• Reliable, Efficient Complete Tunneling Jobs


    Reliable, Efficient Complete Tunneling Jobs


    Reliable, Efficient Complete Tunneling Jobs

    Constructed from high-quality steel plates, this tunnel arm is engineered to withstand harsh conditions and ensure long-lasting durability. The structure of the tunnel arm is scientific and reasonable, and it can work perfectly even in the narrow space of the tunnel, with unparalleled maneuverability and flexibility.

Carter 349 excavator equipped kaiyuanzhichuang tunnel Arm

Introducing the revolutionary Cat 349 excavator, featuring the breakthrough Open Source Smart Tunnel Boom. This cutting-edge technology is designed for the harsh environment of tunnel construction, delivering unrivaled performance and efficiency.

The kaiyuanzhichuang Tunnel Arm is the perfect solution for the challenging conditions encountered in tunneling projects. Refined from high-quality steel plates, with scientific structural design, it performs well in narrow spaces such as tunnels, and realizes seamless and efficient operations.


  • 01

    With the Cat 349 excavator, tunneling has never been easier.

    This powerful machinery enables you to complete projects quickly while maintaining the highest quality standards. Say goodbye to delays and hello to a new level of productivity.

    You can now traverse the most challenging terrain with ease thanks to the uniquely designed Open Source Smart Tunnel Arm. Its superior construction ensures exceptional sturdiness and durability so you can move forward with confidence. No more obstacles stand in your way!

    Carter 349 (1)
  • 02

    The Carter 349 excavator is unique in its ability to adapt and perform in a variety of tunnel environments.

    Whether you’re working in small passages or large-scale excavations, this remarkable machine delivers unmatched performance in every situation.

    Plus, its user-friendly interface and intuitive controls make operating the Carter 349 a breeze. Even with its advanced features, it’s designed to be easy to use, minimizing the learning curve and maximizing productivity from day one.

    Carter 349 (3)
  • 03

    Investing in a Cat 349 excavator means investing in your project's success.

    With its reliable, efficient performance, you can complete tunneling jobs faster than ever. No more wasting time or resources.

    Carter 349 (2)


See the difference a Cat 349 excavator equipped with kaiyuanzhichuang Tunnel Boom can make for your tunneling project. Unlock new levels of efficiency, productivity and success. Trust the superior engineering and proven capabilities of our excavators to take your tunneling to new heights. Experience the future of tunnel boring machines with the Carter 349.

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