This Medium-Duty Self-Dumping Steel Hopper with Bumper Release automatically dumps when the bumper release contacts the side of the dumpster. The hopper returns to an upright and locked position automatically after it dumps. A cable that may be operated from the seat of the forklift to manually dump the hopper is also included, as well as a safety restraint, which should be properly secured to a forklift before dumping. (Length Dimension is measured at top of chute.)