| 摘要 |
An apparatus for facilitating steering, height adjustment and transport of a farm implement towed by a vehicle. The implement includes a main frame and a hitch that extends from the frame for linking to the vehicle. The apparatus comprises a wheel support member supported below the frame, at least a first ground engaging wheel supported by the wheel support member for rotation about a first wheel axis and to engage a ground surface below the frame thereby supporting the frame above the ground, a first hydraulic lift cylinder linked between the frame and the wheel support member and controllable to adjust the height of the frame above the ground, and a hydraulic steering cylinder mounted to the wheel support member and controllable to steer the first wheel independent of the state of the first lift cylinder.
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