The mining hydraulic excavator is suitable for open-pit mine operations. The bucket has a standard bucket capacity of not less than 4 watts. The turret is free to rotate within the 3600 range by hydraulic transmission, and the hydraulic arm drives the boom, stick, and bucket to activate the mineral. The periodic operations of digging, lifting, turning, and unloading do not need to move the body in any kind of operation cycle of the machine itself, and a self-propelled machine that can be displaced by a crawler type traveling mechanism.