Cummins Diesel Engine, Requires Diesel Exhaust Fluid, Automatic Transmission, 49000 lb Front Axle, 49000 lb Rears, 8990 lb GVWR, 265/60R20 Front Tires, 265/60R20 Rear Tires, Spring Suspension, 152 in Wheelbase, 7 ft x 77 in Bed EMISSIONS SYSTEM HAS BEEN ALTERED