FIELD: transport.;SUBSTANCE: invention relates to wheeled vehicles. Proposed device comprises frame connected by hydraulic cylinder with means increasing wheeled vehicle flotation. Hydraulic cylinder chambers are communicated with hydraulic control valve. Limiter washers are fitted on hydraulic control valve rods. Hydraulic control valve is communicated with hydraulic system via pressure and drain lines. One chamber of hydraulic control valve is communicated with one chamber of hydraulic cylinder via one oil duct. Another chamber of hydraulic control valve is connected with another chamber of hydraulic cylinder via lines, one being equipped with check valve and another one provided with adjustable orifice. Proposed device consists of a weight hinged to wheeled machine frame and hydraulic cylinder rod. Yoke is arranged between limit washers and rigidly coupled with weight.;EFFECT: improved flotation.;3 dwg
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