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Characteristic:

1. Aluminum-titanium alloy material manufacturing, fuselage forming in one; light weight, high strength, good flexibility.

2. Single-acting design, ratchet and pawl structure; powered by hydraulic pump station, without pressure holding, and can work continuously until the nut is locked to the required torque; the body is simple, easy to use and can be automatically reset.

3. With "ratchet adjusting handle ring", the working position of ratchet wheel can be adjusted conveniently. The hydraulic wrench is designed with 12 opposite sides, which can be inserted into the nut to be locked conveniently and quickly.

4. Designed specifically for locomotive maintenance, it can work in narrow space and small area. Flexible and light, it can greatly improve work efficiency and reduce labor intensity.

5. Self-contained solenoid valve control and remote control device; equipped with single-acting MP04DR56 wrench special single-acting electric hydraulic pump, JH7460 hydraulic hose (length 6m, with C901 fast connection).