Automatic steering system for an agricultural implement

An assembly for facilitating steering of an agricultural implement linkable to a work vehicle for towing the agricultural implement through a field along a path, the agricultural implement including a main frame and a connection joint for linking the main frame to the work vehicle, the assembly comprising:

• a wheel support member supported below the frame;
• at least a first ground-engaging wheel supported by the wheel support member to engage a ground surface below the frame thereby supporting the frame above the ground surface;
• at least a first lift cylinder connected between the frame and the wheel support member and controllable to adjust the height of the frame above the ground;
• an implement receiver for receiving positioning signals from a positioning source, the implement receiver determining current positions of the implement receiver from at least the positioning signals as the agricultural implement travels in the field, and the implement receiver sending receiver signals derived from the current positions of the implement receiver;
• a controller operatively connected to the implement receiver for receiving the receiver signals and determining a coverage area of the field based upon prior receiver signals, and the controller generating a control signals derived from the receiver signals and the coverage area;
• and
• a steering cylinder connected to the wheel support member and operatively connected to the controller to steer the first ground-engaging wheel based on the control signals thereby continually adjusting the path as the agricultural implement travels through the field to minimize the creation of a non-coverage area of the field.