| 摘要 |
A crop harvesting vehicle including a self-propelled chassis and a crop harvesting header coupled on the chassis. The header includes a variety of crop handling elements such as a cutter, a reel, a crop-consolidating conveyor, and conditioning rolls which cooperate in a hay windrowing operation. The chassis includes drive wheels driveable from an engine on the chassis through a hydrostatic drive system including two pumps and two motors hydraulically interconnected. The crop handling elements on the header are drivable through a third pump hydraulically connected to a motor on the header. The three pumps are mounted on the chassis with the rotary input drives thereof successively interconnected in coaxial alignment enabling the pumps to be simultaneously driven through a direct common input from the vehicle engine. The pumps for driving the vehicle and the pump for driving the crop handling elements are separately controllable and provide variable speed control and reversing of the vehicle and the header elements.
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