This is the largest digging machine or trencher or rotating shovel in the world. It was built by Krupp and is shown here crossing a road in Germany on the way to its destination, an open air coal mine. Although at the mine the treads are unnecessary, it was cheaper to make the machine self-propelled than to try and move it with conventional hauling equipment. The machine is 95 meters high and 215 meters long almost 2.5 football fields in length. Weight is 45,500 tons thats equivalent to a bumper to bumper line of jeeps 80 miles long. It took 5 years to design and manufacture at a cost of $100 million.
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Sun & Planets roughly to scale. Distances not to scale.