Hydraulic oil tank

The utility model provides a hydraulic oil tank, includes the oil tank body and sets up the fuel tank cap on the oil tank body, the upper portion of oil tank body is located along being equipped with the oil trap all around below the fuel tank cap, be equipped with the oil drain port in the oil trap, its characterized in that: the top and the oil drain port department of oil trap all are equipped with the filter screen, it is protruding all to be equipped with the fine hair form that flexible material made on the inside wall of oil trap and the bottom surface, be equipped with the magnetic material layer who matches with the oil trap shape in the oil trap, the fine hair form is protruding to be set up on magnetic material layer, magnetic material layer is removable to be installed in the oil trap. This hydraulic oil tank retrieves the fluid cleanness, the subsequent processing cost is lower.