Volvo D13M-455 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 455 hp Engine, 2017 US EPA Label, Requires Diesel Exhaust Fluid, 21790 Engine hrs, Engine Brake, Volvo ATO2612F Automated Transmission, 12350 lb Front Axle, 38000 lb Rears, Meritor MT-40-14X Drive Axles, 3.08:1 Axle Ratio, 50350 lb GVWR, Air Ride Cab, 77 in High Rise Sleeper Cab, Bunk Beds, 275/80R22.5, Air Ride Suspension, 234 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks