Electra Grove Gear EL-HM-830-30-R Gearbox 30:1 Reducer 58rpm 140TC Hollow Shaft

Frame Size: 143/145TC (6-1/2" flange OD)
Ratio: 30:1
Input RPM: 1750
Output RPM: 58
Input Shaft Diameter: 7/8"
Output Shaft Diameter: 1-1/2" Dia x 4" Length
Output Shaft Orientation: Right hand
Input H.P: 2.87
Output Torque: 2519 In-Lbs
Does gearbox include breather vent?: No
Gearbox has a hollow shaft fitted with an 1-1/2" dia x 4" output shaft.   
Electra Grove Gear EL Series EL-HM-830.
Gearbox is without the original tag.  New condition.