DUMP TRUCK WITH SLIDING LOADING BOX

A dump truck having a sliding loading box is provided to readily load/unload products in/from the sliding loading box by slightly inclining the sliding loading box when loading/unloading the products. A dump truck comprises a frame(10) having a sliding rail and a sliding cylinder hinged to one side of the frame. A loading box(20) is slidably installed on the frame such that a front end of the loading box is hinged to a rod of the sliding cylinder and a roller is provided at a lower portion of the loading box. A dumping cylinder is provided to rotate the loading box. Pressurized oil is fed into the sliding cylinder and the dumping cylinder from a hydraulic pump. An outrigger frame is coupled to a side of the sliding cylinder and an outrigger slider is provided in the outrigger frame. An outrigger cylinder is connected to the outrigger slider and the outrigger frame.