Used Utility Flatbed Trailer for sale. Features: 48 ft. flatbed trailer with Aluminum Head Board, Spare Tire Rack, Wood Nailing Strips, Sliding Strap Winches, and more. Hundreds of new and used trucks, trailers, and parts for sale at Coopersburg & Liberty Kenworth. Three convenient locations: Coopersburg, PA (near Allentown), Swedesboro, NJ (near Philadelphia), and TRP Parts (Pottstown, PA).