Characteristics . Hammer mill with productive capacity according to the technical table of this document, powered by tractor PTO or electric motor, featuring feeding noozle, side discharge chute, lower discharge chute, pulley bearing, structure built in steel, grinding rotor fully built in special steel, sieves with holes of 3mm, 5mm, 8mm, 10mm, 14mm and 18mm for special use with moist maize ...