Models WS30 620010 , WS30AM 620000 , WS50M-20 620231 , WS50M-12-20 620251 , WS50AM-12-20
High Head Model WS50HM-20 620218 , WS50HAM-20 620219 , WS50HM-12-20 620251 , WS50HAM-12-20 620253
High Head Model WS100HM12-20 620222 , WS100HAM-12-20 620223 , WS100HM32 620207 , WS100HM-34 620206
