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The Manitowoc Company, Inc. is an American manufacturer which produces cranes and previously produced commercial refrigeration and marine equipment. It was founded in 1902 and, through its wholly owned subsidiaries, designs, manufactures, markets, and supports mobile telescopic cranes, tower cranes, lattice-boom crawler cranes, and boom trucks under the Grove, Manitowoc, National Crane, Potain ...
Manitowoc lattice-boom crawler cranes was the beginning of Manitowoc Cranes until the major acquisitions in 2001. In 1969, Manitowoc introduced its flagship crane, the Model 4100W. Manitowoc introduced its first self-erecting, all-hydraulic crane, the Model M-250, in 1992.
A self-hoisting crane changing a gear box. A Liftra crane installing a single blade on a wind turbine hub. Liftra is an engineering company which specializes in lifting and transport equipment for the global wind turbine industry. Liftra's most notable product is a self-hoisting crane used for major component exchange. [1]
In 1959 crane expert R.H.Neal, hydraulics specialist F.Taylor, and design director Bob Lester, integrated all three and modernized cranes. The Coles Hydra Speedcrane appeared in 1962, further modified with the 10-ton fully telescopic hydraulic boom in 1966, followed in 1968 by the 30-ton "Husky" military versions with four-wheel drive .
A ZPMC rail mounted gantry crane was used in the construction of the British aircraft carrier HMS Queen Elizabeth. Shanghai Zhenhua Heavy Industries Company Limited (ZPMC, Chinese: 上海振华重工(集团)股份有限公司) is a Chinese state-owned engineering company and the world's largest manufacturer of cranes and large steel structures ...
To hoist the steel, structural ironworkers use cables connected to the crane to lift the beams onto the steel columns. A rope called a tagline is attached to the beams so an ironworker can control them when needed. The crane hoists steel into place, and the ironworkers position the beams with spud wrenches to align bolt holes.
Genie is an American company that manufactures work lifts and platforms used in construction, maintenance, warehouse stocking, and equipment installation. Founded in 1966 by Bud Bushnell, the company operated independently until acquired by Terex in 2002. [1]
The Galion Iron Works Company of Galion, Ohio, was founded by David Charles Boyd and his three brothers in 1907.In its early years, the Galion produced a wide range of road-building and other construction equipment, such as drag scrapers, plows, wagons, stone unloaders, rock crushers, and a variety of other "experimental machines".