The locking sequences with the epicyclic equipment coach are obtained by hydraulic pressure operating brake bands or multi-plate clutches. This triggers the provider being pushed in a similar direction. The copyright shaft will be the output shaft, so one reduction is used. The second planet gears and their provider freewheel. https://gearbox-auto03679.blogoscience.com/39911056/gearbox-auto-things-to-know-before-you-buy