We tried to find a picture that wasn't angry looking... it took a while... The Bagger 288 is a mobile strip mining machine. Built by German firm Krupp, it is also known as a bucket-wheel excavator. #WatchYourFingers The head used for excavation is 21.6 m in diameter. 18 buckets each holding 6.6 cubic metres of overburden are found orbiting the head..