Horsburgh & Scott B-668 Worm Gearbox Reducer 15.5 Ratio 20Hp 74rpm Dual Shaft

Frame Size: B-668
Ratio: 15.5
Input RPM: 1150
Output RPM: 74
Input Shaft Diameter: 1-3/8"
Output Shaft Diameter: 2-1/2" (Output shafts are spaced 12" apart, 13" center height)
Output Shaft Orientation: 2-1/2"
Input H.P: 20
Used/rebuilt condition, not sure if gearbox was used after rebuild.