Cummins 6 Cylinder Diesel Engine, US EPA Label, Allison Transmission, 12350 lb Front Axle, 23000 lb Rears, 35350 lb GVWR, 11R22.5, Spring Suspension, 156 in Wheelbase, Godwin 10 ft Long x 4 ft 8 in High Steel Body, Electric Roll Tarp, Triple Tailgate Chutes