FIELD: transport.
SUBSTANCE: system relates to machine building, particularly, to operation of construction and road building machinery equipped with hydraulic displacement drive in winter. Claimed system is composed of hydraulic cylinder with hollow rod filled with heat-retaining material and coated with plies of heat insulation and mud-and-water protection.
EFFECT: heat retention in operation and release in shutdown allows maintenance of working fluid temperature at optimum range for starting.
2 dwg
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