Cummins ISX15 15 L Ultra Low Sulfur Diesel 485 hp Engine, 2012 US EPA Label, Requires Diesel Exhaust Fluid, 20695.2 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO-16913A 13-Speed Manual Transmission, 12000 lb Front Axle, 38000 lb Rears, Spicer Drive Axles, 50000 lb GVWR, Air Ride Cab, 48 in Mid Roof Sleeper Cab, Aluminum Wheels, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 268 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks