Gigantic rotary excavator

This is modern rotary excavator, which is used in mining quarries. These machines have enabled people to extract minerals and thereby change the shape of the Earth’s surface radically new way. The biggest one is about two hundred meters (600 feet) long and a hundred meters (300 feet) tall. One rotary excavator could dig a football field sized pit more than hundred feet deep in just one day.

Gigantic rotary excavator was posted by Vitali K. on 27th May 2007 as part of the Curiosities section. Check the front page for the latest posts or use navigation links below: