Cummins L9 6 Cylinder 8.9 L Diesel 270 hp Engine, 2009 US EPA Label, 5034 Engine hrs, Allison Automatic Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, 11R22.5, Air Ride Suspension, 270 in Wheelbase, Supreme 28 ft x 102 in Wide x 97 in High Body