| 摘要 |
A drive train for use with a tractor having an engine includes a transmission module having an input side coupled to the engine and an output side. The output side is rotatable in response to rotation of the input side to define a transmission speed ratio. A differential module includes a drive input coupled to the output side, and including an axle. The axle is configured to rotate in response to rotation of the drive input to define a differential speed ratio. A control module is coupled to the transmission module and to the differential module, and is configured to independently vary the transmission speed ratio and the differential speed ratio. The drive train operates using a single lever control and does not require a clutch.
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