Hysteres cable reel, which is supplied by our company, provides up-to date drive unit of weiht type, moment motor type and friction slice type, torque. The blocking torque is adjustable. Continous brake itself so that brakes are not needed for the drive unit. It is reliable and is a ideal product for cable reel system. This product is widely applicable to movable lifting equipment such as portal crane, container crane, ship loader and unloader, tower crane and other heavy-duty machines of similar working condition.