... ,rice straw,into 20-50mm 2.Environmental protection This machine is applicable for cutting and kneading peanut straw,corn stalk,wheat straw,rice ... ,380v,50hz quadrupoleMain shaft rotating speed:3400r/mMain machine weight:450kgMain machine dimension: 1157x1355x1530mmThe hammers :The crushed straw: High efficiency Forage chopper machine for animal feed