MASSIVE EARTHMOVING MACHINES-PART 1: Belle Ayr & Beener Coal
Visit Wyoming and see two electric shovels, at 82 cubic metres capacity each, tie as the largest in the world: P&H 4100XPB and the Bucyrus 495HR, as well as the Caterpillar 797B 400-ton capacity truck! In Maryland, see two more machines that are the largest of their type: the 1150 horsepower Komatsu D575A bulldozer, and a Bucyrus-Erie 295-BII diesel shovel. 70 minutes.