6 Cylinder 6.7 L Diesel 240 hp Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, Automatic Transmission, 10000 lb Front Axle, 21000 lb Rears, 26000.0 lb GVWR, 295/75R22.5, Spring Suspension, 281 in Wheelbase, Supreme 26 ft x 102 in Wide x 97 in High Body, Liftgate