International 6 Cylinder Diesel Engine, Positive Air Shutoff, Automatic Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, 11R22.5, Air Ride Suspension, 252 in Wheelbase, Commercial Babcock 26 ft x 102 in Wide x 94 in High Body, Liftgate, Hour Meter Reads 16634