biggest coal mining machines

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Dragline excavator

The coal mining dragline known as Big Muskie, owned by the Central Ohio Coal Company a division of American Electric Power , was the world s largest mobile earth-moving machine, weighing nearly 13,000 tonnes and standing nearly 22 stories tall...

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Top 7 biggest mining excavators in the world

A bucket-wheel excavator BWE is a heavy equipment machine used in surface mining The primary function of BWEs is to act as a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day...

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World s Largest Digging Machine

This is the largest digging machine or trencher or rotating shovel in the world It was built by Krupp and is shown here crossing a road in Germany on the way to its destination, an open air coal mine Although at the mine the treads are unnecessary, it was cheaper to make the machine self-propelled than to try and move it with conventional ....

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Jul 20, 2008 0183 32 The worlds biggest machine v cat d8r The worlds biggest machine v cat d8r Skip navigation Sign in , Mining Mega Machines - Duration 4 16 Mega Machines Channel 488,361 views...

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