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Cummins ISX12 Engines For Sale

Browse Cummins ISX12 Engines on MyLittleSalesman.com and compare listings with prices from $2,850 to $39,950. Sellers include JJ Rebuilders, CRG Heavy Truck Parts, West Side Truck Parts, and more. Filter by condition, price, or year to quickly narrow down to the right Cummins ISX12 Engine.
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Showing 1 - 25 of 84 Engine Listings

1 - 25 of 84 listings
1 - 25 of 84 listings
Featured Item
2017 Cummins ISX12 Engine

2017 Cummins ISX12 Engine

$24,000 USD
(FRESH REBUILD) 2017 Cummins ISX12 Diesel Engine (EPA13), Service Model Name: CM2350, CPL 4892, HP: 425HP @ 1800RPM, Torque: 1450LBS @ 1200RPM, Market Name: ISX12 425MC, Engine Configuration...
ConditionRemanufactured
CPL/ARR4892
Part NumberCPL 4892
Stock Number007005
MLS Number14654836
CategoryEngines
Last Updated10/9/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Featured Item
Cummins ISX12 Engine for a 2017 Peterbilt 365

Cummins ISX12 Engine for a 2017 Peterbilt 365

$11,999.99 USD
(Used) 2018 Cummins ISX12, ENGINE ASSEMBLY- Family Number: JCEXH0729XAE, Displacement: 11.9L, Horsepower: 350, Ar.No./CPL: 4892, Serial Number: 75073841, Part Number: E6UCAT9CH267B26362,...
ConditionUsed
CPL/ARR4892
Horse Power350 HP
Fits To Make(s)Peterbilt
Fits To Model(s)365
Will Fit Year(s)2017
Part NumberE6UCAT9CH267B26362
Stock NumberP-101188
MLS Number13547620
CategoryEngines
Last Updated9/26/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Featured Item
Cummins ISX12 Engine for a 2019 Peterbilt 567

Cummins ISX12 Engine for a 2019 Peterbilt 567

$11,999.99 USD
(Used) 2018 Cummins ISX12 350V, ENGINE ASSEMBLY- Family Number: JCEXH0729XAE, Displacement: 11.9L, Horsepower: 350, Ar.No./CPL: 4892, Serial Number: 75068745, Part Number: E6UCAT9DH267B26262...
ConditionUsed
CPL/ARR4892
Horse Power350 HP
Fits To Make(s)Peterbilt
Fits To Model(s)567
Will Fit Year(s)2019
Part NumberE6UCAT9DH267B26262
Stock NumberP-494074
MLS Number14088193
CategoryEngines
Last Updated8/10/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Engine - 400 HP, ARR/CPL 3438

2011 Cummins ISX12 Engine - 400 HP, ARR/CPL 3438

$14,000 USD
Cummins ISX12 EPA10, 400HP, CPL- 3438, CM- 2250, S/N-75001314. 484,398 ECM Miles, 19,843.3 Hours New bearings, seals and Recon oil pump. (Engine Report And Video Available)
ConditionUsed
CPL/ARR3438
Horse Power400 HP
Stock Number4515-1-BRG
MLS Number14438381
CategoryEngines
Last Updated10/9/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Cummins ISX12 Engine for a 2016 Freightliner Cascadia 113

Cummins ISX12 Engine for a 2016 Freightliner Cascadia 113

$13,999.99 USD
(Used) 2015 Cummins ISX12, ENGINE ASSEMBLY- Family Number: FCEXH0729XAE, Displacement: 11.9L, Horsepower: 350, Ar.No./CPL: 4589, Serial Number: 75039787, Part Number: C01-00244-005, E.C.S:...
ConditionUsed
CPL/ARR4589
Horse Power350 HP
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 113
Will Fit Year(s)2016
Part NumberC01-00244-005
Stock NumberP-101166
MLS Number13547597
CategoryEngines
Last Updated10/1/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Engine for a 2016 Kenworth T680

Cummins ISX12 Engine for a 2016 Kenworth T680

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(Used) 2015 Cummins ISX12 G, ENGINE ASSEMBLY- Family Number: FCEXH0729XBA, Displacement: 11.9L, Horsepower: 400, Ar.No./CPL: 3647, ESN: 75044906, Part Number: E6E0CH9F6P666C6664, ECS: HO2S,...
ConditionUsed
CPL/ARR3647
Horse Power400 HP
Fits To Make(s)Kenworth
Fits To Model(s)T680
Will Fit Year(s)2016
Part NumberE6E0CH9F6P666C6664
Stock NumberP-510416
MLS Number14519768
CategoryEngines
Last Updated9/29/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Engine for a 2018 Peterbilt 567

Cummins ISX12 Engine for a 2018 Peterbilt 567

$11,999.99 USD
(Core) Engine Blowby Excessive 2017 Cummins ISX12, ENGINE ASSEMBLY- Family Number: HCEXH0729XAE, Displacement: 11.9L, Horsepower: 425, Ar.No.CPL: 4892, ESN: 75059281, E.C.S: EGR, PTOX, SCRC,...
ConditionUsed
CPL/ARR4892
Horse Power425 HP
Fits To Make(s)Peterbilt
Fits To Model(s)567
Will Fit Year(s)2018
Stock NumberP-493213
MLS Number14074557
CategoryEngines
Last Updated10/16/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Engine for a 2013 Peterbilt 320

Cummins ISX12 Engine for a 2013 Peterbilt 320

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(Used) 2012 Cummins ISX11.9, ENGINE ASSEMBLY- Family Number: CCEXH0729XAA, Displacement: 11.9L, Horsepower: 350, Ar.No./CPL: 3440, Serial Number: 75009857, Part Number: E6BU9F946G60646160,...
ConditionUsed
CPL/ARR3440
Horse Power350 HP
Fits To Make(s)Peterbilt
Fits To Model(s)320
Will Fit Year(s)2013
Part NumberE6BU9F946G60646160
Stock NumberP-512704
MLS Number14583799
CategoryEngines
Last Updated9/4/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Cummins ISX12 Engine for a 2025 Freightliner CASCADIA PE116064S T

Cummins ISX12 Engine for a 2025 Freightliner CASCADIA PE116064S T

$34,900 USD
RUNNER, Serial#: 75123904, Horse Power: 455 HP @ 1800 RPM, ARR/CPL: 6359 CM2450A EPA21, Part Make: CUMMINS
ConditionUsed
CPL/ARR6359 CM2450A EPA21
Fits To Make(s)FREIGHTLINER
Fits To Model(s)CASCADIA PE116064S T
Will Fit Year(s)2025
Stock Number1A1E57335
MLS Number14509186
CategoryEngines
Last Updated9/24/2026
Location
Ste-Julie, QC, Canada
Sold By
Camions Lussier-Lussicam inc.
(844) 503-___  SHOW
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Camions Lussier-Lussicam inc.
Cummins ISX12 Engine for a Kenworth T800

2011 Cummins ISX12 Engine for a Kenworth T800

$10,000 USD
Cummins ISX12 EPA10, 400HP, CPL- 3438, CM- 2250, S/N-75001316. 500,762.1 ECM Miles, 18,737 ECM Hours. (Engine Report And Video Available)
ConditionUsed
CPL/ARR3438
Horse Power400 HP
Fits To Make(s)KENWORTH
Fits To Model(s)T800
Stock Number4513-1
MLS Number14435971
CategoryEngines
Last Updated8/29/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
2015 Cummins ISX12 Engine, CPL 4589

2015 Cummins ISX12 Engine, CPL 4589

$21,500 USD
(GOOD USED TEST RUN INTERNALLY INSPECTED) 2015 Cummins ISX12 Diesel Engine For Sale, 320HP MAX 425HP, CM2350 X102, CPL# 4589, EPA Model Name / Family# FCEXH0729XAE, EPA 13 Fits 2013 2014...
Warranty
ConditionUsed
CPL/ARR4589
Horse Power425 HP
Part NumberISX12
Stock Number10038
MLS Number14527427
CategoryEngines
Last Updated9/9/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Cummins ISX12 Engine for a 2012 Peterbilt 367

Cummins ISX12 Engine for a 2012 Peterbilt 367

Contact for price
(Used) Engine Blowby excessive, 2011 Cummins ISX12, ENGINE ASSEMBLY- Family Number: CCEXH0729XAA, Displacement: 11.9L, Horsepower: 350, ARR/CPL: 3440, E.S.N.: 75014969, Part Number:...
ConditionUsed
CPL/ARR3440
Horse Power350 HP
Fits To Make(s)Peterbilt
Fits To Model(s)367
Will Fit Year(s)2012
Part NumberE6BU9F946G60646160
Stock NumberP-505971
MLS Number14430364
CategoryEngines
Last Updated8/4/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
2013 Cummins ISX12 Engine

2013 Cummins ISX12 Engine

$24,000 USD
(FRESH REBUILD) 2013 Cummins ISX12 Diesel Engine (EPA13), Service Model Name: CM2350, CPL 3711, HP: 425HP @ 1800RPM, Torque: 1450LBS @ 1200RPM, Market Name: ISX12 425MC, Engine Configuration...
ConditionRemanufactured
CPL/ARR3711
Horse Power425 HP
Part NumberCPL 3711
Stock Number006899
MLS Number14420621
CategoryEngines
Last Updated8/15/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2011 Cummins ISX12 Engine, CPL 3439, CM2250

2011 Cummins ISX12 Engine, CPL 3439, CM2250

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(GOOD USED TEST RUN INTERNALLY INSPECTED) 2011 Cummins ISX12 Diesel Engine For Sale (EPA10) CPL# 3439, CM2250, 289K MILES, FAMILY# BCEXH0729XAB, Engine Serial# 75004049, Emission Control...
Warranty
ConditionUsed
CPL/ARR3439
Part NumberCPL# 3439, CM2250, 289K MILES
Stock Number8155
MLS Number13293968
CategoryEngines
Last Updated6/18/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
USED 2012 Cummins ISX12 Engine C9L3438 / 425HP Tested Runner – Warranty

USED 2012 Cummins ISX12 Engine C9L3438 / 425HP Tested Runner – Warranty

$27,000 USD
(USED) 2012 CUMMINS ISX12 SERIAL#75010774 @ 425HP @ CPL:3438 ** used Engine Diesel @ Engine is Test Run Inspected Internally. With Warranty! Many Engines in Stock! Call 305-833-9956
Warranty
ConditionUsed
CPL/ARR3438
Horse Power425 HP
Stock Number1860
MLS Number12910793
CategoryEngines
Last Updated6/16/2026
Location
Medley, FL, US
Sold By
Optimum Truck Parts LLC
(844) 938-___  SHOW
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Optimum Truck Parts LLC
2012 Cummins ISX12 Engine, CPL 3438 (2019 CUMMINS BUILD DATE)

2012 Cummins ISX12 Engine, CPL 3438 (2019 CUMMINS BUILD DATE)

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(GOOD USED TEST RUN INSPECTED) 2012 Cummins ISX12 Diesel Engine For Sale, CPL 3438, (EPA10) BUILD DATE 2019, Family# CCEXH0729XAC, CM2250, Model# DR6599-RX, Fits 2010 2011 2012 2013,...
Warranty
ConditionUsed
CPL/ARR3438
Horse Power450 HP
Part NumberCM2250
Stock Number8257
MLS Number13327573
CategoryEngines
Last Updated6/5/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
NUMBERCall Seller
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CA Truck Parts Inc.
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