Gearboxes are common rotating equipment found in many industries. A gearbox is an enclosed set of rotating gears working together in unison to generate rotating power. Though designed to be durable and capable of working on despite hindrances such as dirt, debris and other contaminants, gearboxes can still fail. There are three main reasons why gearboxes fail: poor lubrication, gear misalignment and gearbox overload.             Most often, gearboxes fail, sometimes catastrop