Used Stokes Oscillating Granulator Model 43-6. Stainless steel contact parts. 1 HP, 230/460 V. Hopper opening dimensions are 13-3/4" X 16-1/4", screen size 15" X 20" and the rotor diameter is 5-3/16" with 6 rotor bars, oscillations of rotor per minute 134 with a production capacity of 10 to 50 lbs./ minute.