Specifications: Max. Pitch Dia. (Ext): 20" (508mm) Max. Pitch Dia. (Int): 20" (508mm) Max. Diametral Pitch (Spur): 4 DP (6-Mod) Max. Diametral Pitch (Helical): 5 DP (5-Mod) Max. Face Width: 4" (102mm) Max. Helix Angle (w/Proper Guide): 45 deg. Max. Dia. of Part and or Fix: 27" (686mm) Dia. Bore In Work Spindle: 9.05" (230mm) Depth of Table Bore: 18.19" (462mm) Max. Dist From Centerline of Cutter Spdl to Ctrl of Table: 13.125" (333.38mm) Max. Dist From Cntln of Cutter Spdl to Rear Machine Column: 8.15" (207mm) Max. Dist From Table Surface to Cutter Spdl Face: 16" (406mm) Stroking Speed (2-Ranges): 50-300,100-600SPMS Machine Overall L x W x H (Approx): 126" x 64" 12" 3200x2768x3000mm Machine Weight (Approx): 17,500 lbs,7,955kg