press machine,hydraulic machine,four column hydraulic machine,semiautomatic,PLC control This series of press is ... imported PLC,die changing floating guide rail and rolling bracket,top-mounted hydraulic system,slider lock mechanism.2.main circuit:50HZ ... size(mm) Power of motor(KW) Weight(t)Y71-40 400 28 250 350x350 500 350x350 2.2 1 ... 1450 1600x1600 74 52 Y71 -400T four column hydraulic press machine