Volvo D13H455 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 455 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, 5449 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, ATO2612D Automated Transmission, 13200 lb Front Axle, 38000 lb Rears, Meritor MT-40-14X Drive Axles, 51200 lb GVWR, Air Ride Cab, 52 in High Rise Sleeper Cab, Bunk Beds, Thermo King Tripac Auxiliary Power Unit, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 224 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks