A crop processor for a forage harvester. The crop processor includes a housing having an inlet and an outlet. The crop processor further includes a pair of crop processor rolls mounted inside the housing. The crop processor rolls are made of a metal, are arranged parallel to each other, and have a gap in between. The crop processor is configured to, during use, transport a flow of harvested crop, received from the inlet, through the gap towards the outlet. Each of the crop processor rolls comprises a plurality of teeth arranged along a circumference of the crop processor rolls. The plurality of teeth have a height in radial direction and a length extending in an axial direction of the crop processor rolls. The plurality of teeth of the crop processor rolls are manufactured to comprise a substantially flat top surface of a predetermined width (W).
