Abstract: A dumping insert for use with a truck. The dumping insert features a dumping body rotatably attached to a base. The base includes a pair of tracks mutually attached at one end by a forward brace and at the other by a rear brace. Springs urge the dumping body into retraction, and track outer wall slots in which traveler pins reciprocate prevent dumping body over-extension. A pulley arrangement is disclosed which increases dumping capacity, and a skirt is hingeadly attached to a rear of the dumping body which helps prevent access to the winch and cable area. Quick-install/removal features include forward brace arms attached at opposite ends of the forward brace, a dumping body downlock strap, low-friction glides attached to the tracks, and an upper hitch assembly attached to the base, a lower hitch assembly adjustably attached to the upper hitch assembly, and a receptacle for attachment to a truck.