An apparatus for automatic adjustment of a transfer device on an agricultural harvesting machine includes a sensor for determining the current position of the transfer device; means for adjustment of the transfer device; a navigation device located in the harvesting machine for determination of a first and a second navigated position in a field; and an electronic analyzer wherein the electronic analyzer automatically adjusts the transfer device through the means for adjustment as a function of the current position of the transfer device and the first and second navigated positions of the harvesting machine.