Summit Model 4HBM 4.125" Table Type Horizontal Boring Mill Spindle Diameter: 4 1/8" X Axis Travel (Cross): 68" Y Axis Travel ( Vert): 65" W Axis Travel (Long): 48" Spindle Outfeed: 27.5" Spindle Taper: 6MT Spindle Speeds: (18) 12.5 to 1180 RPM Rotary Table Size: (Built in) 48" X 60" Table Load Capacity: 11000 LBS / 5000 kg Main Motor Drive: 18HP Equipped With: Newall Digital Readout Pendant Control (Built in) 48" X 60" Rotary Table Coolant Pump And Piping Telescoping Stainless Steel Way Covers Extended Travel Capacity Table Outrigger Supports Rapid Traverse Hydraulic Clamping Inch Metric Threading Precision Hardened and Ground Gears Easy Access Programmable Electrics Limit Switches on all Axes Clutched Spindle Drive Tapered Roller Bearing Headstock Hardened and Ground Insertable Bedways Heavily Ribbed Closed Grain Cast Iron Contsruction, Heat Treated and Stress Relieved