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This is a list of the world's largest machines, both static and movable in history. Building structure ... Tunnel boring machine: 99 m (324 ft 10 in) [8] 17.5 m (57 ...
Historic American Engineering Record (HAER) No. OH-64, "Alcoa Forging Division, Mesta 50,000-Ton Closed Die Forging Press, 1600 Harvard Avenue, Cleveland, Cuyahoga County, OH", 20 photos, 2 color transparencies, 3 data pages, 21 photo caption pages "National Historic Mechanical Engineering Landmark: 50,000 Ton Closed Die Forging Press" (PDF).
The next two largest units were captured by the United States and brought across the Atlantic Ocean, but they were half the size at 16,500 ton. As Cold War fears developed, American strategists worried that this would give the Soviet Air Force a crucial advantage and designed the Heavy Press Program to help win the arms race. [1] [4] [5] [6]
Bucyrus-Erie was an American surface and underground mining equipment company. It was founded as Bucyrus Foundry and Manufacturing Company in Bucyrus, Ohio, in 1880.Bucyrus moved its headquarters to South Milwaukee, Wisconsin, in 1893.
Great Bear) at Black Thunder Coal Mine, Wyoming, is the largest dragline excavator currently in use in North America and the third largest ever built. [1] [2] It is a Bucyrus-Erie 2570WS model and cost US$50 million. The Ursa Major was one of five large walking draglines operated at Black Thunder, with the next two largest in the dragline fleet ...
Freighter Fairpartner carrying the disassembled tunnel boring machine into the Port of Seattle in April 2013. Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and was the world's largest earth pressure balance tunnel boring machine, [14] at a cutterhead diameter of 57.5 feet (17.5 m) across.
It was founded in 1898 by George Mesta when he merged his machine shop with another. [2] Mesta "machines" can be found in factories throughout the world and as of 1984 had equipment in 500 steel mills. [3] Mesta was the 488th largest American company in 1958 [4] and the 414th largest in 1959. [5]
The Big Muskie was a model 4250-W dragline and was the only one ever built by the Bucyrus-Erie company. [1] With a 220-cubic-yard (170 m 3) bucket, it was the largest single-bucket digging machine ever created and one of the world's largest mobile earth-moving machines alongside the Illinois-based Marion 6360 stripping shovel called The Captain and the German bucket wheel excavators of the ...