
FIELD REPLACEMENT FOR 8N9267-PAGE 22

2W-6039 CYLINDER BLOCK GP

2W6039 CYLINDER BLOCK GROUP-TYPE 2*R
FIELD REPLACEMENT FOR 8N9267-PAGE 22

9N-3867 COVER GP-CYLINDER BLOCK

9N3867 CYLINDER BLOCK COVER GROUP

9N-3866 COVER GP-CYLINDER BLOCK

9N3866 CYLINDER BLOCK COVER GROUP

CYLINDER HEAD GP

9Y-3368 INSERT-SEAT

9Y3368 INSERT-LINER SEAT-.834 MM (.03 IN) THICK
FOR USE WITH ENGINE BLOCKS WITH LIGHTLY DAMAGED FRETTING/EROSION
ON THE TOP OF THE BLOCK UNDER THE LINER FLANGE. USE 2W3815 OR
9Y3368 INSERT TO SALVAGE DAMAGED BLOCK. FIELD INSTALLATION

4W-2436 CYLINDER HEAD GP

4W2436 CYLINDER HEAD GROUP*R
SERIAL NO. 7FB1 TO 7FB14628 INCLUSIVE
4W2435-PAGE 32

4W-2436 CYLINDER HEAD GP

4W2436 CYLINDER HEAD GROUP*R
SERIAL NO. 7FB14629 TO 7FB21131 INCLUSIVE
4W5319-PAGE 32A

4W-2436 CYLINDER HEAD GP

4W2436 CYLINDER HEAD GROUP*R
S/N 7FB21132-53972
7W2203-PAGE 32B

4W-2436 CYLINDER HEAD GP

4W2436 CYLINDER HEAD GP*R
S/N 7FB53973-UP & 4MG1-3599
7W2203-PAGE 32B

4W-2435 CYLINDER HEAD GP

4W2435 CYLINDER HEAD GROUP
SERIAL NO.7FB1 TO 7FB14628 INCLUSIVE.
PART OF 4W2436 CYLINDER HEAD

4W-5319 CYLINDER HEAD GP

4W5319 CYLINDER HEAD GROUP
SERIAL NO. 7FB14629 TO 7FB21131 INCLUSIVE
PART OF 4W2436 CYLINDER HEAD

7W-2203 CYLINDER HEAD GP

7W2203 CYLINDER HEAD GROUP
SERIAL NO. 7FB21132-7FB53972 INCLUSIVE
7W2201-PAGE 32C
PART OF 4W2436 CYLINDER HEAD

7W-2203 CYLINDER HEAD GP

7W2203 CYLINDER HEAD GROUP
S/N 7FB53973-UP & 4MG1-3599
7W0007-PAGE 32B.02
PART OF 4W2436 CYLINDER HEAD

7W-0007 CYLINDER HEAD AS

7W0007 CYLINDER HEAD AS
S/N 7FB53973-UP & 4MG1-3599
PART OF 7W2203 & 7W0009 CYLINDER HEADS
FIELD REPLACEMENT ORDER 7W0009-PAGE 32B.03

7W-0009 CYLINDER HEAD AS

7W0009 CYLINDER HEAD AS*R-TYPE 1
S/N 7FB53973-UP & 4MG1-3599
7W0007-PAGE 32B.02
FIELD REPLACEMENT FOR 7W0007-PAGE 32B.02

7W-0009 CYLINDER HEAD AS

7W0009 CYLINDER HEAD AS*R-TYPE 2
S/N 7FB53973-UP, 4MG1-3599
9Y3775-PAGE 32B.05
FIELD REPLACEMENT FOR 7W0007-PAGE 32B.02

9Y-3775 CYLINDER HEAD AS

9Y3775 CYLINDER HEAD AS
PART OF 7S0009 CYLINDER HEAD

7W-2201 CYLINDER HEAD AS

7W2201 CYLINDER HEAD ASSEMBLY
SERIAL NO. 7FB21132-7FB53972 INCLUSIVE
PART OF 7W2203 CYLINDER HEAD & 7W2204 CYLINDER HEAD ASSEMBLY
FOR FIELD REPLACEMENT ORDER 7W2204-PAGE 32D

7W-2204 CYLINDER HEAD AS

7W2204 CYLINDER HEAD ASSEMBLY*R
SERIAL NO. 7FB21132-7FB53972 INCLUSIVE
7W2201-PAGE 32C
FIELD REPLACEMENT FOR 7W2201-PAGE 32C

DAMPER GP

9N-0945 DAMPER & PULLEY GP

9N0945 PULLEY & DAMPER GP
NOTE: 9N0722 & 4W9605 CRANKSHAFT PULLEYS ARE AVAILABLE

9N-1375 DAMPER & PULLEY GP

9N1375 PULLEY AND DAMPER GROUP
SERIAL NO. 7FB3156-UP & 4MG1-3599

9Y-4877 DAMPER & PULLEY GP

9Y4877 PULLEY & DAMPER GP
267 MM (10.5 IN) DIAMETER PULLEY
AN ATTACHMENT

9Y-4876 DAMPER & PULLEY GP

9Y4876 PULLEY & DAMPER GP
SPACER 216 MM (8.5 IN.) DIAMETER PULLEY
AN ATTACHMENT

DRIVE GP-ACCESSORY

8N-9653 DRIVE GP-ACCESSORY

8N9653 ACCESSORY DRIVE GROUP

7C-0941 DRIVE GP-ACCESSORY

7C0941 DRIVE GP-ACCESSORY

4W-3123 DRIVE GP-ACCESSORY

4W3123 AIR COMPRESSOR DRIVE GROUP

DRIVE GP-AUXILIARY

1W-6411 DRIVE GP-AUXILIARY

1W6411 AUXILIARY DRIVE GROUP-R.H.-FRONT
AN ATTACHMENT

DRIVE GP-FAN

9N-2113 DRIVE GP-FAN

9N2113 FAN DRIVE GROUP
REFER TO CHART SHOWN ON PAGES 42 & 43 FOR USAGE
AN ATTACHMENT

9N-2109 DRIVE GP-FAN

9N2109 FAN DRIVE GROUP
REFER TO CHART SHOWN ON PAGES 42 & 43 FOR USAGE
AN ATTACHMENT

9N-2349 DRIVE GP-FAN

9N2349 FAN DRIVE GROUP
REFER TO CHART SHOWN ON PAGES 42 & 43 FOR USAGE
AN ATTACHMENT

9N-3722 DRIVE GP-FAN

9N3722 FAN DRIVE GROUP-9.625 DIAMETER PULLEY
PROVIDES A .88:1 FAN DRIVE RATIO WHEN USED WITH A 8.50 DIAMETER
CRANK PULLEY. AN ATTACHMENT

9N-2117 DRIVE GP-FAN

9N2117 FAN DRIVE GROUP
REFER TO CHART SHOWN ON PAGES 42 & 43 FOR USAGE
AN ATTACHMENT

6N-0931 FAN DRIVE GROUP

6N0931 FAN DRIVE GROUP
AN ATTACHMENT

9N-2933 DRIVE GP-FAN

9N2933 FAN DRIVE GROUP-7.50 O.D. PULLEY
PROVIDES A 1.13:1 FAN DRIVE RATIO. AN ATTACHMENT

9N-2882 DRIVE GP-FAN

9N2882 FAN DRIVE GROUP-9.625 O.D. PULLEY
PROVIDES A .88:1 FAN DRIVE RATIO WHEN USED WITH AN 8.50 DIAMETER
CRANK PULLEY. AN ATTACHMENT

4W-9292 DRIVE GP-FAN

4W9292 FAN BELT DRIVE GROUP
SERIAL NO. 7FB03156-UP & 4MG1-3599
9N3723-PAGE 51

9N-5797 DRIVE GP-FAN

9N5797 DRIVE GP-FAN BELT
PART OF 7W0628 DRIVE-FAN

7W-0628 DRIVE GP-FAN

7W0628 DRIVE GP-FAN BELT
9N5797-PAGE 50B
AN ATTACHMENT

1W-9047 DRIVE GP-FAN

1W9047 FAN DRIVE GROUP
NOTE: FOR USE WITH SWITZER FAN CLUTCH. AN ATTACHMENT

9N-3723 DRIVE GP-FAN

9N3723 FAN DRIVE GROUP-7.50 DIAMETER PULLEY
PART OF 4W9292 FAN BELT DRIVE
PROVIDES A 1.13:1 FAN DRIVE RATIO WHEN USED WITH AN 8.50 DIAMETER
CRANK PULLEY. ALSO AN ATTACHMENT

DRIVE GP-PUMP

1W-7935 DRIVE GP-PUMP

1W7935 HYDRAULIC PUMP DRIVE GROUP
ALSO AN ATTACHMENT

FLYWHEEL GP

9N-0678 FLYWHEEL GP

9N0678 FLYWHEEL GROUP

9N-0676 FLYWHEEL GP

9N0676 FLYWHEEL GROUP

9N-0018 FLYWHEEL GP

9N0018 FLYWHEEL GROUP

6N-1299 FLYWHEEL GP

6N1299 FLYWHEEL GROUP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING & CLARK NO. 14, 15 OR 16 TWIN
DISC TORQUE CONVERTER WITHOUT CLUTCH. AN ATTACHMENT

9N-2518 FLYWHEEL GP

9N2518 FLYWHEEL GROUP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING & CLARK C AND CL8000 SERIES
TORQUE CONVERTER.CANNOT BE USED WITH ENGINES WITH BRAKESAVER
AN ATTACHMENT

6N-9829 ADAPTER GP-FLYWHEEL

6N9829 FLYWHEEL ADAPTER GROUP
CANNOT BE USED WITH BRAKESAVER ENGINES. PROVIDES MEANS OF COUPLING
ALLISON HT700 & CT700 TORQUE CONVERTER TO ENGINE. AN ATTACHMENT

6N-1328 FLYWHEEL GP

6N1328 FLYWHEEL GROUP
FOR USE WITH CLARK 16 & 17 CK TORQUE CONVERTER WITH CLUTCH, AND SAE
NO. 1 FLYWHEEL HOUSING. NOT FOR USE WITH BRAKESAVER ENGINE.AN ATTACHMENT

GEAR GP

8N-9246 GEAR GP-FRONT TIMING

8N9246 GEAR GP-FRONT TIMING
S/N 7FB1-77469

8N-9246 GEAR GP-FRONT TIMING

8N9246 GEAR GP-FRONT TIMING
S/N 7FB77470-UP & 4MG1-3599

HOUSING GP-FLYWHEEL

9N-3889 COVER GP-FLYWHEEL HOUSING

9N3889 FLYWHEEL HOUSING COVER GROUP

9N-3887 HOUSING GP-FLYWHEEL

9N3887 FLYWHEEL HOUSING GROUP

9N-2086 HOUSING GP-FLYWHEEL

9N2086 HOUSING GP-FLYWHEEL

HOUSING GP-FRONT

4N-6006 FASTENER GP-FRONT HOUSING

4N6006 FRONT HOUSING FASTENER GROUP

1W-1468 HOUSING GP-FRONT

1W1468 FRONT HOUSING GROUP

4W-5177 COVER GP-FRONT HOUSING

4W5177 FRONT HOUSING COVER GROUP

4W-2434 COVER GP-FRONT HOUSING

4W2434 COVER GP-FRONT HOUSING

LIFTING GP-ENGINE

9N-6407 LIFTING GP

9N6407 LIFTING EYE GROUP

MISCELLANEOUS INFORMATION

9L-6669 CHART-FAN BELT

9L6669 FAN BELT CHART-PART 1
AN ATTACHMENT

9L-6669 CHART-FAN BELT

9L6669 FAN BELT CHART-PART 2
AN ATTACHMENT

PAN GP-OIL

9N-2579 PANEL GP-OIL PAN

9N2579 OIL PAN PANEL GROUP-SOUND SUPPRESSION-SHALLOW SECTION
AN ATTACHMENT

9N-2243 PANEL GP-OIL PAN

9N2243 OIL PAN PANEL GROUP-SOUND SUPPRESSION-BRAKESAVER SUMP
AN ATTACHMENT

PARTS GP-MISCELLANEOUS

5D-3056 VALVE AS-CHECK

5D3056 DOUBLE CHECK VALVE ASSEMBLY
PART OF 9N572 BRAKESAVER CONTROL GROUP SHOWN ON PAGE 60.AN ATTACHMENT

PISTON & ROD GP

7N-3516 PISTON & ROD GP

7N3516 CONNECTING ROD & PISTON GROUP-6 REQUIRED
1W9373-PAGE 28

7W-5125 PISTON & ROD GP

7W5125 CONNECTING ROD AND PISTON GROUP-6 REQUIRED
1W9373-PAGE 28

1W-9373 PISTON GP

1W9373 PISTON GROUP
PART OF 7N3516 & 7W5125 CONNECTING ROD & PISTON

7C-0491 PISTON & ROD GP

7C0491 CONNECTING ROD AND PISTON GROUP-6 REQUIRED

7W-3800 PISTON & ROD GP

7W3800 ROD AND PISTON GP-6 REQUIRED
S/N 7FB1-73752
7W3669-PAGE 28.02

7W-3800 PISTON & ROD GP

7W3800 ROD & PISTON GP-6 REQUIRED
S/N 7FB73753-UP & 4MG1-3599
7C4473-PAGE 28.03

7W-3669 PISTON GP

7W3669 PISTON GROUP*R
S/N 7FB1-73752
PART OF 7W3800 ROD AND PISTON

7C-8936 RING GP-PISTON

7C8936 RING GP-PISTON
S/N 7FB1-55165
FIELD INSTALLATION

7C-4473 PISTON GP

7C4473 PISTON GP
S/N 7FB73753-UP & 4MG1-3599
PART OF ROD & PISTON

PULLEY GP

9N-0945 DAMPER & PULLEY GP

9N0945 PULLEY & DAMPER GP
NOTE: 9N0722 & 4W9605 CRANKSHAFT PULLEYS ARE AVAILABLE

9N-1375 DAMPER & PULLEY GP

9N1375 PULLEY AND DAMPER GROUP
SERIAL NO. 7FB3156-UP & 4MG1-3599

9Y-4877 DAMPER & PULLEY GP

9Y4877 PULLEY & DAMPER GP
267 MM (10.5 IN) DIAMETER PULLEY
AN ATTACHMENT

9Y-4876 DAMPER & PULLEY GP

9Y4876 PULLEY & DAMPER GP
SPACER 216 MM (8.5 IN.) DIAMETER PULLEY
AN ATTACHMENT

SUPPRESSION GP-SOUND

2W-0404 PANEL GP-SOUND SUPPRESSION

2W0404 CYLINDER BLOCK PANEL GROUP-L.H.
PROVIDES SOUND SUPPRESSION PANELS FOR THE L.H.SIDE OF THE CYLINDER
BLOCK. AN ATTACHMENT

9N-2579 PANEL GP-OIL PAN

9N2579 OIL PAN PANEL GROUP-SOUND SUPPRESSION-SHALLOW SECTION
AN ATTACHMENT

9N-2243 PANEL GP-OIL PAN

9N2243 OIL PAN PANEL GROUP-SOUND SUPPRESSION-BRAKESAVER SUMP
AN ATTACHMENT

9N-5874 PANEL GP-SOUND SUPPRESSION

9N5874 OIL PAN PANEL GROUP-SOUND SUPPRESSION
SERIAL NO. 7FB19013-UP & 4MG1-3599
CANNOT BE USED WITH BRAKESAVER. ALSO AN ATTACHMENT

9N-5874 PANEL GP-SOUND SUPPRESSION

9N5874 OIL PAN PANEL GROUP-SOUND SUPPRESSION
SERIAL NO. 7FB1 TO 7FB19012 INCLUSIVE
CANNOT BE USED WITH BRAKESAVER. ALSO AN ATTACHMENT

7W-8832 PANEL GP-SOUND SUPPRESSION

7W8832 PANEL GP-SOUND SUPPRESSION
S/N 7FB27319-UP & 4MG1-3599
ONLY FOR USE WITH-SET BACK-OIL PAN-7W4460-PAGE 63
AN ATTACHMENT

VALVE MECHANISM GP

4N-1045 ROCKER ARM GP

4N1045 ROCKER ARM GROUP
PART OF 4W2461 VALVE MECHANISM

4W-2461 VALVE MECHANISM GP

4W2461 VALVE MECHANISM GROUP
4N1045-PAGE 33

9N-2093 COVER GP-VALVE MECHANISM

9N2093 COVER GP-VALVE MECHANISM
S/N 7FB1-51314

9N-3618 COVER GP-VALVE MECHANISM

9N3618 COVER GP-VALVE MECHANISM
S/N 7FB1-51314

9N-2093 COVER GP-VALVE MECHANISM

9N2093 COVER GP-VALVE MECHANISM
S/N 7FB51315-UP & 4MG1-3599

9N-3618 COVER GP-VALVE MECHANISM

9N3618 COVER GP-VALVE MECHANISM
S/N 7FB51315-UP & 4MG1-3599

7C-0036 COVER GP-VALVE MECHANISM

7C0036 COVER GP-VALVE MECHANISM

Information:

(For parts list, see above)

BASIC ENGINE

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

Air Conditioner Compressor Mounting Bracket Improved
1985/06/01

Incorrect Air Compressor Installation Can Cause An Early Failure
1985/06/01

Incorrect Air Compressor Installation Can Cause An Early Failure
1986/02/01

Smaller Connecting Rod Bolt Used In 4W6425 Air Compressor; Use Correct Torque
1991/05/01

3406 Truck Engine Component Update
1992/10/01

124-5572 Air Pressure Relief Valve Available{1803}
1995/04/01

Cylinder Head Gasket Changed For Tu-Flo 550/750 Air Compressor Groups{1803}
1997/07/01

Special Instructions Are Now Available For Converting Four Cylinder Air Compressor Air Supply From Boosted To Naturally Aspirated, Eliminating Inlet Regulating Valve And Related Maintenance{1803}
1999/07/01

Disassembly and Assembly

Air Compressor
3406B DIESEL TRUCK ENGINE

Service Magazine

Incorrect Air Compressor Installation Can Cause An Early Failure{1800,1803,1804}
1985/05/20

Air Conditioner Compressor Mounting Bracket Improved{1802}
1985/05/20

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

BELT TIGHTENER GP

Specifications

Belt Tension Chart
3406B DIESEL TRUCK ENGINE

Pulley Tightener Group
3406B DIESEL TRUCK ENGINE

Service Magazine

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

ENGINE BRAKE GP

Truck Engine News

Drain Line Added To Reduce Pressure In BrakeSaver Housing
1984/06/27

New Diaphragm Used In BrakeSaver Control Valve Group
1984/11/07

Improved BrakeSaver Seals Available
1985/01/01

Exhaust Brake Performance Increased
1985/01/01

New Retaining Rings Used In Brakesaver Groups
1985/11/01

Prevent Gasket Leakage On 3406B Truck Engines Equipped With Jake Brakes
1986/07/01

New Cover Used On Brakesaver Control Valve
1986/12/01

Ring Retainer And New O-Ring Seal Used In The Brakesaver Engine Oil Lines Group
1987/11/01

Former Exhaust Valve Bridge For Jacobs Brake ® Interferes With 40 mm Nozzle Adapter; New Bridge Used
1988/04/01

New Diaphragm For Brakesaver Control Valve
1988/05/01

Larger Valve Springs Must Be Used With Williams Blue Ox ® 485 kPa (70 psi) Exhaust Brake; New Spring Compressor Group Available
1988/12/01

New Screw Used In Brakesaver Water Lines Group
1989/01/01

New Valve Lifter Improves Oil Flow To Top Of Engine (improves Compression Brake System Performance)
1990/04/01

New Seals Available For Parts Service Of Noncurrent Water Lines Group
1990/12/01

New Rotor Used In Brakesaver Group; Regulator Valve Improved
1990/12/01

New Seal And Improved Plate Eliminate Leaks In Brakesaver Water Lines Group
1991/06/01

3406 Truck Engine Component Update
1992/10/01

Maintenance Tips For 60799 Exhaust Restrictor; Additional Spring Improves Performance Of 60799 Exhaust Restrictor
1993/01/01

New O-ring Seals In BrakeSaver Group{1155}
1996/08/23

Specifications

Jake Brake
3406B DIESEL TRUCK ENGINE

BrakeSaver Group
3406B DIESEL TRUCK ENGINE

BrakeSaver Control Valve
3406B DIESEL TRUCK ENGINE

BrakeSaver Fastener Group
3406B DIESEL TRUCK ENGINE

Service Magazine

Drain Line Added To Reduce Pressure In BrakeSaver Housing{1155}
1984/06/04

New Diaphragm Used In BrakeSaver Control Valve Group{1159,1155}
1984/10/29

Improved BrakeSaver Seals Available{1155}
1984/12/10

Exhaust Brake Performance Increased{1018}
1985/01/21

New Retaining Rings Used In BrakeSaver Groups{1155}
1985/11/11

Prevent Gasket Leakage On 3406B Truck Engines Equipped With Jake Brakes{1058,1063}
1986/05/19

New Cover Used On BrakeSaver Control Valve{1159}
1986/12/15

Ring Retainer And New O-Ring Seal Used In The BrakeSaver Engine Oil Lines Group{1159}
1987/11/23

Former Exhaust Valve Bridge For Jacobs Brake® Interferes With 40 mm Nozzle Adapter; New Bridge Used{1119,1100}
1988/04/18

New Diaphragm For Brakesaver Control Valve {1159,1155}
1988/04/25

Larger Valve Springs Must Be Used With Williams Blue Ox® 485 kPa (70 psi) Exhaust Brake; New Spring Compressor Group Available {1108,1109,1119,0702,0703}
1988/12/19

New Screw Used In BrakeSaver Water Lines Group {1155}
1988/12/26

Different Mounting Hole Locations In Ring Gear Plate Assembly And Rotor Assembly For BrakeSaver{1155}
1979/09/03

Separate Grounding Of Throttle Limit Switch And Shutoff Solenoid Improves Component Reliability; New Throttle Limit Switch Used{1269,1155,1400}
1989/07/24

CAMSHAFT GP

Truck Engine News

New 8T2998 Lubricant Available
1986/02/01

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed
1986/09/01

Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines
1987/11/01

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

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

Camshaft Idler Gear Shaft/Bolts
1993/08/01

Camshaft Drive Gear Inspection
1993/10/01

New Valve Lifter Assembly Provide Improved Lubrication Of Lifter Roller And Camshaft Lobes{1209,1210}
1994/06/24

New Service Repair Camshaft Idler Gear Shafts Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/08/01

Engine News

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

Specifications

Camshaft
3406B DIESEL TRUCK ENGINE

Camshaft Bearings
3406B DIESEL TRUCK ENGINE

Information Release Memo

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

Service Magazine

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

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

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

Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines{1105,1209,1210,1214}
1987/11/02

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

CLUTCH GP

Truck Engine News

Troubleshooting Information For Horton Diesltemp© Fan Clutches{1359}
1996/02/26

COMPRESSOR GP-REFRIGERANT

Air Conditioner Compressor Mounting Bracket Improved
1985/06/01

COUPLING GP

Service Magazine

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

Use 6V6035 Hardness Tester On Crankshafts
1982/03/31

Inspection Marks On Bearings
1982/05/19

6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/12/08

Reuse Of Engine Bearings
1983/12/21

Crankshaft Failures
1983/12/21

Remanufactured Undersize Crankshafts Are Available
1984/04/04

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

Crankshaft Seal Usage On 3400 Series Truck Engines
1985/12/01

New Crankshaft Damper Has Rubber Bonded To Hub And Ring
1988/06/01

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

3406 Truck Engine Component Update
1992/10/01

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

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}
1995/08/01

Points To Remember When Replacing A Viscous Crankshaft Damper Assembly With A Rubber Crankshaft Damper Assembly{1205}
1997/01/27

Engine News

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

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

Specifications

Connecting Rod And Main Bearing Journals
3406B DIESEL TRUCK ENGINE

Crankshaft
3406B DIESEL TRUCK ENGINE

Service Magazine

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

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

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

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

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

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

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

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

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

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

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

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

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 Crankshaft Damper Has Rubber Bonded To Hub And Ring{1202,1205}
1988/06/13

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

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

CYLINDER BLOCK GP

Truck Engine News

Inspection Marks On Bearings
1982/05/19

New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip
1982/12/08

Use FT1711 Light Table For Cylinder Liner Inspection
1982/12/08

New Liner Seat Insert Available
1983/08/31

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

Effects Of Liner Wear In Engines Using Plasma Coated Top Rings
1985/11/01

New Cylinder Liner Available
1986/02/01

Mid-Life Bearing Maintenance Recommendations
1987/09/01

New Piston Cooling Jets Used
1987/09/01

New Liner Seat Insert Available
1988/11/01

Service Tips For Piston Cooling Jets (Tubes)
1990/11/01

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

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

Procedure To Retain Oil Pump When The Cylinder Block Pump Mounting Pad Is Broken
1991/05/01

Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks
1992/08/01

3406 Truck Engine Component Update
1992/10/01

New Cylinder Head Gasket, Spacer Plate And Head Bolts Used and New Cylinder Liner Projection Measurement Method
1992/11/01

Cylinder Pack Puller Groups Improved
1992/12/01

Damper Requirements For Remanufactured Short Block
1993/08/01

Flywheel Housing to Cylinder Block Joint Improvements{1157,1201}
1994/01/01

Be Sure Correct Piston Cooling Jets Are Installed{1331}
1994/11/01

New Service Repair Camshaft Idler Gear Shafts Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/08/01

New Material Used In O-Rings And Optional New Block Side Cover Replacement{1201}
1996/02/26

Engine News

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

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Idler Gear Shaft Pilot Bore
3406B DIESEL TRUCK ENGINE

Camshaft Bearings
3406B DIESEL TRUCK ENGINE

Cylinder Block
3406B DIESEL TRUCK ENGINE

Cylinder Liners
3406B DIESEL TRUCK ENGINE

Cylinder Liner Projection
3406B DIESEL TRUCK ENGINE

Connecting Rod And Main Bearing Journals
3406B DIESEL TRUCK ENGINE

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Spacer Plate
3406B DIESEL TRUCK ENGINE

Service Magazine

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

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

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

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

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

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

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

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

3406B Truck Engines Have Been Improved For 1985{1000,1050,1052,1100,1200,1250}
1985/03/04

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Stronger Oil Pan Available For Severe Applications{1201,1302,1307}
1988/08/08

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

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

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

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

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

New Head Gasket Available; Head Gasket Replacement Guidelines{1124,1216,1221}
1989/01/30

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

CYLINDER HEAD GP

Truck Engine News

Separate Valve Stem Gauges Available
1982/06/23

Engine Valve Stem "use Again " Specifications
1983/03/02

New Liner Seat Insert Available
1983/08/31

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/11/23

Valve Springs Must Be Removed Before Fuel Injection Nozzle Adapter Assembly Is Removed
1984/06/27

Surface Grinding Of Compacted Graphite Iron Cylinder Heads
1984/09/26

New Cylinder Heads, Fuel Nozzles And Fuel Nozzle Adapters Used
1984/11/07

New High Alloy Material Is Used In Cylinder Head Assemblies
1984/11/07

New Tools Available To Service Fuel Injection Nozzles And Adapters
1985/01/01

Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage
1985/07/01

Check Bolt Tightness Before Replacing Gaskets To Stop Coolant Leakage
1987/02/01

High Alloy Cylinder Head Improved
1987/07/01

Silicone Rubber Water Seals Available
1987/07/01

Former Exhaust Valve Bridge For Jacobs Brake ® Interferes With 40 mm Nozzle Adapter; New Bridge Used
1988/04/01

Remanufactured Cylinder Heads For 3406 Engines
1988/04/01

New Liner Seat Insert Available
1988/11/01

Larger Valve Springs Must Be Used With Williams Blue Ox ® 485 kPa (70 psi) Exhaust Brake; New Spring Compressor Group Available
1988/12/01

New Head Gasket Available; Head Gasket Replacement Guidelines
1989/01/01

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

Improved Head Gasket Used; Service Tips
1990/02/01

Coolant Loss In 3406B Truck Engines
1990/08/01

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

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

New Liner Seat Inserts Available
1992/11/01

New Cylinder Head Gasket, Spacer Plate And Head Bolts Used and New Cylinder Liner Projection Measurement Method
1992/11/01

Identification Of Intake And Exhaust Valves That May Be Used In Remanufactured Direct Injected 3400 Cylinder Heads{1105}
1994/04/22

New Intake And Exhaust Valves Used{1105,1100}
1994/06/24

New Water Seals Used in 3400 Head Assemblies{1124}
1994/08/30

Remanufactured 3400 Cylinder Heads Now Use Intake And Exhaust Valves With Chrome Plated Valve Stems{1105}
1994/09/01

New Inlet And Exhaust Valves Have Thinner Heads{1105}
1995/02/01

Service Cylinder Head Assemblies Have Round Exhaust Ports{1100,1101}
1995/07/01

New And Reconditioned Valve Projection Specifications{1105}
1995/08/01

New Valve Guides Available {1104}
1995/12/15

New Stronger Cylinder Head Bolts Used{1100}
1996/06/24

Engine News

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

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

Tolerance Added To Valve Clearance Specifications
1978/01/18

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

Service Letter-NACD

Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Truck/Ag/Marine

Specifications

Valves
3406B DIESEL TRUCK ENGINE

Cylinder Head
3406B DIESEL TRUCK ENGINE

Service Letter-China

Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines

Service Letter-Asia

Information Release Memo

DISCONTINUATION OF REMAN CYLINDER HEAD KITS 0R7744 & 0R7745 FOR 3406B AND 3406C ENGINES
DISCONTINUATION OF REMAN CYLINDER HEAD KITS 0R7744 & 0R7745 FOR 3406B AND 3406C ENGINES

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

Service Letter-APD

Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain 3406B Truck Engines

Disassembly and Assembly

Fuel Injection Nozzle Adapters (Earlier)
3406B DIESEL TRUCK ENGINE

Fuel Injection Nozzles And Adapters (Later)
3406B DIESEL TRUCK ENGINE

Cylinder Head Assembly
3406B DIESEL TRUCK ENGINE

Valves
3406B DIESEL TRUCK ENGINE

Service Magazine

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

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

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

Valve Springs Must Be Removed Before Fuel Injection Nozzle Adapter Assembly Is Removed{1106}
1984/06/11

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

Change To Maintenance Interval For Valve Lash Adjustment{1105,1102}
1984/09/03

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

New Cylinder Heads, Fuel Nozzles And Fuel Nozzle Adapters Used{1101,1106}
1984/10/29

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

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

3406B Truck Engines Have Been Improved For 1985{1000,1050,1052,1100,1200,1250}
1985/03/04

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

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

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

Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines{1105,1209,1210,1214}
1987/11/02

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

Former Exhaust Valve Bridge For Jacobs Brake® Interferes With 40 mm Nozzle Adapter; New Bridge Used{1119,1100}
1988/04/18

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

Larger Valve Springs Must Be Used With Williams Blue Ox® 485 kPa (70 psi) Exhaust Brake; New Spring Compressor Group Available {1108,1109,1119,0702,0703}
1988/12/19

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

New Head Gasket Available; Head Gasket Replacement Guidelines{1124,1216,1221}
1989/01/30

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

DAMPER GP

Truck Engine News

New Crankshaft Damper Has Rubber Bonded To Hub And Ring
1988/06/01

3406 Truck Engine Component Update
1992/10/01

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}
1995/08/01

Points To Remember When Replacing A Viscous Crankshaft Damper Assembly With A Rubber Crankshaft Damper Assembly{1205}
1997/01/27

Specifications

Pulley Tightener Group
3406B DIESEL TRUCK ENGINE

Pulley And Damper Groups
3406B DIESEL TRUCK ENGINE

Service Magazine

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

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

New Crankshaft Damper Has Rubber Bonded To Hub And Ring{1202,1205}
1988/06/13

DRIVE GP-ACCESSORY

Specifications

Auxiliary Drive Group
3406B DIESEL TRUCK ENGINE

Accessory Drive Groups
3406B DIESEL TRUCK ENGINE

DRIVE GP-AUXILIARY

Auxiliary Drive Group
3406B DIESEL TRUCK ENGINE

Accessory Drive Groups
3406B DIESEL TRUCK ENGINE

DRIVE GP-FAN

Truck Engine News

Troubleshooting Information For Horton Diesltemp© Fan Clutches{1359}
1996/02/26

Service Magazine

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

DRIVE GP-PUMP

Truck Engine News

Impeller Appearance On Remanufactured 3406 Water Pump{1364,1361}
1994/09/01

Improved Water Pump Groups Available{1361}
1996/10/01

Service Letter-NACD

New Spring Needs To Be Installed In The 7E6844 Seal Groups And In The Seal Groups Used In Various 3406 Water Pumps, And Gaskets Kits In Parts Stock
New Spring Needs To Be Installed In The 7E6844 Seal Groups And In The Seal Groups Used In Various 3406 Water Pumps, And Gaskets Kits In Parts Stock

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

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Product Support Program For Installing A Standpipe In The Water Pump Of Certain 3406B, 3406C And 3406E Truck Engines
Product Support Program For Installing A Standpipe In The Water Pump Of Certain 3406B, 3406C And 3406E Truck Engines

Service Letter-Australia

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-CFEL

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-CSARL

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-Americas

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-Brazil

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-Truck/Ag/Marine

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-China

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-Asia

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Service Letter-APD

A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines
A Standpipe Needs To Be Installed In Water Pumps Used On 3406 Engines

Disassembly and Assembly

Water Pump
3406B DIESEL TRUCK ENGINE

Service Magazine

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

New Oil Seal And Coolant Seal Group Improve Service Life Of Engine Water Pump{1361,1389,1373}
1985/06/17

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

New Water Pump Group Used{1361}
1987/06/29

Temperature Regulator Housing Parts And Water Pump Adapter Have More Resistance To Erosion And Galvanic Corrosion; Guidelines On Grounding Of Electrical System And Cooling System Maintenance {1350,1361,1393,1400}
1987/08/03

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

DRIVE GP-WATER PUMP

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

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

ENGINE GP

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

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

New Engine Oil Coolers Have Rubber End Sheets {1378}
1988/01/25

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

FLYWHEEL GP

Truck 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}
1996/10/01

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
3406B DIESEL TRUCK ENGINE

Flywheels
3406B DIESEL TRUCK ENGINE

Flywheel Adapter Group
3406B DIESEL TRUCK ENGINE

Flywheel Housing Bore
3406B DIESEL TRUCK ENGINE

Flywheel Housing Runout
3406B DIESEL TRUCK ENGINE

Flywheel Runout
3406B DIESEL TRUCK ENGINE

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

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

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

GEAR GP

Truck Engine News

Self-Locking Bolts Used In Front Timing Gear Group
1988/10/01

New Service Repair Camshaft Idler Gear Shafts Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/08/01

Timing Procedure Aid -Alignment Of Timing Gear Marks On 3406 Engines{1206}
1997/01/27

Specifications

Idler Gear Shaft Pilot Bore
3406B DIESEL TRUCK ENGINE

Idler Gear Assembly (For Front Gear Group)
3406B DIESEL TRUCK ENGINE

Front (Timing) Gear Group
3406B DIESEL TRUCK ENGINE

Service Magazine

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

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

Self-Locking Bolts Used In Front Timing Gear Group{1206}
1988/10/17

HOUSING GP-FLYWHEEL

Truck 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

Flywheel Housing to Cylinder Block Joint Improvements{1157,1201}
1994/01/01

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/10/01

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
3406B DIESEL TRUCK ENGINE

Flywheel Housing Bore
3406B DIESEL TRUCK ENGINE

Flywheel Housing Runout
3406B DIESEL TRUCK ENGINE

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

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

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

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

HOUSING GP-FRONT

Truck Engine News

Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/10/01

Specifications

Front Housing And Covers
3406B DIESEL TRUCK ENGINE

Service Magazine

Self-Locking Bolts Used In Front Timing Gear Group{1206}
1988/10/17

MISCELLANEOUS INFORMATION

Truck Engine News

Use 6V6035 Hardness Tester On Crankshafts
1982/03/31

New 6V4950 Injection Line Speed Pickup Group Used With 6V2100 Multitach
1982/05/19

Inspection Marks On Bearings
1982/05/19

Separate Valve Stem Gauges Available
1982/06/23

Make Change To 6V2100 Multitach And 5P9698 Calibrator
1982/12/08

New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip
1982/12/08

6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/12/08

Use 6V6147 Polishing Wheel To Clean Piston Pins
1982/12/08

Use FT1711 Light Table For Cylinder Liner Inspection
1982/12/08

Engine Valve Stem "use Again " Specifications
1983/03/02

Pistons With Thicker Top Rings Must Be Used In Correct Applications
1983/06/29

New Liner Seat Insert Available
1983/08/31

Parts Service Information For Pistons, Connecting Rods, Piston Pins And Rings
1983/10/05

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/11/23

Reuse Of Engine Bearings
1983/12/21

Crankshaft Failures
1983/12/21

Surface Grinding Of Compacted Graphite Iron Cylinder Heads
1984/09/26

Exhaust Brake Performance Increased
1985/01/01

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

Use Care When Removing Oil Pan And 9N3167 Plate
1985/02/01

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

Air Conditioner Compressor Mounting Bracket Improved
1985/06/01

Effects Of Liner Wear In Engines Using Plasma Coated Top Rings
1985/11/01

Crankshaft Seal Usage On 3400 Series Truck Engines
1985/12/01

New Fuel Ratio Control Group Used On Engines Equipped With New Scroll Fuel System
1985/12/01

New 8T2998 Lubricant Available
1986/02/01

New Cylinder Liner Available
1986/02/01

Stronger Oil Pan Used
1986/03/01

Use Care When Removing Oil Pan And 9N3167 Plate
1986/05/01

Valve Lash Adjustment Interval Is Changed
1986/07/01

New Engine Timing Indicator Group Available
1986/07/01

Prevent Gasket Leakage On 3406B Truck Engines Equipped With Jake Brakes
1986/07/01

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

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed
1986/09/01

New Indicator Instrument Group Available To Measure Crankcase Blowby And Radiator Air Velocity
1986/11/01

High Alloy Cylinder Head Improved
1987/07/01

Silicone Rubber Water Seals Available
1987/07/01

Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines
1987/11/01

Improved Valve Mechanism Cover Groups
1987/12/01

Former Exhaust Valve Bridge For Jacobs Brake ® Interferes With 40 mm Nozzle Adapter; New Bridge Used
1988/04/01

Remanufactured Cylinder Heads For 3406 Engines
1988/04/01

New Crankshaft Damper Has Rubber Bonded To Hub And Ring
1988/06/01

Stronger Oil Pan Available For Severe Applications
1988/08/01

New Liner Seat Insert Available
1988/11/01

Larger Valve Springs Must Be Used With Williams Blue Ox ® 485 kPa (70 psi) Exhaust Brake; New Spring Compressor Group Available
1988/12/01

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

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

Improved Head Gasket Used; Service Tips
1990/02/01

New Valve Lifter Improves Oil Flow To Top Of Engine (improves Compression Brake System Performance)
1990/04/01

Service Tips For Piston Cooling Jets (Tubes)
1990/11/01

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

Procedure To Retain Oil Pump When The Cylinder Block Pump Mounting Pad Is Broken
1991/05/01

New Drain Plug And O-ring Seal Used In Oil Pan Groups
1991/05/01

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

3406 Truck Engine Component Update
1992/10/01

Cylinder Pack Puller Groups Improved
1992/12/01

Maintenance Tips For 60799 Exhaust Restrictor; Additional Spring Improves Performance Of 60799 Exhaust Restrictor
1993/01/01

Damper Requirements For Remanufactured Short Block
1993/08/01

Flywheel Housing to Cylinder Block Joint Improvements{1157,1201}
1994/01/01

Identification Of Intake And Exhaust Valves That May Be Used In Remanufactured Direct Injected 3400 Cylinder Heads{1105}
1994/04/22

New Intake And Exhaust Valves Used{1105,1100}
1994/06/24

New Valve Lifter Assembly Provide Improved Lubrication Of Lifter Roller And Camshaft Lobes{1209,1210}
1994/06/24

Remanufactured 3400 Cylinder Heads Now Use Intake And Exhaust Valves With Chrome Plated Valve Stems{1105}
1994/09/01

Impeller Appearance On Remanufactured 3406 Water Pump{1364,1361}
1994/09/01

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

New Service Repair Camshaft Idler Gear Shafts Available For Use With Cylinder Blocks With Damaged Pilot Bore{1237}
1995/08/01

New Material Used In O-Rings And Optional New Block Side Cover Replacement{1201}
1996/02/26

Engine News

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

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

Tolerance Added To Valve Clearance Specifications
1978/01/18

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

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

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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 Magazine

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Fuel Setting And Air Fuel Ratio Control Adjustment Tools For 3406B Engines{0650,1264,1257,1278}
1984/03/26

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

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

Change To Maintenance Interval For Valve Lash Adjustment{1105,1102}
1984/09/03

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

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

3406B Truck Engines Have Been Improved For 1985{1000,1050,1052,1100,1200,1250}
1985/03/04

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

Air Conditioner Compressor Mounting Bracket Improved{1802}
1985/05/20

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

New Oil Seal And Coolant Seal Group Improve Service Life Of Engine Water Pump{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

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

New Fuel Ratio Control Group Used On Engines Equipped With New Scroll Fuel System{1278}
1985/11/25

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

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

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

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

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

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

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

New Water Pump Group Used{1361}
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

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

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

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 Crankshaft Damper Has Rubber Bonded To Hub And Ring{1202,1205}
1988/06/13

Piston Application Guide{1214,1215}
1988/06/13

Stronger Oil Pan Available For Severe Applications{1201,1302,1307}
1988/08/08

Self-Locking Bolts Used In Front Timing Gear Group{1206}
1988/10/17

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

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

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

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

New Head Gasket Available; Head Gasket Replacement Guidelines{1124,1216,1221}
1989/01/30

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

New Connecting Rod Bearing Used{0372,1203,1219}
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

MOUNTING GP-ENGINE

Specifications

Engine Front Support
3406B DIESEL TRUCK ENGINE

PAN GP-OIL

Truck Engine News

Use Care When Removing Oil Pan And 9N3167 Plate
1985/02/01

Stronger Oil Pan Used
1986/03/01

Use Care When Removing Oil Pan And 9N3167 Plate
1986/05/01

Stronger Oil Pan Available For Severe Applications
1988/08/01

New Drain Plug And O-ring Seal Used In Oil Pan Groups
1991/05/01

Specifications

Oil Pan
3406B DIESEL TRUCK ENGINE

Service Magazine

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

Use Care When Removing Oil Pan And 9N3167 Plate{1302}
1985/02/04

Stronger Oil Pan Used{1302}
1986/03/10

Use Care When Removing Oil Pan And 9N3167 Plate{1302}
1986/04/21

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

Stronger Oil Pan Available For Severe Applications{1201,1302,1307}
1988/08/08

PARTS GP-MISCELLANEOUS

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

PISTON & ROD GP

Truck Engine News

Inspection Marks On Bearings
1982/05/19

Use 6V6147 Polishing Wheel To Clean Piston Pins
1982/12/08

Pistons With Thicker Top Rings Must Be Used In Correct Applications
1983/06/29

Parts Service Information For Pistons, Connecting Rods, Piston Pins And Rings
1983/10/05

Reuse Of Engine Bearings
1983/12/21

Remanufactured Connecting Rod Assemblies
1984/02/15

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

Effects Of Liner Wear In Engines Using Plasma Coated Top Rings
1985/11/01

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

Check Connecting Rods After Engine Failures Involving Hydraulic Lock
1986/11/01

Use Correct Pistons And Rings For 3406B Truck
1987/05/01

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

Mid-Life Bearing Maintenance Recommendations
1987/09/01

Piston Application Guide
1988/06/01

New Connecting Rod Bearing Used
1989/08/01

Connecting Rod Bearing Maintenance
1989/08/01

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

New Pistons Used
1990/08/01

Service Tips For Piston Cooling Jets (Tubes)
1990/11/01

New Piston Pin Retainer Used
1991/10/01

Cylinder Pack Puller Groups Improved
1992/12/01

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

Be Sure Correct Piston Cooling Jets Are Installed{1331}
1994/11/01

Proper Method For Cleaning Anodized-Coated Aluminum Pistons{1214}
1995/07/01

Engine News

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

Connecting Rod Changes And Replacement Information
1980/03/12

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

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

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

PRODUCT SUPPORT PROGRAM TO REPLACE DEALER INSTALLED ROD BEARINGS ON CERTAIN 3400, 3300, 3176, AND C-10 ENGINES, IN ALL APPLICATIONS; COMPACTORS; MOTOR GRADERS; OFF-HIGHWAY TRUCKS; ARTICULATED TRUCKS; TRACK-TYPE TRACTORS; TRACK LOADERS; WHEEL LOADERS; WHEE
PRODUCT SUPPORT PROGRAM TO REPLACE DEALER INSTALLED ROD BEARINGS ON CERTAIN 3400, 3300, 3176, AND C-10 ENGINES, IN ALL APPLICATIONS; COMPACTORS; MOTOR GRADERS; OFF-HIGHWAY TRUCKS; ARTICULATED TRUCKS; TRACK-TYPE TRACTORS; TRACK LOADERS; WHEEL LOADERS; WHEE

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

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

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Specifications

Pistons And Rings
3406B DIESEL TRUCK ENGINE

Connecting Rods
3406B DIESEL TRUCK ENGINE

Connecting Rod And Main Bearing Journals
3406B DIESEL TRUCK ENGINE

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

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

Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines
Product Support Program For Replacing The Cylinder Kits On Certain 3406B Truck Engines

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

Service Magazine

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Use Correct Pistons And Rings For 3406B Truck Engines {1214,1215}
1986/12/01

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

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

Use Correct Pistons And Rings For 3406B Truck Engines {1214,1215}
1987/06/01

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

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

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

Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines{1105,1209,1210,1214}
1987/11/02

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

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

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

Piston Application Guide{1214,1215}
1988/06/13

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

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

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

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

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

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

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

New Turbocharger, Piston And Fuel Ratio Control Used{1052,1214,1215,1278}
1989/11/27

POWER PACK GP

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

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

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

PULLEY GP

Truck Engine News

New Crankshaft Damper Has Rubber Bonded To Hub And Ring
1988/06/01

3406 Truck Engine Component Update
1992/10/01

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}
1995/08/01

Points To Remember When Replacing A Viscous Crankshaft Damper Assembly With A Rubber Crankshaft Damper Assembly{1205}
1997/01/27

Specifications

Pulley Tightener Group
3406B DIESEL TRUCK ENGINE

Pulley And Damper Groups
3406B DIESEL TRUCK ENGINE

Service Magazine

New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23

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

Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01

Identification Of External Terminals On Alternators{1405,1406,1400}
1987/03/23

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

Check Alternator Output Connection Prior To Machine Delivery{1405}
1987/05/18

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

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

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

New Crankshaft Damper Has Rubber Bonded To Hub And Ring{1202,1205}
1988/06/13

New 35-Ampere Alternator Used On Some Engines In Caterpillar Equipment{1405,1406}
1979/08/13

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

SUPPRESSION GP-SOUND

Truck Engine News

New Drain Plug And O-ring Seal Used In Oil Pan Groups
1991/05/01

TOOLS

New 6V4950 Injection Line Speed Pickup Group Used With 6V2100 Multitach
1982/05/19

Separate Valve Stem Gauges Available
1982/06/23

Make Change To 6V2100 Multitach And 5P9698 Calibrator
1982/12/08

New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip
1982/12/08

6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/12/08

New Engine Timing Indicator Group Available
1986/07/01

New Indicator Instrument Group Available To Measure Crankcase Blowby And Radiator Air Velocity
1986/11/01

Correct Light Bulb Replacement For The 8T9290 Borescope; New Light Bulb Used
1990/09/01

Cylinder Pack Puller Groups Improved
1992/12/01

Engine News

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

Tool Operating Manual

Using The Inspection Borescopes 1U5268 and 8T9290 Borescopes
Using The Inspection Borescopes 1U5268 and 8T9290 Borescopes

Service Magazine

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

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

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

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

Make Change To 6V2100 Multitach And 5P9698 Calibrator{0651}
1982/11/15

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

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

New Engine Timing Indicator Group Available {0781,0782}
1986/07/07

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

New Special Instruction For Troubleshooting 5P2150 Engine Horsepower Meter{0651,1250}
1977/01/17

Troubleshooting The Tachometer System Of The 4S6553 Engine Instrument Group{0651}
1977/10/10

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

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

Extraction Tools For "Live Oil Sampling"{7770,0770,0781,0783,0784}
1988/04/18

Installation Of Valves For Live Oil Sampling{7770,0770,0781,0783,0784}
1988/06/06

Larger Valve Springs Must Be Used With Williams Blue Ox® 485 kPa (70 psi) Exhaust Brake; New Spring Compressor Group Available {1108,1109,1119,0702,0703}
1988/12/19

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

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

6V117 And 6V2001 Bushings Used In 9S8140 Pressurizing Pump Group Are Available For Parts Service{0651}
1979/06/25

VALVE MECHANISM GP

Truck Engine News

Change To Maintenance Interval For Valve Lash Adjustment
1984/09/26

New 8T2998 Lubricant Available
1986/02/01

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

Valve Lash Adjustment Interval Is Changed
1986/07/01

Prevent Gasket Leakage On 3406B Truck Engines Equipped With Jake Brakes
1986/07/01

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed
1986/09/01

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

Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines
1987/11/01

Improved Valve Mechanism Cover Groups
1987/12/01

Former Exhaust Valve Bridge For Jacobs Brake ® Interferes With 40 mm Nozzle Adapter; New Bridge Used
1988/04/01

New Valve Lifter Improves Oil Flow To Top Of Engine (improves Compression Brake System Performance)
1990/04/01

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

New Rocker Arm Adjustment Screw Used To Adjust Valve Clearance{1123,1100}
1994/06/24

New Valve Lifter Assembly Provide Improved Lubrication Of Lifter Roller And Camshaft Lobes{1209,1210}
1994/06/24

Engine News

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

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

Tolerance Added To Valve Clearance Specifications
1978/01/18

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

Specifications

Valve Covers
3406B DIESEL TRUCK ENGINE

Valve Rocker Arms, Lifters And Bridges
3406B DIESEL TRUCK ENGINE

Jake Brake
3406B DIESEL TRUCK ENGINE

Information Release Memo

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

Disassembly and Assembly

Valve Covers
3406B DIESEL TRUCK ENGINE

Rocker Shaft Assemblies And Push Rods
3406B DIESEL TRUCK ENGINE

Rocker Shaft Assemblies
3406B DIESEL TRUCK ENGINE

Valve Lifters
3406B DIESEL TRUCK ENGINE

Service Magazine

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

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

Change To Maintenance Interval For Valve Lash Adjustment{1105,1102}
1984/09/03

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

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

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

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

Prevent Gasket Leakage On 3406B Truck Engines Equipped With Jake Brakes{1058,1063}
1986/05/19

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

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

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

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

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

Results Of High Speed And/Or Overspeeding Of 3406B Truck Engines{1105,1209,1210,1214}
1987/11/02

Improved Valve Mechanism Cover Groups{1107}
1987/12/14

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

Former Exhaust Valve Bridge For Jacobs Brake® Interferes With 40 mm Nozzle Adapter; New Bridge Used{1119,1100}
1988/04/18

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

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

HOUSING GP-REAR

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

Service Letter-China

Service Letter-Asia

Service Letter-APD

Service Magazine

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

DRIVE GP-ALTERNATOR

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

Truck sale:

USD $25,000

1990 CAT 3406B

Power Generation Enterprises Inc.
North Hollywood, California

USD $22,000

1991 CAT 3406B

Ransome CAT
Bensalem, Pennsylvania

USD $35,000

1989 CAT 3406B

Worldwide Power Products LLC
Houston, Texas

USD $29,000

1988 CAT 3406B

Ransome CAT
Bensalem, Pennsylvania

$29,000 USD

CATERPILLAR 3406B 1988
- MARINE - PROPULSION
RANSOME ENGINE POWER
United States