Used Cummins ISX Engines For Sale in United States

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Featured Item

2014 Cummins ISX15 Longblock

Newly Listed

$15,500 USD

Full reman ISX15 Long Block, We have fully machined the block which includes the surface and counterbores Brand new Stage 2 Cylinder head AFA Full Engine Kit, New front cover bolts OEM...

Warranty

Quantity	3
Condition	Used
L x W	42 x 36
Fits To Make(s)	Cummins
Weight	2640
MLS Number	14389843
Category	Engines
Last Updated	5/26/2026
Location	Houston, TX, US
Sold By	M&Y Machine Shop

(305) 688-___ SHOW
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Featured Item

2013 Cummins ISX12 Engine CPL 3711

$19,500 USD

(GOOD USED TEST RUN INTERNALLY INSPECTED) 2013 Cummins ISX12 Diesel Engine For Sale, CPL# 3711, (EPA13) Service Model Name: ISX12 CM2350 X102, Family# DCEXH0729XAE, Engine Configuration #...

Warranty

Condition	Used
CPL/ARR	3711
Horse Power	320 HP
Part Number	CPL 3711
Stock Number	10140
MLS Number	14350471
Category	Engines
Last Updated	5/12/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

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Featured Item

2005 Cummins ISX Engine, CPL 8520

$12,500 USD

(GOOD USED TEST RUN INTERNALLY INSPECTED) 2005 Cummins ISX Diesel Engine For Sale, CPL# 8520, CM870 (EPA04) 400HP @ 2000 RPM, Family # 5CEXH0912XAJ, Engine Configuration # D103004BB37,...

Warranty

Condition	Used
CPL/ARR	8520
Horse Power	400 HP
Part Number	CPL# 8520
Stock Number	10110
MLS Number	14345711
Category	Engines
Last Updated	5/1/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

(844) 402-___ SHOW
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Featured Item

Cummins ISX15 Engine for a 2016 Kenworth T680

$13,999.99 USD

(Core) Engine does not Turn 360 Degrees Complete 2015 Cummins ISX15, ENGINE ASSEMBLY- Part Number: E6P8F3767L769B7974, Family Number: FCEXH0912XAT, Displacement: 15L, Horsepower: 450, Serial...

Condition	Used
CPL/ARR	4583
Horse Power	450 HP
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Will Fit Year(s)	2016
Part Number	E6P8F3767L769B7974
Stock Number	P-41239
MLS Number	11918027
Category	Engines
Last Updated	5/28/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 938-___ SHOW
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Featured Item

2014 Cummins ISX15 550HP Engine – TESTED – GOOD RUNNER – USED

$20,000 USD

2014 Cummins ISX15 Diesel Engine – 550HP – Run Tested, This listing represents a 2014 Cummins ISX15 engine rated at approximately 550HP. This is a used engine that has been run tested and...

Warranty

Condition	Used
Horse Power	550 HP
Stock Number	2172
MLS Number	14274685
Category	Engines
Last Updated	4/20/2026
Location	Medley, FL, US
Sold By	Optimum Truck Parts LLC

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Featured Item

2011 Cummins ISX15 Engine, CPL 3719, CM2250

$15,500 USD

(GOOD USED TEST RUN INTERNALLY INSPECTED) 2011 Cummins ISX15 Diesel Engine For Sale, (EPA10) CPL# 3719, CM2250, ISX15400ST, 400HP @ 1800RPM, 450HP, 15.0L, 6 Cylinders, Turbocharged,...

Warranty

Condition	Used
CPL/ARR	3719
Horse Power	450 HP
Part Number	BCEXH0912XAP
Stock Number	7702
MLS Number	13138363
Category	Engines
Last Updated	5/12/2026
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

(833) 734-___ SHOW
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2018 Cummins ISX15 Engine

Newly Listed

Contact for price

USED 2018 CUMMINS ISX15 ENGINE, 500HP, EGR DELETED, CPL:3719, STOCK:0528262, ESN:8LB007556-8, X15 ENGINE, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	8762-0528262
MLS Number	14395683
Category	Engines
Last Updated	5/28/2026
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

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2015 Cummins ISX15 Engine

Newly Listed

Contact for price

USED 2015 CUMMINS ISX15 450ST ENGINE, CPL:3937, STOCK:0527264, ESN:79773326, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN STOCK

Condition	Used
Stock Number	8760-0527264
MLS Number	14392988
Category	Engines
Last Updated	5/27/2026
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

(888) 519-___ SHOW
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2013 Cummins ISX12 Engine for a Peterbilt 320

Newly Listed

$12,500 USD

Good running Cummins ISX12 Cm2250 EGR engine assembly. 298,902 miles. ECM sold seperately. Needs engine wiring harness. 42psi oil pressure. 120 Day Guarantee.

Condition	Used
Horse Power	385 HP
Fits To Make(s)	PETERBILT
Fits To Model(s)	320
Stock Number	1069384
MLS Number	14391691
Category	Engines
Last Updated	5/27/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(833) 614-___ SHOW
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2015 Cummins ISX Engine for a Kenworth T800

Newly Listed

$6,500 USD

Cummins ISX Complete Engine Assembly, Good Condition. Has Blowby 243k miles, Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	82313
MLS Number	14388143
Category	Engines
Last Updated	5/28/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

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2013 Cummins ISX12 Engine for a Peterbilt 384

$11,500 USD

Cummins ISX12, 400 HP, CPL3438, CM2250, S/N- 75011969, 537,444 ODO Miles, 25,425.4 Hours, 537,556.8 ECM Miles, 25,592.18 ECM Hours. Ran Engine On Free Stand, Engine Ran Sounded Good. No...

Condition	Used
CPL/ARR	3438
Horse Power	400 HP
Fits To Make(s)	PETERBILT
Fits To Model(s)	384
Stock Number	4424-1
MLS Number	14305902
Category	Engines
Last Updated	5/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2012 Cummins ISX15 Engine

$39,995 USD

2012/2013 Cummins ISX-15 Rebuild! CPL: 3719 - 3937 - 3938 - 3939, 100% Rebuilt to 550HP!, ECM can be set to 600 HP!, Engine has a brand new Borg Warner 800HP Detroit Turbo!, FULLY...

Warranty

Condition	Used
CPL/ARR	3719
Horse Power	550 HP
MLS Number	14384578
Category	Engines
Last Updated	5/22/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

2013 Cummins ISX15 Engine

$31,995 USD

2012 - 2013 - 2014 Cummins ISX-15 Rebuild! CPL: 3937, 450 HP, REBUILT, ECM is Included, We have many versions and Years of ISX-15 in Stock!, We also stock these Cummins ISX-15 Engines...

Warranty

Condition	Used
CPL/ARR	3937
Horse Power	450 HP
MLS Number	14384567
Category	Engines
Last Updated	5/22/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

2012 Cummins ISX15 Engine

$31,995 USD

2012 - 2013 - 2014 Cummins ISX-15 Rebuild! CPL: 3937 and we have CPL: 3939 Available, 450 HP 550 HP, Add $2,500 for the 550!, REBUILT, ECM is Included, We have many versions and Years...

Warranty

Condition	Used
CPL/ARR	3939
Horse Power	450 HP
MLS Number	14384566
Category	Engines
Last Updated	5/22/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

2009 Cummins ISX Engine

$26,695 USD

2009 Cummins ISX CPL-2732 HP- 450ST, S/N: 79382239, ECM is Included, We have many versions and Years of ISX in Stock!, We also stock these Cummins ISX Engines CPL-1855 - CPL-2592 -...

Warranty

Condition	Used
Usage	100,000 Miles
CPL/ARR	2732
Horse Power	400 HP
MLS Number	14384517
Category	Engines
Last Updated	5/21/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

2006 Cummins ISX Engine

$26,695 USD

2006 Cummins ISX CPL-8520 HP- 400ST, Rebuilt head, New Pistons, New Liners, New Seals, S/N: 79154463, ECM is Included, We have many versions and Years of ISX in Stock!, We also stock...

Warranty

Condition	Used
Usage	100,000 Miles
CPL/ARR	8520
Horse Power	400 HP
MLS Number	14384516
Category	Engines
Last Updated	5/21/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

2006 Cummins ISX Engine

$26,695 USD

2006 Cummins ISX CPL-8520 HP- 400ST, Rebuilt head, New Pistons, New Liners, New Seals, S/N: 79154463, ECM is Included, We have many versions and Years of ISX in Stock!, We also stock...

Warranty

Condition	Used
Usage	100,000 Miles
CPL/ARR	8520
Horse Power	400 HP
MLS Number	14384515
Category	Engines
Last Updated	5/21/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

2012 Cummins ISX12 Engine

$26,795 USD

USED 2012 Cummins ISX12 Truck Diesel Engine - Fully Tested, Warranty Engine Size 11.9, 425 HP, ENGINE COMES COMPLETE DROP IN, Engine will be cleaned and painted and look like the example...

Warranty

Condition	Used
Usage	100,000 Miles
Horse Power	425 HP
MLS Number	14384513
Category	Engines
Last Updated	5/21/2026
Location	Miramar, FL, US
Sold By	JSJ Diesel Sales, Inc.

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Cummins ISX12 Engine for a Cummins ISX12 3440

$9,195 USD

SERIAL# 75005629

Condition	Used
Usage	187,273 Miles
CPL/ARR	3440
Horse Power	350 HP
Fits To Make(s)	CUMMINS
Fits To Model(s)	ISX12 3440
Stock Number	2640256
MLS Number	14358145
Category	Engines
Last Updated	5/20/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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2012 Cummins ISX15 Engine for a Freightliner Cascadia 125

$10,000 USD

Cummins ISX15, 450 HP, CPL-3719, CM2250, S/N- 79555081, Odometer Miles 525,968.7, 20,610.7 Hours, 526,132.8 ECM Miles, 23,293.43 Hours. (Please see video of engine running and test report. ...

Quantity	-1
Condition	Used
CPL/ARR	3719
Horse Power	450 HP
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	931-1
MLS Number	14303934
Category	Engines
Last Updated	5/22/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2016 Cummins ISX15 Engine for a Freightliner Cascadia 125

Contact for price

ISX15, 450 HP, S/N 79842335, CPL-4583, CM2350, 833,118.3 Odometer Miles, 833,177 ECM miles. Engine complete and runs good. No visible damage or leaks. (See video of engine running and test...

Condition	Used
CPL/ARR	4583
Horse Power	450 HP
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	1662-1
MLS Number	14053900
Category	Engines
Last Updated	5/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(866) 314-___ SHOW
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2012 Cummins ISX15 Engine

$6,500 USD

RUNS, '12, 79554210, 3719,

Condition	Used
Stock Number	ENGINE-2803
MLS Number	14378306
Category	Engines
Last Updated	5/19/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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2016 Cummins ISX12 G Engine for a Cummins ISX12G 3647

$5,910.34 USD

Condition	Used
Usage	697,421 Miles
CPL/ARR	3647
Horse Power	400 HP
Fits To Make(s)	CUMMINS
Fits To Model(s)	ISX12G 3647
Stock Number	2540342
MLS Number	14051575
Category	Engines
Last Updated	5/19/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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2014 Cummins ISX12 G Engine for a Cummins ISX12G 3647

$5,910.34 USD

Condition	Used
Usage	727,633 Miles
CPL/ARR	3647
Horse Power	350 HP
Fits To Make(s)	CUMMINS
Fits To Model(s)	ISX12G 3647
Stock Number	2529768
MLS Number	13643895
Category	Engines
Last Updated	5/19/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck