The invention relates to a guying winch for bracing a jib (1) of a crane, having a drum (6) for winding up a guy rope (5), wherein the drum can be driven in rotation by a winch-drive motor (10), via a gear mechanism (11), and having a retaining brake (21) for locking the drum in a bracing position with the guy rope tensioned. According to the invention, provision is made for the retaining brake (21) to be integrated in the winch-drive motor (10) and to be provided for the purpose of locking a motor shaft (17).
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