Reliable Supplier Rotary Drilling Rig Accessaries

Product Description:

IYJ-L Series free fall hydraulic winches are widely applied in pipe laying machines, crawler cranes, vehicle cranes, grab bucket cranes and crushers.  Their reliable free fall function is achieved by we adopting the advanced hydraulic clutch & braking systems, which we have been innovating constantly for two decades.  The winches feature compact structure, durability and high cost-efficiency.


  • Payment Terms: L/C,D/A,D/P,T/T
  • Having a sound business enterprise credit score, outstanding after-sales assistance and modern producing facilities, we have now earned an exceptional name among our shoppers across the planet for Reliable Supplier Rotary Drilling Rig Accessaries, We welcome new and outdated consumers from all walks of life to make contact with us for long run small business relationships and mutual success!
    Having a sound business enterprise credit score, outstanding after-sales assistance and modern producing facilities, we have now earned an exceptional name among our shoppers across the planet for Rotary Drilling Rig Accessaries, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to supply more quality merchandise and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.
    Mechanical Configuration:  The winch consists of planetary gearbox, hydraulic motor, wet type brake, various valve blocks, drum, frame and hydraulic clutch.   This winch performs two speed control when assembled with variable displacement and two speed hydraulic motor.  When combined with hydraulic axial piston motor, its working pressure and drive power can be greatly improved.  Customized modifications for your best interests are available at any moment.

    free fall winch configuration

    The Free Fall Winch’s Main Parameters:

    Winch Model

    IYJ4.75-150-232-28-ZPGH5Q

    Number of Rope Layers

    4

    Max. Pull on 1st Layer(KN)

    150

    Drum Capacity(m)

    232

    Max. Speed on 1st Layer(m/min)

    81

    Pump Flow(L/min)

    540

    Total Displacement(mL/r)

    12937.5

    Motor Model

    A2F250W5Z1+F720111P

    System Pressure(MPa)

    30

    Gearbox Model

    C4.57I(i=51.75)

    Motor Diff. Pressure(MPa)

    28.9

    Clutch Opening Pressure(MPa)

    7.5

    Rope Diameter(mm)

    28

    Single Rope Pull on Free Rotation(kg)

    100


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