| 摘要 |
A crop harvesting machine convertable between a longitudinally movable operating position and a laterally movable transport position is disclosed wherein the frame of the crop harvesting machine is pivotally rotated about a pivot axis carried by the draft member such that the header becomes positioned in a generally vertical alignment while a wheel assembly mounted on top of the frame during the harvesting operation is rotated into engagement with the ground. When the tongue is swung around into a laterally extending position and one of the operating wheels is turned 90 degrees to a laterally oriented position, the crop harvesting machine can be transported in a laterally extending direction. A cam operated selector valve diverts the flow of fluid through the hydraulic circuit from the header lift cylinder to a hydraulic cylinder used to rotate the frame about the pivot axis when the tongue is moved to a preselected actuating position. A method for converting a crop harvesting machine from a normal operating position to a lateral transport position is also disclosed.
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