... , 3 Bladed, 8" Diameter Capacity CE certificate, high Standard Features Trailer Mounted Wood chipper, complete automatic hydraulic feeding roller, 3 Bladed ... , easy discharge hood, 2" Ball Hitch & Safety Chains and leaf spring on the axle.Reversible stationary and rotor knives double time ... hot sale, competetive price , superior quality , WS-40A wood chipper trailer