Featured Item View 4 Photos View 0 Videos REBUILT 2007 Caterpillar C15 MXS Engine 550HP Tested Runner – Warranty $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 9 Photos View 0 Videos USED CAT C7 250HP Engine – Good Running Takeout – Warranty $8,550 USD Caterpillar C7 – 250HP – Used – Good Running Takeout – Warranty, Reliable Caterpillar C7 diesel engine removed from a running unit and verified as a good running takeout prior to removal.... Warranty ConditionUsedHorse Power250 HPStock Number2195 MLS Number14373353CategoryEngines 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 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 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 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 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
View 2 Photos View 0 Videos 2005 Caterpillar C13 KCB Engine $16,000 USD (USED) 2005 CATERPILLAR C-13 430HP AT Used Engine Diesel @ Engine Serial#KCB50120, Stock# 1855, Engine is Test Run Inspected Internally. With Warranty! Many Engines in Stock! Call 305-833... Warranty ConditionUsedHorse Power430 HPStock Number1855 MLS Number12867648CategoryEngines Last Updated4/23/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar C13 KCB Engine $16,000 USD (USED) CATERPILLAR C-13 430HP AT Used Engine Diesel, @ Engine Serial# KCB54045, Stock# 1856, Engine is Test Run Inspected Internally. With Warranty! Many Engines in Stock! Call... Warranty ConditionUsedStock Number1556 MLS Number12867651CategoryEngines Last Updated4/23/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2004 Caterpillar C13 KCB Engine $16,000 USD GOOD USED CAT C-13 ENGINE FOR SALE. CALL US Warranty ConditionUsedHorse Power470 HPStock Number2003 MLS Number13327321CategoryEngines Last Updated4/23/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info