An apparatus for transferring agricultural products, for agricultural machines designed for the formation of a bale is provided. The transfer apparatus includes at least one impeller rotor, which can be arranged between a pick-up drum of agricultural products and a chamber for the compression of the agricultural products. The rotor is facing a deck, for delimiting at least partially a channel. The deck is coupled to a fixed frame by way of at least two supports which can move on command. At least one first support includes at least one support pin, which is coupled to a first portion of the deck and moved, in a corresponding guiding slot, by a corresponding actuator. At least one second support includes at least one crank, which is coupled to a second portion of the deck and rotatable about a rotation axis that is perpendicular to the advancement direction.
