View 10 Photos View 0 Videos USED 2003 - Caterpillar 3126 300HP Diesel Engine – Good Runner – Warranty $8,350 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 Updated7/6/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2006 Caterpillar C7 WAX Engine $10,250 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE Warranty ConditionUsedUsage135,000 MilesHorse Power250 HPPart Number267-5751Stock Number1256 MLS Number11571294CategoryEngines Last Updated7/6/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2007 Caterpillar C7 Engine $10,250 USD GOOD RUNNING ENGINE, CORE EXCHANGED IS NEEDED Warranty ConditionUsedHorse Power300 HPStock Number1801 MLS Number12638672CategoryEngines Last Updated7/6/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2007 Caterpillar C7 Engine $10,250 USD (GOOD USED/ RUN TESTED/ INSPECTED) 2007 Caterpillar C7 ACERT Diesel Engine Serial # WAX45042, Fully Inspected!! Visit OPTIMUM TRUCK PARTS for more information on this engine or any other... Warranty ConditionUsedHorse Power250 HPStock Number1829 MLS Number12677591CategoryEngines Last Updated7/6/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2006 Caterpillar C7 Engine $10,250 USD (USED) 2006 Caterpillar C-7 250HP AT Used Engine Diesel Engine For Sale, @ Engine Serial#WAX45042, Stock# 1857 FAMILY#*****, Engine is Test Run Inspected Internally. With Warranty! Many... Warranty ConditionUsedHorse Power250 HPPart NumberOEM:C01-00103-609Stock Number1857 MLS Number12867660CategoryEngines Last Updated7/6/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos USED - Caterpillar C7 / 70 Pin Engine, FULLY TESTED $10,250 USD good running engine Warranty ConditionUsedUsage104 MilesHorse Power330 HPStock Number2123 MLS Number13848618CategoryEngines Last Updated7/6/2026 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 $10,250 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 Updated7/6/2026 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 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 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 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