Waukesha Positive Displacement Pump. Model: 55. Flow rate for new pump is 90 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. (2) 6-3/8 in. rotors. Reliance Electric motor: model: 182TC, 1750 rpm, 220/440V, 4.6/9.2 amps, 60 Hz, 3 phase. Motor gear drive: model: 18TC-182 TC, ratio: 1:6.86. Inlet/outlet: (2) 2 in. ACME. Overall dimensions: 4 ft. 3 in. L x 1 ft. 8 in. W x 1 ft. 6 in. H.(ACN119a).