V8 6.7 L Diesel Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, Automatic Transmission, 7000 lb Front Axle, 12000 lb Rears, 16000 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Spring Suspension, 165 in Wheelbase, 12 ft x 92 in Bed