Giant bucket-wheel excavators are immense machines designed to remove thousand of tons of earth in surface mining and civil engineering projects. These industrial behemoths differ from other forms of large-scale mining equipment due to their use of a large wheel (which almost looks like a saw from a distance) containing a continuous system of buckets designed to scoop material as the wheel turns. The primary function of bucket-wheel excavators is to serve as continuous digging machines in large-scale open pit mining operations. Such objects define the term “mega-machines” and the biggest one ever built, Bagger 293, holds the record for the largest land vehicle in human history. Left to rust in a cold corner of Russia, this giant bucket-wheel excavator looks almost alien on the landscape
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