2012 Bennington twenty SLGreat family starter pontoon boat. The Yamaha 50HP 4 stroke motor pushes it along nicely. Wrap around seating and carpeted flooring makes this a nice little package for you. Contact for info for a viewing. Max HORSEPOWER: 70 horsepower Deck Length: 18 feet. 11 in. Deck Width: 8ft. 6 in. Weight: 1,600 pound. Capacity: nine persons; 1,197lb.; with 25 in. Tubes: eleven persons; 1,366 pound. Number of Tubes: two Fuel Capacity: 21.4 gal.