| 摘要 |
The machine has a two-part traction frame taking the power from the tractor, of which one part can turn through 180 deg. to operate in the opposite direction. There are two semi-couplings (17,17') on one frame part (2 or 3) which can be connected to an auxiliary semi-coupling (20) on the other frame part by turning one part about an axia half-way between the two. The first two semi-couplings may be continuously in drive connection via frontal gears (18,19).
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