Grove Gear Ironman NH-H-826-7.5-H1-16 Gearbox 7.5 Ratio 5Hp 233rpm Hollow Shaft

Frame Size: 826
Ratio: 7.5
Input RPM: 1750
Output RPM: 233
Input Shaft Diameter: 3/4"
Output Shaft Diameter: 1"
Output Shaft Orientation: Hollow
Input H.P: 4.9
Output Torque: 1235 In-Lb
Does gearbox include breather vent?: No
New old stock.  Has some rust from storage.