Dumper(wagon tippler) is mainly used for unloading the bulk material such as coal, ore and coke which loaded in gondola car. There are types of single car, double car, triple car, four car dumper or tumble dumper, dropsied dumper, side detachable dumper and composite dumper.

When the gondola car is pushed onto the unloading platform, the dumper turns the car 15-170 degrees to make the material be removed completely. The dumper can be either manual or automatic operation, and even can achieve full range of automatic operation, which is easy and safe to operate, and owns high efficiency and high degree of automation. 

Dumper is mainly used in docks, ports and industry of metallurgy and coal.