COMACCHIO GEO 305 Geotechnical Investigation Drill Rig

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COMACCHIO GEO 305 is a drilling rig for geotechnical and environmental investigation. Different sampling and drilling methods can be used according to the head and auxiliary equipment fitted. Ground conditions, the required sample and the investigation objective determine the drilling method.

The GEO 305 can be equipped for conventional and wireline coring as well as DTH drilling. Its variable feed stroke also supports the installation of groundwater monitoring wells.

Technical data
Diesel engine power55.4 kW
Pullback force3,500–5,000 daN
Feed stroke1,600–3,600 mm
Torque range280–900 daNm
Clamping range45–305 mm

Performance and dimensional ranges cover different versions. The drilling method, head and auxiliary equipment determine the specific machine configuration.

Detailed technical information can be found on the manufacturer’s product page.
Manufacturer Link

Contact Person

Christoph Damberger, B.Eng.
Christoph Damberger, B.Eng.

Head of Business Development

Gotthard Knödlseder Hammerwerk GmbH

Any Questions?

Our contact persons will be happy to advise you on products, applications and technical requirements. Please get in touch with us by email or via the contact form.

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