The invention relates to a machine for handling waste material, the machine comprising an upper conveyor member with a conveying portion of a first width, a downstream lower conveyor member with a receiving portion of equal or greater width and an apparatus for distributing material from the upper conveyor member to the downstream lower conveyor member, wherein the apparatus comprises oscillating means, a drive mechanism connected to the oscillating means; and a protruding element attached to the oscillating means for oscillatory movement thereof, wherein the protruding element is a reciprocating attachment adapted to oscillate in a direction transverse to the direction in which it extends, wherein the apparatus is mountable between the conveying portion of the upper conveyor member and the receiving portion of the downstream lower conveyor member such that the protruding element extends substantially in the direction of conveyance of the downstream conveyor member; and wherein in use the oscillating protruding element agitates material being transferred from the upper conveyor member to the downstream lower conveyor member.