10 BIGGEST MINING EXCAVATORS – BUCYRUS RH400!!
The Bucyrus RH400, now owned by Caterpillar, is said to hold the title of the world's biggest hydraulic excavator. This monster is a front shovel excavator and weighs in at around 980 tonnes. This mine chewer has an undercarriage width of 8.6 meters and crawler length of 10.98 meters. Just one scoop of the shovel can remove 45 cubic meters of material. With a crowd force of 3,300 kN and a breakout force of 2,400 kN it will defy any unfortunate rock face to resist this machine. The Bucyrus RH400 is powered by two 16 cylinder Cat 3516B or Cummins QSK60 diesel engines - "Interestingengineering.com"