TERRA AG develops and manufactures machinery for trenchless pipe installation. Since 1975, our name has been synonymous with Swiss precision, durable technology and reliable service.
Swiss precision for modern pipeline installation
With our TERRA-JET Horizontal Directional Drills, we set the global standard in horizontal directional drilling technology. Developed and manufactured in Switzerland, we combine the highest quality, innovative technology and robust performance for demanding drilling projects. Whether for fibre optics, electricity, water or gas – with our TERRA-JET HDD drilling rigs, you can work precisely, efficiently and quickly.
- Development, production and assembly take place in Switzerland – this ensures the highest quality and durability (Swiss Made).
- TERRA-JET rigs are available with 4 to 30 tonnes of pulling force – we always offer the right rig for every project, from small domestic connections to large-scale infrastructure projects.
- Powerful high-pressure pumps ensure high productivity and rapid drilling progress.
- Despite their high performance, the rigs are compact and manoeuvrable – ideal for confined construction sites and urban applications.
- Whether fibre optics, electricity, water or gas – TERRA-JET systems master every challenge in pipeline laying.
- Patented technology, such as our pendulum suspension, has led to increased stability and more flexible operation of the system.
- Intuitive operation ensures quick familiarisation and efficient deployment.




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