View 5 Photos View 0 Videos 1985 Cummins Big Cam IV Engine $12,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR625Horse Power400 HPStock Number1524 MLS Number12239286CategoryEngines Last Updated3/25/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos USED 1985 Cummins Big Cam III Engine for 1985-1987 High Flow – 400HP – Mechanical Diesel $12,000 USD Cummins Big Cam III High Flow diesel engine in good used condition. Mechanical engine known for durability and easy maintenance. Approximate year range 1985–1987. Rated at approximately... Warranty ConditionUsedHorse Power400 HPWill Fit Year(s)1985-1987Stock Number2166 MLS Number14257087CategoryEngines 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 1989 Cummins Big Cam III Engine $12,000 USD GOO RUNNING ENGINE Warranty ConditionUsedHorse Power350 HPStock Number1534 MLS Number12336243CategoryEngines 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 1983 Cummins Big Cam III Engine $12,000 USD GOOD RUNNING ENGINE, CORE EXCHANGED IS NEEDED Warranty ConditionUsedCPL/ARR632FF-101-105Horse Power400 HPFits To Model(s)FD350BC3Part NumberDR209-RXStock Number1881 MLS Number12633358CategoryEngines Last Updated3/25/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1988 Cummins Big Cam IV Engine $12,000 USD (USED) 1988 CUMMINS Big Cam IV ***HP AT Used Engine Diesel Engine For Sale, @ Engine Serial# *****, Stock# 1856 FAMILY#*****, Engine is Test Run Inspected Internally. With Warranty! Many... Warranty ConditionUsedHorse Power400 HPStock Number1856 MLS Number12867657CategoryEngines Last Updated3/25/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1986 Cummins Big Cam III Engine $12,000 USD (USED) 1986 CUMMINS Big Cam IV 400HP AT Used Engine Diesel Engine For Sale, @ Engine Serial# 11236141, Stock# 1856 FAMILY#*****, Engine is Test Run Inspected Internally. With Warranty!... Warranty ConditionUsedHorse Power400 HPStock Number1858 MLS Number12869287CategoryEngines Last Updated3/25/2026 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 7 Photos View 0 Videos 2001 CAT C15 6NZ 550HP Engine – USED– New Turbo & Manifold – Warranty $30,000 USD Caterpillar C15 6NZ – 550HP – Semi-Rebuilt – Fully Tested – Warranty, Reliable Caterpillar C15 6NZ diesel engine professionally USED and fully inspected prior to sale. This engine is known... Warranty ConditionUsedHorse Power550 HPStock Number2163 MLS Number14250384CategoryEngines Last Updated3/20/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos USED 2006 Cummins ISX Engine 475HP CPL 8520 – Fully Tested – Warranty $13,000 USD Cummins ISX – 475HP – Used – Fully Tested – Warranty, Reliable Cummins ISX diesel engine removed from a running unit and fully inspected prior to sale. This 475 HP engine with CPL 8520 is... Warranty ConditionUsedCPL/ARR8520Horse Power475 HPStock Number2165 MLS Number14256886CategoryEngines Last Updated3/20/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos USED 2007 Mercedes OM460LA / Detroit MBE4000 Engine 450HP – Fully Tested – Warranty $13,000 USD USED 2007 Mercedes OM460LA / Detroit MBE4000 Engine 450HP – Fully Tested – Warranty 📄 Descripción, Mercedes-Benz OM460LA – 450HP – Used – Fully Tested – Warranty, Reliable Mercedes-Benz... Warranty ConditionUsedHorse Power450 HPStock Number2164 MLS Number14255445CategoryEngines Last Updated3/19/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos USED- 2001 Caterpillar 3406E Engine $30,000 USD GOOD RUNNING ENGINE. CORE EXCHANGE NEEDED Warranty ConditionUsedHorse Power550 HPPart NumberTRACKING:37520495Stock Number1807 MLS Number12644497CategoryEngines Last Updated3/19/2026 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 1 Video USED 2004 Mercedes-Benz OM460LA Engine, FULLY TESTED, W/WARRANTY $12,000 USD Mercedes-Benz OM460 LA Diesel Engine – 450HP – 12.8L – Used – Tested – Warranty, Heavy-duty Mercedes-Benz OM460 LA diesel engine removed from a running unit and inspected/tested prior to... Warranty ConditionUsedHorse Power460 HPStock Number2155 MLS Number14222849CategoryEngines Last Updated3/12/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 1 Video USED- 2002 Caterpillar C12 Engine, FULLY TESTED, W/WARRANTY $13,000 USD 2002 Caterpillar C12 Engine – Used – Fully Tested – Warranty, Reliable heavy-duty Caterpillar C12 diesel engine removed from a running unit and fully tested prior to sale. Engine is in good... Warranty ConditionUsedHorse Power430 HPStock Number2145 MLS Number14158746CategoryEngines Last Updated3/12/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2013 Detroit DD13 (927) DIESEL ENGINE Engine $17,000 USD GOOD RUNNING ENGINE, CORE EXCHANGE NEEDED Warranty ConditionUsedAssembly NumberClass 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)Horse Power506 HPStock Number1826 MLS Number12677010CategoryEngines Last Updated3/12/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2013 Detroit DD13 (903) DIESEL ENGINE Engine $17,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2013 Detroit DD13 Diesel Engine (10EPA), Serial #471903S0076247, Fully Inspected!!! LOW MILES!!! RUNS GREAT!!!, visit OPTIMUM TRUCK PARTS WEBSITE... Warranty ConditionUsedStock Number1827 MLS Number12677093CategoryEngines Last Updated3/12/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 1 Video USED- 2012 Detroit DD13 Engine, FULLY TESTED, W/WARRANTY $17,000 USD Detroit Diesel DD13 Engine – 500 HP – Complete Takeout Engine, Engine Specifications, Manufacturer: Detroit Diesel Model: DD13 Engine Family: CD0XH12.8F Displacement: 12.8... Warranty ConditionUsedHorse Power500 HPPart NumberEngine Family: CD0XH12.8FStock Number2159 MLS Number14240410CategoryEngines Last Updated3/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos REBUILT - Mack E7-460 Engine FULLY TESTED, W/WARRANTY $21,500 USD Mack E7-460 Diesel Engine – Rebuilt – Fully Tested – Warranty, Heavy-duty Mack E7-460 diesel engine professionally rebuilt and fully tested prior to sale. This engine is known for its... Warranty ConditionUsedHorse Power460 HPStock Number2158 MLS Number14234546CategoryEngines Last Updated5/23/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos USED-Detroit DT12A-OD Transmission for 2015-2021, TESTED $4,000 USD Detroit DT12A-OD Automated Transmission – 12 Speed – Used, Heavy-duty Detroit DT12A-OD automated transmission removed from a running unit and inspected prior to sale. This transmission is... ConditionUsedWill Fit Year(s)2015-2021Part NumberDTNA: C07-00032-040Stock Number2157 MLS Number14227085CategoryTransmissions Last Updated3/6/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos USED-2005 Caterpillar C7 ACERT Engine, FULLY TESTED, W/WARRANTY $10,000 USD 2005 Caterpillar C7 ACERT Diesel Engine – 330HP – Used – Fully Tested – Warranty, Reliable Caterpillar C7 ACERT diesel engine removed from a running unit and fully tested prior to sale.... Warranty ConditionUsedHorse Power330 HPStock Number2156 MLS Number14225464CategoryEngines Last Updated3/10/2026 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 Mercedes-Benz OM460LA EGR Engine $15,000 USD USED MECEDES ENGINE GOOD RUNNING. CALL US Warranty ConditionUsedHorse Power460 HPStock Number2130 MLS Number14117081CategoryEngines 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- 2007 Mercedes-Benz OM 460 Diesel Engine . Fully Tested $15,000 USD Used- Mercedes Engine, Fully Tested 450HP, W/Warranty Warranty ConditionUsedHorse Power450 HPWeight3000Stock Number2119 MLS Number13765813CategoryEngines 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- 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 6 Photos View 0 Videos USED - 2007 Cummins ISM Engine for 2007-2010 FULLY TESTED, W/WARRANTY $13,000 USD Optimum Truck Parts offers this 2007 Cummins ISM diesel engine professionally inspected and run-tested prior to shipment. This engine is a strong, reliable option for heavy-duty applications... Warranty ConditionUsedCPL/ARR2727Horse Power500 HPWill Fit Year(s)2007-2010Stock Number2151 MLS Number14167626CategoryEngines Last Updated2/27/2026 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