Cummins ISL9 8.9 L Diesel 300 hp Engine, 2014 US EPA Label, Requires Diesel Exhaust Fluid, Engine Coolant Heater, 5596.5 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Allison 3000 Automatic Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 5.29:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, Aluminum Front Wheels, 295/75R22.5, Airliner Air Ride Suspension, 246 in Wheelbase, 24 ft x 102 in Bed, Liftgate