The invention refers to an implement regulating device at an agricultural machine comprising at least one group of implements (4) arranged across the driving direction, thereafter cross-wise arranged support members (15) and at least one each group of implements and support members controllable and adjustable power device (23) whereby implements (4) and support members (15) comprising each group are journalled in bearings at one end of at least one carrying arm (13) and that said power device (23) is adapted to rotate a cross-running main beam (19), whereby the main beam is connected with the carrying arm (13) via a spring member (18) and is rotatably suspended in relation to the frame (Ia) of the machine (1), whereby activation of said power device is adapted to influence the carrying arm between a position for maximum sowing depth and a transport position.