a lightweight plastic pick up truck box for use on street grade , light - duty pick - up trucks . it is another aspect of the present invention to provide a plastic pick up truck box with a light - duty truck dumping mechanism for pick - up trucks utilizing plastic molded truck box beds , with the tilting mechanism being used to dump the contents out of the pick - up truck box bed . another embodiment of the invention includes a double - folding tailgate / ramp which can be utilized to extend to the ground in order to allow for easy carrying and loading of a pick - up box . the combination of the plastic molded pick - up truck box bed having inserts therein with a hydraulic stanchion support and dumping mechanism yields a light - duty truck which can be used for dumping . although in its most simple form , a singular stanchion and hydraulic dumping mechanism may be utilized , more than one stanchion and hydraulic lifting mechanism may also be utilized .