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  • Writer's pictureRamunas Jasevicius

Terra's Comprehensive Range of Horizontal Directional Drilling Machines

Horizontal directional drilling (HDD) is a trenchless technology that utilizes a steerable drill to create precise underground bores for the installation of pipes, cables, and other utilities. Terra, a leading manufacturer of HDD equipment, offers a comprehensive range of machines to suit diverse project requirements.

Terra-JET DJ 10: Entry-Level Versatility

The TERRA-JET DJ 10 is the ideal choice for smaller-diameter installations and confined spaces. Its compact design and maneuverability make it well-suited for urban environments, where minimizing disruptions to traffic and infrastructure is crucial. Despite its compact size, the DJ 10 delivers impressive performance:

  • Thrust and pullback force: 4 tons

  • Backreaming diameter: 260mm

  • Drilling fluid flow rate: 95-100 liters per minute

With its user-friendly interface and efficient operation, the DJ 10 provides a cost-effective solution for a wide range of applications, including fiber optic cable installation, water pipe replacement, and utility line extensions.

Terra-JET DJ 16: Handling Demanding Projects

When the job demands more power and precision, the TERRA-JET DJ 16 is the go-to machine. Its mid-range capabilities make it a versatile choice for various projects, including:

  • Larger-diameter installations: 300mm backreaming diameter

  • Complex drilling scenarios: Capable of navigating tight bends and obstacles

  • Enhanced productivity: 6 tons of thrust and pullback force

The DJ 16's improved performance is further complemented by its advanced features, such as the double cylinder drive system that ensures smooth and efficient drilling and backreaming operations.

Terra-JET DJ 23: Power and Versatility at Its Best

For the most challenging projects requiring exceptional power and versatility, the Terra-JET DJ 23 stands out as the industry's top choice. Its unmatched capabilities make it the ideal solution for large-diameter installations, deep bores, and complex drilling environments:

  • Unparalleled thrust and pullback force: 11 tons

  • Substantial backreaming diameter: 420mm

  • Exceptional drilling fluid flow rate: 185 liters per minute

The DJ 23's impressive power is matched by its advanced control systems, including the ADBSe, Curve Mode, Cruise Mode, and Thrust Control, which provide precise guidance and control during the drilling process. This advanced technology ensures accurate bore paths and minimizes the risk of hitting underground utilities.

Terra's HDD Machines: A Legacy of Innovation

Terra's commitment to innovation is evident in their comprehensive HDD machine lineup. Each model is designed with user-centricity, reliability, and environmental responsibility in mind. Terra's machines are equipped with advanced features that optimize performance, reduce downtime, and minimize environmental impact.

Whether you're undertaking a small-scale fiber optic installation or a large-scale infrastructure project, Terra's HDD machines offer the power, versatility, and precision you need to get the job done efficiently and effectively. With their commitment to innovation and customer satisfaction, Terra is paving the way for a more sustainable and productive future of trenchless construction.


Terra's comprehensive range of HDD machines provides a solution for every project requirement. Whether you need a compact and maneuverable machine for confined spaces or a powerful and versatile option for demanding installations, Terra has the right tool for the job. With their commitment to innovation, reliability, and environmental responsibility, Terra's HDD machines are a testament to their dedication to transforming the way infrastructure projects are executed.

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