Hydraulic system for testing hydraulic motor

The utility model discloses a hydraulic system for testing a hydraulic motor, and belongs to the field of hydraulic motors. The system comprises a rack assembly which comprises a hydraulic motor, a torque rotating speed sensor which is connected to the hydraulic motor and is used for testing the torque rotating speed of the hydraulic motor, an oil tank which is used for providing oil for the system, a driving system which is used for driving the tested hydraulic motor, and a load system which is used for providing a load for the tested hydraulic motor. And the heating circulation system is used for providing and supplementing oil for the load system. Through the hydraulic motor test hydraulic system matched with the hydraulic motor test bed, the running-in test and the inspection test can be carried out on the hydraulic motor which is repaired, replaced and reassembled with parts and components, so that whether the performance of the repaired product is qualified or not is identified, the test requirement is