Waukesha Model 15 Positive Displacement Pump. Flow rate for new pump is 9 gpm with required horsepower and pressure. Motor approx 1hp, 1750 RPM, 230/460V, 3-phase, 60 hz. Gear reducer approx ratio of 16: 1. Output RPM: 107. Tri-Clamp Style Fittings: 1.5 in. dia. Overall dimensions: 3 ft. 1 in. L x 9 in. W x 1 ft. 6 in. H. (ACN42).