Mack AC 6 Cylinder 11.9 L Diesel 400 hp Engine, 2005 US EPA Label, Positive Air Shutoff, Engine Brake, Eaton Fuller Automatic Transmission, Double Differential Locks, 5602 kg Front Axle, 18144 lb Rears, 23746 kg GVWR, Air Ride Cab, 11R22.5, Air Ride Suspension, 220 in Wheelbase, PTO, 2005 Hamms 16670 L Steel Tank, 8 ft, Spray Bar, Rear Spray, Hour Meter Reads 26963