A chaff cutter with engine is a powered agricultural machine that chops fodder (like grass, hay, maize stalks, straw, napier grass, sorghum, and other forage) into small, uniform pieces called chaff that livestock (cows, goats, sheep, etc.) can eat easily and digest well. Unlike manual models, this version comes ready to operate with a petrol (gasoline) engine — so it doesn’t need electricity or manual cranking.