Uniquely designed steel hoppers automatically dump contents when bumper release contacts the side of the dumpster. Heavy gauge steel hopper returns to the upright, locked position automatically after dumping. Self dumping hopper includes 4'L cable to operate manually dump from fork truck seat. Include a safety restraint to secure hopper to forklift truck. Hoppers rotate approximately 68°. Durable powder coat finish. Leakproof hoppers are available upon request.