LUEN end dump semi trailer high tipping speed is further accelerated by a switchable quick lowering mechanism.Filling the dumping semi-trailer is made easy by its low loading edge, and tipping is also child's play due to a low dumping edge. A shortened overhang makes the dump semi trailer suitable for finishers. end dump semi trailer unloads by lifting its dump box into the air and dumping from the rear. Often made of aluminum, end semi dumps trailer typically have higher sides than belly and side dumps, which give them greater capacity to handle larger loads and rough materials for greater payloads.