1989 VIKING 41 FT Convertible (Completely Refit!) This is a completely restored 1989 Viking 41 Convertible powered by Twin 485 hp 671 Detroit Diesels (both fully rebuilt one in 2008 the other in 2009 -both with less than 100 hours since rebuild)! Engine block heaters 480-gallon fuel tank 100-gallon water tank water heater. Diesel generator. Over 50K in restoration work! Boat is turnkey and ready to go. Owner is moving up.