6.7 L Diesel Engine, 18326 Engine hrs, Automatic Transmission, 6000 lb Front Axle, 14706 lb Rears, 19500 lb GVWR, 225/70R19.5, Spring Suspension, 186 in Wheelbase, 5975 lb Capacity, Center Mounted, 6 ft 7 in - 28 ft 8 in 4 Section Boom, Dual Controls, Out and Down Outriggers, 6 ft x 90 in Bed