Used Caterpillar Engines For Sale in United States

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Caterpillar C12 Engine for a 1998 Ford AT9513 Aeromax 113

$3,995 USD

COMPLETE CORE ENGINE ASSEMBLY/WATER IN OIL/ 40 PIN ECM, Serial#: 1YN10774, Horse Power: 410, ARR/CPL: NA, Casting#: NA

Condition	Used
Horse Power	410 HP
Fits To Make(s)	Ford
Fits To Model(s)	AT9513 Aeromax 113
Will Fit Year(s)	1998
Part Number	C-12 40PIN
Stock Number	32424-6
MLS Number	12741624
Category	Engines
Last Updated	9/3/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C11 Engine for a 2005 Sterling L9500

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(Used) 2004 Caterpillar C11, ENGINE ASSEMBLY- Family Number: 4CPXH0680EBK, Displacement: 11.1L, Horsepower: 370, Ar.No./CPL: 258-9138, Serial Number: KCA04241, Part Number: C01-00076-130,...

Condition	Used
CPL/ARR	258-9138
Horse Power	370 HP
Fits To Make(s)	Sterling
Fits To Model(s)	L9500
Will Fit Year(s)	2005
Part Number	C01-00076-130
Stock Number	P-509126
MLS Number	14490303
Category	Engines
Last Updated	9/2/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 980-___ SHOW
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2021 Caterpillar C 3.4 B Engine

$11,000 USD

Horsepower 74.0 hp,

Condition	Used
MLS Number	13823166
Category	Engines
Last Updated	8/30/2026
Location	Shelby Twp, MI, US
Sold By	MacAllister Machinery - South

(855) 370-___ SHOW
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2009 Caterpillar C7 Engine for a GMC C7500

$12,950 USD

(USED) CAT C7 Warranty: 180 Day Parts Only Serial#: C7S09845 Horsepower: 250 DOES NOT INCLUDE THE EXHAUST DOWNPIPE, WILL INCLUDE ALL SENSORS/WIRING NEEDED

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	C7500
Stock Number	25743404
MLS Number	13363725
Category	Engines
Last Updated	8/29/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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Caterpillar 3126E Engine for a CAT 3126E 250HP AND ABOVE

$4,600 USD

SERIAL# HEP15223, A/COMP

Condition	Used
Usage	300,771 Miles
CPL/ARR	229-4522
Horse Power	330 HP
Fits To Make(s)	CAT
Fits To Model(s)	3126E 250HP AND ABOVE
Stock Number	2643909
MLS Number	14571063
Category	Engines
Last Updated	9/4/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

Caterpillar C7 Engine for a 2007 Freightliner M2 106

$5,499.98 USD

(Used) 2006 Caterpillar C7, ENGINE ASSEMBLY- Family Number: 6CPX0442HBK, Displacement: 7.2L, Horsepower: 230, Ar.No./CPL: N/A, ESN: WAX24325, ECS: EM, DI, TC, ECM, CAC, CAT, Reference images...

Condition	Used
Horse Power	230 HP
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2007
Stock Number	P-42534
MLS Number	11946865
Category	Engines
Last Updated	9/1/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Caterpillar Engine

$3,500 USD

CORE CAT MOD# C4.4 SN# 44417123 AR# 388-1875 127BHP @ 2200RPM EXC THIS ENGINE RUNS BUT SMOKES, NEEDS REBUILD.

Condition	Used
Stock Number	MCO142484
MLS Number	14339139
Category	Engines
Last Updated	8/25/2026
Location	Oil City, LA, US
Sold By	Bobby Johnson Equipment Co., Inc.

Caterpillar C12 Engine for a 2004 International 8600

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(Used) 2003 Caterpillar C12, ENGINE ASSEMBLY- Family Number: 3CPXH0729EBV, Displacement: 12.0L, Horsepower: 410, Serial Number: MBL09970, Ar. No./CPL: 226-5961, Part Number:...

Condition	Used
CPL/ARR	226-5961
Horse Power	410 HP
Fits To Make(s)	International
Fits To Model(s)	8600
Will Fit Year(s)	2004
Part Number	HTKH1208NV00000014
Stock Number	P-83661
MLS Number	12970001
Category	Engines
Last Updated	8/25/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Caterpillar 3126 Engine for a 2000 Freightliner FL80

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CORE ENGINE ASSEMBLY/ ENGINE IS LOCKED UP/AIR BRAKE/PARTS OK, Serial#: 7AS76477, Horse Power: 250, ARR/CPL: NA, Casting#: NA

Condition	Used
Horse Power	250 HP
Fits To Make(s)	Freightliner
Fits To Model(s)	FL80
Will Fit Year(s)	2000
Part Number	3126E
Stock Number	41724-6
MLS Number	12844168
Category	Engines
Last Updated	8/26/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar 3126 Engine for a 1998 GMC T7500

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(Used) 1998 Caterpillar 3126, ENGINE ASSEMBLY- Family Number: WCPXH0442HRK, Displacement: 7.2L, Horsepower: 190, ARR/CPL: 115-3359, Serial Number: 7AS15629, E.C.S: EM, DI, TC, ECM, CAC, For...

Condition	Used
CPL/ARR	115-3359
Horse Power	190 HP
Fits To Make(s)	GMC
Fits To Model(s)	T7500
Will Fit Year(s)	1998
Stock Number	P-506690
MLS Number	14442020
Category	Engines
Last Updated	8/25/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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1992 Caterpillar 3176 Engine for a Kenworth W900B

$1,750 USD

(USED) CAT 3176 Warranty: As-Is No Warranty Assembly#: - Serial#: 5XN00111 Horsepower: - RUNNING INSPECTED ENGINE, CYLINDERS ARE WASHED, STARTING TO SCORE, SOLD AS IS

Condition	Used
Assembly Number	-
Fits To Make(s)	Kenworth
Fits To Model(s)	W900B
Stock Number	25707692
MLS Number	13242948
Category	Engines
Last Updated	8/29/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Caterpillar 3116 Engine for a 1997 Volvo FE

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(Used) 1997 Caterpillar 3116, ENGINE ASSEMBLY- Family Number: VCP403DZDAAA, Displacement: 6.6L, Horsepower: 215, ARR/CPL: 142-0370, Serial Number: 9GK53984, E.C.S: EM, DI, SPL, OC, For more...

Condition	Used
CPL/ARR	142-0370
Horse Power	215 HP
Fits To Make(s)	Volvo
Fits To Model(s)	FE
Will Fit Year(s)	1997
Stock Number	P-506370
MLS Number	14437708
Category	Engines
Last Updated	8/23/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 938-___ SHOW
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1999 Caterpillar 3406E 1LW 550HP 40-Pin Diesel Engine | Tested Runner

$18,500 USD

🔥 1999 CATERPILLAR 3406E 1LW – 550 HP – 40 PIN, Used Caterpillar 3406E 1LW diesel engine available from Optimum Truck Parts 🔧 ENGINE DETAILS, , Manufacturer: Caterpillar, , Model:...

Warranty

Condition	Used
Horse Power	550 HP
Stock Number	2031
MLS Number	14557735
Category	Engines
Last Updated	8/26/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

Caterpillar 3406B Engine for a 1993 Freightliner FLD120

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(Used) 1992 Caterpillar 3406B, ENGINE ASSEMBLY- Displacement: 14.6L, Horsepower: TBD, Serial Number: 4CK09212, Part Number: S01-22115-006, Reference images for condition, For more...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Will Fit Year(s)	1993
Part Number	S01-22115-006
Stock Number	P-511674
MLS Number	14555580
Category	Engines
Last Updated	8/20/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Caterpillar 1693 Engine

$3,500 USD

Good running Caterpillar 1693 engine assembly. 40 PSI oil pressure. cracked turbo inlet eblow and exhaust manifold to turbo flange clamp. 120 day guarantee.

Condition	Used
Stock Number	1058853
MLS Number	13879365
Category	Engines
Last Updated	8/19/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(844) 484-___ SHOW
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1998 Caterpillar 3116 Engine for a GMC C7

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Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	C7
Stock Number	2207
MLS Number	14551397
Category	Engines
Last Updated	8/19/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

Caterpillar C7 Engine for a 2004 Peterbilt 330

$5,495.98 USD

(Used) 2003 CATERPILLAR C7 ENGINE ASSEMBLY- Family Number: TBD, Displacement: 7.2L, Horsepower: TBD, Serial Number: TBD, Reference images for condition For more information about this item,...

Condition	Used
CPL/ARR	Other
Horse Power	230 HP
Fits To Make(s)	Peterbilt
Fits To Model(s)	330
Will Fit Year(s)	2004
Stock Number	P-20484
MLS Number	10529530
Category	Engines
Last Updated	8/19/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2006 Caterpillar C15 ACERT Engine for a CAT C15 (DUAL TURBO-ACERT-EPA04)

$6,000 USD

Condition	Used
Usage	714,879 Miles
Fits To Make(s)	CAT
Fits To Model(s)	C15 (DUAL TURBO-ACERT-EPA04)
Stock Number	2560628
MLS Number	14337998
Category	Engines
Last Updated	8/18/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

(844) 329-___ SHOW
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Caterpillar C3.4 / 3044 Engine

$7,650 USD

CATERPILLAR C3.4 Diesel Engine Runs perfect, good tested engine. Will interchange with CAT 3044, Mitsubishi S4S and Perkins 804D-33T Engines. Call or message with any questions.

Condition	Used
Usage	1,896 Hours
CPL/ARR	294-4492
Horse Power	63 HP
Emission Rating	Tier 3
Stock Number	3598
MLS Number	14547284
Category	Engines
Last Updated	8/18/2026
Location	Springville, PA, US
Sold By	Summit Core Supply

Caterpillar C13 Engine for a 2007 International 8600

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(Used) 2006 Caterpillar C13, ENGINE ASSEMBLY- Family Number: 6CPXH0763EBK, Displacement: 12.5L, Horsepower: 335, Ar.No./CPL: 294-3493, Serial Number: KCB90897, E.C.S: EM, DI, TC, ECM, CAC,...

Condition	Used
CPL/ARR	294-3493
Horse Power	335 HP
Fits To Make(s)	International
Fits To Model(s)	8600
Will Fit Year(s)	2007
Stock Number	P-511398
MLS Number	14546774
Category	Engines
Last Updated	8/16/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar C7 Engine for a 2005 Blue Bird BB Conventional

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(Used) 2004 Caterpillar C7, ENGINE ASSEMBLY- Displacement: 7.2L, Horsepower: 210, Ar.No./CPL: 238-7120, E.S.N.: KAL37038, Reference images for condition. For more information about this item...

Condition	Used
CPL/ARR	238-7120
Horse Power	210 HP
Fits To Make(s)	Blue Bird
Fits To Model(s)	BB Conventional
Will Fit Year(s)	2005
Stock Number	P-509799
MLS Number	14506909
Category	Engines
Last Updated	8/18/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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1999 Caterpillar 3126B Engine for a CAT 3126B 249HP AND BELOW

$2,975.24 USD

Condition	Used
Usage	448,553 Miles
CPL/ARR	CPL/ARR#
Horse Power	190 HP
Fits To Make(s)	CAT
Fits To Model(s)	3126B 249HP AND BELOW
Stock Number	2161668
MLS Number	11472011
Category	Engines
Last Updated	8/14/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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Caterpillar 3512 Engine

$35,000 USD

Caterpillar 3512 core engine. Arrangement number 173-2948. 2250HP well service. [available now],

Condition	Used
Horse Power	2250 HP
MLS Number	13581691
Category	Engines
Last Updated	8/13/2026
Location	Decatur, TX, US
Sold By	Industrial Diesel, Inc.

Caterpillar C15 Engine for a 2007 Peterbilt 387

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(Used) 2006 Caterpillar C15, ENGINE ASSEMBLY- Displacement: 14.6L, Horsepower: N/A, Reference images for condition, For more information about this item, give us a call. We ship Worldwide!...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2007
Stock Number	P-511108
MLS Number	14536970
Category	Engines
Last Updated	8/12/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts