| 摘要 |
An apparatus for transmitting drive from an engine through a main clutch to front or rear wheels of a working vehicle, includes a main change speed device and an auxiliary change speed device. The main change speed device includes a first shaft, an intermediate shaft, and a main shaft disposed in an end-to-end relationship with the first shaft and extending parallel to the intermediate shaft. The auxiliary change speed device includes an output shaft axially overlapping and extending parallel to the main shaft, and a creep shaft extending parallel to the output shaft. The intermediate shaft supports a first shift clutch for selectively providing a first and a second speed stages. The main shaft supports a second shift clutch for selectively providing a third and a fourth speed stages. The output shaft supports a third shift clutch for selectively providing a high speed state and an ultralow speed state, and a fourth shift clutch for selectively providing a low speed state and a backward drive state.
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