An agricultural combine comprising: a first grain tank; a second grain tank; and an unloader system for unloading grain harvested by the combine, the unloader system including: - an unloader tube having: - an interior passageway; - a conveyor extending along the interior passageway for conveying grain through the unloader tube; - a first discharge opening for discharging grain traveling through the unloader tube to the first grain tank; and - a first discharge assembly adjacent the first discharge opening, characterised in that the unloader system further comprises: - a second discharge opening for discharging grain traveling through the unloader tube to the second grain tank; and - a second discharge assembly adjacent the second discharge opening; and the combine further comprises: a sensor for sensing an attribute of the grain harvested by the combine; and a controller operatively connected to and in communication with the unloader system and the sensor, wherein the controller is configured to discharge the grain from the unloader tube to one of the first and second grain tanks (12a, 12b) based upon the attribute of the grain detected by the sensor. a first grain tank; a second grain tank; and an unloader system for unloading grain harvested by the combine, the unloader system including: - an unloader tube having: - an interior passageway; - a conveyor extending along the interior passageway for conveying grain through the unloader tube; - a first discharge opening for discharging grain traveling through the unloader tube to the first grain tank; and - a first discharge assembly adjacent the first discharge opening, - an unloader tube having: - an interior passageway; - a conveyor extending along the interior passageway for conveying grain through the unloader tube; - a first discharge opening for discharging grain traveling through the unloader tube to the first grain tank; and - a first discharge assembly adjacent the first discharge opening, characterised in that the unloader system further comprises: - a second discharge opening for discharging grain traveling through the unloader tube to the second grain tank; and - a second discharge assembly adjacent the second discharge opening; and - a second discharge opening for discharging grain traveling through the unloader tube to the second grain tank; and - a second discharge assembly adjacent the second discharge opening; and the combine further comprises: a sensor for sensing an attribute of the grain harvested by the combine; and a controller operatively connected to and in communication with the unloader system and the sensor, wherein the controller is configured to discharge the grain from the unloader tube to one of the first and second grain tanks (12a, 12b) based upon the attribute of the grain detected by the sensor. a sensor for sensing an attribute of the grain harvested by the combine; and a controller operatively connected to and in communication with the unloader system and the sensor, wherein the controller is configured to discharge the grain from the unloader tube to one of the first and second grain tanks (12a, 12b) based upon the attribute of the grain detected by the sensor.