FEED Opening: 6' x 52" HP: 150 (575 Volt) Discharge Opening 40" x 52" Rotor: 24" x 54" Diameter 36- Hammers, 28 lb. each Motor Frame Included Replaceable Liners Hydraulic Power Roll Feeder-Raises & Lowers Approx. 18" Optional Motor & Starter--$6000 Extra Used to Shred, Straw, Hay, Cardboard for Biomass Model SH2452