TRF 400 E This is a 2 HP 220V electric direct driven hammer mill. This hammer mill has both a grinding and a shredding function. Shredding of any dry or green product such as corn,maize,sugar cane,branches and any kind of green crop used for animal hammer mill comes standard with 4 sifts(;3mm;5mm;12mm) for grinding any dry substance to a fine product.