Components
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Components for tunnelling

We dig it!

Liebherr components for tunnelling are specifically designed for toughest loads in continuous operation and have a proven track record of success in the field. You will find them in tunnel boring machines from renowned companies in numerous tunnel boring projects all around the world.

No time for downtime

Tunnel boring equipment is facing several challenges during operation. On the one hand there are extreme soil conditions, from hard rock to erosive soil and EPB. On the other, long project scopes and narrow timeframes with short reaction times. Given these circumstances, one thing is clear: You have no time for machine-downtimes.

In order to assure a successful project completion it is therefore essential to have, above all, reliable equipment.

Premium components for your tunnel boring productivity

You can rely on Liebherr components at all times. They are designed for toughest loads in continuous operation and are thoroughly tested on the company‘s own test benches. Whether it‘s a railway tunnel in Siberia or a new metro line in Mumbai - Liebherr components have successfully been put to use in the field. Renowned global companies are using Liebherr’s portfolio for numerous tunnel boring projects all around the world.

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“Liebherr is more than a supplier, they are a partner that we can depend on to supply the most critical components on our machine.”

Mike Koelnich, Director of Supply Chain at the Robbins Company

Make the breakthrough: Components for Earth Pressure Balance (EPB) tunnel boring machines

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Main drives

  • Up to 25% less installation space due to optimised planetary carrier design
  • High power density
  • High resistance: Forged planetary carriers
  • Individual and customised design
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Heavy metal vs. hard rock: Components for hard rock tunnel boring machines

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Main drives

  • Vibration and shock resistant
  • Rigid design
  • Product validation by highly accelerated life and cooling perfomance tests
  • Separated oil and cooling water supply

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Whatever may come: Components for dual mode tunnel boring machines

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Shift gears for cutter heads

  • combine EPB and hard rock soil conditions in one tunnel boring machine
  • time-saving speed adjustment of the cutter head
  • require no more machine compromise for various soil conditions
  • energy efficient operation at optimum engine speed
  • separated oil supply and cooling circuit
  • retrofitable with existing machines or gearboxes

more

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Reference stories

Why do companies like the Robbins Company choose Liebherr components for their tunnelling projects? Request our reference story here and discover your possibilities.

Like a large-diameter worm: Components for micro tunnel boring machines

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Planetary gearbox for central drives

  • hydraulic or electric driven
  • integraded cooling system
  • customised design

more

Make your TBM even better with innovations from Liebherr

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No more compromises with shift gears

  • Combine operation modes for hard rock and EPB in one tunnel boring machine
  • Reduce down-times
  • Require no more compromises in choosing the one equivalent TBM machine to match to the soil conditions

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