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SRS 120

SmallRotoSonic 120 34K True 150Hz sonic drilling rig

The SRS 120 34K True 150Hz sonic drill rig is a small and easy-to-use machine with extreme sonic power. This small but powerful drill rig delivers faster and better results and the best undisturbed samples, thanks in part to the True 150Hz SmallRotoSonic drill head.

  • Small and maneuverable rig
  • Accelerates drilling and sampling productivity
  • Small footprint
  • Tooling diameter between 2-5.9 inches (50-150 millimeter)
  • Perfect quality samples


Our SRS 120 sonic drilling rig, previously known as the SRS ML is a small, powerful and compact sonic drilling rig. The rig combines its convenient size with efficiency and cost-effectiveness. Therefore, this rig really makes a difference. The SRS 120 is multi-purpose and can be used for mineral sampling, environmental research, geotechnical sampling and testing, geoconstruction drilling and seismic drilling. The SRS 120 delivers a True 150 HZ frequency making it truly powerful. 

The drill rig takes up less space but still delivers perfect productivity and quality samples. The SRS120 has an output power of 150kN/34K sonic vibration oscillator. The machine is available in a Pro and a Royal variant. An overview of these variants can be found here. Is this not close to what you are looking for? Then we can also customize a machine to your needs and requirements. There are several options available to customize this machine. If you want to be able to drill conventionally as well as sonically, choose the SRS 120 DUO. Download the specification sheet for all specifications.

If you have any questions, please contact our specialists.

*) Please note that as of now, our machines come in silver. If you want a different color, please let our experts know.


SRS 120
Pull up force 4.000 daN / 8.992 lbf
Engine 120HP CAT stage 5 engine
Rubber crawler carrier Yes
Radio remote Yes
Drilling mast for 3m/10' drill rods
Footclamp 40-250 mm double or tripple, with upper floating
Winch Hydraulic 2.000 daN
Bean/ FMC pump L06-18 Yes
High presure waterpump yes
Eijkelkamp Service Assistant Included


Greg Halliday

Get in touch with our specialists

Looking for advice on your drilling project? Our specialist Greg is happy to help.