A tractor includes a link mechanism and a power extractor. The link mechanism includes a top link, a right lower link, and a left lower link. A work apparatus is connectable to the link mechanism to move the work apparatus upward and downward. The power extractor is connectable to a power input of the work apparatus to take power from a power source and supply the power to the work apparatus. The power extractor is located at a position lower than a lowest position of the right lower link and a lowest position of the left lower link.

A working vehicle includes a vehicle body to be coupled to a working device, a communication controller to obtain first operation information relating to operation of the working device, the communication controller being electrically connected to the working device to communicate bi-directionally with the working device, an applicability judging device to judge applicability of the working device to the operation based on the first operation information obtained by the communication controller, and a display device to display the applicability judged by the applicability judging part.

A hitch assembly may comprise a pair of fixed actuator support brackets that are mounted to a vehicle frame and a pair of modular actuator connection brackets that are connected to the pair of support brackets. The hitch assembly may further comprise a pair of lower links that are connected to the pair of fixed actuator support brackets and a cross bar that connects a first lower link of the pair of lower links to a second lower link of the pair. The hitch assembly may further comprise a pair of electric linear actuators that are connected to the pair of modular actuator connection brackets and the pair of lower links, as well as a top link that is at least pivotally connected to a top link bracket on the vehicle frame, in which the lower links are is moved by extension or retraction of the connected electric linear actuators.

A work vehicle includes a lifting mechanism to control at least one of a height and a posture of a work machine connected to the work vehicle. The lifting mechanism is able to control at least one of the height and the posture by using a hydraulic drive. The work vehicle includes an oil-temperature acquirer to acquire an oil temperature to be used for the hydraulic drive, a maximum oil amount setter to set a maximum oil amount according to the oil temperature acquired by the oil-temperature acquirer, the maximum oil amount being a maximum value of a supply amount of oil used to drive the hydraulic drive, and a hydraulic drive controller to control the hydraulic drive below the maximum oil amount set by the maximum oil amount setter.

A tractor with at least one lifting mechanism that has an upper link and lower links and actuators associated therewith, at least one attachment adapted to the lifting mechanism, and a driver assistance system is disclosed. The driver assistance system optimizes the operation of the tractor and has a computing unit, a memory unit and at least one input interface. The computing unit processes information generated by machine-internal sensor systems, external information, and information that may be saved in the memory unit. The tractor and/or the at least one attachment include a control device for controlling and regulating the tractor and the attachment. The driver assistance system comprises an automatic lifting mechanism that is configured to function based on characteristics, and to optimize adjustment of at least one work parameter of the tractor depending on selectable regulation strategies and/or optimization target variables saved in the memory unit.

A vehicle attachment carrier loading guidance system may include a sensor for being supported by vehicle supporting a removable attachment having a mount interface for interacting with a mount on an attachment carrier distinct from the vehicle, wherein the sensor is output steering angle signals. The system may further comprise a controller to output presentation signals based upon the steering angle signals. The presentation signals are to generate a visual representation of a projected path of the mount interface with respect to the mount.

A vehicle connection guidance system may include a sensor and a controller. The sensor is configured to be supported by a vehicle having a first width and a connection interface, the connection interface having a second width different than the first width and along which multiple connection points lie, wherein the sensor is to output steering angle signals. The Controller is configured to output presentation signals based upon the steering angle signals The presentation signals are to generate a visual presentation of a projected path of the width of the connection interface to an operator of the vehicle.

An electric tractor including one or more all-electric bidirectional force exerting three-point hitch assemblies for lifting and lowering farm tool implements in level relationship to the ground regardless of the elevation of lift applied to the implement. The front, middle and rear three-point hitch assemblies are each operated using linear actuators. The hitches may be coupled with battery boxes to provide power and to counterbalance attached farm implements. Each of the described three-point hitch assemblies (including embodiments for front, middle and rear positions) may be operated through manipulation of electric controls. Electronic components include controller, displays, panels, wiring harnesses, linear actuators, joy sticks, lighting, switches, gauges, electric battery management system for managing one or more power sources, and processing modules and memory for controlling hitch movement and implements. The three-point hitch assemblies enable work in the front, middle and rear areas of the tractor.

In a hydraulic adjustment device, preferably for transverse adjustment of the lower links of a three-point power lift on an agricultural machine, with two selectively controllable hydraulic cylinders and a hydraulic control circuit for actuating them, a control circuit with a pressure control device for generating an adjustable control pressure in dependence on an electrical control signal is provided, and a pressure-controlled changeover valve is connected to the pressure control device and, when a first control pressure value is applied, assumes a first switching position in which a first cylinder is connected to a pressure sink and the second cylinder is connected to a pressure source, and, when a second control pressure value is applied which is higher than the first control pressure value, assumes a second switching position in which the first cylinder is connected to the pressure source and the second cylinder is connected to the pressure sink.

A working vehicle includes a traveling vehicle body, a linking device capable of linking a working device to the traveling vehicle body, a sensor provided on the working device to monitor at least a surrounding area of the working device provided on the working device, and a controller to perform control relating to automatic operation of the traveling vehicle body based on a planned travel route and monitored information obtained by the sensor. The controller is configured or programmed to include an automatic operation controller to determine the automatic operation to be performed if the monitored information contains no obstacles and to determine the automatic operation not to be performed if the monitored information contains an obstacle.