ER 2000 – Liebherr R 944-T

Tunnel excavation


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Drum cutter ER 2000 application video

Tunnel excavation


Application details


Passing Metro line station underneath old shopping mall in Düsseldorf, Germany

Cutting frozen ground:
Sand + gravel, very abbrasive

Tunnel cross section: 160 m2
Cutting rate: 8–12 m3/hr (solid material)
Pick consumption: 80–90 picks per 100 m3


No two jobsites are alike.
The productivity depends on the material characteristics or rock hardness, the settings and condition of the carrier unit, the technical and wear condition of the attachment and the operator skills, as well as a couple of other factors. The given figures can vary based on different conditions. We reserve the right to change technical data without further notice.