8GF1XS V8 6.6 L Diesel 300 hp Engine, 2004 US EPA Label, Requires Diesel Exhaust Fluid, Allison Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 17500 lb GVWR, 245/70R19.5, Spring Suspension, 194 in Wheelbase, 12 ft 7 in x 96 in Bed, Pintle Hitch