Main technical data Max.workpiece dia:500mm Max.module:8mm Max.width of teeth:250mm Max.hob diameter/length:160/160mm Dia of worktable:510mm Spindle speed/steps:40-250 rpm/ 9 Dia of hob arbors:22,27,32,40 mm work arbor:30mm Max .hob shift axial:55mm Main motor :5.5kw/1500rpm Overall dimensions L*W*H: 2450*1272*1790mm Taper of hob arbor fitting:Morse No.5 Distance between hob axis and worktable surface:235-535mm Center distance between hob and worktable:20-330mm Distance between tailstock end face and worktable surface:380-850mm Worktable bore diameter:80mm Max.hob swiveling angle:240 °