Reference #16420 40" x 393" Waldrich Roll Grinder Model: WSIII40 Age 1966 Maximum Work Diameter ................. 40" Minimum Work Diameter ................. .75" Distance Between Centers .............. 393" Wheel Size (Diameter x Width) ......... 30" x 4" Wheel Hole Diameter ................... 12" Workhead Drive Motor .................. 29.48 HP Headstock Speed Range ................. 10 to 100 RPM Weight Between Centers ................ 10 Tons Normal Infeed ......................... 0.0004 - 0.028 Carriage Feed ......................... 2.375 - 118 IPM EQUIPPED WITH: Crowning Capability (9) Small Work Rests (2) Large Work Rests 29" Face Plate 21" 4-Jaw Chuck Sliding Steel Way Covers on Bed Barnes Coolant and Filtration System Magnetic Chip Separator