Waukesha Positive Displacement Pump. Model: 30. S/N: 6072 SS. Flow rate for new pump is 36 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Variable Frequency Drive. U.S. Electrical Motors: 2.0 hp, 1725 rpm, 200-230/460, 8.0-7.2/3.6 amps, 60 Hz, 3 phase. (2) 4-3/8 in. rotors. Inlets\Outlets: (2) 1-1/2 in. acme. Overall dimensions: 3 ft. 7 in. L. x 1 ft. 2-1/4 in. W. x 3 ft. 1 in. H.