10 BIGGEST MINING EXCAVATORS – DEMAG H740 OS!!
Considered to be the fourth biggest excavator in the world, this impressive piece of kit has an operating weight of 744 tonnes. This beast has been operational since 1999 and was designed for the abrasive oil sands for KMC Mining, Canada. This machine has an impressive shovel capacity of 40 cubic meters and a breakout force of 2,320 kN. It is powered by two 16 cylinder CAT 3516B diesel engines spewing out 4,000 hp at 1,800 rpm - "Interestingengineering.com".