The invention refers to a device at an agricultural machine (1) with at least one implement (2, 3) for soil cultivation, a frame (5) and said implements carrying suspension devices (13, 20) between implement and frame, wherein one of the implements is a roller cutter assembly (2) with mainly around its periphery arranged knives (4). One following implement is soil cultivating rollers (3) for reconsolidation. that The knives (4) are assembled on freely rotating holders (15), which are journalled in bearings at the lower end of arms (13), which are connected with the frame 5 of the machine. Two following in sequence rows of roller cutter segments (12) comprising the arms (13), the holders (15) and the knives (4) are arranged, wherein said rows of roller cutter segments (12) are assembled row-wise in opposite directions on the frame (5).