A steering system for an agricultural machine includes a first and second wheel assembly. Each wheel assembly includes an axle assembly including an axle, wheels rotatably connected to the axle, and a double-action hydraulic cylinder. In some embodiments, the double-action hydraulic cylinder is configured to pivot the wheels in either direction to indicate a direction of turn. In some embodiments, the double-action hydraulic cylinder of the first wheel assembly is hydraulically linked in its operation to an operation of the double-action hydraulic cylinder of the second wheel assembly.

A horizontally foldable toolbar includes opposite wings having flex joints which can be selectively locked to prevent flexing of the joints when the wings are in a transport position and unlocked to permit flexing of the joints when the wings are in a field position. The lock assembly includes a hydraulic cylinder with an extendable and retractable arm. Operation of the hydraulic cylinder can be controlled by an operator remotely, such as from a tractor cab. The stroke of the hydraulic cylinder can be adjusted to accommodate wear on the wing components.

Arrangement for positioning mechanisms of seed drill machines for transport, preferably of the “auto trailer” type, including at least one toolholder bar, with their respective sowing units, divided into a central piece coupled to the structure of the chassis, and two side pieces, one at each side of the central piece, which pivot in a horizontal plane for being folded, with the corresponding sowing units, from the working position of the seed drill to the transport position parallel to the longitudinal axis of the chassis. The toolholder bar is mounted on a cart attached by guide plates to a lift tower and moves both up and down along said tower by triggering hydraulic cylinders. The lift tower is coupled to mobility device, with the toolholder bars and sowing units, from the working position to the transport position of the seed drill, and vice versa. The transport position is defined in a section of the drawbar next to the attachment end of a transportation tractor of the machine.

A wheel assembly of a harvester header includes a latch and a pin. The pin is configured to engage the latch while a wheel of the wheel assembly is at a first position and the pin is configured to disengage the latch while the wheel of the wheel assembly is at a second position. Engagement of the pin and the latch is configured to block movement of the wheel relative to a frame of the harvester header.

An implement operating apparatus has a U-shaped drive frame supported on drive wheels, each pivotally mounted about a vertical wheel pivot axis. A steering control selectively pivots each drive wheel. A power source is connected through a drive control to rotate the drive wheels in either direction. First and second implements are configured to perform implement operations and to rest on the ground and when the drive frame is maneuvered to an implement loading position with respect to each implement, the implement is connectable to the drive frame and movable to an operating position supported by the drive frame. When the implement is in the operating position, the steering and drive controls are operative to move and steer the drive frame and implement along a first travel path or a second travel path oriented generally perpendicular to the first travel path.

A cutting unit for an agricultural working machine and a method for adjusting the cutting unit are disclosed. The cutting unit comprises a support body, a cutting device on the support body, a front suspension arranged on the support body on a first half of the cutting unit and has at least one wheel that rotates about a front axle and a rear suspension on the support body on a second half of the cutting unit and has at least two wheels that rotate about a rear axle, the front suspension and the rear suspension being rotatable about a respective rotary axis relative to the support body so that the front and rear suspensions can each be transferred between a transport position and a working position. The front suspension and the rear suspension, when in their respective working position, are moved relative to the support body between a high position and a low position.

An implement operating apparatus has a U-shaped drive frame supported on drive wheels, each pivotally mounted about a vertical wheel pivot axis. A steering control selectively pivots each drive wheel. A power source is connected through a drive control to rotate the drive wheels in either direction. First and second implements are configured to perform implement operations and to rest on the ground and when the drive frame is maneuvered to an implement loading position with respect to each implement, the implement is connectable to the drive frame and movable to an operating position supported by the drive frame. When the implement is in the operating position, the steering and drive controls are operative to move and steer the drive frame and implement along a first travel path or a second travel path oriented generally perpendicular to the first travel path.

A transportable agricultural combine header includes a frame and a wheel assembly attached to the frame. The wheel assembly includes: (a) at least one spindle to which a wheel is configured to be mounted; (b) a rotatable arm connected to and extending from the spindle; (c) a frame attachment structure attaching the at least one spindle and the rotatable arm to the frame; and (d) a suspension system interconnecting the rotatable arm and the frame attachment structure for reducing stress on the frame as the agricultural combine header is transported.

An agricultural header for an agricultural vehicle includes: a header frame; at least one cutter carried by the header frame and configured to cut crop material; and a transport assembly coupled to the header frame. The transport assembly includes: a first arm coupled to the header frame and including a first wheel mount configured to mount a first transport wheel thereto; a second arm pivotably coupled to the header frame and including a second wheel mount configured to mount a second transport wheel thereto; and a cross arm coupling the first arm to the second arm. The cross arm is releasably coupled to the first arm such that the cross arm and the second arm are slideable and nestable with one another when the cross arm is uncoupled from the first arm.

A harvesting system includes a header pivotally attached to a combine. The header includes a center section to which a left wing and right wing are pivotally attached. A suspension system of the harvesting system includes first and second engageable states that enable dynamic wing behavior and reduce structural load. The first state corresponds to a harvesting configuration of the header in which the wings are allowed to pivot to allow the header to follow changes in terrain. The second state corresponds to a configuration in which the header is elevated relative to the ground. In the second state, the ability of the wings to pivot is minimized as compared to the first state, which allows the header to be maintained in a substantially flat configuration while minimizing the amount of dynamic load imparted by the header on the combine during non-harvesting transport of the header.