i got it to work though
![Very Happy :D](./images/smilies/icon_e_biggrin.gif)
i "merged" the animated wheels and floor to a empty file, made the track on them, and after i ran a simulation, that went okay, i just merged the tracks and their high poly links back to the scene with the tank, works like a charm
![Cool 8-)](./images/smilies/icon_cool.gif)