cool things with wheels since 2006
https://youtu.be/bDSWqBSmoZkRailroad uses similar. does not rotate 360 though.
Dang! Cool! thanks! https://youtu.be/-tOSSj_58RY is even better
I've never seen one of those before. Very smart use of existing tech, no doubt half of it is based on an excavator platform, and the rest is just a cab and a dump box.