Volvo D13N-455 6 Cylinder 12.8 L Diesel 455 hp Engine, 2021 US EPA Label, Requires Diesel Exhaust Fluid, Automatic Transmission, Differential Lock, 13200 lb Front Axle, 40000 lb Rears, Air Ride Cab, 70 in Condo Sleeper Cab, Sleeper Air Conditioner, Aluminum Wheels, 11R22.5, Air Ride Suspension, 222 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks