Cummins ISX 400ST 6 Cylinder 15 L Ultra Low Sulfur Diesel 400 hp Engine, 2009 US EPA Label, 15261 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller Manual Transmission, 13200 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 3.73:1 Axle Ratio, 53200 lb GVWR, Air Ride Cab, Mid Roof Sleeper Cab, Bunk Beds, Aluminum Wheels, 295/75R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 215 in Wheelbase, Air Sliding 5th Wheel