A display device for displaying operating parameters of an agricultural machine which includes a working unit has a display unit designed such that it may display several subsections, to each of which an operating parameter is assigned, in a first operating state of the working unit, a closed main region having a central geometric focal point may be displayed, and a first subsection is limited on the side by a second subsection, in a second operating state of the working unit, the mean distance between one side of the first subsection and the central geometric focal point is changed, and an agricultural machine includes the working unit, a driver's cab, and the display device.