FIELD: transportation.
SUBSTANCE: invention relates to transport, particularly, to auxiliaries devices. Hydraulic trailer of a semi-tractor contains a tractor hitch and a flexible power constraint. Flexible power constraint is fixed by one end in the bracket on the lower rear part of the rear tractor half tram going through cross head made from the flexible chain connection connecting upper pull-rods of the rear tractor hitch, and fixed by the subsequent end around the power beam of the drawbar of the trailer.
EFFECT: increased practicability, reduced slippage when driving on a slippery road, off-road, soils with low bearing capacity or presence of the underlying cryosolic layer are achieved.
1 cl, 3 dwg
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