Waukesha model 180U2 positive displacement pump, serial number 238198-99, 3" threaded fittings, 0.018" clearance, 15 HP SEW-Eurodrive electric motor gearbox chain drive, 11.81:1 gearbox ratio, 43-168 RPM output, wired 330/575/3/60, stainless steel contact, mild steel frame.