3406B Truck Engine 4MG03600-UP BASIC ENGINE Caterpillar SIS

TRUCK ENGINE 3406B TRUCK ENGINE 4MG
3406B Truck Engine 4MG03600-UP SEBP1755 3406B 4MG (1987)

Parts group 3406B:

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BASIC ENGINE

AIR COMPRESSOR GP

1N-2991 AIR COMPRESSOR GP

1N-2991 AIR COMPRESSOR GP
15.5 CFM, GEAR DRIVEN
FOR USE WITH @@@@@ 7C-3639@@@@@
ALSO AN ATTACHMENT

1N-2992 AIR COMPRESSOR GP

1N-2992 AIR COMPRESSOR GP
ENGINE OIL LUBRICATED-ENGINE WATER COOLED
PART OF 354-7530 AIR COMPRESSOR GP
ALSO AN ATTACHMENT

1N-2995 AIR COMPRESSOR GP

1N-2995 AIR COMPRESSOR GP
PART OF 354-7531 AIR COMPRESSOR GP

1N-2997 AIR COMPRESSOR GP

1N-2997 AIR COMPRESSOR GP
12 CFM, GEAR DRIVEN DRIVE RATIO 1:1

354-7530 AIR COMPRESSOR GP

354-7530 AIR COMPRESSOR GP
PART OF 1N-2991 AIR COMPRESSOR GP
ALSO AN ATTACHMENT

354-7531 AIR COMPRESSOR GP

354-7531 AIR COMPRESSOR GP
PART OF 1N-2997 AIR COMPRESSOR GP

4P-1911 AIR COMPRESSOR GP

4P-1911 AIR COMPRESSOR GP
S/N 4MG92361-99999
16 CFM, DRIVE RATIO 1:1

4W-6425 AIR COMPRESSOR GP

4W-6425 AIR COMPRESSOR GP
S/N 4MG9771-99999
PART OF 4W-6667 AIR COMPRESSOR GP
ALSO AN ATTACHMENT

4W-6667 AIR COMPRESSOR GP

4W-6667 AIR COMPRESSOR GP
S/N 4MG9771-68201; 4MG83945-99999
13 CFM
FOR USE WITH @@@@@ 2W-9998@@@@@
ALSO AN ATTACHMENT

7E-1428 AIR COMPRESSOR GP

7E-1428 AIR COMPRESSOR GP
16 CFM. GEAR DRIVEN
FOR USE WITH @@@@@ 4W-3123@@@@@, @@@@@ 2W-9998@@@@@
AN ATTACHMENT

7E-7619 AIR COMPRESSOR GP

7E-7619 AIR COMPRESSOR GP
S/N 4MG92361-99999
PART OF 4P-1911 AIR COMPRESSOR GP

7W-0023 AIR COMPRESSOR GP

7W-0023 AIR COMPRESSOR GP
S/N 4MG61639-99999
31 CFM
FOR USE WITH @@@@@ 7C-0316@@@@@, @@@@@ 7C-1783@@@@@
CANNOT BE USED WITH PREMIUM INSTRUMENT PANEL OR FACTORY INSTALLED WATER CONDITIONER
ALSO AN ATTACHMENT

7W-4020 AIR COMPRESSOR GP

7W-4020 AIR COMPRESSOR GP
S/N 4MG61639-99999
PART OF 7W-0023 AIR COMPRESSOR GP
ALSO AN ATTACHMENT

9Y-2240 AIR COMPRESSOR GP

9Y-2240 AIR COMPRESSOR GP
16 CFM, GEAR DRIVEN
PART OF 7E-1428 AIR COMPRESSOR GP
AN ATTACHMENT

2W-9998 LINES GP-AIR COMPRESSOR

2W-9998 LINES GP-AIR COMPRESSOR
FOR USE WITH AIR COMPRESSOR

7C-0316 LINES GP-AIR COMPRESSOR

7C-0316 LINES GP-AIR COMPRESSOR
FOR USE WITH 30 CFM AIR COMPRESSOR
AN ATTACHMENT

7C-0573 LINES GP-AIR COMPRESSOR

7C-0573 LINES GP-AIR COMPRESSOR
FOR USE WITH 30 CFM AIR COMPRESSOR
AN ATTACHMENT

7C-1783 LINES GP-AIR COMPRESSOR

7C-1783 LINES GP-AIR COMPRESSOR
S/N 4MG61639-82938
FOR USE WITH @@@@@ 7W-0023@@@@@
ALSO AN ATTACHMENT

7C-3639 LINES GP-AIR COMPRESSOR

7C-3639 LINES GP-AIR COMPRESSOR
ALSO AN ATTACHMENT

7C-7246 LINES GP-AIR COMPRESSOR

7C-7246 LINES GP-AIR COMPRESSOR
S/N 4MG70272-99999
FOR USE WITH NON-BOOSTED AIR TO SUPPLY THE COMPRESSOR
ALSO AN ATTACHMENT

BELT TIGHTENER GP

7C-4592 BELT TIGHTENER GP

7C-4592 BELT TIGHTENER GP
S/N 4MG87577-99999
4 GROOVE-6 INCH DIAMETER IDLER PULLEY
ALSO AN ATTACHMENT

9N-2112 BELT TIGHTENER GP

9N-2112 BELT TIGHTENER GP
4 GROOVE-6 INCH DIAMETER IDLER PULLEY
AN ATTACHMENT

9Y-3650 FASTENER GP-BELT TIGHTENER

9Y-3650 FASTENER GP-BELT TIGHTENER
ALSO AN ATTACHMENT

ENGINE BRAKE GP

9N-1852 BRAKESAVER GP

9N-1852 BRAKESAVER GP

9N-0572 CONTROL GP-BRAKESAVER

9N-0572 CONTROL GP-BRAKESAVER
AUTOMATIC
AN ATTACHMENT

9Y-6712 CONVERSION GP-ENGINE BRAKE

9Y-6712 CONVERSION GP-ENGINE BRAKE
70 PSI
AN ATTACHMENT

148-7440 ENGINE BRAKE GP

148-7440 ENGINE BRAKE GP
12 VOLTS
FIELD INSTALLATION

7C-0043 ENGINE BRAKE GP

7C-0043 ENGINE BRAKE GP
S/N 4MG3600-18249

7W-7565 ENGINE BRAKE GP

7W-7565 ENGINE BRAKE GP

9N-2059 FASTENER GP-BRAKESAVER

9N-2059 FASTENER GP-BRAKESAVER

4P-2142 HOUSING GP-ENGINE BRAKE

4P-2142 HOUSING GP-ENGINE BRAKE
12 VOLT. FRONT
PART OF 148-7440, 7W-7565 ENGINE BRAKE GP

4P-2143 HOUSING GP-ENGINE BRAKE

4P-2143 HOUSING GP-ENGINE BRAKE
12 VOLT. REAR
PART OF 148-7440, 7W-7565 ENGINE BRAKE GP

143-6479 KIT-ENGINE BRAKE

143-6479 KIT-ENGINE BRAKE
FIELD INSTALLATION

148-7443 SPACER GP-ENGINE BRAKE

148-7443 SPACER GP-ENGINE BRAKE
PART OF 148-7440 ENGINE BRAKE GP

1S-3998 VALVE AS-RETARDER

1S-3998 VALVE AS-RETARDER -OPERATOR CONTROL
PART OF 9N-0572 CONTROL GP-BRAKESAVER
AN ATTACHMENT

9N-3687 VALVE GP-BRAKESAVER CONTROL

9N-3687 VALVE GP-BRAKESAVER CONTROL
S/N 4MG3600-19929

9N-3687 VALVE GP-BRAKESAVER CONTROL

9N-3687 VALVE GP-BRAKESAVER CONTROL
S/N 4MG19930-99999

9N-5530 VALVE GP-BRAKESAVER CONTROL

9N-5530 VALVE GP-BRAKESAVER CONTROL
S/N 4MG3600-19929
PART OF 9N-3687 VALVE GP-BRAKESAVER CONTROL

9Y-7116 VALVE GP-BRAKESAVER CONTROL

9Y-7116 VALVE GP-BRAKESAVER CONTROL
S/N 4MG19930-99999
PART OF 9N-3687 VALVE GP-BRAKESAVER CONTROL

5D-3056 VALVE GP-CHECK

5D-3056 VALVE GP-CHECK -BRAKESAVER AIR SUPPLY
PART OF 9N-0572 CONTROL GP-BRAKESAVER
AN ATTACHMENT

4W-2540 SWITCH GP-ENGINE BRAKE

4W-2540 SWITCH GP-ENGINE BRAKE
S/N 4MG3600-52108
FOR USE WITH BRAKESAVER ENGINES

4W-2540 SWITCH GP-ENGINE BRAKE

4W-2540 SWITCH GP-ENGINE BRAKE
S/N 4MG52109-99999
FOR USE WITH BRAKESAVER ENGINES

7C-0038 SWITCH GP-ENGINE BRAKE

7C-0038 SWITCH GP-ENGINE BRAKE
ALSO AN ATTACHMENT

CAMSHAFT GP

4W-2431 CAMSHAFT GP

4W-2431 CAMSHAFT GP -SINGLE

7W-3798 CAMSHAFT GP

7W-3798 CAMSHAFT GP -SINGLE

COMPRESSOR GP-REFRIGERANT

4W-4836 MOUNTING GP-ALTERNATOR & COMPR

4W-4836 MOUNTING GP-ALTERNATOR & COMPR
FOR USE WITH ROTARY TYPE REFRIGERANT COMPRESSOR
ALSO AN ATTACHMENT

7E-7944 MOUNTING GP-ALTERNATOR & COMPR

7E-7944 MOUNTING GP-ALTERNATOR & COMPR
AN ATTACHMENT

4W-5659 MOUNTING GP-REFRIGERANT COMPR

4W-5659 MOUNTING GP-REFRIGERANT COMPR
RH FRONT SIDE MOUNTING
FOR USE WITH ROTARY REFRIGERANT COMPRESSOR
AN ATTACHMENT

4W-8054 MOUNTING GP-REFRIGERANT COMPR

4W-8054 MOUNTING GP-REFRIGERANT COMPR
FOR USE WITH PISTON TYPE REFRIGERANT COMPRESSOR
AN ATTACHMENT

7C-5615 MOUNTING GP-REFRIGERANT COMPR

7C-5615 MOUNTING GP-REFRIGERANT COMPR
FOR USE WITH PISTON TYPE REFRIGERANT COMPRESSOR
ALSO AN ATTACHMENT

9N-5033 MOUNTING GP-REFRIGERANT COMPR

9N-5033 MOUNTING GP-REFRIGERANT COMPR
FOR USE WITH CENTER MOUNTED FAN DRIVE & SLANT ENGINE ARRANGEMENTS, REQUIRING OFFSET FAN DRIVE;PROVIDES HARDWARE FOR ALTERNATOR
AN ATTACHMENT

9N-6417 MOUNTING GP-REFRIGERANT COMPR

9N-6417 MOUNTING GP-REFRIGERANT COMPR
S/N 4MG79521-99999
FOR USE WITH CENTER MOUNTED FAN DRIVE & SLANT ENGINE ARRANGEMENTS, REQUIRING OFFSET FAN DRIVE; PROVIDES HARDWARE FOR ALTERNATOR MTG
ALSO AN ATTACHMENT

CRANKSHAFT GP

1W-6207 CRANKSHAFT AS

1W-6207 CRANKSHAFT AS
PART OF 4N-0741 CRANKSHAFT GP

4N-0741 CRANKSHAFT GP

4N-0741 CRANKSHAFT GP
S/N 4MG3600-25163

4N-0741 CRANKSHAFT GP

4N-0741 CRANKSHAFT GP
S/N 4MG25164-99999

9Y-8582 CRANKSHAFT GP

9Y-8582 CRANKSHAFT GP
S/N 4MG65112-73858

CYLINDER BLOCK GP

9N-3866 COVER GP-CYLINDER BLOCK

9N-3866 COVER GP-CYLINDER BLOCK

9N-3867 COVER GP-CYLINDER BLOCK

9N-3867 COVER GP-CYLINDER BLOCK

9N-5449 CYLINDER BLOCK AS

9N-5449 CYLINDER BLOCK AS
PART OF 1N-2992 AIR COMPRESSOR GP
ALSO AN ATTACHMENT

4P-3720 CYLINDER BLOCK GP

4P-3720 CYLINDER BLOCK GP
FIELD REPLACEMENT FOR @@@@@ 8N-9267@@@@@
FIELD INSTALLATION

8N-9267 CYLINDER BLOCK GP

8N-9267 CYLINDER BLOCK GP
FIELD REPLACEMENT ORDER 6-111-8606 BOLT-SPECIAL, 6-290-6567 TUBE AS-OIL JET

CYLINDER HEAD GP

7W-0007 CYLINDER HEAD AS

7W-0007 CYLINDER HEAD AS
PART OF 7W-0009 CYLINDER HEAD AS, 7E-0970, 7W-2203 CYLINDER HEAD GP
FIELD REPLACEMENT ORDER @@@@@ 7W-0009@@@@@
ALSO AN ATTACHMENT

7W-0009 CYLINDER HEAD AS

7W-0009 CYLINDER HEAD AS
FIELD REPLACEMENT FOR @@@@@ 7W-0007@@@@@
FIELD INSTALLATION

9Y-3775 CYLINDER HEAD AS

9Y-3775 CYLINDER HEAD AS
S/N 4MG52360-99999
PART OF 7E-0970 CYLINDER HEAD GP
ALSO AN ATTACHMENT

4W-2436 CYLINDER HEAD GP

4W-2436 CYLINDER HEAD GP

7C-0041 CYLINDER HEAD GP

7C-0041 CYLINDER HEAD GP

7E-0970 CYLINDER HEAD GP

7E-0970 CYLINDER HEAD GP
S/N 4MG52360-99999
PART OF 7E-3706 CYLINDER HEAD GP
Type 1
ALSO AN ATTACHMENT

7E-0970 CYLINDER HEAD GP

7E-0970 CYLINDER HEAD GP
S/N 4MG52360-99999
PART OF 7E-3706 CYLINDER HEAD GP
Type 2
ALSO AN ATTACHMENT

7E-3706 CYLINDER HEAD GP

7E-3706 CYLINDER HEAD GP
S/N 4MG52360-99999
FOR USE WITH ATAAC ENGINES ONLY
ALSO AN ATTACHMENT

7W-2203 CYLINDER HEAD GP

7W-2203 CYLINDER HEAD GP
PART OF 4W-2436, 7C-0041 CYLINDER HEAD GP

DAMPER GP

1W-4787 DAMPER & PULLEY GP

1W-4787 DAMPER & PULLEY GP
S/N 4MG3600-4052

4P-4293 DAMPER & PULLEY GP

4P-4293 DAMPER & PULLEY GP
S/N 4MG96164-96164
9.5 INCH DIAMETER

7E-2559 DAMPER & PULLEY GP

7E-2559 DAMPER & PULLEY GP
S/N 4MG52360-99999
SPACER
FOR USE WITH 350 HP ENGINES & BELOW
ALSO AN ATTACHMENT

7E-2559 DAMPER & PULLEY GP

7E-2559 DAMPER & PULLEY GP
SPACER
FOR USE WITH 350 HP ENGINES & BELOW

7E-2560 DAMPER & PULLEY GP

7E-2560 DAMPER & PULLEY GP
S/N 4MG52360-99999
SPACER
FOR USE WITH 400 & 425 HP ENGINES
ALSO AN ATTACHMENT

7W-2745 DAMPER & PULLEY GP

7W-2745 DAMPER & PULLEY GP
SPACER

9N-0945 DAMPER & PULLEY GP

9N-0945 DAMPER & PULLEY GP
7.5 INCH DIAMETER PULLEY
FOR USE WITH 350 HP ENGINE AND BELOW
ALSO AN ATTACHMENT

9N-1375 DAMPER & PULLEY GP

9N-1375 DAMPER & PULLEY GP

9N-2283 DAMPER & PULLEY GP

9N-2283 DAMPER & PULLEY GP
10.5 INCH DIAMETER PULLEY
FOR USE WITH 350 HP ENG AND BELOW
ALSO AN ATTACHMENT

9Y-4874 DAMPER & PULLEY GP

9Y-4874 DAMPER & PULLEY GP
191 MM (7.5 INCH) DIAMETER PULLEY
ALSO AN ATTACHMENT

9Y-4875 DAMPER & PULLEY GP

9Y-4875 DAMPER & PULLEY GP
S/N 4MG11880-99999
216 MM (8.5 INCH) DIAMETER PULLEY

9Y-4876 DAMPER & PULLEY GP

9Y-4876 DAMPER & PULLEY GP
SPACER 216MM (8.5 INCH) DIAMETER PULLEY
AN ATTACHMENT

9Y-4877 DAMPER & PULLEY GP

9Y-4877 DAMPER & PULLEY GP
267 MM (10.5 INCH) DIAMETER PULLEY
ALSO AN ATTACHMENT

9Y-4878 DAMPER & PULLEY GP

9Y-4878 DAMPER & PULLEY GP
S/N 4MG11880-99999
SPACER 241 MM (9.5 INCH) DIAMETER PULLEY
ALSO AN ATTACHMENT

9Y-8712 DAMPER & PULLEY GP

9Y-8712 DAMPER & PULLEY GP
S/N 4MG65112-73858

7E-7945 DAMPER GP

7E-7945 DAMPER GP
AN ATTACHMENT

DRIVE GP-ACCESSORY

4W-3123 DRIVE GP-ACCESSORY

4W-3123 DRIVE GP-ACCESSORY
AIR COMPRESSOR

7C-0941 DRIVE GP-ACCESSORY

7C-0941 DRIVE GP-ACCESSORY

8N-9653 DRIVE GP-ACCESSORY

8N-9653 DRIVE GP-ACCESSORY

DRIVE GP-FAN

1W-9047 DRIVE GP-FAN

1W-9047 DRIVE GP-FAN
7.5 INCH DIAMETER PULLEY WITH 4 GROOVES
AN ATTACHMENT

4W-9292 DRIVE GP-FAN

4W-9292 DRIVE GP-FAN
S/N 4MG9771-68201; 4MG83945-94960
FOR NEW SCROLL FUEL SYSTEM

6N-9311 DRIVE GP-FAN

6N-9311 DRIVE GP-FAN
7.5 INCH DIAMETER PULLEY WITH 4 GROOVES
FOR USAGE REFER TO CHART @@@@@ 9L-6669@@@@@
AN ATTACHMENT

7E-3714 DRIVE GP-FAN

7E-3714 DRIVE GP-FAN
PROVIDES 13.44 INCH FAN MOUNTING HEIGHT
FOR USE WITH ATAAC ENGINE WITH 9.5 INCH DIAMETER CRANK PULLEY
AN ATTACHMENT

7W-0628 DRIVE GP-FAN

7W-0628 DRIVE GP-FAN
PROVIDES FAN ADAPTER WITH 2 INCH DIAMETER X .22 INCH LONG PILOT AND, 3.5 INCH DIAMETER BOLT CIRCLE
ALSO AN ATTACHMENT

7W-2860 DRIVE GP-FAN

7W-2860 DRIVE GP-FAN
AN ATTACHMENT

9N-2117 DRIVE GP-FAN

9N-2117 DRIVE GP-FAN
PROVIDES FAN ADAPTER WITH 2 INCH DIA X 1.14 INCH LONG PILOT AND 3.5 INCH DIA BOLT CIRCLE
FOR USE WITH ROTOR TYPE COMPRESSOR
CANNOT BE USED WITH PISTON TYPE COMPRESSOR
FOR USAGE REFER TO CHART @@@@@ 9L-6669@@@@@
AN ATTACHMENT

9N-2349 DRIVE GP-FAN

9N-2349 DRIVE GP-FAN
PROVIDES FAN ADAPTER WITH 2.5 INCH DIA X .79 INCH LONG PILOT WITH 4.5 INCH BOLT DIA CIRCLE
FOR USE WITH ROTOR TYPE COMPRESSOR, ALTERNATOR MOUNTING GPS
CANNOT BE USED WITH PISTON TYPE COMPRESSOR
FOR USAGE REFER TO CHART @@@@@ 9L-6669@@@@@
AN ATTACHMENT

9N-2882 DRIVE GP-FAN

9N-2882 DRIVE GP-FAN
9.625 O.D. PULLEY. PROVIDES AN .88:1 FAN DRIVE RATIO WHEN USED WITH AN 8.50 DIAMETER CRANK PULLEY
FOR USAGE REFER TO CHART @@@@@ 9L-6669@@@@@
AN ATTACHMENT

9N-3723 DRIVE GP-FAN

9N-3723 DRIVE GP-FAN
S/N 4MG9771-99999
7.50 DIAMETER PULLEY
PART OF 4W-9292 DRIVE GP-FAN
FOR USE WITH AN 8.50 DIAMETER CRANK PULLEY
ALSO AN ATTACHMENT

7W-9005 FASTENER GP-FAN DRIVE

7W-9005 FASTENER GP-FAN DRIVE

9L-6669 CHART-FAN BELT

9L-6669 CHART-FAN BELT
AN ATTACHMENT

DRIVE GP-PUMP

1W-7935 DRIVE GP-PUMP

1W-7935 DRIVE GP-PUMP
1:1 DRIVE RATIO WITH COUNTERCLOCKWISE ROTATION. MOUNTS LEFT SIDE FRONT-HYDRAULIC PUMP. BRAKE OIL CIRCULATION
ALSO AN ATTACHMENT

FLYWHEEL GP

6N-9829 ADAPTER GP-FLYWHEEL

6N-9829 ADAPTER GP-FLYWHEEL
CANNOT BE USED WITH BRAKESAVER ENGINE
AN ATTACHMENT

4P-3740 FLYWHEEL GP

4P-3740 FLYWHEEL GP
FOR USE WITH SPICER 15.5 INCH, 7 SPRING CLUTCH
AN ATTACHMENT

4W-7370 FLYWHEEL GP

4W-7370 FLYWHEEL GP
FOR USE WITH A SPICER 10 SPRING DAMPENED DISK CLUTCH
CANNOT BE USED WITH BRAKESAVER ENGINES
AN ATTACHMENT

6N-1299 FLYWHEEL GP

6N-1299 FLYWHEEL GP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING AND BRAKESAVER ENGINES
AN ATTACHMENT

9N-0018 FLYWHEEL GP

9N-0018 FLYWHEEL GP
FOR USE WITH 14 INCH TWO PLATE CLUTCH & SAE NO. 1 FLYWHEEL HOUSING

9N-0676 FLYWHEEL GP

9N-0676 FLYWHEEL GP
FOR USE WITH 15.5 INCH TWO PLATE CLUTCH & SAE NO. 1 FLYWHEEL HOUSING

9N-0678 FLYWHEEL GP

9N-0678 FLYWHEEL GP
FOR USE WITH 14 INCH CLUTCH

9N-2942 FLYWHEEL GP

9N-2942 FLYWHEEL GP
FOR USE WITH 14 INCH CLUTCH
AN ATTACHMENT

GEAR GP

8N-9246 GEAR GP-FRONT

8N-9246 GEAR GP-FRONT

1W-1468 HOUSING GP-FRONT

1W-1468 HOUSING GP-FRONT

9Y-1579 HOUSING GP-FRONT

9Y-1579 HOUSING GP-FRONT

HOUSING GP-FLYWHEEL

9N-3889 COVER GP-FLYWHEEL HOUSING

9N-3889 COVER GP-FLYWHEEL HOUSING
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING
ALSO AN ATTACHMENT

9N-2086 HOUSING GP-FLYWHEEL

9N-2086 HOUSING GP-FLYWHEEL
PERMITS BOTH ZERO DEGREE AND 7.5 DEGREE ENGINE INSTALLATION ANGLES

9N-2184 HOUSING GP-FLYWHEEL

9N-2184 HOUSING GP-FLYWHEEL

9N-3887 HOUSING GP-FLYWHEEL

9N-3887 HOUSING GP-FLYWHEEL

HOUSING GP-FRONT

4W-2434 COVER GP-FRONT HOUSING

4W-2434 COVER GP-FRONT HOUSING

4W-3790 COVER GP-FRONT HOUSING

4W-3790 COVER GP-FRONT HOUSING

4W-5177 COVER GP-FRONT HOUSING

4W-5177 COVER GP-FRONT HOUSING

4W-7185 COVER GP-FRONT HOUSING

4W-7185 COVER GP-FRONT HOUSING

7W-3929 COVER GP-FRONT HOUSING

7W-3929 COVER GP-FRONT HOUSING
S/N 4MG3600-42568; 4MG52360-99999

7W-5469 COVER GP-FRONT HOUSING

7W-5469 COVER GP-FRONT HOUSING
ALSO AN ATTACHMENT

4N-6006 FASTENER GP-FRONT HOUSING

4N-6006 FASTENER GP-FRONT HOUSING

8N-9246 GEAR GP-FRONT

8N-9246 GEAR GP-FRONT

1W-1468 HOUSING GP-FRONT

1W-1468 HOUSING GP-FRONT

9Y-1579 HOUSING GP-FRONT

9Y-1579 HOUSING GP-FRONT

LIFTING GP-ENGINE

9N-0073 LIFTING GP-ENGINE

9N-0073 LIFTING GP-ENGINE

9N-6407 LIFTING GP-ENGINE

9N-6407 LIFTING GP-ENGINE

MOUNTING GP-ALTERNATOR

9N-0449 MOUNTING GP-ALTERNATOR

9N-0449 MOUNTING GP-ALTERNATOR
CANNOT BE USED WITH BELT TIGHTENER OR BELT TIGHTENER FASTENER
ALSO AN ATTACHMENT

9N-0478 MOUNTING GP-ALTERNATOR

9N-0478 MOUNTING GP-ALTERNATOR
2 GROOVE 3.25 INCH(82.55MM) DIAMETER PULLEY FOR 1/2 INCH BELTS
FOR USAGE REFER TO CHART @@@@@ 9L-6669@@@@@
AN ATTACHMENT

9N-3399 MOUNTING GP-ALTERNATOR

9N-3399 MOUNTING GP-ALTERNATOR
CANNOT BE USED WITH BELT TIGHTENER OR BELT TIGHTENER FASTENER

PAN GP-OIL

7C-4029 PAN GP-OIL

7C-4029 PAN GP-OIL -ENGINE

7W-1294 PAN GP-OIL

7W-1294 PAN GP-OIL -ENGINE
S/N 4MG3600-42568; 4MG52360-99999

7W-4460 PAN GP-OIL

7W-4460 PAN GP-OIL -ENGINE
SETBACK
ALSO AN ATTACHMENT

9N-0664 PAN GP-OIL

9N-0664 PAN GP-OIL

9N-3715 PAN GP-OIL

9N-3715 PAN GP-OIL -ENGINE

9Y-5344 PAN GP-OIL

9Y-5344 PAN GP-OIL
S/N 4MG8865-99999

9Y-5590 PAN GP-OIL

9Y-5590 PAN GP-OIL -ENGINE
S/N 4MG15799-99999

PISTON & ROD GP

203-4835 KIT-PISTON

203-4835 KIT-PISTON
15.2:1 COMPRESSION RATIO
FIELD INSTALLATION

7E-1027 PISTON & ROD GP

7E-1027 PISTON & ROD GP
S/N 4MG43578-70271
15.6:1 RATIO

7E-1027 PISTON & ROD GP

7E-1027 PISTON & ROD GP
S/N 4MG70272-99999
15.6:1 RATIO

7E-1028 PISTON & ROD GP

7E-1028 PISTON & ROD GP
S/N 4MG83941-99999
15.6:1 RATIO

7N-3516 PISTON & ROD GP

7N-3516 PISTON & ROD GP
14.5 : 1 RATIO

7W-3800 PISTON & ROD GP

7W-3800 PISTON & ROD GP
15.6:1 RATIO

9Y-1914 PISTON & ROD GP

9Y-1914 PISTON & ROD GP
15.2:1 RATIO

9Y-4704 PISTON & ROD GP

9Y-4704 PISTON & ROD GP
S/N 4MG3600-9624

9Y-8707 PISTON & ROD GP

9Y-8707 PISTON & ROD GP
S/N 4MG65112-73858
15.2:1 RATIO

9Y-9498 PISTON & ROD GP

9Y-9498 PISTON & ROD GP
S/N 4MG50095-99999
15.2:1 RATIO

1W-9373 PISTON GP

1W-9373 PISTON GP
PART OF 7N-3516 PISTON & ROD GP

2W-9053 PISTON GP

2W-9053 PISTON GP
PART OF 7W-3800 PISTON & ROD GP

7C-4473 PISTON GP

7C-4473 PISTON GP
S/N 4MG3600-9624
PART OF 9Y-4704 PISTON & ROD GP

7E-0538 PISTON GP

7E-0538 PISTON GP
S/N 4MG43578-70271
PART OF 7E-1027 PISTON & ROD GP

9Y-1915 PISTON GP

9Y-1915 PISTON GP
PART OF 9Y-1914, 9Y-8707, 9Y-9498 PISTON & ROD GP

7C-8937 RING GP-PISTON

7C-8937 RING GP-PISTON
REPLACEMENT
FIELD INSTALLATION

PULLEY GP

1W-4787 DAMPER & PULLEY GP

1W-4787 DAMPER & PULLEY GP
S/N 4MG3600-4052

4P-4293 DAMPER & PULLEY GP

4P-4293 DAMPER & PULLEY GP
S/N 4MG96164-96164
9.5 INCH DIAMETER

7E-2559 DAMPER & PULLEY GP

7E-2559 DAMPER & PULLEY GP
S/N 4MG52360-99999
SPACER
FOR USE WITH 350 HP ENGINES & BELOW
ALSO AN ATTACHMENT

7E-2559 DAMPER & PULLEY GP

7E-2559 DAMPER & PULLEY GP
SPACER
FOR USE WITH 350 HP ENGINES & BELOW

7E-2560 DAMPER & PULLEY GP

7E-2560 DAMPER & PULLEY GP
S/N 4MG52360-99999
SPACER
FOR USE WITH 400 & 425 HP ENGINES
ALSO AN ATTACHMENT

7W-2745 DAMPER & PULLEY GP

7W-2745 DAMPER & PULLEY GP
SPACER

9N-0945 DAMPER & PULLEY GP

9N-0945 DAMPER & PULLEY GP
7.5 INCH DIAMETER PULLEY
FOR USE WITH 350 HP ENGINE AND BELOW
ALSO AN ATTACHMENT

9N-1375 DAMPER & PULLEY GP

9N-1375 DAMPER & PULLEY GP

9N-2283 DAMPER & PULLEY GP

9N-2283 DAMPER & PULLEY GP
10.5 INCH DIAMETER PULLEY
FOR USE WITH 350 HP ENG AND BELOW
ALSO AN ATTACHMENT

9Y-4874 DAMPER & PULLEY GP

9Y-4874 DAMPER & PULLEY GP
191 MM (7.5 INCH) DIAMETER PULLEY
ALSO AN ATTACHMENT

9Y-4875 DAMPER & PULLEY GP

9Y-4875 DAMPER & PULLEY GP
S/N 4MG11880-99999
216 MM (8.5 INCH) DIAMETER PULLEY

9Y-4876 DAMPER & PULLEY GP

9Y-4876 DAMPER & PULLEY GP
SPACER 216MM (8.5 INCH) DIAMETER PULLEY
AN ATTACHMENT

9Y-4877 DAMPER & PULLEY GP

9Y-4877 DAMPER & PULLEY GP
267 MM (10.5 INCH) DIAMETER PULLEY
ALSO AN ATTACHMENT

9Y-4878 DAMPER & PULLEY GP

9Y-4878 DAMPER & PULLEY GP
S/N 4MG11880-99999
SPACER 241 MM (9.5 INCH) DIAMETER PULLEY
ALSO AN ATTACHMENT

9Y-8712 DAMPER & PULLEY GP

9Y-8712 DAMPER & PULLEY GP
S/N 4MG65112-73858

SUPPRESSION GP-SOUND

1W-2415 PANEL GP-SOUND SUPPRESSION

1W-2415 PANEL GP-SOUND SUPPRESSION
RH
ALSO AN ATTACHMENT

2W-0404 PANEL GP-SOUND SUPPRESSION

2W-0404 PANEL GP-SOUND SUPPRESSION
LH
ALSO AN ATTACHMENT

7W-8832 PANEL GP-SOUND SUPPRESSION

7W-8832 PANEL GP-SOUND SUPPRESSION
CANNOT BE USED WITH @@@@@ 9N-3715@@@@@, OIL PAN OR BRAKESAVER ENGINES
ALSO AN ATTACHMENT

9N-2243 PANEL GP-SOUND SUPPRESSION

9N-2243 PANEL GP-SOUND SUPPRESSION -ENGINE
SOUND SUPPRESSION-SUMP SECTION
FOR USE WITH BRAKESAVER REAR SUMP
ALSO AN ATTACHMENT

9N-2579 PANEL GP-SOUND SUPPRESSION

9N-2579 PANEL GP-SOUND SUPPRESSION -ENGINE
SOUND SUPPRESSION-SHALLOW SECTION
FOR USE WITH BRAKESAVER-REAR SUMP
ALSO AN ATTACHMENT

9N-5874 PANEL GP-SOUND SUPPRESSION

9N-5874 PANEL GP-SOUND SUPPRESSION
OIL PAN SOUND SUPPRESSION
CANNOT BE USED WITH BRAKESAVER
ALSO AN ATTACHMENT

9Y-5297 PANEL GP-SOUND SUPPRESSION

9Y-5297 PANEL GP-SOUND SUPPRESSION
S/N 4MG8865-99999
FOR USE WITH STANDARD OIL PAN WITH SOUND PLATE
ALSO AN ATTACHMENT

SERPENTINE/V-BELTS

4P-1667 V-BELT SET

4P-1667 V-BELT SET
1524 MM (60 IN) LG
AN ATTACHMENT

7N-3949 V-BELT SET

7N-3949 V-BELT SET
1359MM (53.5IN) LG
AN ATTACHMENT

9L-6644 V-BELT SET

9L-6644 V-BELT SET
1549 MM (60 INCH) LONG
FOR USAGE REFER TO CHART @@@@@ 9L-6669@@@@@
AN ATTACHMENT

9L-6669 CHART-FAN BELT

9L-6669 CHART-FAN BELT
AN ATTACHMENT

VALVE MECHANISM GP

4N-2272 COVER GP-VALVE MECHANISM

4N-2272 COVER GP-VALVE MECHANISM
S/N 4MG3600-67689

4N-2272 COVER GP-VALVE MECHANISM

4N-2272 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999

7C-0036 COVER GP-VALVE MECHANISM

7C-0036 COVER GP-VALVE MECHANISM
S/N 4MG43578-67689
OIL FILL IN THIRD POSITION
FOR USE WITH JAKE BRAKE
ALSO AN ATTACHMENT

7C-0036 COVER GP-VALVE MECHANISM

7C-0036 COVER GP-VALVE MECHANISM
S/N 4MG67690-70348; 4MG83945-99999
OIL FILL IN THIRD POSITION
FOR USE WITH JAKE BRAKE
ALSO AN ATTACHMENT

7C-0730 COVER GP-VALVE MECHANISM

7C-0730 COVER GP-VALVE MECHANISM
S/N 4MG3600-67689

7C-0730 COVER GP-VALVE MECHANISM

7C-0730 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999

7E-1532 COVER GP-VALVE MECHANISM

7E-1532 COVER GP-VALVE MECHANISM
S/N 4MG43578-67689
OIL FILL IN SECOND POSITION
FOR USE WITH JAKE BRAKE

7E-1532 COVER GP-VALVE MECHANISM

7E-1532 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999
OIL FILL IN SECOND POSITION
FOR USE WITH JAKE BRAKE

7E-1672 COVER GP-VALVE MECHANISM

7E-1672 COVER GP-VALVE MECHANISM
S/N 4MG43578-67689
OIL FILL IN FIRST AND THIRD POSITION
FOR USE WITH JAKE BRAKE

7E-1672 COVER GP-VALVE MECHANISM

7E-1672 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999
OIL FILL IN FIRST AND THIRD POSITION
FOR USE WITH JAKE BRAKE

7E-9241 COVER GP-VALVE MECHANISM

7E-9241 COVER GP-VALVE MECHANISM
S/N 4MG76576-99999
FOR USE WITH JAKE BRAKE

7N-4467 COVER GP-VALVE MECHANISM

7N-4467 COVER GP-VALVE MECHANISM
S/N 4MG3600-67689

7N-4467 COVER GP-VALVE MECHANISM

7N-4467 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999

9N-2093 COVER GP-VALVE MECHANISM

9N-2093 COVER GP-VALVE MECHANISM
S/N 4MG3600-67689
OIL FILL IN FIRST AND THIRD POSITION
CANNOT BE USED WITH JAKE BRAKE OR PACBRAKE

9N-2093 COVER GP-VALVE MECHANISM

9N-2093 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999
OIL FILL IN FIRST AND THIRD POSITION
CANNOT BE USED WITH JAKE BRAKE OR PACBRAKE

9N-3618 COVER GP-VALVE MECHANISM

9N-3618 COVER GP-VALVE MECHANISM
FOR USE WITH REAR EXHAUST TURBO

9N-3646 COVER GP-VALVE MECHANISM

9N-3646 COVER GP-VALVE MECHANISM
S/N 4MG3600-67689
CANNOT BE USED WITH JAKE BRAKE OR PACBRAKE

9N-3646 COVER GP-VALVE MECHANISM

9N-3646 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999
CANNOT BE USED WITH JAKE BRAKE OR PACBRAKE

9Y-1664 COVER GP-VALVE MECHANISM

9Y-1664 COVER GP-VALVE MECHANISM
S/N 4MG3600-67689
NO OIL FILL
FOR USE WITH JAKE BRAKE

9Y-1664 COVER GP-VALVE MECHANISM

9Y-1664 COVER GP-VALVE MECHANISM
S/N 4MG67690-99999
NO OIL FILL
FOR USE WITH JAKE BRAKE

9Y-5294 COVER GP-VALVE MECHANISM

9Y-5294 COVER GP-VALVE MECHANISM
S/N 4MG10438-99999
OIL FILL IN THIRD POSITION
FOR USE WITH JAKE BRAKE

9Y-7754 COVER GP-VALVE MECHANISM

9Y-7754 COVER GP-VALVE MECHANISM
S/N 4MG21910-67689
NO OIL FILL
FOR USE WITH JAKE BRAKE

9Y-7754 COVER GP-VALVE MECHANISM

9Y-7754 COVER GP-VALVE MECHANISM
S/N 4MG67690-77081; 4MG83945-99999
NO OIL FILL
FOR USE WITH JAKE BRAKE

9Y-8206 COVER GP-VALVE MECHANISM

9Y-8206 COVER GP-VALVE MECHANISM
S/N 4MG24145-67689
NO OIL FILL
CANNOT BE USED WITH JAKE BRAKE OR PACBRAKE

9Y-8206 COVER GP-VALVE MECHANISM

9Y-8206 COVER GP-VALVE MECHANISM
S/N 4MG67690-77340; 4MG83945-99999
NO OIL FILL
CANNOT BE USED WITH JAKE BRAKE OR PACBRAKE

4N-1045 ROCKER ARM GP

4N-1045 ROCKER ARM GP
PART OF 4W-2461 VALVE MECHANISM GP

7C-0032 ROCKER ARM GP

7C-0032 ROCKER ARM GP
PART OF 7C-0050 VALVE MECHANISM GP
ALSO AN ATTACHMENT

4W-2461 VALVE MECHANISM GP

4W-2461 VALVE MECHANISM GP -ENGINE

7C-0050 VALVE MECHANISM GP

7C-0050 VALVE MECHANISM GP -ENGINE
ALSO AN ATTACHMENT

HOUSING GP-REAR

425-0625 KIT-REAR COVER GASKET

425-0625 KIT-REAR COVER GASKET
CONTAINS GASKETS, SEALS, & BENDABLE LOCKS TO REINSTALL THE REAR COVER. THIS KIT DOES NOT INCLUDE THE OIL PAN GASKET
FIELD REPLACEMENT FOR 232-6574 KIT-GASKET
FIELD INSTALLATION

COVER GP-ENGINE

425-7770 KIT-FRONT COVER GASKET

425-7770 KIT-FRONT COVER GASKET
CONTAINS GASKETS, SEALS, & BENDABLE LOCKS TO REINSTALL THE FRONT COVER. THIS KIT DOES NOT INCLUDE THE OIL PAN GASKET
FIELD INSTALLATION

ENGINE OVERHAUL KIT

491-1916 KIT-ENGINE OVERHAUL

491-1916 KIT-ENGINE OVERHAUL
OIL COOLER AND LINES GASKET KIT
FIELD INSTALLATION

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