QUOTE(Hack @ Oct 4 2011, 11:37 PM)

I added two F-Units to a new freeroam scenario (default RW3 version on the left, original 3DTrains version on the right) and both loaded fine.

It may be that whatever is causing the problems for you, that you may need to wait for an RW3 patch. I'll keep looking through the files, however.
Cheers!
Marc
Hello Marc !
I know what it is - the Couplings.
If I try to connect to another Loko or Wagon, then the Game freece.
Even when I set an ABBA Consist.
Servus
LTBMTB