| 摘要 |
A haymaking machine provided with at least one rotor (5) driven in rotation has a drive housing (12) equipped with two gears which mesh with one another and have different diameters and different numbers of teeth. Each of the gears is connected to a shaft extending out of housing (12) and is able to be driven from power takeoff shaft (11) of the tractor. A third gear is provided with a driven shaft (23) and is able to be connected to rotor (5). The third gear able to be meshed with one or the other of the two above-mentioned gears.
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