Used Caterpillar 3406B Engines For Sale in United States

1989 Caterpillar 3406B Diesel Engine Assembly

$10,500 USD

GOOD USED 1989 CATERPILLAR 3406B DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!! , 1989 , CATERPILLAR , 3406B MECHANICAL ENGINE , S/N 4MG55813 , 350HP ,...

Condition	Used
Part Number	4MG
Stock Number	S235EN
MLS Number	13227859
Category	Engines
Last Updated	12/29/2024
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

1996 Caterpillar 3406B Engine

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USED 1.996 CATERPILLAR 3406B ENGINE WITH AFTERCOOLER ON TOP, WATERJACKET,400HP, ESN:7FB32502, COMPLETE, INSPECTED AND TESTED RUNNING GOOD, ALSO MANY CATERPILLAR ENGINES IN STOCK

Condition	Used
Stock Number	7346-1113242
MLS Number	13227041
Category	Engines
Last Updated	11/13/2024
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1989 Caterpillar 3406B Engine Mechanical 425HP 4MG

$12,500 USD

GOOD USED 1989 CATERPILLAR 3406B MECHANICAL DIESEL ENGINE ASSEMBLY , 1989 , CATERPILLAR , 3406B , MECHANICAL , 425HP , TESTED, INSPECTED, RUN TEST...

Condition	Used
Stock Number	S7447EN
MLS Number	13061880
Category	Engines
Last Updated	12/9/2024
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(844) 329-___ SHOW
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Caterpillar 3406B Turbo Diesel Engine

$7,500 USD

CATERPILLAR 3406B Turbo Diesel Engine; Good Running Takeout w/ JAKES!!!Engine was tested, runs good, no blow by. Complete engine. Listing is for engine, not frame and radiator. Call or...

Condition	Used
Horse Power	170 HP
Stock Number	3441
MLS Number	13007693
Category	Engines
Last Updated	7/25/2024
Location	Springville, PA, US
Sold By	Summit Core Supply

1989 Caterpillar 3406B Engine

$12,500 USD

(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1989 Caterpillar 3406B Diesel Engine with Jakes (AIR TO AIR)(Mechanical Fuel Pump), Serial # 8TC09682, AR # 9Y6238, 425HP @ 2100RPM, 14.6L, TEST RUN...

Condition	Used
Part Number	CAT 3406B
Stock Number	006146
MLS Number	12954053
Category	Engines
Last Updated	6/25/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(844) 402-___ SHOW
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Caterpillar 3406B Engine for a 2001 Peterbilt 378

$13,749.98 USD

(Used) 2000 Caterpillar 3406B, ENGINE ASSEMBLY- Displacement: 14.6, Horsepower: 425, Serial Number: 4MG26361, Reference images for condition For more information about this item, give us a...

Condition	Used
Horse Power	425 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	P-82249
MLS Number	12931144
Category	Engines
Last Updated	12/25/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1992 Caterpillar 3406B Engine

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USED 1.992 CATERPILLAR 3406B MANUAL INJECCION PUMP, AFTERCOOLER ON TOP, 400HP, ESN:7FB09837, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	6952-0531242
MLS Number	12905353
Category	Engines
Last Updated	5/31/2024
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1995 Caterpillar 3406B Engine

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USED 1.995 CATERPILLAR 3406B ENGINE, AFTERCOOLER ON TOP, 400HP, JAKE BRAKE, MANUAL INJECCION PUMP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	6944-0529242
MLS Number	12901212
Category	Engines
Last Updated	5/30/2024
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

Caterpillar 3406B Diesel Engine Assembly Mechanical

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Used 1989 Caterpillar 3406B Diesel Engine Assembly, for Sale, with Warranty!!! S/N 4MG 400HP Jake Brake Tested, Inspected, Run Tested 5/10/24. RUNS PERFECT! CALL...

Warranty

Condition	Used
Horse Power	400 HP
Part Number	3406B
Stock Number	S3230EN
MLS Number	12884105
Category	Engines
Last Updated	12/9/2024
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

1993 Caterpillar 3406B Engine

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USED 1.993 CATERPILLAR 3406B ENGINE, AFTERCOOLER ON TOP, 400HP, ESN:7FB32768, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY CATERPILLAR ENGINES IN STOCK

Condition	Used
Stock Number	6942-0517243
MLS Number	12877705
Category	Engines
Last Updated	5/17/2024
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1995 Caterpillar 3406B Engine

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USED 1.995 CATERPILLAR 3406B MECHANICAL FUEL PUMP, 425HP, JAKE BRAKE, AFTERCOOLER ON TOP, ESN:7FB87969, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	6940-0517241
MLS Number	12877640
Category	Engines
Last Updated	5/17/2024
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1990 Caterpillar 3406B Engine

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USED 1.990 CATERPILLAR 3406B AIR TO AIR ENGINE, 425HP, JAKE BRAKE, ESN:4MG87221, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	6935-0516242
MLS Number	12874788
Category	Engines
Last Updated	5/16/2024
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1989 Caterpillar 3406B Engine

$12,000 USD

(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1989 Caterpillar 3406B Diesel Engine (Water After-Cooled)(Mechanical Fuel Pump), Serial # 4MG06593, AR # 9Y6248, 400HP, 14.6L, TEST RUN WATCH VIDEO...

Condition	Used
Stock Number	005980
MLS Number	12591819
Category	Engines
Last Updated	4/29/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(833) 662-___ SHOW
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Caterpillar 3406B Turbo Diesel Engine INDUSTRIAL POWER UNIT! VIDEO! 325 HP CAT

$12,795 USD

Old Forge Power Equipment, Inc. Equipment Division Description: Nice running power unit, complete as pictured. COMES WITH PUMP DRIVE BUT ONE PUMP HAS BEEN SOLD. WE CAN REMOVE THIS SETUP IF...

Condition	Used
Stock Number	15059
MLS Number	12529046
Category	Engines
Last Updated	1/12/2024
Location	Carbondale, PA, US
Sold By	Old Forge Power Equipment, Inc

1989 Caterpillar 3406B Engine

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Good Used 1989 Mechanical Caterpillar 3406B Engine Assembly, 425HP, Engine has been tested and inspected, strong runner!!! Test run 12/8/22. ON SITE, IN STOCK and READY TO SHIP!!! For more...

Condition	Used
Stock Number	S0319EN
MLS Number	11768535
Category	Engines
Last Updated	12/6/2024
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(833) 541-___ SHOW
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Caterpillar 3406B Engine for a 1988 Freightliner FC60

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CORE ENGINE ASSEMBLY, Ok for parts. Injection pump Turbo, Engine,, Serial#: CAT, Horse Power: 425, Casting#: CAT

Condition	Used
Horse Power	425 HP
Fits To Make(s)	Freightliner
Fits To Model(s)	FC60
Will Fit Year(s)	1988
Part Number	3406B
Stock Number	80922-1
MLS Number	11600483
Category	Engines
Last Updated	2/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

1996 Caterpillar 3406B Engine

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USED 1.996 CATERPILLAR 3406B ENGINE, 425HP, AIR TO AIR, JAKE BRAKE, S/N:4MG31567, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY IN STOCK

Condition	Used
Stock Number	6361-1109235
MLS Number	12434375
Category	Engines
Last Updated	11/17/2023
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

(855) 980-___ SHOW
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Caterpillar 3406B Engine for a 1990 International 9400

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GOOD ENGINE HAS BLOW BY LAST RAN 10/20/23, Serial#: 4MG92986, Horse Power: 425

Condition	Used
Horse Power	425 HP
Fits To Make(s)	International
Fits To Model(s)	9400
Will Fit Year(s)	1990
Stock Number	045953-1
MLS Number	12395697
Category	Engines
Last Updated	2/28/2024
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

1995 Caterpillar 3406B Engine

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USED 1.995 CATERPILLAR 3406B ENGINE, 425HP, JAKE BRAKE, S/N:3ZJ08046, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY IN STOCK

Condition	Used
Stock Number	6279-1004231
MLS Number	12358213
Category	Engines
Last Updated	10/4/2023
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

1993 Caterpillar 3406B Engine

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USED 3406B CATERPILLAR ENGINE, 400HP,AFTER COOLER, 1.993, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK.

Condition	Used
Horse Power	400 HP
Stock Number	2198-0403208
MLS Number	10157042
Category	Engines
Last Updated	8/21/2023
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

(833) 909-___ SHOW
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1986 Caterpillar 3406B Engine

$5,950 USD

good runner, transmission is separate,

Condition	Used
Stock Number	T6971ASY
MLS Number	12131451
Category	Engines
Last Updated	12/3/2023
Location	Pittston, PA, US
Sold By	Big Iron Equipment LLC

1989 Caterpillar 3406B Engine

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(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1989 Caterpillar 3406B Diesel Engine (AIR TO AIR) (Mechanical Fuel Pump), Serial # 4MG53074, AR # 9Y2556, 425HP @ 2100RPM, TEST RUN WATCH VIDEO ON JJ...

Condition	Used
Part Number	AR # 9Y2556
Stock Number	005674
MLS Number	11755980
Category	Engines
Last Updated	6/13/2023
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

1985 Caterpillar 3406B Engine

$11,000 USD

(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1986 Caterpillar 3406B Diesel Engine (Water After-Cooled)(Mechanical Fuel Pump), Serial # 7FB19511, AR # 4W3771, 400HP, 14.6L, TEST RUN WATCH VIDEO...

Condition	Used
Stock Number	005632
MLS Number	11909796
Category	Engines
Last Updated	2/28/2023
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(305) 688-___ SHOW
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1990 Caterpillar 3406B Engine With Jake Brakes 425HP

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(GOOD USED) 1990 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, 425HP @ 2000RPM, MECHANICAL FUEL PUMP, AR# 7E2044, 14.6L Displacement, 6 Cylinders, Engine Serial# 4MG88678,...

Condition	Used
CPL/ARR	7E2044
Horse Power	425 HP
Part Number	CAT3406B
Stock Number	2373
MLS Number	10479755
Category	Engines
Last Updated	2/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.