Featured Item View 4 Photos View 0 Videos REBUILT 2007 Caterpillar C15 MXS Engine 550HP Tested Runner – Warranty Recently Updated $33,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power550 HPStock Number1186 MLS Number11420800CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 5 Photos View 0 Videos 2021 Caterpillar 3406E Engine $36,000 USD Engine Rebuilding 2020 Caterpillar 3406E, Hp:550 S#2WS CORE EXCHANGE NEEDED Warranty ConditionRemanufacturedPart Number9007640Weight3500Stock Number2035 MLS Number11079751CategoryEngines 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 Recently Updated $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 1 Video REMANUFACTURED - 2001 Caterpillar C15 6NZ REBUILT Engine 550HP Tested Runner – Warranty Recently Updated $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 2 Photos View 0 Videos REBUILT 2007 Cummins ISX Engine CPL8520 / 400HP (TESTED / WARRANTY / VIDEO) Recently Updated $29,850 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE, IN-FRAME KIT INCLUDE:New Seal, New Laners, New Pistons, New Rings, New Bearing, New Gasket Set AND New Cylinder Head, Refurnished Turbo. Warranty ConditionRemanufacturedCPL/ARR8520Horse Power400 HPPart NumberEPA MDEL;6CEXH0912XAJStock Number1249 MLS Number11568487CategoryEngines 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 REBUILT 2014 Cummins ISX15 Engine 450HP CPL3937 (TESTED / WARRANTY / VIDEO) Recently Updated $29,850 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. NEW CYLINDER HEAD, INFRAME KIT, BLOCK IS CUT Warranty ConditionRemanufacturedCPL/ARR3937Horse Power450 HPPart NumberDCEXH0912XATStock Number1285 MLS Number11619108CategoryEngines 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 REBUILT 2006 Cummins ISX 400ST Engine CPL8520 (TESTED / WARRANTY / VIDEO) Recently Updated $29,850 USD Core exchange needed, Goog Running engine Rebuilt head, new pistons, new liners, new seals Warranty ConditionRemanufacturedCPL/ARR8520Horse Power400 HPPart NumberD103004BB17Stock Number1268 MLS Number11584771CategoryEngines 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 REBUILT 2015 Cummins ISX15 Engine 550HP CPL4585 (TESTED / WARRANTY / VIDEO) Recently Updated $26,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedCPL/ARR4585Horse Power550 HPStock Number1276 MLS Number11604218CategoryEngines 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 REBUILT 2011 - 2016 Cummins ISX15 Engine 450HP Tested Runner – Warranty Recently Updated $28,000 USD GOOD RUNNING ENGINE. CORE IS NEEDED Warranty Quantity5ConditionRemanufacturedHorse Power450 HPStock Number1520 MLS Number12173436CategoryEngines 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 REBUILT 2012 Cummins ISX15 Engine 425 HP CPL3719 Tested Runner – Warranty Recently Updated $27,000 USD (REBUILD) 2012 CUMMISN ISX 425ST CPL:3719 used Engine Diesel Engine For Sale, @ Engine Serial#79586142, Stock# 1845, Engine is Test Run Inspected Internally. With Warranty! Many Engines in... Warranty ConditionRemanufacturedCPL/ARR3719Horse Power425 HPPart NumberCCEXH0912XAPStock Number1845 MLS Number12712955CategoryEngines 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 REBUILT 2015 Cummins ISX15 Engine 550HP Tested Runner – Warranty Recently Updated $27,000 USD (RIBUIILT) 2015 CUMMINS ISX15 SERIAL#***** 550HP used Engine Diesel @ Engine is Test Run Inspected Internally. With Warranty! Many Engines in Stock! Call 305-833-9956 Warranty ConditionRemanufacturedHorse Power550 HPStock Number1858 MLS Number12869272CategoryEngines 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 2002 Mack E7 Engine $17,550 USD NEW INFRAME, CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power427 HPWeight427Stock Number1142 MLS Number11407226CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2000 Mack E7 Engine $17,550 USD NEW INFRAME KIT, CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power350 HPStock Number1130 MLS Number11407253CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1997 Mack E7 Mechanical Engine $21,300 USD NEW INFRAME KIT, CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. Warranty ConditionRemanufacturedHorse Power460 HPStock Number1166 MLS Number11410122CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos REBUILT Cummins ISX15 550HP Diesel Engine – TESTED – WARRANTY – CPL MATCH AVAILABLE $31,350 USD This Cummins ISX15 550HP rebuilt diesel engine has been professionally rebuilt, inspected, and run tested to ensure dependable performance 🔧 Engine Details:, Model: Cummins ISX15 ,... Warranty ConditionRemanufacturedHorse Power550 HPStock Number2192 MLS Number14356335CategoryEngines Last Updated5/7/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Eaton Fuller RTLO18913A Transmission – Rebuilt 2026 – 13 Speed – Warranty $6,000 USD Eaton Fuller RTLO18913A – Rebuilt 2026 – 13 Speed – Warranty, Professionally rebuilt Eaton Fuller RTLO18913A 13-speed transmission, completed in 2026. This unit has been rebuilt using... ConditionRemanufacturedStock Number2185 MLS Number14330775CategoryTransmissions 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 REMANUFACTURED - Volvo I-Shift ATO2612D Transmission REMAN 12 Speed | Remack | Heavy Duty Truck $6,350 USD You are purchasing a Volvo I-Shift ATO2612D Automated Transmission (Remanufactured by REMACK)., This is a heavy-duty automated manual transmission commonly used in Volvo trucks, known for... ConditionRemanufacturedStock Number2182 MLS Number14321230CategoryTransmissions 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 CAT C12 460HP Engine – REBUILT – TESTED – GOOD RUNNER – 2005-2007 $21,000 USD Caterpillar C12 Diesel Engine – 460HP – Rebuilt Run Tested (2005–2007), This listing represents a Caterpillar C12 engine rated at approximately 460HP. This engine has been rebuilt and run... Warranty ConditionRemanufacturedHorse Power460 HPWill Fit Year(s)2005-2007Stock Number2173 MLS Number14274687CategoryEngines Last Updated4/2/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1999 REBUILT -Caterpillar 3406 2WS Engine $35,000 USD 1999 Caterpillar 3406E Diesel Engine, Jake Brakes, 2WS, 500HP. Warranty ConditionRemanufacturedHorse Power500 HPStock Number2116 MLS Number13700573CategoryEngines Last Updated3/25/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos REBUILT Eaton RTLO16913A Transmission $6,000 USD REBUILT – Eaton Fuller RTLO16913A 13-Speed Transmission, Heavy-duty Eaton Fuller RTLO16913A manual transmission professionally rebuilt and inspected prior to sale. This unit is clean,... ConditionRemanufacturedStock Number2149 MLS Number14165466CategoryTransmissions Last Updated2/26/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Rebuilt - 2009 Eaton-Fuller RTO16908LL Transmission $6,000 USD REBUILT – 2009 Eaton Fuller RTO16908LL 9-Speed Transmission, Heavy-duty Eaton Fuller RTO16908LL manual transmission professionally rebuilt and inspected prior to sale. Unit is clean and... ConditionRemanufacturedStock Number2147 MLS Number14160337CategoryTransmissions Last Updated2/24/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos SEMI-REBUILT - 2007 Detroit Series 60 14.0L Diesel Engine, FULLY TESTED, WARRANTY $20,000 USD Detroit Diesel Series 60 14.0L Engine – Semi Rebuilt, 🔧 SEMI-REBUILT UNIT – READY FOR INSTALLATION, This Detroit Diesel 14L engine has been partially rebuilt and inspected to ensure... Warranty ConditionRemanufacturedHorse Power515 HPStock Number2142 MLS Number14153946CategoryEngines 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 REBUILT 2002 Caterpillar C12 Engine $23,000 USD REBUILT ENGINE FOR SALE Warranty ConditionRemanufacturedHorse Power430 HPStock Number2126 MLS Number13869171CategoryEngines Last Updated10/6/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos REBUILT 2007 Detroit Series 60 14.0L DDEC V Engine $19,000 USD REBUILT GOOD ENGINE 2007 DDEC V / 515HP Warranty ConditionRemanufacturedHorse Power515 HPStock Number2124 MLS Number13869153CategoryEngines Last Updated10/6/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos REBUILT - 1994 Caterpillar 3406C Engine (MECHANIC) Tested Runner – Warranty $30,000 USD REBUILT GOOD RUNNING ENGINE Warranty ConditionRemanufacturedHorse Power425 HPStock Number2099 MLS Number13585076CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info