Planetary Gear Box: Ambica Cranes Pvt. Ltd.

The special micro drive provides fine inching movements of trolley, hoist
or crane at the rate of 5% to 20% of the main speed. The micro drive is
achieved by a separate gear box, with unique sun and planet system.
Gearing system fitted on the input side of main gear unit and pony motor with
separate brake unit. It is a positive drive and avoids the use of clutches etc.
(optional).