Waukesha Model 018 Positive Displacement Pump

Waukesha 1 1/2'' x 1 1/2'' Positive Displacement Pump, Model 018, Serial No 278861-01, 1 1/2'' x 1 1/2'' Tri Clamp in/out, Stainless steel contact, with (2) double lobe impellers, with 1 Hp.-1140 RPM 230/460 Volt motor. Pump is missing front cover.