Used Peterbilt 337 Roll-off for sale. Features: Power Locks and Windows, Heated Mirrors, ART 40-16 American Roll-off Body, Electric Tarper, Fenders, Single Frame, Toolbox, Air Ride Cab, Stainless Sun Visor, Chrome Bumper, and more. Visit Liberty Kenworth and Coopersburg Kenworth to see our HUGE inventory of new and new and used dump trucks, daycabs, sleepers, trailers, and more.