Cummins X15 6 Cylinder Ultra Low Sulfur Diesel 450 hp Engine, Requires Diesel Exhaust Fluid, 16687 Engine hrs, Eaton Fuller FRO-16210C Automated Transmission, 12350 lb Front Axle, 40000 lb Rears, 52350 lb GVWR, Air Ride Cab, 72 in Mid Roof Sleeper Cab, Aluminum Wheels, 295/75R22.5, Air Ride Suspension, 228 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Dual Fuel Tanks