Caterpillar 3406B Engines with 400-449 HP For Sale

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1988 Caterpillar 3406B Diesel Engine Mechanical Fuel Pump 4MG 14.6L Fam JCT0893FPB2 Runs Great

$8,999.99 USD

(RUNS PERFECT) FITS TO 1988 Caterpillar 3406B MECHANICAL FUEL PUMP, Diesel Engine,RUNS GREAT, ENGINE SERIAL NO.4MG12433, Family# JCT0893FPB2, AR# 9Y2413, OEM# 39X39A04PS1, Perf Spec#...

Condition	Used
CPL/ARR	Cat 3406B Diesel Engine 4MG
Assembly Number	Cat 3406 Diesel Engine 4MG
Horse Power	400 HP
Engine Model	3406B
Fits To Equipment	Caterpillar 3406B Diesel Engine
Fits To Make(s)	Caterpillar
Fits To Model(s)	3406B Mechanical Diesel Engine For Sale
Will Fit Year(s)	1988
Capacity	14.6L
Part Number	Caterpillar 3406B Mechanical Diesel Engine AR# 9Y2413 14.6L Jake Brakes
Stock Number	217574-12
MLS Number	9369434
Category	Engines
Last Updated	11/10/2025
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

(844) 385-___ SHOW
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8 1

1988 Caterpillar 3406B Engine

$17,500 USD

(FRESH REBUILD) 1988 Caterpillar 3406B Diesel Engine with Jakes (AIR TO AIR)(Mechanical Fuel Pump), Serial # 4MG44042, AR # 9Y7540, 425HP @ 2100RPM, 14.6L, TEST RUN WATCH VIDEO ON JJ...

Condition	Remanufactured
CPL/ARR	9Y7540
Horse Power	425 HP
Part Number	AR # 9Y7540
Stock Number	006633
MLS Number	13842079
Category	Engines
Last Updated	10/26/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

13 1

Caterpillar 3406B Engine with Jake Brakes, 425HP

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(GOOD USED TEST RUN INTERNALLY INSPECTED) Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, 425HP, Serial# 7FB82727 OVER 500 ENGINES IN STOCK! READY TO SHIP! WATCH TEST RUN VIDEO...

Warranty

Condition	Used
Horse Power	425 HP
Part Number	3406B
Stock Number	6018
MLS Number	12368579
Category	Engines
Last Updated	6/25/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

16 1

1987 Caterpillar 3406B Engine with JAKE BRAKES, 425HP (AIR TO AIR)

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(GOOD USED TEST RUN INTERNALLY INSPECTED) 1987 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, (AIR TO AIR) MECHANICAL FUEL PUMP, 3406B, AR# 7C0745, 425HP @ 2100RPM, Engine...

Warranty

Condition	Used
CPL/ARR	7C0745
Horse Power	425 HP
Stock Number	7798
MLS Number	13019175
Category	Engines
Last Updated	6/25/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

16 1

1989 Caterpillar 3406B Engine with JAKE BRAKES, 425HP

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(GOOD USED TEST RUN INTERNALLY INSPECTED) 1989 Caterpillar 3406 Diesel Engine with JAKE Brakes, 425HP @ 2100RPM, MECHANICAL FUEL PUMP, 3406B, 14.6L, 6 Cylinders, Turbocharged, Serial #...

Warranty

Condition	Used
Horse Power	425 HP
Part Number	3406B
Stock Number	7624
MLS Number	13186056
Category	Engines
Last Updated	6/25/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

(844) 938-___ SHOW
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5 0

1991 Caterpillar 3406B Engine & 3406C

$17,000 USD

GOOD RUNNING ENGINE, CORE EXCHANGE NEEDED Dismantled From: FREIGHTLINER

Warranty

Condition	Used
Horse Power	425 HP
Stock Number	1505
MLS Number	12102171
Category	Engines
Last Updated	6/25/2025
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

(844) 385-___ SHOW
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7 1

1985 Caterpillar 3406B Engine

$15,000 USD

(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1985 Caterpillar 3406B Diesel Engine with Jake Brakes (Water After-Cooled)(Mechanical Fuel Pump), Serial # 7FB41570, AR # 4W7645, 400HP, 14.6L, TEST...

Condition	Used
CPL/ARR	4W7645
Horse Power	400 HP
Part Number	AR # 4W7645
Stock Number	006503
MLS Number	13628226
Category	Engines
Last Updated	7/8/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(833) 541-___ SHOW
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2 0

Caterpillar 3406B Engine for a 1990 Ford LTL9000

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CORE ENGINE ASSEMBLY/ CRACKED HEAD/, Serial#: 4MG70146, Horse Power: 425

Condition	Used
Horse Power	425 HP
Fits To Make(s)	Ford
Fits To Model(s)	LTL9000
Will Fit Year(s)	1990
Part Number	4MG
Stock Number	40925-6
MLS Number	13517098
Category	Engines
Last Updated	4/15/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 396-___ SHOW
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8 1

1991 Caterpillar 3406B Diesel Engine Assembly Mechanical

$12,500 USD

GOOD USED CATERPILLAR 3406 B DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!! , 1991 , CATERPILLAR , 3406B , MECHANICAL ENGINE , S/N 3ZJ07249 , 425HP ...

Warranty

Condition	Used
Horse Power	425 HP
Stock Number	S236EN
MLS Number	13237833
Category	Engines
Last Updated	2/27/2025
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(844) 402-___ SHOW
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9 0

Caterpillar 3406B Engine for a 1989 Kenworth W900

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(Used) 1989 Caterpillar 3406B, ENGINE ASSEMBLY- Family Number: KCT0893FPB1, Displacement: 14.6L, Horsepower: 425, Ar.No./CPL: 7E1807, ESN: 4MG49286, Part Number: 3406B, E.C.S: EM, DI, SPL,...

Condition	Used
CPL/ARR	7E1807
Horse Power	425 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	1989
Part Number	3406B
Stock Number	P-90684
MLS Number	13196164
Category	Engines
Last Updated	11/11/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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10 1

1996 Caterpillar 3406B Engine

$13,000 USD

(OEM REMAN/ RUN TESTED/ FULLY INSPECTED) 1996 Caterpillar 3406B Diesel Engine (Water After-Cooled)(Mechanical Fuel Pump), OEM REMAN Serial # 7XC03946, OEM REMAN AR # 0R1284, Reference S/N:...

Condition	Remanufactured
Usage	125,631 Miles
CPL/ARR	0R1284
Horse Power	400 HP
Part Number	AR # 0R1284
Stock Number	006189
MLS Number	13021099
Category	Engines
Last Updated	9/3/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(844) 402-___ SHOW
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7 0

Caterpillar 3406B Engine for a 2001 Peterbilt 378

$13,995 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	7/1/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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6 0

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.

(833) 541-___ SHOW
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2 0

Caterpillar 3406B Engine for a 1988 Freightliner FC60

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CORE ENGINE ASSEMBLY, Ok for parts. Injection pump Turbo, Jakes,, 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	12/18/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(855) 980-___ SHOW
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3 1

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

(833) 734-___ SHOW
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6 1

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

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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.

9 0

1990 Caterpillar 3406B Engine With Jake Brakes 425HP

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(GOOD USED) 1990 Caterpillar 3406B Diesel Engine For Sale, 425HP @ 2000RPM, MECHANICAL FUEL PUMP, AR# 7E2044, 14.6L Displacement, 6 Cylinders, Engine Serial# 4MG88679, Stock# 2362 WATCH...

Condition	Used
CPL/ARR	7E2044
Horse Power	425 HP
Part Number	3406B
Stock Number	2362
MLS Number	10478741
Category	Engines
Last Updated	2/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

8 0

1987 Caterpillar 3406B Engine with Jake Brakes, MECHANICAL

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(GOOD USED) 1987 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, 425HP @ 2000RPM, MECHANICAL FUEL PUMP, 14.6L Displacement, 6 Cylinders, AR# 7C7804, Engine Serial# 7FB95520,...

Condition	Used
CPL/ARR	7C7804
Horse Power	425 HP
Fits To Model(s)	3406B
Stock Number	2246
MLS Number	10233476
Category	Engines
Last Updated	2/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

8 0

1993 Caterpillar 3406B Diesel Engine

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(GOOD USED) 1993 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, 425HP @ 1800RPM, Ar# 100-7005, 6 Cylinder Inline Turbocharged, 14.6L Displacement, Engine Serial # 4CK23532, Stock...

Condition	Used
CPL/ARR	100-7005
Horse Power	425 HP
Fits To Model(s)	3406B
Part Number	Ar# 100-7005
Stock Number	2045
MLS Number	10061765
Category	Engines
Last Updated	2/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

9 0

1987 Caterpillar 3406B Diesel Engine w/ Jake Brakes

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(GOOD USED) 1987 Caterpillar 3406B Diesel Engine with Jakes Brakes For Sale, MECHANICAL Fuel Pump, 425HP @ 2100 RPM Rated, AR# 7C0177, 14.6L Displacement, Engine Serial# 4MG01718, Stock#...

Condition	Used
CPL/ARR	7C0177
Horse Power	425 HP
Part Number	7C0177
Stock Number	1877
MLS Number	9950266
Category	Engines
Last Updated	2/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

9 0

1984 Caterpillar 3406B Diesel Engine with Jake Brakes, AR # 4W3713

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(GOOD USED) 1984 Caterpillar 3406B Diesel Engine with Jakes Brakes For Sale, Mechanical Fuel Pump (WATERCOOLED), Rated 400HP @ 2100 RPM, AR# 4W3713, 14.6L, Engine Serial # 7FB07976, Stock #...

Condition	Used
CPL/ARR	4W3713
Horse Power	400 HP
Stock Number	1659
MLS Number	9824359
Category	Engines
Last Updated	2/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

11 1

1991 Caterpillar 3406 Diesel Engine 425HP (MECHANICAL) 14.6L

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(GOOD USED) 1991 Caterpillar 3406B Diesel Engine with Jake Brakes, 14.6L, 425HP @ 2000 RPM, MECHANICAL INJECTION PUMP, AR # 4P1222 (SHIPPED OUT FROM CAT 1999) Engine Serial # 3ZJ07517, Stock...

Condition	Used
CPL/ARR	4P1222
Horse Power	425 HP
Part Number	3406B MECHANICAL
Stock Number	1420
MLS Number	9625465
Category	Engines
Last Updated	2/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

10 1

1987 Caterpillar 3406B Engine

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(GOOD USED) 1987 Caterpillar 3406B Diesel Engine with Jake Brakes (AIR TO AIR) Mechanical Fuel Pump, AR # 7C0745, 425HP @ 2100RPM, 14.6L,6 Cylinders, Turbocharged, Serial # 4MG19790, Stock...

Warranty

Condition	Used
CPL/ARR	7C0745
Horse Power	425 HP
Part Number	3406B
Stock Number	3940
MLS Number	11864991
Category	Engines
Last Updated	3/9/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.