An agricultural combine unloader assembly is disclosed. The assembly includes an unloader tube having an internal passage in fluid communication with a discharge outlet at an end of the unloader tube. A door is mounted adjacent the discharge outlet for covering the discharge outlet. The door is moveable between an open position uncovering the discharge outlet and a closed position at least partially covering the discharge outlet. In the open position, the door is positioned below a flow path of grain to be discharged through the discharge outlet. A catch is mounted adjacent the door. The catch includes a housing having an open end adjacent a first end of the door and a closed end adjacent a second end of the door opposite the first end. The catch is operatively connected to the door and movable between a first position and a second position.
