... tractor 4.20 Disc,Dia.660mm,Mn65 Steel material 1BZ(BX)-2.2 75-90HP Tractor Semimounted Hydraulic Disc Harrow ... Main Features and Performance:1BZ(BX) semi-mounted offset heavy-duty harrow is suitable for ... turning,good road passing performance,etc.Main Specifications: Modelunit1BZ(BX)-3.0Working widthm3.0Working depthmm180~200Q’ty of disc28Disc diametermm660 ...