There might be a program out there that can open the UKX packages, perhaps you could get the source files out of there and recompile them to work in 2003.
Hi :poly121: did an alien in zbrush its based on a concept art by ISTVÁN DÁNYI http://dxthpu4318olx.cloudfront.net/assets/images/images/000/182/958/large/8fba6073bc391851c58d55948b2a724a0b75e880.jpg?1411322621 :poly142: :poly142: :poly142:
If your units are in cm, then that wheel is 20000 cm across, 20 km! Use the Rescale World Units utility and set it to .001 see if that fixes the problem.