I don't think you can fit a 50m gun into a truck.
Or a nuclear reactor...

Kray, the reason they don't nuke each other is the same reason countries don't nuke each other in the real world - it's a horrible idea for everyone involved.

Quote Originally Posted by Ryllharu View Post
Objects use line of sight particle beams or giant artillery that still only hits things they can see. Maybe there are more models that have different weapon systems, some that might even be actually up to 1950s standards. You don't need armor if your enemy no longer knows where you are once you've fired on them because you moved right away.
They have literally hundreds of guns. You seriously don't think they have long range ballistics?

You also can't really hide tanks or larger with the amount of battlefield surveillance that goes on.