Serial. N/A SPECIFICATIONS: Grinding Diameter - Maximum............6" Standard Thru Feed and Infeed Work Rest............1/2" - 3" Grinding Wheel - Hole............12" Grinding Wheel - Maximum Diameter............24" Grinding Wheel - Minimum Diameter............17" Grinding Wheel - Width............Up to 20" Regulating Wheel - Hole............6" Regulating Wheel - Maximum Diameter............14" Regulating Wheel - Minimum Diameter............10-1/2" Regulating Wheel - Width............Up to 20" Regulating Wheel Speeds - Low Range............12 - 56 RPM Regulating Wheel Speeds - High Range............56 - 300 RPM Grinding Wheel Drive............40HP Regulating Wheel Drive............2 HP Hydraulic Pump............1 HP Speed Changes............Var. Pitch Sheaves and Gear Shift Actual Dimensions............170"L X 80"W X 95"H Approximate Weight............18,900 Lbs. Grinding Wheel Spindle: Cartridge Type Spindle includes Filmatic Bearings which are Self Adjusting for variations in load. Automatic Circulating Lubrication under pressure. Regulating Wheel Spindle with Outboard Support: Two Piece Bronze Bearing each side of Wheel, Plus Rear Support Bearing and Anti-Friction Thrust Bearing on End. Automatic Pressure Lubrication. EQUIPPED WITH: Inchworm Compensator Coarse Compensation (Plus/Minus) Fine Compensation (Plus/Minus) Pushbutton Station (Inchworm) Booster Assembly (Compensator) Automatic Grinding Wheel Truing with Automatic Diamond Advance Power Profile Regulating Wheel Truing 20" Thru Feed Work Rest Trabon Auto Lubricating to Machine Slides, Truing Attachments and CAM Follower Coolant Filtration System w/Paper Media Bed *Preliminary Specifications, Pending Confirmation.