0 0 USED - 2002 Caterpillar C15 6NZ Engine $25,000 USD (USED) 2002 CATERPILLAR C-15 SERIES 550HP AT Used Engine Diesel Engine For Sale, @ Engine Serial# 6NZ67550, Stock# 1850 FAMILY#8CPXH0928EIX, Engine is Test Run Inspected Internally. With... Warranty ConditionUsedHorse Power550 HPStock Number1850 MLS Number12760635CategoryEngines Last Updated7/16/2025 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info