Caterpillar 3406 Engines For Sale

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Featured Item

Low Miles 1988 Caterpillar 3406B Diesel Engine Mechanical Fuel Pump 4MG 14.6L Ford Truck

$8,999.99 USD

(RUNS PERFECT) FITS TO 1988 Caterpillar 3406B MECHANICAL FUEL PUMP, Diesel Engine,RUNS GREAT, 400 HP@ 2100 rpm, LOW MILES, THE ENGINE RUNS PERFECT, CALL FOR MORE INFORMATION AND PARTS STOCK#...

Condition	Used
CPL/ARR	Cat 3406B Diesel Engine
Assembly Number	Cat 3406 Diesel Engine
Engine Model	3406B
Fits To Equipment	Caterpillar 3406B Diesel Engine
Fits To Make(s)	Caterpillar
Fits To Model(s)	3406B Mechanical Diesel Engine
Will Fit Year(s)	1988
Capacity	14.6L
Part Number	Caterpillar 3406B Mechanical Diesel Engine AR# 9Y2413 14.6L Jake Brakes
Stock Number	218879
MLS Number	13870820
Category	Engines
Last Updated	5/15/2026
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

(844) 402-___ SHOW
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Caterpillar 3406 Engine for a 2000 Sterling L9500

$16,295.98 USD

(Used) 1999 Caterpillar 3406, ENGINE ASSEMBLY- Family Number: XCPXH0893ERK, Displacement: 14.6L, Horsepower: 450, Ar.No./CPL: 174-2307, Serial Number: 2WS19158, Part Number: C01-00004-065, E...

Condition	Used
CPL/ARR	174-2307
Horse Power	450 HP
Fits To Make(s)	Sterling
Fits To Model(s)	L9500
Will Fit Year(s)	2000
Part Number	C01-00004-065
Stock Number	P-97423
MLS Number	13423187
Category	Engines
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 938-___ SHOW
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Featured Item

USED CAT 3406E Engine 550HP | Serial 2WS | 1999-2000 | Heavy Duty Diesel Motor TESTED, WARRANTY

$22,780 USD

Caterpillar CAT 3406E Diesel Engine for Sale – 550HP, We are offering aCAT 3406E enginein good used condition, a reliable and powerful option for heavy-duty truck applications....

Warranty

Condition	Used
Horse Power	550 HP
Will Fit Year(s)	1999-2000
Stock Number	2184
MLS Number	14321708
Category	Engines
Last Updated	4/20/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

(844) 562-___ SHOW
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Featured Item

Caterpillar 3406C LB Engine

$15,800 USD

New Reman Long Block is 3/4 Engine and includes: - Block, - Cylinder Head, - Camshaft, - Followers/Lifters, - Pistons, - Liners, - Rings, - Connecting Rods, - Intermediate...

Warranty

Condition	Remanufactured
Fits To Model(s)	TRACK-TYPE TRACTOR D8R WHEEL TRACTOR-SCRAPER 621F, 623E, 623F, 623B, 627F, 621E, 621B, 627E WHEEL-TYPE LOADER 980G EARTHMOVING COMPACTOR 825G, 826G
Stock Number	2736
MLS Number	9540769
Category	Engines
Last Updated	4/24/2026
Location	Parker, CO, US
Sold By	Capital Reman

Caterpillar 3406E Engine for a 2005 Peterbilt 379

Recently Updated

$24,995 USD

CAT 3406E 5EK 40PIN CONNECTOR, RUNS GOOD, NO BLOWBY, NEW CAT REBUILD WAS SWAPPED INTO TRUCK, PRICE IS FULL CONVERSION WITH HARNESS AND MOUNTS AND CHARGE AIR COOLER TUBES. UNSURE OF MILES....

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2005
Stock Number	40626-5
MLS Number	14307817
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a 1994 Peterbilt 379

Recently Updated

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CAT 3406E 550HP ESN#5EK08766. PENDING INSPECTION, RUNS GOOD, WILL CHECK BEARINGS, 180 DAY WARRANTY ON HEAD, BLOCK AND CRANK.APROX 250K ON REBUILD, GETTING PAPERWORK, Serial#: 5EK08766,...

Condition	Used
Horse Power	550 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	1994
Stock Number	21426-4
MLS Number	14166704
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a Kenworth

Recently Updated

$12,995 USD

PENDING INSPECTION. ENGINE RUNS GOOD, NEW ROD AND MAIN BEARINGS.CAMSHAFT/ROCKERS LOOK GOOD. TURBO LOOKS OK, RUNS GOOD NO BLOWBY. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK WILL FIT 40 PIN...

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Kenworth
Part Number	3406E 40 PIN
Stock Number	6TS15354
MLS Number	14146892
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a 1996 Volvo AUTOCAR ACL64

Recently Updated

$24,995 USD

3406E 435HP 5EK63620 PENDING INSPECTION, WILL TEST RUN AND INSPECT IN OUR ENGINE SHOP., Serial#: 5EK63620, Horse Power: 435

Condition	Used
Horse Power	435 HP
Fits To Make(s)	Volvo
Fits To Model(s)	AUTOCAR ACL64
Will Fit Year(s)	1996
Stock Number	20626-5
MLS Number	14142156
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406 Engine for a 1999 Freightliner FLD120

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CAT 3406E 375 HP,1LW PENDING INSPECTION WILL TEST RUN AND CHECK BEARINGS. ECM CAN BE FLASHED TO 450 HP WITHOUT HARDWARE CHANGES, ABOVE 450HP WOULD REQUIRE INJECTORS, TURBO AND POSSIBLE...

Condition	Used
Horse Power	375 HP
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Will Fit Year(s)	1999
Stock Number	12826-3
MLS Number	14119627
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406 Engine for a 1987 International F-9370

Recently Updated

$12,500 USD

CAT 3406B 7FB 425HP AIR TO AIR. TEST RUNS OK, RODS AND MAINS LOOK OK. TURBO AND CAM LOOK OK, NO BLOWBY.180 DAY WARRANTY ON HEAD BLOCK AND CRANK. NOTES, Serial#: 7FB91857, Core Charge: 3500,...

Condition	Used
Horse Power	425 HP
Fits To Make(s)	International
Fits To Model(s)	F-9370
Will Fit Year(s)	1987
Part Number	3406B 3406C
Stock Number	120725-6
MLS Number	14027857
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a 1995 Kenworth W900

Recently Updated

$12,995 USD

CAT 3406E 5EK 435-475 HP RUNS GOOD,DOES HAVE MODERATE BLOWBY. WILL INSPECT ROD AND MAIN BEARINGS. HAS BRAKE RETARDER. NOTES!!!, Serial#: 5EK28571, Horse Power: 0

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	1995
Stock Number	110125-4
MLS Number	13989055
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a 1996 Volvo AUTOCAR ACL64

Recently Updated

$16,995 USD

GOOD RUNNING TAKEOUT ENGINE ASSEMBLY, TEST RUNS GOOD. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK.ROD BEARINGS LOOK GOOD, NEW MAIN BEARINGS. CAM AND TURBO LOOK GOOD., Serial#: 5EK, Core Charge:...

Condition	Used
Horse Power	435 HP
Fits To Make(s)	Volvo
Fits To Model(s)	AUTOCAR ACL64
Will Fit Year(s)	1996
Part Number	40 PIN
Stock Number	82325-6
MLS Number	13790728
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a 1998 Kenworth T800

Recently Updated

$19,995 USD

3406E 475HP 6TS, LOOKS FRESH, RUNS GOOD NO BLOWBY, ROD AND MAIN BEARINGS LOOK GOOD, CAM AND TURBO LOOK OK, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 6TS24754, Horse Power: 475

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1998
Stock Number	32525-1
MLS Number	13491570
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a 2015 Kenworth T800

Recently Updated

$18,995 USD

3406E 550HP 5EK RUNS GOOD VERY LIGHT BLOWBY/ VIDEO 5-21. OWNER STATES AROUND 50K MILES ON OVERHAUL. NO PAPERS. WILL PULL PAN AND CHECK ROD AND MAIN BEARINGS/ INSPECT CAMSHAFT. 180 DAY...

Condition	Used
Horse Power	550 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2015
Part Number	3406E
Stock Number	52124-1
MLS Number	12889873
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406E Engine for a 1996 Peterbilt 379

Recently Updated

$19,995 USD

3406E 475HP 5EK WILL TEST RUN, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK,OWNER SAID RAN GOOD, JUST ROUTINE MAINTENANCE, Serial#: 5EK64044, Horse Power: 475

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	1996
Stock Number	121724-1
MLS Number	12675669
Category	Engines
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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1996 Caterpillar 3406E Engine

Newly Listed

$18,695 USD

1996 Caterpillar 3406E - 5EK 450 HP, S/N - 5EK82593, ECM is Included 90 Days Warranty Please call Joe for a quote! - 954-205-3067

Warranty

Condition	Used
Usage	100,000 Miles
Horse Power	450 HP
MLS Number	14370458
Category	Engines
Last Updated	5/15/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

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1996 Caterpillar 3406 5EK Engine

Newly Listed

$18,695 USD

1996 Caterpillar 3406E - 5EK 500 HP, S/N - 5EK-82593, ECM is Included, We have many versions and Years of 3406 in Stock! 90 Days Warranty Please call Joe for a quote! - 954-205-3067

Warranty

Condition	Used
Usage	100,000 Miles
Horse Power	500 HP
MLS Number	14370453
Category	Engines
Last Updated	5/15/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

Caterpillar 3406B Engine for a 1988 Freightliner FC60

Recently Updated

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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	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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1993 Caterpillar 3406C Engine for 1992-1993

Newly Listed

$17,000 USD

1993 Caterpillar 3406C Mechanical Diesel Engine Will Fit Year(s) 1992-1993, 425 HP, Turbo 90 Days Warranty Please call Joe for a quote! - 954-205-3067

Warranty

Condition	Used
Usage	100,000 Miles
Horse Power	425 HP
Will Fit Year(s)	1992-1993
MLS Number	14370270
Category	Engines
Last Updated	5/14/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

Caterpillar 3406 Engine for a 1995 Kenworth T600

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CORE ENGINE/5EK 40 PIN. POSSIBLE BROKEN CRANK, HAS FRONT SUMP PAN. TURBO INVENTORIED SEPARATE,ECM SEPARATE, Serial#: 5EK30349, Core Charge: NA, Horse Power: 435, Casting#: 5EK30349

Condition	Used
Horse Power	435 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	1995
Part Number	5EK
Stock Number	12120-9
MLS Number	10055689
Category	Engines
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3406B Engine - 425 HP

Recently Updated

$32,995 USD

***BUILD TO ORDER*** COMPLETE OUT OF FRAME OVERHAUL. REMAN HEAD,PUMP,TURBO,INJECTORS,PISTONS/ LINERS. 1 YR UNLIMITED MILES. HAS BEEN TESTED. CALL FOR MORE INFO ///NOTES////, Serial#:...

Condition	Remanufactured
Horse Power	425 HP
Engine Model	Caterpillar 3406B
Stock Number	3406B
MLS Number	9001097
Category	Engines
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Caterpillar 3406B Engine for a 1988 Western Star 4964F

Recently Updated

$7,340 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada and USA. – Stock: 6485M – Moteur/ Engine : Caterpillar 3406B, 425 HPJ, 879 247 KM - S/N : 4MG27700 No core...

Condition	Used
Fits To Make(s)	Western Star
Fits To Model(s)	4964F
Will Fit Year(s)	1988
Part Number	4MG27700
Stock Number	6485M
MLS Number	12995833
Category	Engines
Last Updated	5/14/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

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Caterpillar 3406E Engine for a 1999 Kenworth T800

Recently Updated

$10,985 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada and USA. – Stock: 6643M – Moteur/ Engine Caterpillar 3406E 475 HPJ, ECM 40 Pines - 743 726 KM / 18 703 H – S...

Condition	Used
Horse Power	475 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1999
Stock Number	6643M
MLS Number	12425108
Category	Engines
Last Updated	5/14/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert