A mobile wood chipping system is disclosed. The mobile wood chipping system includes a trailer frame, a wood chipper and a dump box. The trailer frame includes at least one axle on which a set of wheels are mounted. The wood chipper, which is securely mounted on the trailer frame, includes a feeder horn and a discharge pipe. The dump box, which is pivotally mounted on the trailer frame, includes an open top and a door. The dump box can be moved between a horizontal position and a tilted position by a hydraulic piston attached to the trailer frame and dump box.