Volvo D13 6 Cylinder Ultra Low Sulfur Diesel 425 hp Engine, Requires Diesel Exhaust Fluid, 16876.8 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Volvo ATO2612F 12-Speed Automated Transmission, 13200 lb Front Axle, 38000 lb Rears, 2.64:1 Axle Ratio, 51200 lb GVWR, Air Ride Cab, 61 in Mid Roof Sleeper Cab, Mixed, 295/75R22.5, Air Ride Suspension, 222 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks