Volvo D13N-500 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 500 hp Engine, 2021 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Volvo ATO2612F 12-Speed Automated Transmission, 12350 lb Front Axle, 37478 lb Rears, Meritor MT-40-14X Drive Axles, 3.08:1 Axle Ratio, 49828 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, 295/75R22.5, Air Ride Suspension, 223 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks