Okamoto PSG-305 20" x 120" 3-Axis Automatic Surface Grinder with Incremental Down Feed and Electromagnetic Chuck Equipped With: Incremental Down Feed, 19-3/4" x 118" Electromagnetic Chuck with Neutrofier Control, Hydraulic Wheel Dresser, Coolant System with Paper Filtration and Magnetic Separator, Hydraulic System Heat Exchanger, Wheel Hub & Nut Electrics: 230/460 Volt, 3-Phase Manufacturer: Okamoto Model: PSG-305 Year: 1987 Serial Number: 1829 Main Unit Approx Weight: 28600.00 lbs Main Unit Dimensions (in inches): Length: 357.00" Width: 109.00" Height: 93.00" Components: Coolant System: Length: 64.00" Width: 50.00" Height: 48.00" Hydraulic System: Length: 30.00" Width: 46.00" Height: 38.00" Oil Cooler: Length: 26.00" Width: 21.00" Height: 50.00" Specs: Table Working Surface: 120.08" x 19.7" Max Longitudinal Table Travel: 124.02" Auto Longitudinal Feed Rate: 1 to 100 FPM Max Distance Spindle / Wheel to Table: 23.4" (Under 20" Wheel) Max Wheel Size : 20" x 2" x 5" Wheel Speed: 1100 RPM Crossfeed Travel Auto / Manual: 20.86" Max Grinding Length x Width: 120.08" x 20" Cross Feed Automatic Increments: .20" to 1.37" Rapid Wheelhead Feed Rate: 12" / Min Auto Wheelhead Downfeed Increments: 0.0002" to 0.002" Per Column Reversal Hand Wheelhead Downfeed Increments: 0.0002" Graduations Wheelhead Elevation Motor: 1/2HP Hydraulic Motor: 7-1/3HP Spindle Drive: 10HP