6 Cylinder Diesel Engine, Requires Diesel Exhaust Fluid, Automatic Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, 11R22.5 Front Tires, 295/75R22.5 Rear Tires, Spring Suspension, 275 in Wheelbase, Mickey 26 ft x 102 in Wide x 102 in High Body