Not robotayut caterpillars on some technique (Spintires: MudRunner)

So here's the problem:
I have 4 gusenichnykh, tdt 55, tlt 100,dt and tt 75 4.
What is the actual problem, for tlt and tt 100 4 pritenzy not, but two other serious problems, they do not go, the wheels revolve dergatsya little by little and caterpillars are not reagiruet almost (feeling is that filled them with alcohol) the maximum that they can do so, it show the example of that technology, too, are flailing.
What to do to fix the problem(if is possible)?
I would be grateful