The Oruga Unitrack [1] is listed as one of their case-studies, it looks awesome and I would really like to see it move.

I found [2] on YouTube, but it doesn't seem to contain any actual video of the vehicle (and the voice-over says "unit-rack" rather than "uni-track" which I didn't love).

1: https://oruga.eu/#unitrack

2: https://www.youtube.com/watch?v=clL4sDXxvWQ