A threshing and separating system for an agricultural harvester includes a rotor configured to rotate about a rotor axis, a rotor cage at least partially enclosing the rotor and including a tailings return inlet formed therein and configured to couple to a tailings return elevator and an insert opening formed therein that is at least partially circumferentially aligned with the tailings return inlet relative to the rotor axis, at least one concave coupled to the rotor cage and defining a plurality of concave perforations, and a threshing insert removably coupled to the rotor cage and including at least one mounting opening. The threshing insert at least partially covers the insert opening and is positioned such that material from the tailings return inlet travels past the threshing insert before reaching the concave.

A combine harvester tailings return system includes a tailings conveyor and an ejection channel for depositing tailings upstream of a cleaning system. A proximity sensor is mounted to the ejection channel and is configured to sense the height of a layer of tailings during transit through the returns system.

A combine harvester tailings return system includes a tailings conveyor and an ejection channel for depositing tailings upstream of a cleaning system. A proximity sensor is mounted to the ejection channel and is configured to sense the height of a layer of tailings during transit through the returns system.

A tailings return system for use in a combine harvester includes a tailings conveyor having an upper part and a lower part. The upper part is hingedly connected to the lower part, allowing the upper part to be folded back against the lower part to create an open space in the combine harvester, facilitating access to other components within the combine harvester.

A grain cleaning system in a combine harvester including a frame, a chaffer sieve, and a lower sieve. A clean grain chute is located under the lower sieve to catch grain falling therefrom and is inclined to direct the caught grain to a clean grain trough. A tailings return chute is disposed under the clean grain chute and is configured to direct tailings to a tailings collection trough. A multi-configurable plate is mounted to the frame and positioned under a rear portion of the chaffer sieve. The plate is moveable between different operating positions. In a first operating position the plate is configured to guide material incident thereon to the tailings return chute. In a second operating position the plate is configured to guide material incident thereon to the clean grain chute.

A grain cleaning system in a combine harvester including a frame, a chaffer sieve, and a lower sieve. A clean grain chute is located under the lower sieve to catch grain falling therefrom and is inclined to direct the caught grain to a clean grain trough. A tailings return chute is disposed under the clean grain chute and is configured to direct tailings to a tailings collection trough. A multi-configurable plate is mounted to the frame and positioned under a rear portion of the chaffer sieve. The plate is moveable between different operating positions. In a first operating position the plate is configured to guide material incident thereon to the tailings return chute. In a second operating position the plate is configured to guide material incident thereon to the clean grain chute.

The combine may include a threshing tank that is configured to store a threshing product obtained by the threshing device and includes a lower tapered portion formed in a bottom portion. A bottom screw is provided inside the lower tapered portion and configured to discharge the threshing product from the threshing tank. A threshing discharge device is connected to the bottom screw and configured to convey the threshing product from the bottom screw and discharge the threshing product in a body outward direction. The threshing tank includes an inspection port formed in a bottom section of the lower tapered portion, and a lid configured to open and close the inspection port, and the lid opens and closes by swinging upward and downward about a swing axis that is not parallel with a screw axis of the bottom screw.

A system for controlling the aggressiveness of a tailings processor that re-threshes tailings received from the grain cleaning system in an agricultural harvester is provided with at least one imaging device to image a grain sample. At least a portion of the grain sample has at least once passed through the tailings processor. A controller is connected to the imaging device and to an arrangement to automatically adjust the aggressiveness of the tailings processor. The controller is configured to automatically adjust the aggressiveness of the tailings processor using the arrangement, based on information provided by the at least one imaging device.

A system for controlling the aggressiveness of a tailings processor that re-threshes tailings received from the grain cleaning system in an agricultural harvester is provided with at least one imaging device to image a grain sample. At least a portion of the grain sample has at least once passed through the tailings processor. A controller is connected to the imaging device and to an arrangement to automatically adjust the aggressiveness of the tailings processor. The controller is configured to automatically adjust the aggressiveness of the tailings processor using the arrangement, based on information provided by the at least one imaging device.

A return pan for an agricultural combine includes a textured floor, two augers, and two motors coupled to the two augers, respectively, to selectively drive the motors in rotation.