Große Turmdrehkrane

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M1500Tower crane is an all new crane. The diameter of the steel chord of the tubular tower mast is 18 cm and 16 cm (according with Cranes Today Magazine). This is enormous!

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In china , as a rule, big tower cranes on rails have a portall , not standard base

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An old tower cranes, from 70s is the beautifull richier gt1450. the maximum height under hook for this crane is 91 meters and the mast section is 3.4 meters. The span of the rail is 10 meters. Maximum load is 62 tonnnes.

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another picture of this crane

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Kroll K-10000 .The greatest of all!