Ohio BM826-40-140-L W8260080.00 Speed Reducer Gearbox Gear Box 40:1 Ratio 56CNema frame size: 56C 140TC Ratio: 40: 1 Input RPM: 1750 Output RPM: 44 Input shaft diameter: 3 4" Output shaft diameter: 1 1 8" Vent Not included Output Torque: 1464(in lbs) Approximate dimensions of main body not including bell shaped motor adaptor (If Included) Length: 8" Width: 6 " Height: 8 " All gear reducers must have a breather vent. This allows for expansion and contraction of the air within the casing as a result of temperature changes. If a