Cummins B6.7 6 Cylinder 6.7 L Ultra Low Sulfur Diesel 220 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, Eaton Fuller EDCO-6F107A Automatic Transmission, 10000 lb Front Axle, 19000 lb Rears, 26000 lb GVWR, 11R22.5, Air Ride Suspension, 270 in Wheelbase, supreme 26 ft x 102 in Wide x 103 in High Body, Liftgate