Cummins B6.7 6 Cylinder 6.7 L Diesel 260 hp Engine, 2021 US EPA Label, Requires Diesel Exhaust Fluid, 1597 Engine hrs, Engine Brake, Allison Automatic Transmission, 10000 lb Front Axle, 17000 lb Rears, 25995 lb GVWR, 11R22.5, Air Ride Suspension, 270 in Wheelbase, Utilimaster 26 ft x 102 in Wide x 107 in High Body, Liftgate