A header for a crop harvesting machine includes front and rear wheel arrangements that pivot about respective upright axis between a field orientation and a perpendicular transport orientation, while having respective suspensions arrangements movable between different suspended heights. A biasing spring provides lift assist to carry weight of the wheel arrangement during adjustment of the suspension elevation while being isolated from the suspension once set at any one elevation. The front wheel arrangement includes an anti-rotation latch that locks the front wheel in the field orientation automatically upon disconnection of a hitch arm. A second wheel of the rear wheel arrangement can be held in a raised position relative to a first wheel in a field orientation. Load bearing surfaces between the suspended rear wheels and the header frame abut one another when latching to the header frame to isolate the suspension from the header frame in the transport orientation.

The present disclosure relates to a steering system for an agricultural machine. The steering system 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 working vehicle includes a traveling body supported by a traveling apparatus, a steering portion that steers the traveling body, a lifting/lowering apparatus that lifts and lowers a working machine, and a controller configured to execute a turning control including setting a working machine descent start line, calculating coordinates of the traveling body based on a steering operation and a traveling distance of the traveling apparatus, and in a case where the traveling body has reached the working machine descent start line in a state in which the traveling body has completed the turning, starting lowering the working machine by the lifting/lowering apparatus.

For a vehicle having left and right powered front wheels and a rear axle having left and right casters, with at least one of the casters being steerable, the steering angle of the steerable caster is controlled when the vehicle is stationary and executing a direction orientation maneuver prior to transitioning to a turn. The rotations of the steerable caster and at least one of the left and right wheels may be autonomously adjusted using a controller. The controller rotates the steerable caster about a caster axis in a direction consistent with the direction of the turn through a steering angle proportion to the magnitude of the turn, and rotates at least one of the left and right wheels to turn the vehicle in a direction consistent with the direction of the turn and in proportion to the magnitude of the turn.

An agricultural planting system comprises an implement configured to be coupled to a work machine, row units of the implement, and first and second pairs of wheels configured to pivot and rotate to facilitate a turning operation during forward travel of the planting system. The row units are arranged in first and second ranks depending on their forward-aft placement. Furrow openers of the first rank of row units are configured to contact the ground along a first contact line, and furrow openers of the second rank of row units are configured to contact the ground along a second contact line. During a turning operation, the implement turns about a turning center axis, and the first and second pairs of wheels pivot in opposite directions, which allows the first and second contact lines to remain equidistant from the turning center axis during the turn.

A method for planning and optimizing a path of a machinery moving in an area, comprises the steps of: taking coordinates of an area-contour, an operating width of the moving machinery, a distance between the area-contour and a perimetric path within the area-contour as parameters, eroding (mathematical morphological operation) the area by the distance to an interior of the area, thereby obtaining a smaller area delineated by a contour, selecting a lane orientation within the eroded area contour, and partitioning the eroded area into adjacent interior lanes, intersecting the interior lanes with the eroded area contour, thereby generating a lane grid and a corresponding connected undirected transition graph, performing a mathematical algorithm for determining an optimized sequence of position coordinates on the lane grid, wherein a complete area covering path is generated. This method enables a cost-efficient optimized path of machinery through agricultural fields.

A road transport system of a header of a harvesting machine includes two pairs of wheels and two wheel frames. Each wheel frame is connected to a pair of wheels. The two wheel frames are rotatable between a field operation position and a road transport position. A header of a harvesting machine includes two pairs of wheels and two wheel frames. Each wheel frame is connected to a pair of wheels. The two wheel frames are rotatable between a field operation position and a road transport position. A method of converting a header of a harvesting machine from a field operation mode to a road transport mode includes: releasing wheel frames of the header from the header; rotating the wheel frames from a field operation position to a road transport position; and enabling kingpin steering connections between at least one of the wheel frames and a pair of wheels.

A roll sensor is configured to detect a first roll angle at a corresponding first point of a path plan of a vehicle, or its implement, based on the estimated current position. A roll sensor is configured to detect a second roll angle at a corresponding second point of a path plan of a vehicle, or its implement, based on the estimated current position. A data processor is configured to determine a roll angle delta or difference between the first roll angle and the second roll angle. If the roll angle delta is greater than a reference roll value, the roll angle delta is evaluated over an evaluation period. For example, if the roll angle is greater than the reference roll value for equal to or greater than a target percentage or target ratio for the evaluation period, the data processor is configured to designate the roll angle sensor for possible recalibration.

A method for controlling the speed of a work vehicle towing an implement that is movable between a working position, in which ground engaging tools of the implement are configured to perform a field operation, and a transport position, in which the ground engaging tools are raised relative to the ground. The method may include monitoring, with a computing device, an implement weight supported by the implement while the implement is in the transport position. The method may further include comparing, with the computing device, the implement weight to a predetermined threshold weight. Additionally, the method may include, when the implement weight differs from the predetermined threshold weight, adjusting, with the computing device, a maximum speed limit for the work vehicle.

Self-propelled vehicles for forming bales of crop or forage material are disclosed. The self-propelled baling vehicles include independently driven real wheels and front caster wheels that allow the baling vehicle to turn with a counter-steer profile. In some embodiments, the center of mass of the formed bale is toward the rear of the vehicle to improve the weight distribution of the vehicle.