Western Model BS-109 Gear Reducer. HP: 20; Ratio: 5; Input RPM: 1770;
Western Model BS-109 Gear Reducer. HP: 20; Ratio: 5; Input RPM: 1770; Output RPM: 354; Type: RightAngle; S.F.: 1.585. Notes: MillNumber 47625900; Rpm 1200; SerialNumber 155; Class Rating 31.7 Hp