View 11 Photos View 0 Videos 2006 Cummins ISX CPL8518 565HP Engine – Strong Runner – Warranty Newly Listed $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 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 Updated3/30/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos NEW 2011 Cummins 3.9 Diesel Engine CPL 8039 – 125HP – 2011 – Industrial Engine $13,000 USD Cummins 3.9L Diesel Engine – 125HP – New – CPL 8039, Brand new Cummins 3.9L diesel engine, never installed or used. This engine is a reliable and efficient power unit commonly used in... Warranty ConditionNewCPL/ARR8039Horse Power125 HPStock Number2170 MLS Number14271672CategoryEngines Last Updated3/27/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 2020 Cummins X15 Engine RUN TESTED $21,000 USD 2020 Cummins X15 Diesel Engine – EPA20 – Run Tested, This listing represents a 2020 Cummins X15 diesel engine (EPA 2020 emissions), known for its performance, efficiency, and reliability in... Warranty ConditionUsedCPL/ARR5360Horse Power500 HPStock Number2168 MLS Number14268614CategoryEngines Last Updated3/26/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1987 Cummins Big Cam III Engine $12,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE ConditionUsedUsage310 MilesCPL/ARR0632Assembly Number093EHorse Power350 HPPart Number18762Weight3500Stock Number654 MLS Number11276887CategoryEngines Last Updated3/25/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
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 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 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 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 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 - 2002 Cummins N14 CELECT / CELECT PLUS Engine $17,000 USD NEW RINGS, NEW BEARING AND INSPECT CYLINDER HEAD. GOOD RUNNING ENGINE, Warranty ConditionUsedCPL/ARR2592Horse Power525 HPStock Number2134 MLS Number14117101CategoryEngines Last Updated1/29/2026 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 4 Photos View 0 Videos USED 2009 Cummins ISM Engine $12,500 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR2727Horse Power500 HPStock Number2127 MLS Number13870840CategoryEngines Last Updated10/7/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos NEW 2001 Cummins 6C 8.3 Engine "FULLY TESTED" "W/WARRANTY" $20,000 USD Cummins 6CTA8.3-D(M) Engine – CPL 2833, The Cummins 6CTA8.3-D(M) is a robust, 8.3-liter, 6-cylinder diesel engine known for its durability, fuel efficiency, and reliable performance in... Warranty Quantity4ConditionUsedCPL/ARR2833Horse Power260 HPPart Number3934780Stock Number2103 MLS Number13651589CategoryEngines Last Updated9/24/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos NEW 2017 Cummins ISL9 Engine "FULLY TESTED" " W/WARRANTY" $20,000 USD Cummins ISL8.9E5-280B – EURO 5 | CPL 4379, The Cummins ISL8.9E5-280B (Service Model: ISL9 CM2150 SN) is a high-performance, electronically controlled 8.9-liter diesel engine designed to... Warranty Quantity2ConditionUsedCPL/ARR4379Horse Power280 HPPart NumberCK90052Stock Number2104 MLS Number13651594CategoryEngines Last Updated9/22/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email 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 1 Photo View 0 Videos 2004 Cummins ISX CM870 Engine CPL8520 $14,000 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE THIS ENGINE COMES FROM AN INTERNATIONAL TRUCK Warranty ConditionUsedCPL/ARR8520Horse Power435 HPPart Number4088507Stock Number1238 MLS Number11549129CategoryEngines Last Updated9/11/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info