View 4 Photos View 0 Videos USED 2012 Cummins ISX12 Engine C9L3438 / 425HP Tested Runner – Warranty $27,000 USD (USED) 2012 CUMMINS ISX12 SERIAL#75010774 @ 425HP @ CPL:3438 ** used Engine Diesel @ Engine is Test Run Inspected Internally. With Warranty! Many Engines in Stock! Call 305-833-9956 Warranty ConditionUsedCPL/ARR3438Horse Power425 HPStock Number1860 MLS Number12910793CategoryEngines 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 2011 Cummins ISX15 Engine 500HP CPL3491 Tested Runner – Warranty $18,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2011 Cummins ISX15 Diesel Engine 500HP,Engine Serial # 79449229, Engine CPL 3491,Service Model Name;ISX15 CM2250 - Engine Configuration: D103009BB19,... Warranty ConditionUsedCPL/ARR3491Horse Power500 HPPart NumberEPA MODEL; ACEXH0912XAQStock Number1870 MLS Number13063411CategoryEngines 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 2015 Cummins ISX15 Engine 550HP CPL4584 Tested Runner – Warranty $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 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 Cummins ISX Engine 550HP Tested Runner – Warranty $15,000 USD Description:(GOOD USED/ RUN TESTED/ FULLY INSPECTED) for sale!!!!!, For more information contact us 305-833-9956 Warranty ConditionUsedHorse Power500 HPPart NumberEPA2008Stock Number1884 MLS Number13131539CategoryEngines 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 2015 Cummins ISX15 Engine 550HP Tested Runner – Warranty $19,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2008 MLS Number13351967CategoryEngines 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 2015 Cummins ISX15 Engine -USED-550HP Tested Runner – Warranty $19,500 USD GOOD USED RUNNING ENGINE Warranty ConditionUsedCPL/ARR3939Horse Power550 HPStock Number2015 MLS Number13381721CategoryEngines 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 2015 Cummins ISX15 Engine 550HP Tested Runner – Warranty $21,000 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR4585Horse Power550 HPStock Number2034 MLS Number13553072CategoryEngines 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 ISM Engine 500HP Tested Runner – Warranty $12,500 USD GOOD RUNNING ENGINE Warranty ConditionUsedCPL/ARR2727Horse Power500 HPStock Number2127 MLS Number13870840CategoryEngines 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 Caterpillar 3406C REBUILT Engine Tested Runner – Warranty $30,000 USD REBUILT CAT ENGINE 3406C /ARR:128-7032 Warranty ConditionUsedHorse Power587 HPStock Number2012 MLS Number13372812CategoryEngines 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 1992 Mack E7 SEMI-Mechanical Engine 460HP Tested Runner – Warranty - VIDEO $12,350 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedHorse Power460 HPStock Number1157 MLS Number11409872CategoryEngines Last Updated6/17/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Used 1999 Detroit Diesel Series 60 12.7L DDEC IV Engine – 470HP – Tested Runner – Warranty $13,350 USD 🔧 Used 1999 Detroit Diesel Series 60 12.7L Engine – 470HP – Tested Runner – Warranty, Legendary Detroit Series 60 Performance, Available for sale is a 1999 Detroit Diesel Series 60 12.7L... Warranty ConditionUsedHorse Power470 HPStock Number2203 MLS Number14419928CategoryEngines Last Updated6/11/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1999 Mack E7 Engine Electronic / PASSENGER SIDE MOUNTED ECM $13,500 USD CORE EXCHANGE NEEDED,(GOOD USED) 1999 Mack EM7-355-380, HOLE SPEED650 Diesel Engine For Sale, PASSENGER SIDE MOUNTED ECM, Quantity2ConditionUsedUsage225 MilesHorse Power355 HPPart NumberXMKX11.9E54Stock Number96547 MLS Number11204995CategoryEngines 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 USED- 2007 Mack MP8-445C DIESEL Engine, FULLY TESTED, W/WARRANTY $13,500 USD GOOD RUNNIG ENGINE Warranty ConditionUsedHorse Power445 HPPart Number7VPTHI2.8H02Stock Number2136 MLS Number14149425CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 1999 USED - Mack E7 Diesel Engine, Passengue side ECM, FULLY TESTED, W/WARRANTY $13,500 USD USED – 1999 Mack E7 460HP Diesel Engine – Fully Tested – Warranty, Reliable Mack E7 460HP diesel engine removed from a running unit and fully tested prior to sale. This engine is in good... Warranty ConditionUsedHorse Power460 HPStock Number2146 MLS Number14160317CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 1 Video USED Mack E6 Mechanical Engine for 1990-1998 FULLY TESTED, W/WARRANTY $13,500 USD Mack E6 Mechanical Diesel Engine – Used, Reliable Mack E6 mechanical diesel engine in good used condition. This engine is known for its durability, simplicity, and ease of maintenance,... Warranty ConditionUsedHorse Power375 HPWill Fit Year(s)1990-1998Stock Number2167 MLS Number14257485CategoryEngines Last Updated6/9/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos USED 1994 CAT 3406C 425HP Engine – Tested Runner – Warranty $18,780 USD Caterpillar 3406C – 425HP – Mechanical – Used – Tested Runner – Warranty, Reliable Caterpillar 3406C diesel engine removed from a running unit and verified as a tested runner prior to... Warranty ConditionUsedHorse Power425 HPStock Number2199 MLS Number14386007CategoryEngines Last Updated5/22/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos USED 2003 - Caterpillar 3126 300HP Diesel Engine – Good Runner – Warranty $8,250 USD Caterpillar 3126 – 300HP – Used – Tested Runner – Warranty, Reliable Caterpillar 3126 diesel engine removed from a running unit and verified as a tested runner prior to removal. Engine is... Warranty ConditionUsedHorse Power300 HPStock Number2198 MLS Number14380765CategoryEngines Last Updated5/20/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 1996 USED Cummins M11 Celect Plus 330HP Engine CPL2037 – Tested Runner – Warranty $8,500 USD Cummins M11 Celect Plus – 330HP – CPL 2037 – Used – Tested Runner – Warranty, Reliable Cummins M11 Celect Plus diesel engine removed from a running unit and verified as a tested runner... Warranty ConditionUsedCPL/ARR2037Horse Power330 HPStock Number2197 MLS Number14377820CategoryEngines Last Updated5/19/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2012 USED Cummins ISX15 CPL3491 550HP Engine – Tested Runner – Warranty $18,970 USD Cummins ISX15 – 550HP – CPL 3491 – Used – Tested Runner – Warranty, Reliable Cummins ISX15 diesel engine removed from a running unit and verified as a tested runner prior to removal. This... Warranty ConditionUsedCPL/ARR3491Horse Power550 HPStock Number2194 MLS Number14373324CategoryEngines Last Updated5/15/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1994 Cummins 6CT 8.3 Engine for 1994-1996 COMMERCIAL TRUCK $8,500 USD 1994 CUMMINS 6C8.3 Engine CPL:1563, HP:210 ENGINE CONFIGURATION:D413024BX02 LOW MILES, GOOD RUNNER ENGINE, 60 DAYS WARRANTY, BLOCK, CRANKSHAFT AND CYLINDER HEAD. PARTS ONLY. Warranty Quantity2ConditionUsedCPL/ARR1563Horse Power210 HPFits To EquipmentCOMMERCIAL TRUCKFits To Make(s)CUMMINSWill Fit Year(s)1994-1996Weight3500Stock NumberS074723 MLS Number11086610CategoryEngines Last Updated5/12/2026 LocationMEDLEY, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video 1994 Cummins 6CT 8.3 Engine $8,500 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE. WATCH VIDEO Warranty ConditionUsedHorse Power275 HPStock Number1219 MLS Number11529172CategoryEngines Last Updated5/12/2026 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 USED CAT 3126 300HP Diesel Engine – RUN TESTED – GOOD RUNNER – READY TO SHIP – WARRANTY $8,000 USD This Caterpillar 3126 300HP diesel engine has been run tested and inspected to ensure proper performance. It is a good running takeout engine, ready for installation We specialize in... Warranty ConditionUsedHorse Power300 HPStock Number2191 MLS Number14353785CategoryEngines Last Updated5/6/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos USED 1988 CAT 3406C 425HP Engine – Tested Runner – Warranty $18,780 USD Caterpillar 3406C – 425HP – Mechanical – Used – Tested Runner – Warranty, Reliable Caterpillar 3406C diesel engine removed from a running unit and verified as a tested runner prior to... Warranty ConditionUsedHorse Power425 HPStock Number2189 MLS Number14345370CategoryEngines Last Updated5/1/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos USED Caterpillar C13 ACERT 475HP Engine – Strong Runner – Warranty $14,000 USD Caterpillar C13 ACERT – 475HP – Used – Good Running Takeout – Warranty, Reliable Caterpillar C13 ACERT diesel engine removed from a running unit and verified as a good running takeout prior... Warranty ConditionUsedHorse Power475 HPStock Number2188 MLS Number14339215CategoryEngines Last Updated5/1/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info