Featured Item View 9 Photos View 0 Videos 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 ConditionUsedHorse Power550 HPStock Number2172 MLS Number14274685CategoryEngines Last Updated4/20/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Cummins ISX15 CPL3939 550HP Engine – Strong Runner – Warranty Newly Listed $19,000 USD Cummins ISX15 – 550HP – CPL 3939 – Used – Strong Runner – Warranty, Reliable Cummins ISX15 diesel engine removed from a running unit and verified as a strong running takeout prior to... Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2186 MLS Number14331550CategoryEngines Last Updated4/24/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 2006 Cummins ISX CPL8518 565HP Engine – Strong Runner – Warranty $14,000 USD Cummins ISX Diesel Engine – 565HP – CPL 8518 – EGR – Used – Strong Runner, Reliable Cummins ISX diesel engine removed from a running unit and verified as a strong running takeout prior to... Warranty ConditionUsedCPL/ARR8518Horse Power565 HPStock Number2175 MLS Number14282805CategoryEngines Last Updated4/2/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2012 012 Cummins ISX15 550HP Engine – CPL 3606 – Fully Tested | Warranty $21,000 USD For Sale: 2012 Cummins ISX15 Diesel Engine – 550 HP – CPL 3606, At Optimum Truck Parts, we specialize in used, rebuilt, and new diesel engines, transmissions, and heavy-duty truck parts... Warranty ConditionUsedCPL/ARR3606Horse Power550 HPStock Number2160 MLS Number14247541CategoryEngines Last Updated3/17/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED- 2006 Cummins ISX15 Engine, FULLY TESTED, W/WARRANTY $15,000 USD Used 2006 Cummins ISX15 Diesel Engine, fully tested and ready for installation. This engine has been inspected, run-tested, and verified to be in good operating condition prior to removal.... Warranty ConditionUsedHorse Power550 HPStock Number2154 MLS Number14222450CategoryEngines Last Updated3/4/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED- 2016 Cummins ISX15 Diesel Engine CPL4585, FULLY TESTED, W/WARRANTY $19,000 USD USED – 2016 Cummins ISX15 550HP Diesel Engine – CPL4585 – Fully Tested, Reliable Cummins ISX15 diesel engine removed from a running unit and fully tested prior to sale. This engine is in... Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2148 MLS Number14162555CategoryEngines Last Updated2/26/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos USED- 2016 Cummins ISX15 (CPL4585) Diesel Engine, Fully/Tested / Warranty $19,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2140 MLS Number14153942CategoryEngines Last Updated2/19/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED - 2016 Cummins ISX15 Diesel Engine | Fully Tested | Warranty $19,000 USD good running engine Warranty ConditionUsedCPL/ARR4588Horse Power600 HPStock Number2139 MLS Number14149947CategoryEngines Last Updated2/18/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos CUMMINS QST-30 Diesel Engine $35,995 USD Cummins QST-30 Engine CPL: 2640 HP: 1200 @ 1700rpm Good Running Takeout , ConditionUsedUsage4,400 HoursCPL/ARR2640Assembly Number00800004Horse Power1200 HPStock Number3584 MLS Number14134045CategoryEngines Last Updated2/10/2026 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED - 2015 Cummins ISX15 Engine (CPL3939) $19,000 USD USED GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2131 MLS Number14117086CategoryEngines Last Updated1/29/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2017 Cummins ISX15 Engine for a Kenworth W900 $18,500 USD THIS ENGINE WAS FULLY REBUILT AFTER 2-2-23 THATS WHEN THE HEAD WAS NEW AND THE BEARINGS AND TURBO ARE NEW. RAN GREAT COMES WITH ECM. TRUCK ONLY HAS 678K MILES TRUCK WAS WRECKED IN FEB.... ConditionUsedHorse Power560 HPFits To Make(s)KENWORTHFits To Model(s)W900Stock Number11392 MLS Number13478939CategoryEngines Last Updated12/25/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 10 Photos View 0 Videos 2020 Cummins X15 Engine for a Peterbilt 389 $25,000 USD COMPLETE WITH ECM COOLING WAS FULL NEW EGR COOLER 605 HP ConditionUsedUsage478,947 MilesHorse Power605 HPFits To Make(s)PETERBILTFits To Model(s)389Stock Number12092 MLS Number14018565CategoryEngines Last Updated12/17/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 11 Photos View 0 Videos 2019 Cummins X15 Engine for a Peterbilt 389 $19,500 USD RAN GREAT WITH ECM ConditionUsedUsage586,536 MilesHorse Power565 HPFits To Make(s)PETERBILTFits To Model(s)389Stock Number12033 MLS Number13971430CategoryEngines Last Updated11/27/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 9 Photos View 0 Videos 2023 Cummins X15 Engine for a Peterbilt 389 $30,000 USD COMPLETE TAKE OUT WITH ECM RAN GREAT NO DAMAGE NICE LOW MILES. ConditionUsedUsage200,170 MilesHorse Power565 HPFits To Make(s)PETERBILTFits To Model(s)389Stock Number11835 MLS Number13716685CategoryEngines Last Updated11/14/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 12 Photos View 0 Videos 2015 Cummins ISX15 Engine for a Peterbilt 389 $18,000 USD COMPLETE WITH ECM RAN GREAT ConditionUsedUsage676,177 MilesHorse Power550 HPFits To Make(s)PETERBILTFits To Model(s)389Stock Number11923 MLS Number13816104CategoryEngines Last Updated10/8/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 10 Photos View 0 Videos 2020 Cummins X15 Engine for a Peterbilt 389 $27,000 USD COMPLETE WITH TURBO AND ECM ECM IS OFF A 4343 CPL. ConditionUsedUsage150,000 MilesHorse Power565 HPFits To Make(s)PETERBILTFits To Model(s)389Stock Number11787 MLS Number13693583CategoryEngines Last Updated9/19/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 5 Photos View 0 Videos 2006 Cummins ISX Engine $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNINNG ENGINE Warranty ConditionUsedCPL/ARR8518Horse Power565 HPStock Number1298 MLS Number11646403CategoryEngines Last Updated9/11/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 1 Video 2012 Cummins QSX15 Engine $27,000 USD (INDUSTRIAL) 2012 Cummins QSX15 Industrial Diesel Engine (Tier 4 Interim), HP: 600 @ 1800 RPM, CPL 3350, Hours:1069, Service Model Name: QSX15 CM2250 ECF, Serial # 79569771, Market Name:... ConditionUsedCPL/ARR3350Horse Power600 HPEmission RatingTier 4 InterimPart NumberCPL 3350Stock Number006607 MLS Number13790095CategoryEngines Last Updated9/2/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2020 Cummins X15 Diesel Engine CPL 4343 565HP EPA17 $27,500 USD USED 2020 CUMMINS X15 DIESEL ENGINE FOR SALE ***NEW BEARINGS INSTALLED 7/20/25*** , 2020 , CUMMINS , X15 , CM2350 , 565HP , CPL4343 , S/N 80242953 ,... Warranty ConditionUsedCPL/ARR4343Assembly NumberCM2350Horse Power565 HPEmission RatingEPA 17Part NumberCPL 4343Stock NumberS2953EN MLS Number13727018CategoryEngines Last Updated9/2/2025 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2020 Cummins X15 Engine for a Peterbilt 389 $25,000 USD VERY CLEAN COMPLETE WITH ECM THIS TRUCK CAB WAS BURNED WE ARE GETTING MILES OFF ECM ConditionUsedUsage416,126 MilesHorse Power605 HPFits To Make(s)PETERBILTFits To Model(s)389Stock Number11048 MLS Number13244559CategoryEngines Last Updated7/22/2025 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 8 Photos View 1 Video 2019 Cummins X15 Engine 565HP EPA17 CM2350 CPL4343 $23,500 USD USED 2019 CUMMINS X15 DIESEL ENGINE ASSEMBLY FOR SALE , 2019 , CUMMINS , X15 , S/N 80232182 , CPL4343 , CM2350 , EPA 17 , 565HP , TESTED, INSPECTED... Warranty ConditionUsedCPL/ARR4343Assembly NumberCM2350Horse Power565 HPEmission RatingEPA 17Part NumberCPL4343Stock NumberS2182EN MLS Number13669587CategoryEngines Last Updated8/20/2025 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 1 Video 2021 Cummins X15 Engine 565HP CM2450 CPL 5479 $24,500 USD USED 2021 CUMMINS X15 DIESEL ENGINE , 2021 , CUMMINS , X15 , EPA21 , 565HP , S/N 80329533 , LOW MILES!!! , TESTED, INSPECTED, RUN TEST 6/19/25 - RUNS... Warranty ConditionUsedCPL/ARR5479Assembly NumberCM2450Horse Power565 HPEmission RatingEPA21Part NumberCPL 5479Stock NumberS9533EN MLS Number13656061CategoryEngines Last Updated7/26/2025 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 1 Video 2019 Cummins X15 Diesel Engine 565HP EPA17 $22,500 USD GOOD USED 2019 CUMMINS X15 DIESEL ENGINE ASSEMBLY, FOR SALE , 2019 , CUMMINS , X15 , CPL4343 , 565HP , LOW MILES!!!! , S/N 80168346 , CM2350 ,... Warranty ConditionUsedCPL/ARR4343Assembly NumberCM2350Horse Power565 HPEmission RatingEPA 17Part NumberCPL 4343Stock NumberS8346EN MLS Number13615258CategoryEngines Last Updated7/3/2025 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 19 Photos View 1 Video 1989 Cummins 6BT Engine, 255HP (73 HOURS) Contact for price (73 HOURS TEST RUN INTERNALLY INSPECTED) 1989 Cummins 6BT 5.9L Diesel Engine For Sale, 255HP @ 2100RPM, SO62125, CPL# 1165, B Series, 6BTA-5.9L, Engine Serial# 44357806, Stock #9228 OVER... Warranty ConditionUsedCPL/ARR1165Horse Power1165 HP MLS Number13611857CategoryEngines Last Updated6/2/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2015 Cummins ISX15 Engine $21,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2034 MLS Number13553072CategoryEngines Last Updated5/1/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info