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Microtunneling machine Herrenknecht AVN700

Microtunneling machine Herrenknecht AVN700 Full Rebuild, like new request a free quote

Microtunneling  machine Herrenknecht AVN700 - Microtunneling  machine Herrenknecht AVN700 Full Rebuild, like new

For Sale & For Rent


We offer for sale a microtunneling machine from the Brand Herrenknecht, Type AVN700.

This machine was fully rebuild in 2016, and the works just finished one week ago. The machine looks like new. The machine was fully dismantled until the last nut and bolt and then was put back together. Even the main bearing did get a full overhaul to be sure the machine can work reliably for the next years to come. For this machine there is the possibility to choose from 3 types of cutting wheel subject to the expected soil condition: Standard soil wheel, Mixed soil wheel and Rock wheel. If required a diameter extension kit can be offered new as well.

Overview works done:

  • Full dismantle machine, sandblast and repaint of machine body
  • Main bearing fully overhauled
  • Main drive shaft fully overhauled
  • All hydraulic and slurry circuit hoses replaced by new
  • Upgrade of steering cylinder system to IMS
  • Bypass fully rebuild with many new parts
  • Main drive motor serviced ( was in perfect condition )
  • New pressure sensors and new electric cables and new electric box
Shield diameter 860 mm
Shield length ( approx) 2000 mm
Main drive max. torque 41.000 Nm
Cutting wheel max. revolution (with Pump 130 L/min) 0-9.5 RPM
Number steering cylinders 3 Pcs
Capacity steering cylinders ( at 500 Bar ) 310 KN
Stroke steering cylinders 30 mm
Bypass diameter 100 mm
Trailing can J J/N
Trailing can length ( approx. ) 2000 mm
Power pack installed in trailing can N J/N
Capacity power pack NA kW
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Microtunneling machine Herrenknecht AVN700
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