Hollow Ram Jacks

Our Hollow Ram Jacks are available in single or double acting and is intended for use with a threaded bar system (ie. DYWIDAG).


Load bearing capacity: 265kN - 576kN
Stroke limit 155mm – 330mm
Can be computer controlled with our advanced Monitoring solutions

Our Hollow Ram Jacks

Our Hollow Ram Jacks work well in conjunction with with our Mass 50 propping system, adopting specially fabricated base plates to ensure concentric connection.

Its hollow plunger allows both pull and push forces, enabling fast ram retraction. Our Hollow Ram Jacks can be used in a variety of applications:

  • Bridge Jacking
  • Building Refurbishment
  • Lifting/lowering and sliding
  • Monitoring and control
  • Site Services


View or download here

    • Capacity (kN)


      Stroke (mm)


      Closed height (mm)


      Diameter (mm)


Get in touch with us

Give us a call

For all project specific design and technical enquiries, please contact your local service team

    Send us an email

    If you want to talk to us about your project, simply send us an email and a brief outline of how we can help and we'll be in touch


    It looks like you are working with our

    So that we can assist you further, could you share a few details and your download will start straight away.