A spreader arrangement (12) for an agricultural harvester (10) includes a frame (20), a pair of spreader discs (16) carried by the frame (20), and a material deflector (22). The spreader discs (16) are generally horizontally arranged and rotatable in a counter rotating manner. The material deflector (22) is operable to deflect crop material from at least one of the pair of spreader discs (16). The spreader arrangement (12) is characterized in that the material deflector (22) includes at least one deflector arm (30) and a vertical pivoting mechanism (32) interconnecting the at least one deflector arm (30) with the frame (20).
