| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic motor unit having a large scope of use irrespective of small cost of its structure and a small required space. SOLUTION: A hydraulic motor unit has at least two hydraulic motors 1, 2. At least one of the hydraulic motors 1, 2 on one side can change its suction volume. The hydraulic motors 1, 2 can be mutually connected in parallel with respect to their liquid force and have driven rotors 5, 6 connected mutually. The driven rotors 5, 6 are coaxially arranged with respect to each other and are mutually connected so as to rotate synchronously.
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