A harvesting header of an agricultural machine includes a frame, a cutting mechanism coupled to the frame and configured to cut crop, an auger rotatably coupled to the frame at a location rearward of the cutting mechanism, and an impeller rotatably coupled to the frame at a location rearward of the auger. The impeller is configured to receive crop from the auger and condition the cut crop. The crop is projected by the auger in a rearward and upward direction relative to the impeller.

A connection arrangement for use in a forage harvester between a feed roller and a gear box of a forage harvester is disclosed. A gearbox shaft with a central through bore is rotatingly supported in a gearbox housing around an axis of rotation, an outer surface of a distal end of the gearbox shaft being provided with ridges. A feed roller shaft is rotatingly supported around the axis of rotation, the feed roller shaft having a central blind bore aligned with the central through bore of the gearbox shaft, an outer surface of a distal end of the feed roller shaft being provided with ridges. A connecting shaft is located within the central bores of the gearbox shaft and the feed roller shaft. A sleeve having internal splines is provided, surrounding the distal ends of the gearbox shaft and the feed roller shaft. The splines of the sleeve match the ridges of the gearbox shaft and the feed roller shaft so as to provide torque transmission between the gearbox shaft and the feed roller shaft. A locking element secures the splined sleeve axially in position about the distal ends of the gearbox shaft and the feed roller shaft.

A mower-conditioner assembly of a self-propelled windrower includes a frame, a cutting mechanism coupled to the frame for cutting crop, a conditioner rotatably coupled to the frame at a location rearward of the cutting mechanism, and a fluffer assembly rotatably coupled to the frame at a location rearward of the conditioner. The fluffer assembly includes at least an elongated roll and a crop moving element. The conditioner crimps the crop after it is cut, and the fluffer assembly fluffs or moves the crop during operation.

An agricultural crop conditioner comprising: a frame; first and second conditioner rolls with the second conditioner roll being movable towards and away from the first conditioner roll to change a size of a gap between the rolls; a tensioner configured to generate closing force component to bias the second conditioner roll in the closing direction; a conditioner roll drive circuit; and a hydraulic actuator. The conditioner roll drive circuit has a hydraulic pump and motor to drive at least one of the conditioner rolls. The hydraulic actuator is configured to convert pressure from hydraulic fluid in the reverse supply line into an opening force to bias the second conditioner roll away from the first conditioner roll. The opening force is less than the closing force when the pump is operated in a forward direction, and greater than the closing force when the pump is operated in a reverse direction.

An agricultural crop conditioner comprising: a frame with a first conditioner roll rotatably mounted to the frame, and a second conditioner roll rotatably and movably mounted to the frame. A tensioner is connected between the frame and the second roll, and configured to generate a first force to bias the second roll towards the first roll. The conditioner has a roll drive circuit comprising a hydraulic pump configured to drive a hydraulic motor. A hydraulic actuator is operatively connected to a forward supply line between the pump and the motor. The hydraulic actuator is configured to change the first force as an inverse function of changes in a pressure of hydraulic fluid in the forward supply line during operation of the hydraulic motor in a forward processing direction.

A forage harvester is disclosed including a grain processor for processing of a chopped crop. The grain processor is driven by a belt drive in which an endless belt has a belt tension, an actuator for adjusting the belt tension in the belt drive and a control device for adjusting the actuator. The control device is configured to control the actuator based on input signals supplied to the control device with regard to a property of the crop and a stored relationship between the signal and an associated setting value of the actuator in terms of adapting the belt tension in the belt drive to the property of the crop. The control device is configured to receive the input signals from a sensor that interacts with the crop upstream of the grain processor and/or taken location-specific from a stored map. The actuator is commanded to adjust the belt tension in the belt drive based on the input signals related to the crop being processed.

A windrower has a first dual-path steering mode, causing a left drive wheel and a right drive wheel to concurrently rotate, wherein the rotation of the left drive wheel is in a direction opposite that of the rotation of the right drive wheel and the position of tailwheel casters are not controlled but are permitted unconstrained rotation. The windrower also has a second tailwheel steering mode non-overlapping in operation with the dual-path steering mode, causing the left drive wheel and the right drive wheel to rotate concurrently in only a same direction and the tailwheel casters are steered based in part on tailwheel caster steer position information received from a sensor.

A method of determining a crop yield of a field harvested by a windrower includes receiving, from a header sensor, header data indicative of a load experienced by a header of the windrower, the header including a cutter configured to cut plant material and a conditioning system configured to condition the plant material. The method further includes receiving, from a location sensor, location data indicative of a location of the windrower, and determining the crop yield at the location of the windrower based on the header data and the location data.

A torque-limiting device for secure transmission of a rotation between an inlet baseplate and an outlet baseplate, including at least one drive bolt that forms a breaking element by shearing in case of a torque exceeding a predetermined threshold, and an intermediate baseplate that is driven by the inlet baseplate and which in turn drives the outlet baseplate. The at least one bolt ensures driving of the intermediate baseplate and the inlet baseplate or the outlet baseplate. The intermediate baseplate includes at least one locking element by shape cooperation with a locking part of the bolt, and the torque-limiting device has a larger number of locking elements than of bolts. An agricultural machine can include such a torque-limiting device.

A torque-limiting device for secure transmission of a rotation between an inlet baseplate and an outlet baseplate, including at least one drive bolt that forms a breaking element by shearing in case of a torque exceeding a predetermined threshold, and an intermediate baseplate that is driven by the inlet baseplate and driving the outlet baseplate. The bolt ensures driving of the intermediate baseplate and the inlet baseplate or the outlet baseplate. The intermediate baseplate includes a locking element by shape cooperation with a locking part of the bolt. The intermediate baseplate is formed by two plates pressed against one another, one of which is used for housing of the locking part of the bolt and the other of which is used for axial support of the locking part and housing of the screw rod. An agricultural machine can include such a device.