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 6 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Cummins ISX15 4585 Recently Updated $10,505 USD ConditionUsedUsage62,000 MilesCPL/ARR4585Horse Power550 HPFits To Make(s)CUMMINSFits To Model(s)ISX15 4585Stock Number2587054 MLS Number14030275CategoryEngines Last Updated5/1/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ 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 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 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 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
View 4 Photos View 1 Video 2015 Cummins ISX15 Engine -USED- $19,500 USD GOOD USED RUNNING ENGINE Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2015 MLS Number13381721CategoryEngines Last Updated11/9/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2015 Cummins ISX15 Engine $19,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2008 MLS Number13351967CategoryEngines Last Updated1/21/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2015 Cummins ISX15 Engine $18,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2015 Cummins ISX15 Diesel Engine 550HP,Engine Serial # 79886282, Engine CPL 4584,Service Model Name;ISX15 CM2350 X101- Engine Configuration:... Warranty ConditionUsedCPL/ARR4584Horse Power550 HPPart NumberFCEXH0912XAUStock Number1871 MLS Number13063468CategoryEngines Last Updated8/21/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 2016 Cummins ISX15 Engine for a Peterbilt 389 $22,500 USD COMPLETE ENGINE WITH ECM IT HAD A NEW HEAD IN 2021 AND INJECTORS. NEW TURBO ACUATOR. OUT AND READY FOR SHIPPING ConditionUsedUsage609,798 MilesHorse Power550 HPFits To Make(s)PETERBILTFits To Model(s)389Stock Number9587 MLS Number12134119CategoryEngines Last Updated8/17/2024 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 4 Photos View 0 Videos 2015 Cummins ISX15 Engine $18,000 USD Good Running Engine, 550HP Warranty ConditionUsedCPL/ARR4588Horse Power550 HPStock Number1848 MLS Number12734634CategoryEngines Last Updated3/27/2024 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video 2014 Cummins ISX15 Engine $20,000 USD CORE EXCHANGE NEEDED. GOOD RUNNING ENGINE, EGR,PTOX,SCRC, WATCH THE VIDEO Warranty ConditionUsedUsage285 MilesCPL/ARR3939Horse Power550 HPL x W55 x 38Part NumberECEXH0912XAUWeight2964Stock Number98745 MLS Number11179993CategoryEngines Last Updated4/1/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video 2016 Cummins ISX15 Engine $20,000 USD GOOD RUNNER ENGINE Warranty ConditionUsedUsage220 MilesCPL/ARR4585Horse Power550 HPPart NumberSO42418Weight3500Stock Number13469 MLS Number11149284CategoryEngines Last Updated1/13/2022 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 1 Video 2004 CUMMINS ISX-15 SIGNATURED ENGINES 600 HP Contact for price USED 2004 ISX-15 SIGNATURE WITH 600 HP, COMPLETE ENGINE, TESTED, RUNNING GOOD ConditionUsedHorse Power600 HPStock Number169-0617191 - SN:60800062 MLS Number9827054CategoryEngines Last Updated12/11/2020 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 1 Video 2014 Cummins ISX15 Diesel Engine $17,500 USD (GOOD USED) 2014 Cummins ISX15-550 Diesel Engine (CM2350 x 101)(2013 EPA), CPL 3939, 550HP @ 2000RPM, 1850LBS @ 1200RPM, Serial # 79721999, E.C.S: EGR, PTOX, SCR, Market Name: ISX15 550,... ConditionUsedCPL/ARR3939Horse Power550 HPPart NumberCPL 3939Stock Number004373 MLS Number10011447CategoryEngines Last Updated12/9/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info