WORLD'S LARGEST EXCAVATORS - DEMAG H740!!
With an operating weight of 744t, the Demag H740 OS excavator is the fourth biggest mining excavator. It has been in service since 1999 and was specially designed for the abrasive oil sands works of KMC Mining in Canada. The Demag H740 OS is a front-shovel excavator with a wider car body and trackpad than its predecessors. The shovel loading capacity is 40m³ with a breakout force of 2,320kN. The excavator is powered by two 16-cylinder Cat 3516B diesel engines producing up to 4,000hp at 1,800rpm - Mining Technology.