Cummins 6 Cylinder 6.7 L Diesel Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, Exhaust Brake, Automatic Transmission, 7000 kg Front Axle, 13500 lb Rears, 19500 lb GVWR, 225/70R19.5, Spring Suspension, 170 in Wheelbase, 12 ft 5 in x 96 in Bed, Aluminum/Steel Combination Frame, Fuel Tank w/Pump