Cummins 6 Cylinder 6.7 L Diesel Engine, US EPA Label, Requires Diesel Exhaust Fluid, Exhaust Brake, Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 19500 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Spring Suspension, 198 in Wheelbase, 11 ft 6 in x 93 in Bed