Mack MP8 6 Cylinder 12.8 L Diesel 505 hp Engine, 2017 US EPA Label, M Drive Automatic Transmission, Double Differential Locks, 5988 kg Front Axle, 18144 kg Rears, 24132 kg GVWR, 56 in Mid Roof Sleeper Cab, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 230 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks, Hour Meter Reads 13863