View 4 Photos View 0 Videos USED 2001 Mack E7 Engine 427HP Tested Runner – Video Available $13,500 USD GOOD RUNNING ENGINE, FULLY TESTED Warranty ConditionUsedHorse Power427 HPStock Number2121 MLS Number13823341CategoryEngines Last Updated6/17/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos USED 2007 Caterpillar C15 ACERT Engine 550HP Tested Runner – Warranty $17,500 USD GOOD RUNNER ENGINE 550HP, 90 DAYS WARRANTY, BLOCK, CRANKSHAFT AND CYLINDER HEAD. PARTS ONLY. Warranty ConditionUsedUsage400 MilesHorse Power550 HPStock Number9406 MLS Number11117185CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 1 Video USED 2006 Caterpillar C-15 Engine Double Turbo 550HP Tested Runner – Warranty $17,500 USD GOOD RUNNER ENGINE, 90 DAYS WARRANTY, BLOCK, CRANKSHAFT AND CYLINDER HEAD. PARTS ONLY. Warranty ConditionUsedUsage400 MilesHorse Power550 HPWill Fit Year(s)2005-2007Weight3500Stock Number3659 MLS Number11121151CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video REBUILT 2007 Caterpillar C15 MXS Engine 600HP Tested Runner – Warranty $34,000 USD (Rebuilt) 2007 Caterpillar C15 MXS Diesel Engine (TWIN TURBO) 1800 RPMs This engine comes with: New bearings, New gasket, New skirt, New rings, New head, New oil cooler Warranty ConditionRemanufacturedUsage450 MilesHorse Power600 HPWeight3500Stock Number96487 MLS Number11176261CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 1996 Caterpillar 3406B Engine 425HP Tested Runner – Warranty $19,780 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE (INTERCOOLER) Warranty ConditionUsedHorse Power425 HPStock Number1242 MLS Number11212848CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos USED 2007 Caterpillar C15 TWIN TURBO Engine 550HP Tested Runner – Warranty $18,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedUsage375 MilesHorse Power550 HPL x W65 x 63Weight3500Stock Number9547 MLS Number11276403CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty Quantity2ConditionUsedHorse Power550 HPStock Number1262 MLS Number11574388CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos USED 2011 Caterpillar C15 ACERT Engine 550HP Tested Runner – Warranty $17,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power550 HPStock Number1329 MLS Number11715835CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty Warranty ConditionUsedHorse Power550 HPStock Number1426 MLS Number11975027CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 1991 Caterpillar 3406B Engine & 3406C 425HP Tested Runner – Warranty $19,780 USD GOOD RUNNING ENGINE, CORE EXCHANGE NEEDED Dismantled From: FREIGHTLINER Warranty ConditionUsedHorse Power425 HPStock Number1505 MLS Number12102171CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 1 Video USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD GOOD USED ENGINE, CALL FOR INFO. Warranty ConditionUsedHorse Power550 HPStock Number2017 MLS Number13388948CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video REMANUFACTURED - 2001 Caterpillar C15 6NZ REBUILT Engine 550HP Tested Runner – Warranty $35,000 USD Rebuilt 2001 Caterpillar C15 6NZ Diesel Engine For Sale with Jake Brakes, 550HP, SINGLE TURBO, 6 Cylinders, 15.2L, 70-PIN, Engine Serial# 6NZ***, Stock# 2424 Warranty ConditionRemanufacturedHorse Power550 HPStock Number2029 MLS Number13506484CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED - 2001 Caterpillar C15 6NZ Engine 550HP Tested Runner – Warranty $30,000 USD Good running engine Warranty Quantity2ConditionUsedHorse Power550 HPStock Number2129 MLS Number13978405CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED - 2009 Caterpillar C15 SDP Engine 550HP Tested Runner – Warranty $20,000 USD NEW BEARING, NEW PISTON RINGS, NEW LINERS AND INSPECT CYLINDER HEAD. GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power550 HPStock Number2135 MLS Number14117103CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2012 Cummins ISX15 Engine 450HP /CPL3719 Tested Runner – Warranty $22,000 USD CORE EXCHANGE NEEDED 2012 Cummins ISX 15 used diesel engine for sale .450 HP, CPL 3719, tested and inspected with 45 days warranty. BLOCK, CRANKSHAFT AND CYLINDER HEAD. Warranty ConditionUsedUsage400 MilesCPL/ARR3719Horse Power450 HPWeight3500Stock Number26587 MLS Number11086686CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos USED 2006 Cummins ISX15 ENGINE CPL 8518 / 500HP Tested Runner – Warranty $14,000 USD 2006 CUMMINS ISX 2009 Cummins ISx used diesel engine for sale . 565 HP, CPL 8518 Warranty ConditionUsedCPL/ARR8518Horse Power550 HPL x W50 x 17Weight3500Stock Number36589 MLS Number11086690CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video USED 2016 Cummins ISX15 Engine 550HP / CPL4585 (TESTED / WARRANTY / VIDEO) $20,000 USD GOOD RUNNER ENGINE Warranty ConditionUsedUsage220 MilesCPL/ARR4585Horse Power550 HPPart NumberSO42418Weight3500Stock Number13469 MLS Number11149284CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2007 Cummins ISX Engine 450HP / CPL8520 (TESTED / WARRANTY / VIDEO) $12,000 USD core exchange needed, GOOD RUNNING ENGINE Warranty ConditionUsedUsage350 MilesCPL/ARR8520Horse Power450 HPWeight3500Stock Number65874 MLS Number11165259CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video USED 2014 Cummins ISX15 Engine 550HP / CPL3939 (TESTED / WARRANTY / VIDEO) $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 Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos USED 2009 Cummins ISX Engine 425HP / CPL2732 (TESTED / WARRANTY / VIDEO) $14,000 USD CORE EXCHANGE NEEDED, USED 2009 CUMMINS ISX ENGINE, EGR, DPF MODEL, CPL 2732, S/N 79401035, FAMILY# 9CEXH0912XAK, 425HP, 375K MILES, TESTED AND INSPECTED, Warranty ConditionUsedUsage375 MilesCPL/ARR2732Horse Power425 HPPart Number21226431Stock Number97132 MLS Number11204991CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos USED 1999 Cummins ISM 330 Engine CPL2607 (TESTED / WARRANTY / VIDEO) $7,500 USD CORE EXCHANGE IS NEEDED ! GOOD RUNNING ENGINE Warranty ConditionUsedUsage175 MilesCPL/ARR2607Horse Power330 HPWeight2750Stock Number13987 MLS Number11263254CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2009 Cummins ISX 2732 Engine 435HP Tested Runner – Warranty $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedUsage225 MilesCPL/ARR2732Horse Power435 HPL x W65 x 63Part Number9CEXH0812XAKWeight3500Stock Number2175 MLS Number11271658CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos USED 2007 Cummins ISX Engine 435HP / CPL2732 Tested Runner – Warranty $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty Quantity3ConditionUsedCPL/ARR2732Horse Power435 HPPart NumberD28E7117Weight3500Stock Number6478 MLS Number11379298CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos USED 2015 Cummins ISX CM870 Engine CPL8520 / 450HP Tested Runner – Warranty $12,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR8520Horse Power450 HPPart NumberSO1680Stock Number1233 MLS Number11548571CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos USED 2004 Cummins ISX CM870 Engine 400HP CPL8520 Tested Runner – Warranty $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE, HAS NEW HEAD Warranty ConditionUsedCPL/ARR8520Horse Power400 HPPart NumberSO34110Stock Number1234 MLS Number11548597CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info