Krupp Digging Machine is a rare digging machine and it is known as one of the most effective mine machine in the world. Beside used as digging machine, it is sometimes functioned as trencher and rotating shovel. It is in an open air coal mine in Germany .It stands 95 meters high, stretches 215 meters long which is almost 2.5 football fields in length and weights 45,500 tons. The designing and manufacturing took 5 years and the total cost was $100,000,000. Maximum digging speed is 10 meters per minute and it can move more than 76,000 cubic meters of coal, rock, and earth per day.