Recent models from Train Simulations only work with Open Rails. These models can be altered to also work with Microsoft Train Simulator (MSTS).
Convert .dds textures to .ace textures. Use the convert command from ImageMagick to convert .dds files to .tga files. Then use TGATool to convert .tga files to .ace files. The form of the convert command is convert source destination.
convert VIA_P42DC_916.dds VIA_P42DC_916.tga
Split large sub-objects to fewer than 12,000 polygons.
Correct error in count of controls in cab view.