Not to start an unreal vs unity question, but everyone on 3D art section of this forum is using Unreal to display their work. Maybe OP could learn Unreal instead of unity. People mention learning PBR and unity. But, some post seem to suggest unity doesn't even have PBR or you need to do some heavy stuff just to make it…
What have you researched so far? I would look for tank tread animation in Unreal, since the concept is very similar and is a very common ask so it likely has many solutions published already: https://www.google.com/search?q=unreal+tank+tread+animation Also, we have a section for Unreal, so I am moving this topic there,…