Cummins ISL9 6 Cylinder 8.9 L Ultra Low Sulfur Diesel 300 hp Engine, Requires Diesel Exhaust Fluid, 6491.3 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Allison 3000 6-Speed Automatic Transmission, 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 Front Tires, 295/75R22.5 Rear Tires, Airliner Air Ride Suspension, 280 in Wheelbase, 24 ft x 102 in Wide x 90 in High Body, Liftgate