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Big Brutus
''Big Brutus'' is the nickname of the Bucyrus-Erie model 1850B electric shovel, which was the second largest of its type in operation in the 1960s and 1970s. It is currently the centerpiece of a mining museum in West Mineral, Kansas where it previously was used in coal strip mining operations there where the coal seams were relatively shallow with the machine designed to dig from .〔http://files.asme.org/ASMEORG/Communities/History/Landmarks/5504.pdf〕
==Description==
It is high and weighs 11 million pounds (4,989,516 kg). The bucket holds or 150 tons (136 metric tonnes). Maximum speed is 0.22 MPH (6 metres per minute). It cost $6.5 million in 1962 when it was shipped in 150 railroad cars to be assembled in Kansas. It only was used until 1974 when it no longer became economical to mine coal at the site. At that time it was considered too big to move and so was left in place.
Big Brutus, while not the largest electric shovel ever built, is the largest electric shovel still in existence. The Captain, at 28 million pounds, was the largest shovel and one of the two largest land-based mobile machines ever built. It was scrapped in 1992.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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