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Used Hydraulic Actuators in Shanghai, China

  • Rotary Actuator DKX-E Series

    Rotary Actuator DKX-E Series

      The rotary actuator DKX-E series is a hydraulically controlled valve actuator that cannot withstand bending moments and is mainly used for performing the switching action of the valve. They are mainly used for op...

      Shanghai, China
    • Hydraulic Components Throttle Pressure Retention

      Hydraulic Components Throttle Pressure Retention Fixture III

        Shanghai, China
      • Hydraulic components Connecting rods Hydraulic

        Hydraulic components Connecting rods Hydraulic clamps

          Shanghai, China
        • 3FDF | 20-70ml/r

          3FDF | 20-70ml/r

          • Manufacturer: Shanghai Guorui Hydraulic Technology

          The 1AFDF series, alongside the 1FDF, 2FDF, and 3FDF, forms part of the quartet of gear flow dividers offered by GRH, engineered to cater to a displacement range of 1.6 to 70 ml/r. These dividers are designed to ...

          Shanghai, China
        • 1FDF | 1.6-8.42ml/r

          1FDF | 1.6-8.42ml/r

          • Manufacturer: Shanghai Guorui Hydraulic Technology

          The 1FDF series, as part of our four gear flow divider series including 1AFDF, 2FDF, and 3FDF, stands out for its precision in managing hydraulic flows, offering a displacement range of 1.6 to 8.42 ml/r. These ge...

          Shanghai, China
        • 2.5MF | 10-40ml/r

          2.5MF | 10-40ml/r

          • Manufacturer: Shanghai Guorui Hydraulic Technology

          The 2.5MF series from our lineup of seven hydraulic gear motor series stands out with its displacement range of 10 to 40 ml/r, designed to address the sophisticated demands of various industrial applications. Thi...

          Shanghai, China
        • 4MF | 66-199m/r

          4MF | 66-199m/r

          • Manufacturer: Shanghai Guorui Hydraulic Technology

          Our 4MF series hydraulic gear motors are engineered for demanding applications requiring high torque and power. With a displacement range of 66-199ml/r, they are ideal for heavy-duty operations in sectors like mi...

          Shanghai, China
        • 3.5MF | 52-115ml/r

          3.5MF | 52-115ml/r

          • Manufacturer: Shanghai Guorui Hydraulic Technology

          The 3.5MF series, part of the seven hydraulic gear motor series offered by GRH, distinguishes itself with a displacement range of 52-115 ml/r. This series is engineered for superior contamination resistance, simp...

          Shanghai, China

        Overview

        Hydraulic actuators convert hydraulic fluid pressure into linear or rotary motion, powering attachments and movements on crawler loaders, excavators, and industrial machines. They include cylinders, hydraulic motors and integrated valve assemblies in various sizes and stroke lengths. Buyers look at rated pressure, flow compatibility, mounting style, seal materials and service history. Used actuators can save money if inspected for leaks, corrosion and rod or port wear.

        FAQ

        How do I choose the right hydraulic actuator for my crawler loader?

        Match rated pressure, maximum flow, stroke length, mounting points and rod diameter to your loader’s specs. Check OEM part numbers and application loads (force/speed). Material and seal type matter for environment and duty cycle.

        What should I inspect when buying a used actuator?

        Look for external leaks, pitted or scored rods, bent rods, corrosion, smooth piston movement, intact ports and seals, and any weld repairs. Ask for pressure/test records and service history.

        How should hydraulic actuators be shipped to avoid damage?

        Drain and cap ports, protect and lock rods to prevent extension, pack on pallets or in crates, brace against movement, and use a carrier experienced with heavy hydraulic components. Insure the shipment and include condition photos.

        What routine maintenance keeps an actuator reliable and how long do they last?

        Maintain clean hydraulic fluid and filters, monitor seals, replace worn seals and bearings, and cycle-test under pressure. Life varies by duty and maintenance—properly cared-for units may last many years, while neglected ones fail quickly.