Waukesha Positive Displacement Pump. Model 30. S/N: 134803. Ports: 1 ½ in. S-line fittings. Flow rate for a new pump is 36 gpm at max rpm of 600. Discuss with salesperson your process and product to determine if this pump should handle your specific duty. Pump currently has O-ring seals. Drive and pump seals can be changed to suit your application. Sterling Electric motor: 3 hp, 1730 rpm, 230/460 V, 8.4/4.2 amps, 60 Hz, 3 phase. Output rpm of drive: 300. Overall dimensions: 3 ft. 3 in. L x 1 ft. 2 in. W x 3 ft. 4 in. H.