ER 650 – Menzi Muck A 91

Tunnel widening


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Drum cutter ER 650 application video

Tunnel widening


Application details


An ER 650 mounted on a Menzi Muck walking excavator being used for tunnel enlargement and excavation of new caverns.

Dolomite rock: 70–100 MPa
Production rate: 2–2.5 m3/hr


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.