Waukesha Model 220 Positive Displacement Pump. S/N: 274193 R1 00. Flow rate for a new pump is 300 gpm at max rpm of 600. Flow rate at 0 psi with current drive of 40 rpm is 20 gpm. 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. Motor name plate is missing, estimated 7.5 hp, 230/460 V, 1750 rpm. Inlet/outlet: 4 in. S-line fittings. Overall dimensions: 5 ft. L x 1 ft 11 in. W x 2 ft. 3 in. H.