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Buying guide

Walking excavators

Spider excavators with four individually articulated leg-and-wheel units, built to stand and dig on slopes, riverbeds, alpine terrain and forestry ground that a conventional tracked machine cannot reach. Each leg extends, retracts and rotates independently to level the chassis and hold position on uneven or steep ground. Compare the live stock below for leg reach, engine power and attachment fit.

In stock6 machines6 show a price

Years1999 to 2018New and used

Mostly located inFrance · Austria · Czech Republic

Find by make

Menzi Muck 5 Kaiser 1

Prices for Walking excavators

Kaiser X4M TURBOSTAR Walking Excavator3,200 h€19,000

1999 Menzi Muck A71 T2 M Walking Excavator1999€30,780

2018 Menzi Muck M220 Walking Excavator2018 · 2,666 h€43,500

2012 Menzi Muck A91F MOBIL Walking Excavator2012 · 8,234 h€54,900

2015 Menzi Muck M545 Walking Excavator2015 · 292 h€89,750

Choosing the right type

Leg and wheel setupFour hydraulic legs with wheels or claw feet let the machine widen its stance, climb steps and level the body on slopes.

Claw feetSteel claws bolt onto the wheels for grip on rock, loose scree and riverbed material where rubber alone would slip.

Winch assistA mounted winch anchors the machine on the steepest slopes, holding position beyond what leg spread alone can manage.

Road travelWheeled models can drive between sites under their own power, cutting transport cost against a low-loader move.

What to check before buying

Leg cylinders and pivotsCheck every leg cylinder for seal weep and each pivot pin and bush for play; a worn leg undermines stability on slopes.

Chassis stress cracksInspect the main frame and leg mounting points for cracks or repair welds, the areas that take the most load when levelling.

Operator skill and controlsThese machines demand a trained, experienced operator; check the control levers and leg-selection switches respond cleanly and match a well-kept cab.

Winch and safety kitConfirm the winch cable, drum and anchor points are sound, and that the ROPS/FOPS structure (roll-over and falling-object protection) and seatbelt are intact.

Common questions

What is a walking excavator used for?

Slope stabilisation, forestry, riverbank and waterway work, alpine construction and any site with gradients or uneven ground that would tip or bog a conventional excavator.

Do I need special training to run one?

Yes. Leg coordination, slope reading and winch use are distinct skills beyond standard excavator operation, and outcomes depend heavily on operator experience rather than the machine alone.

Wheels or claw feet?

Wheels suit road travel and mixed firm ground. Claw feet bolt on for rock, scree and riverbed work where extra grip prevents slipping on the slope.