Dash shows 399,000 miles. ECM shows 708,000 miles. Detroit DD15 6 Cylinder 14.8 L Diesel 455 hp Engine, Requires Diesel Exhaust Fluid, Detroit DT12-DA-1650 12-Speed Automated Transmission, 13220 lb Front Axle, 40000 lb Rears, Detroit DA-RT-40.0-4 Drive Axles, 2.53:1 Axle Ratio, 53220 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, Aluminum Front Wheels, 275/80R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 228 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks. TRUCK HAS BEEN FULLY SERVICED. WILL COMPLETE ANNUAL INSPECTION UPON PURCHASE. DELIVERY AVAILABLE.Engine BrakeSleeper