| 摘要 |
A tractor consists of a traveling-system transmission(10), a sub- transmission(14) and a gear-type transmission(11). Engine power is transmitted to a rear-wheel differential device(15) and PTO through (10) (14) (11). The traveling-system transmission(10) is an hydraulic clutch-type. The sub-transmission(14) is connected to a hydraulic clutch-type transmission. The gears (29, 30, 31) of the main shaft drive the transmission(10,11).
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