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The capacity range is between 10 and 40 t (9.8 and 39.4 long tons; 11 and 44 short tons) as a maximum lift, although this is much less as the load gets further from the front of the crane. Pick and carry cranes have displaced the work usually completed by smaller truck cranes, as the set-up time is much quicker.
A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
A Liebherr LTM 1200-5.1 Crane. A mobile crane is a cable-controlled crane mounted on crawlers or rubber-tired carriers or a hydraulic-powered crane with a telescoping boom mounted on truck-type carriers or as self-propelled models. [1]
To lift a load, a separate line runs up and over the mast with a hook on its free end, as with a crane. [ 1 ] [ 2 ] Derricks are especially useful for high-rise rigging, jobs that cover a long period of time, or jobs when the impact to street or pedestrian traffic is a concern. [ 3 ]
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 ...
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Manitowoc Cranes is a division of The Manitowoc Company, Inc.Manitowoc Cranes produces five brands of cranes: Grove, National Crane, Shuttlelift, Manitowoc, and Potain.In addition, Manitowoc has two distribution businesses based in the U.S.: Aspen Equipment and MGX Equipment Services (formerly H&E Equipment Services' crane business).
A rubber tyred gantry crane (US: rubber tired gantry crane)/ RTG (crane), or sometimes transtainer, is a wheeled mobile gantry crane operated to ground or stack intermodal containers. Inbound containers are stored for future pickup by drayage trucks, and outbound are stored for future loading onto vessels.