Device for agricultural machines that includes a unit with a tool (2) working in the ground or a holder or a bracket for this, as well as a wheel (3) rolling in the work path of the tool. The unit of tool and wheel is pivotably or turnably journalled in a suspension device (1) around an axle (4) that is perpendicular to the movement direction of the tool and that none, one or several stops exist for the limiting of pivoting movement of the unit in relation to the suspension device by locked, unlocked or limited adjustment of the pivot movement in one and/or the other direction.