Abstract: A grain storage unit for a combine is provided having a grain bin which has a lower section which is divided into two compartment by means of a partition. The partition has sloped surfaces to facilitate the flow of grain to the intakes of two conveyor systems. The conveyor systems include a discharge conveyor and an auxiliary conveyor. The discharge conveyor is provided with plurality of paddles joined to a flexible linkage which is continuously moved throughout the interior of a discharge conveyor housing. Grain from one of the compartments of the grain bin is collected through an intake of the discharge conveyor housing and is delivered upwards and away from the combine through a discharge located at the end of the discharge conveyor housing opposite the intake. The auxiliary conveyor has an inlet located within the other of the two compartments for removing grain therefrom. The auxiliary conveyor has a conveyor housing which opens into the housing of the discharge conveyor.