A work vehicle may include a chassis, linkage, and locking pin. The linkage may include an upper link pivotally connected to the chassis, lower link pivotally connected to the chassis, and boom. The boom may include an upper arm pivotally connected to the upper link, lower arm pivotally connected to the lower link, front arm pivotally connected to a work tool assembly, and locking tab affixed to one of the front arm and the lower arm and protruding from one of the front arm and the lower arm in a direction away from the work tool assembly. The locking pin may be connected to the chassis and extend laterally relative to the chassis from a retracted position outside a travel path of the locking tab to an extended position intersecting the travel path of the locking tab.

An agricultural tillage implement including a main frame section having a pull hitch tube extending in a travel direction, which may be a telescoping pull hitch tube, a plurality of pivotally coupled wing sections coupled with the main frame section, and a plurality of pivoting wing front shank frames. Draft linkage assemblies connect the plurality of pivotally coupled wing sections to the telescoping pull hitch tube, while allowing both the pivoting wing front shank frames and the plurality of pivotally coupled wing sections to articulate correctly. The main shank frame, the pivotal wing front shank frames, and the wing sections articulate from an operating configuration to a transport configuration.

An agricultural hitch with a system for management and guidance of maneuvers and a method employed by the hitch is provided. The hitch includes a tractor, an agricultural machine hitched by an articulated linkage, and a system for management and guidance of maneuvers, provided with a computing and control unit. The computing and control unit or of the hitched agricultural machine constitutes the master unit of the system for management and guidance of maneuvers, and is adapted to compute a set path for a maneuver to come, by employing an algorithm for prediction of paths and an algorithm for optimization of path settings, and to automatically execute the maneuver or of assisting in semiautomatic execution of the maneuver by steering the tractor and by recording, during maneuvering, the differences between the predefined set path and the real or currently estimated path.

A coupling assembly is provided for coupling an implement to a vehicle having a pickup hitch. The pickup hitch has a drawbar which is slidable in a pivotal drawbar housing. A coupler frame is attached to the implement, and has a socket which receives a ball mounted to the drawbar. Side members are attached to the coupler frame. Recesses are formed on the sides of the drawbar. In a coupled position, the side members are received by the recesses and are held between the drawbar housing and the drawbar.

A method for providing improved ride control for a work vehicle when transporting a drawn implement may include monitoring a load applied through a drawbar-related component(s) of the work vehicle while the drawn implement is being transported, wherein the drawn implement is located at a transport position relative to a driving surface of the work vehicle such that a ground engaging tool of the drawn implement is located above the driving surface. The method may also include detecting a variation in the monitored load over time, comparing the detected load variation in the monitored load to a predetermined load variance threshold and controlling an operation of at least one of an implement suspension system of the drawn implement or a vehicle suspension system of the work vehicle so as to reduce the detected load variation in the monitored load when the load variation exceeds the predetermined load variance threshold.

An agricultural machine or implement has a main frame section and at least one wing section, each having lift cylinders. A main shank frame may be pivotally attached to the main frame section and may have hydraulically adjustable gauge wheels. Wing shank frames may be pivotally attached to the wing sections and may also have hydraulically adjustable gauge wheels. Bypass circuits may be used to individually adjust the lift cylinders and gauge wheel cylinders. A controller or controllers is used to purge air from the lift cylinders, gauge wheel cylinders, cylinders used to raise the shank frames for transport, and from the bypass circuits. The purge routine may be selectable as individual steps, hydraulic subsystem purges, or as one automatic purge routine.

A tracking adjustment arrangement for an agricultural tillage implement includes a main frame section, a pull hitch coupled with and extending forward from the main frame section, and a pair of wing sections respectively pivotally coupled with opposite lateral sides of the main frame section. The tracking adjustment arrangement includes a pair of draft members and a pair of turnbuckles. Each draft member is configured for coupling between the pull hitch and a respective one of the wing sections. Each turnbuckle is coupled with an end of a respective draft member.

An agricultural machine and attachment combination has a wireless attachment connection for transmitting electronic information, commands, and electric power between the agricultural machine and attachment. An agricultural machine side control system having a wireless interface is connected to the agricultural machine and an attachment side control system having a wireless interface is connected to the attachment. Each interface has at least one inductively coupled communication receiver and at least one inductively coupled communication transmitter. The transmitters and receivers cooperate to transmit electronic information and commands between the agricultural machine side control system and the attachment side control system. A primary coil is connected to the agricultural machine for transmitting power to the attachment. A secondary coil is connected to the attachment for receiving power from the agricultural machine. The primary coil and the secondary coil cooperate to transmit power from the agricultural machine to the attachment using inductance.

The adjustable hitch assembly of the present invention is mounted to the 3 point hitch system or quick attach frame on the rear of a tractor, and allows equipment, tools and implements to be hitched thereto. The hitch assembly includes a frame for mounting to the tractor, a carriage slidably mounted to the frame, and a hitch plate extending rearwardly from the carriage. The hitch assembly also includes an actuator for adjusting the lateral position of the hitch plate relative to the tractor. The actuator is coupled to the hydraulic system of the tractor. The actuator can be controlled remotely from the cab of the tractor.

An agricultural tillage implement including a main frame section having a pull hitch tube extending in a travel direction, which may be a telescoping pull hitch tube, a plurality of pivotally coupled wing sections coupled with the main frame section, and a plurality of pivoting wing front shank frames. Draft linkage assemblies connect the plurality of pivotally coupled wing sections to the telescoping pull hitch tube, while causing both the pivoting wing front shank frames and the plurality of pivotally coupled wing sections to articulate correctly. The main shank frame, the pivotal wing front shank frames, and the wing sections articulate from an operating configuration to a transport configuration.