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SmallRotoSonic 120 DUO

The SmallRotoSonic 120 DUO 34K True 150Hz sonic drilling rig is equipped with a SmallRotoSonic drill head as well as a four speed rotation head. You can easily switch from Sonic drill head to a rotary head by shifting the trolleyboard, which allows you to combine Sonic sampling and diamond core drilling in the same borehole.

  • Small and manoeuvrable rig
  • Equipped with a SmallRotoSonic drill head and a four speed rotation head
  • Easy change between both drill heads
  • Small footprint
  • Tooling diameter between 50-150 millimetre


Our SmallRotoSonic 120 DUO sonic rig (SRS 120 DUO) has, in combination with the SmallRotoSonic drill head, a four speed rotation head. It is easy to switch between the sonic drill head and rotary head by shifting the trolleyboard to the left or the right to combine Sonic sampling and diamond core drilling in the same borehole. The SRS 120 DUO delivers True 150 HZ Frequency which makes it really powerful.  

This powerful sonic drill rig is multi-purpose, it can be used for Mineral Sampling, Environmental research, Geotechnical Sampling and Testing, Geo-constructive Drilling and Seismic Drilling. This powerful drilling machine is easy to use and maneuverable. It is available in a Pro and a Royal variant or in a variant with a sonic drill head only. The overview shows the differences between the machines. Is this not close to what you are looking for? Then we can also tailor a machine to your needs and requirements. If you have any questions, please contact our specialists. 

*) Please note: our machines are supplied in silver from now on. If you do want a different colour 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
Esther Timmerman

Get in touch with our specialists

Need advice choosing the right product for your application? Our specialist Esther is happy to help.