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Now I know that that is probably not what you were thinking when you read the topic title, but check this out! Those aren't wheels...
This drives on freaking articulated wheel-legs.
It can lean in any direction and raise and lower its wheels to climb over obstacles, very similar to a six-legged insect. It's unmanned and remote-controlled, designed for recon and infantry support. As you can see, it carries a machine gun and a few ATGMs.
This ARV is literally a few more joints and feet away from being a legitimate spider-mech.
