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SmallRotoSonic 120 DUO

The SmallRotoSonic 120 DUO 34K True 150Hz sonic drilling rig is equipped with a SmallRotoSonic drill head and a four-speed rotary head. You can easily switch from a sonic drill head to a rotary drill head by sliding the trolley board, allowing you to combine sonic sampling and diamond core drilling in the same drill hole.

  • Small and maneuverable rig
  • Equipped with a SmallRotoSonic drill head and a four speed rotation head
  • Easy change between both drill heads
  • Small footprint
  • Tooling diameter between 2-5.9 inches (50-150 millimeter)


Combined with the SmallRotoSonic drill head, our SmallRotoSonic 120 DUO sonic drilling rig (SRS 120 DUO) has a four-speed rotary head. It is easy to switch between the sonic drill head and the rotary drill head by sliding the trolley board left or right to combine sonic sampling and diamond drilling in the same borehole. The SRS 120 DUO delivers a True 150 HZ frequency making it truly powerful. 

This powerful sonic drilling rig is multi-purpose and can be used for mineral sampling, environmental research, geotechnical sampling and testing, geoconstructive drilling and seismic drilling. This powerful drill is user-friendly and maneuverable. It is available in a Pro and a Royal variant or in a variant with a sonic drill head only. In the overview you can see the differences between the machines. Is this not close to what you are looking for? Then we can also customize a machine to your needs and requirements. If you have any questions, please contact our specialists.

*) Please note that our machines are now delivered in silver. If you do want a different color, please let our experts know.


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.