| 摘要 |
A transmission includes a first gear, and a second gear is fixed to one end of a shaft with the second gear engaging the first gear. A bevel gear is rotatably supported on the shaft and engages a power input gear. A hub is fixed to the bevel gear for concentric rotation about the shaft; the hub having a splined outer section. A planetary gear set including a sun gear and a carrier are arranged concentrically about the splined outer section of the hub. A splined section is fixed to an opposite end of the shaft. A collar assembly includes first and second collars, each having internal teeth and external teeth. The first collar and the second collar are axially coupled together and independently rotatable relative to one another, and the collar assembly slidably engages the splined section and the splined outer section.
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