Technical Data : “Max workpiece dia : with rear column:550m, without rear column:800mm” “Max module cut : steel 6 mm, cast iron 8 mm” Max workpiece width : 250mm Worktable hole : 80mm Max diameter of workpieces  :  With rear  column (mm) 350, Without rear  column (mm) 500 “Spindle rotate step,range 9 step   : 40-250RPM” “Main spindle taper hole  Morse No.5  ” ” Max diameter and length of hob 160/160mm” “Main motor power  4kw/1500rpm” Coolant pump motor : approx.100 watt Instruction Manual