BLANCHARD ROTARY SURFACE GRINDER, MODEL 20D, STOCK# 13846J s/n 11679 Magnetic Chuck Diameter ............... 36" Max. Swing Inside Guards .............. 38" Height Under New Wheel ................ 18" Segmented Wheel Diameter .............. 20" Grinding Wheel Motor .................. 30 HP Table Speeds (6) ...................... 6-33 RPM Feeds ................................ .004-.080 TPM Wheel Speed 720 RPM Approx. Overall Weight ................ 17,000 Lbs EQUIPPED WITH: 36" Electromagnetic Chuck Segment Wheel Built-In Wheel Dresser Rapid Traverse on Head Incremental Downfeed Dry Base Machine 230/460/3/60 Electrics