NEWMAN G-20 Automatic Knife Grinder - "rotary" style knife grinder capable of sharpening 4 chipper knives up to 20" long or 8 planer knives (or more if knives are stacked). Features coolant tank, automatic feed, adjustable knife angles, and motor starters. Grinding wheel is powered by a 7-1/2 hp TEFC motor and feed is powered by a 3 hp motor. Item # 39204. Georgia.