Used Vogel R055778 16:1 Ratio Gear Reducer Typ MPF 07 ID 278495 

Needs to be rebuilt good amount of play in the input side of the unit also sounds like something loose inside maybe a ball bearing.

Ratio 16:1

Used Gear reducer it is off the shelf from a closed factory that kept spares for their equipment the Gear reducer may have scratches and dust from being stored without a box. 

[Please Look at all the pictures they are part of the description]

                                                                                         [B1-F1-R2-S4-3]