New Atlas put together a brief history and demo video of walking "spider" excavators, which look more like anime mecha than real-life machines.
These incredible feats of engineering use wildly articulated legs and a combination of wheels and claw-like stabilizing feet.
The hydraulic arm can be fitted with a bucket or other attachments; this one here appears to have a jackhammer.
The operators of these machines definitely walk with a swagger and drink lots of Mountain Dew.
They're manufactured by competing industrial groups Kaiser and Menzi Muck. Interestingly, the origin of the machines began with an act of IP theft, which you can read about at the NA piece.
Take a look at what they can do:
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