Self-Propelled Agricultural Machine

A self-propelled agricultural machine, said self-propelled agricultural machine being provided with at least one motor, at least one elongated unit for carrying out, in use, an agricultural operation on the land, a first wheel axle and a second wheel axle located at a distance from the first wheel axle,

• wherein the first wheel axle and/or the second wheel axle is/are to be driven by the motor for moving the agricultural machine,
• wherein the elongated unit is movable from a transport position to a working position and vice versa, so that the maximum width of the self-propelled agricultural machine in the unit's transport position is less than in the unit's working position, characterized in that the distance between the first wheel axle and the second wheel axle is to be varied depending on the position of the elongated unit.