An agricultural machine includes a chassis, a crop-cutting member coupled to the chassis; and a crop-conditioning member coupled to the chassis and positioned rearward of the crop-cutting member. The crop-conditioning member includes a first macerator assembly and a second macerator assembly. The first macerator assembly includes a first roll configured to rotate about a first rotational axis, a second roll configured to rotate about a second rotational axis, and a first endless member surrounding and engaged with the first roll and the second roll. The second macerator assembly is spaced apart from the first macerator assembly; and a maceration zone is defined between the first macerator assembly and the second macerator assembly. The endless member rotates to macerate crop disposed between the first macerator assembly and the second macerator assembly.

An arrangement for controlling the height and/or incline of a combine header for harvesting thin-stemmed crops includes a control system which is connected to a sensor for detecting the height of the combine header above the ground, and to an actuator for controlling the height and/or incline of the combine header and which can be operated to control the actuator in dependence on signals of the sensor. A mulching appliance with a cultivating tool for shredding plant stumps is attached to the combine header in a vertically movable manner following the contour of the ground, and the sensor is set up to detect the position of the mulching appliance relative to the combine header.

An arrangement for controlling the height and/or incline of a combine header for harvesting thin-stemmed crops includes a control system which is connected to a sensor for detecting the height of the combine header above the ground, and to an actuator for controlling the height and/or incline of the combine header and which can be operated to control the actuator in dependence on signals of the sensor. A mulching appliance with a cultivating tool for shredding plant stumps is attached to the combine header in a vertically movable manner following the contour of the ground, and the sensor is set up to detect the position of the mulching appliance relative to the combine header.

A harvesting head for a combine and method of operating. An attachment frame at an aft end of the head attaches with a combine feederhouse. A main frame of the head is movably connected to the attachment frame, and the main frame has a range of travel with respect to the attachment frame. A resilient float element is provided between the attachment and main frames. A flexible cutterbar on the main frame operates to cut crops. The cutterbar is supported on the main frame by a plurality of pivoting arms distributed across a width of the head. With the main frame in a nominal intermediate position within the range of travel, the plurality of pivoting arms have 10 percent or less of total available travel as upward travel and at least 90 percent of total available travel as downward travel when the head is set in the nominal position.

A header of a combine harvester is provided. The header includes a belt conveyor configured to direct a movement of harvested crop material toward a feederhouse of the combine harvester. The belt conveyor is located adjacent an inlet of the feederhouse. The belt conveyor includes at least one protrusion extending radially from the belt conveyor that helps direct movement of harvested crop material toward the feederhouse.

Harvesting machines and agricultural harvesting heads for harvesting machines are disclosed herein. A harvesting machine includes a main frame, a cutter assembly, and a conveyor system. The cutter assembly is pivotally coupled to the main frame. The cutter assembly includes a cutter bar configured to sever crop material adjacent to the ground and a cutter frame configured to support the cutter bar for pivotal movement relative to the main frame. The conveyor system is coupled to the main frame and configured to convey severed crop material in a rearward direction away from the cutter bar toward a central feed drum of the harvesting machine.

An agricultural harvesting header includes a first frame portion and a second frame portion moveably connected to the first frame portion. An upper control arm is pivotally connected to the first frame portion and pivotally connected to the second frame portion. A lower control arm pivotally connected to the first frame portion and pivotally connected to the second frame portion. The connection between the first frame portion, second frame portion, upper control arm, and a lower control arm forms a roll center positioned at or below ground level.

An agricultural harvesting header includes a first frame portion and a second frame portion moveably connected to the first frame portion. An upper control arm is pivotally connected to the first frame portion and pivotally connected to the second frame portion. A lower control arm pivotally connected to the first frame portion and pivotally connected to the second frame portion. The connection between the first frame portion, second frame portion, upper control arm, and a lower control arm forms a roll center positioned at or below ground level.

A header of a combine harvester includes a belt conveyor configured to direct a movement of harvested crop material toward a feederhouse of the combine harvester. The belt conveyor is located adjacent an inlet of the feederhouse. The belt conveyor includes at least one protrusion extending radially from the belt conveyor that helps direct movement of harvested crop material toward the feederhouse.

A dust management system for an agricultural harvester includes a perforated tube extending transversely through a feeder housing of the harvester. The perforated tube has exhaust plenums at opposite ends directing any flow towards the ground over which an agricultural harvester operates. A longitudinal drive shaft mounts axial flow fans within the exhaust plenums and a drive shaft is driven through a pulley system so that rotation of the drive shaft induces flow through the perforated tube and out of the exhaust plenum.