Waukesha Positive Displacement Pump. Model: 3. Serial No: 82245 SS. Approximate flow rate for new pump is 4 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this pump should handle your specific duty. SEW mechanical variable speed reducer, 1hp, 230/460V, 4.03/ 2.0 amps, 60 Hz. SEW gear reducer 71-550 rpm range. Stainless Steel base. Pump has 1-1/2 in. inlet/outlet. Overall dimensions: 3 ft. L x 1 ft. 7 in. W x 2 ft. 5 in. H.