Top Ten The World's Biggest Mining Excavators ►Bucyrus RH400 ►Hitachi EX8000-6 ►Liebherr R9800 ►Demag H740 OS ►Komatsu PC8000-6 ►Liebherr R 996 B ►Hitachi EX5600-6 ►Hitachi EX5500-6 ►Komatsu PC5500-6 ►Bucyrus RH 340 B

An excavator also known as a hydraulic excavator, boom excavator, or mining excavator, is a machine consisting of a wheeled or truck-type support frame on which the operator's platform, engine, hydraulic system, and pivot tower connecting the arms are mounted. This huge earth excavating machine is no doubt critical equipment used in the construction and forestry industry for a number of applications including digging the ground, rock crushing, grapples, handling forks, demolition tools, and more. This versatility makes excavators important not just for earthwork at construction sites, but also for the handling of heavy material, demolition, mining, quarrying, and forestry. Now there are different types of excavators around the world. Each with different strengths and sizes based on operating weights.