This 12V intermittent duty electric winch kit has been specially modified by NRG Systems for safe and reliable TallTower installation. The 9000 pound winch (cable capacity is 7000 pounds) comes complete with cable, pulley system, battery cable, connectors, safety bar and mounting hardware for an easy and proven method of TallTower installation. The automatic braking action provides safe and controlled tower lowering. The 9000 pound winch mounts to the winch-point earth anchor and can be powered by a 12V deep-cycle marine battery. Note: Kit 1999 is not compatible with the 60 mHD TallTower (3973). Please order winch kit 3965 for the 60 mHD tower. It is possible to upgrade kit 1999 for use on the 60mHD TallTower by ordering upgrade kit 3968.