An agricultural machine arrangement including at least one traction machine and at least one attachment device adapted to the traction machine, with a driver assistance system optimizing the operation of the traction machine and/or of the respective attachment device. The driver assistance system includes a computing unit and at least one display unit, wherein the computing unit processes information generated by machine-internal sensor systems, external information and information stored in the computing unit and wherein the traction machine and the attachment device include a control device for open-loop and closed-loop controlling the traction machine and/or of the attachment device. The driver assistance system forms an automatic traction machine adjusting unit and/or an automatic attachment device adjusting unit and the respective automatic adjusting units independently or as a function of one another bring about an optimization of the mode of operation of the traction machine and/or of the soil cultivation device.