View 0 Photos View 0 Videos 1980 Detroit 6-71 Engine for a Champion 740 Newly Listed $9,500 USD (USED) Detroit 6-71 Assembly#: VERIFY Serial#: VERIFY Horsepower: VERIFY COMPLETE ENGINE ASSEMBLY ONLY ConditionUsedAssembly NumberVERIFYFits To Make(s)ChampionFits To Model(s)740Stock Number26033934 MLS Number14517934CategoryEngines Last Updated8/1/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info