Used 4.5" American Kuhne Extruder, Model AK450 EXT, 30:1 L/D, 250 HP Reliance DC Motor, Belt Driven To Koellmann Gearbox, 17.26:1 Ratio, 300 HP Gear Box Rating, Air Cooled Barrel, 6 Cooling Zones, With Barrel Clamp, Screw, 42" Centerline Height S/N 1581 Machine Dimensions: 7' Width 15' Length