Shaft Mount Reducer 12.7:1 Ratio Gearbox 138 RPM Screw Conveyor Drive

Ratio: 12.7
Input RPM: 1750
Input Shaft Diameter: 1-3/4" x 5-1/4"L
Output RPM: 138 RPM
Output Shaft Diameter: 3-7/16" (11-1/2" Length thru bore)
In Good Used Condition.  Removed from a Working Environment.
-No tag on gearbox.