View 0 Photos View 0 Videos 1980 Detroit 6-71 Engine for a Champion 740 $9,500 USD (USED) Detroit 6-71 Warranty: As-Is No Warranty Assembly#: - Serial#: 6A337517 Horsepower: - CYLINDERS ARE SHOWING SOME WEAR ConditionUsedAssembly Number-Fits To Make(s)ChampionFits To Model(s)740Stock Number26033934 MLS Number14517934CategoryEngines Last Updated9/24/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info