Cummins ISB 6 Cylinder 6.7 L Ultra Low Sulfur Diesel 240 hp Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, 7839 Engine hrs, Air Conditioner, Cruise Control, Allison Automatic Transmission, 10000 lb Front Axle, 17500 lb Rears, 25999 lb GVWR, Air Ride Cab, 11R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 254 in Wheelbase, Smyrna 26 ft x 102 in Wide x 102 in High Body, Liftgate