A flail rotor head attachment for use with any type harvesting machine having crop residue processing elements and including an input opening for receiving crop residue. The attachment includes a frame structure for operatively coupling the attachment to the harvesting machine, a flail rotor and an auger each mounted on the frame structure and a drive mechanism for rotating the flail rotor and the auger. The flail rotor includes a plurality of cutting elements for picking up and chopping crop residue from a field. The auger includes at least two flightings positioned in opposite directions for funneling crop residue towards the opening of the harvesting machine. Another embodiment includes a rake positioned between the flail rotor and the auger, the rake and the flail rotor rotating in the same direction and the auger rotating in an opposite direction.
