Abstract: An agricultural working machine is provided with a shaft having with at least one tool, the rotation axis of which extends in operation at an angle to the direction of travel and at least substantially parallel to the ground. A housing is arranged on a frame of the working machine, which housing is arranged at least in sections above the shaft and has an inner wall delimiting a channel between the shaft and the housing. The inner wall of the housing is at least formed by a plurality of segments arranged next to one another as viewed in the direction of travel.