ZAE M 040 B Worm Gearbox Reducer 9.75:1 Ratio Hollow Shaft IEC 56 Frame

Frame Size: IEC 56 B5 Flange
Ratio: 9.75
Input Shaft Diameter: 8-Spline
Output Shaft Diameter: 22mm
Output Shaft Orientation: Hollow
Does gearbox include breather vent?: No
In good used condition.  Has some exterior rust from storage.  Gears turn smoothly.