The premier class of walking excavators
Exc@v8 is the sole UK and Ireland importer and official dealer for Menzi Muck walking excavators — the Swiss-built all-terrain machines, also known as spider excavators, that Ernst Menzi invented in 1966 to work safely on mountain ground.
Their flexible chassis adapts to almost any surface: gradients up to 45° (100%) unassisted, steeper with winch assistance, water to 2.2m, deep mud, riverbeds and steep forestry. That mobility, paired with lifting capacity and hydraulic flow well beyond conventional machines of the same weight, makes a Menzi Muck the practical answer where a standard crawler or wheeled excavator cannot reach.
Typical UK work includes steep-slope timber harvesting, road-rail and rail-corridor vegetation clearance, drilling and slope stabilisation, hydro pipeline installation, and river and watercourse maintenance.
Menzi Muck has worked on British infrastructure since the 1970s. With Exc@v8 as dealer for almost two decades, owners get UK-based sales, service, genuine parts and 24-hour support across mainland Britain, Ireland and the islands. Exc@v8 also engineers bespoke Menzi Muck conversions for specialist applications.
View GalleryThe Menzi Muck Range
M5 Series

M5X
The M5X walking excavator works safely on gradients up to 45°, its patented undercarriage and 6-metre width adjustment giving stability and precision where conventional machines can't.
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M515
The Menzi Master M515 — the most powerful 14-tonne tracked excavator Menzi Muck builds, for low-ground-pressure work where a standard excavator can't go.
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M585
Menzi Muck's dedicated rail excavator — all-wheel steering and road speeds up to 25 km/h for fast, efficient access to the rail corridor.
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M4 Series

M4X
From 10.6 tonnes, the M4x pairs strong performance with low weight — a patented X-basis undercarriage for high stability and manoeuvrability in demanding terrain, a 143 hp engine, and an overhead boom cylinder that raises push-off force to over 200%.
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M415
Menzi Muck's heavy tracked excavator on M4-series technology — independently extendable crawler frames and Menzi's Triple Power Boom, for work where a walking excavator's spider undercarriage isn't the fit.
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M2 and A Series

M2
Menzi Muck's economical walking excavator, from 7.1 tonnes, for demanding work. A 75 hp Deutz engine and an assembly concept that splits for helicopter, cable-car or crane transport.
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A25
Menzi Muck's second-lightest walking excavator, from 2.3 tonnes. The A20's plug-in axles and telescopic stabiliser with more engine power, sized for helicopter transport.
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A20
Menzi Muck's smallest walking excavator, from 2 tonnes. Removable plug-in axles and a telescopic stabiliser, sized for helicopter transport and deployment on almost any terrain.
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Conversions & Miscellaneous

Forest Conversions by Exc@v8
Exc@v8 converts Menzi Muck walking excavators for forestry, such as the M325 high production forest planter, supplied with S-type buckets and a grab tank for fuel and AdBlue.
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Tunnel Conversions by Exc@v8
Exc@v8 converts Menzi Muck walking excavators for tunnelling, such as the M525B-TM, built to construct escalator barrels and passageways deep below London.
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Rail Conversions by Exc@v8
Exc@v8 converts Menzi Muck walking excavators for the rail corridor — on/off-track running for vegetation clearance, embankment work and infrastructure access where road-rail plant is required.
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Wheel Dumpers
Menzi Muck's site dumpers — the 45RD and 65RD, plus the 65RD RRV road-rail version.
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Gallery
Videos
Walkarounds, jobsite demonstrations and operator interviews with the Menzi Muck range.















