| 摘要 |
The invention relates to a device for towing and for setting the track of a three-wheeled straddle tractor. The device consists essentially of two arms (30), each one pivoting with respect to the axle (161) of a rear wheel (18) including, at their front end, a perpendicular stub axle (311) on which is mounted a road-going wheel (32) and, at their rear end, an oblique stub axle (331) located in alignment with the pivoting arms (30), on which is mounted a small wheel (34). These two pivoting arms may be manoeuvred individually or together, via thrust cylinders (40) connecting their rear part (33) to a rear strut (16). Application: viticulture. <IMAGE>
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