The Benson Line of Frameless Dump Trailers is designed to handle aggregate, agricultural materials, hazardous waste and light scrap applications. Configurations can be tandem, spreads and tri-axle. The IWT model features aerodynamics, varied sheet thickness, easy clean up and the ability to display signage. It also features a 17-in. deep aluminum extruded sub frame. It is available in lengths from 22 to 42 ft. and widths from 96 to 102 in.