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Responsabilité Sociétale des Entreprises


Wheel Trencher for the mechanical laying of networks


  • Excavation of trenches and mechanized installation for simultaneous deployment of networks (telecoms, electricity, drainage, water, sanitation, gas..) in rural area and rock ground.


  • Tangentially driven trenching wheel designed by MARAIS


  • The MARAIS SM 200 R trenching wheel allows to cut at a 1.40 m depth
  • Constant and reduced width of the trench  
  • Constant building cost per meter
  • Non-stop shielding of the cut trench : the laying unit  
  • Preservation of the geometric data of the cut trench  
  • Compliance with the bending radius of the cables and the ducts
  • Quality of the trench bottom : the shoe  
  • Smooth clean and compact trench bottom without any salient angle
  • Network laying quality  
  • Constant depth  
  • Constant altimetry and planimetry of the laid network


  • Cutting of different grounds
  • Frame slope correction making it possible a vertical cutting on an inclined ground
  • Reduction in building costs  
watch the video


  • From 300 to 2,000 lm/day depending on the grounds, sections of trenches and nature of the network to be laid
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