Cat C15 6 Cylinder Ultra Low Sulfur Diesel 435 hp Engine, 54454.2 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO16610B 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 3.55:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 70 in Mid Roof Sleeper Cab, Aluminum Wheels, 295/75R22.5, Airliner Air Ride Suspension, 240 in Wheelbase, PTO, Air Sliding 5th Wheel, Dual Fuel Tanks