Cummins ISB 6 Cylinder 6.7 L Ultra Low Sulfur Diesel 280 hp Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, Allison 2500 Automatic Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, 11R22.5, Spring Suspension, 271 in Wheelbase, Morgan 26 ft x 96 in Wide x 103 in High Body, Liftgate