| 摘要 |
A planetary sub-transmission for a vehicle has a planetary gear unit with a carrier member fixedly mounted on an output shaft, a sun gear mounted on the output shaft for rotation, and a ring gear fixedly supported by the sub-transmission case. A remotely operable shift member supported by an input shaft for axial movement selectively couples the input shaft to the output shaft, either directly or through the sun gear of the planetary unit, to shift the sub-transmission between high speed and low speed drive ranges.
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