Jinggong hydraulic excavator a self-propelled excavator that uses a single bucket to dig soil or ore. Composed of working device, turntable and walking device.

During operation, the bucket digs a full bucket and then turns to the unloading point to unload the soil, and the empty bucket returns to the excavation point for periodic operations. It is widely used in housing construction, road construction, hydropower construction, farmland reconstruction and military engineering, as well as open-pit mines, open-air warehouses and mining yards.