Sumitomo H18840-SB-B SM-Cyclo Inline Gearbox 121:1 Reducer 14rpm 7Hp 26000 In-Lb

Ratio: 121:1
Input RPM: 1750
Input Shaft Diameter: 1"
Input H.P: 7
Output RPM: 14
Output Shaft Diameter: 3-1/8"
Output Torque: 26000 In-Lb
In good clean condition.  Reducer does not appear to have been in use recently.