| 摘要 |
The invention relates to a construction device comprising a carrier vehicle with an undercarriage, a mast element arranged at the front side of the carrier vehicle and a winch drum, which is supported in a rotatable manner on the carrier vehicle. In accordance with the invention provision is made for the winch drum to be adjustable between a first position, in which it is arranged on the upper side of the carrier vehicle, and a second position, in which it is arranged in a rear portion of the carrier vehicle.
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