The present invention relates to an agricultural machine having a conveyor rotor for conveying harvested material through a conveyor channel to a material collecting chamber, wherein the conveyor rotor has conveying prongs which protrude at the circumference and which are disposed in a distributed manner over the width of the conveyor rotor along a profile, characterised in that the profile has two profile portions which are oppositely oriented starting from a middle portion of the conveyor rotor and are inclined with respect to the direction of the rotational axis of the rotor, their angle of inclination changing with respect to the direction of the rotational axis of the rotor towards edge portions of the conveyor rotor. <；Figure 1>；
