These are the character models from versions 0.38.x and 0.33d, updated to work with recent RoR versions.
Both characters are using the original animations. As a result, animations for some newer actions (such as sidestep) are missing.

The 0.38 character features support for multiplayer colors:


Installation:

• Extract the downloaded zip into any folder
• Go to RoR's install directory (default directory: C:\Program Files\Rigs of Rods)
• Open the resources folder, copy meshes.zip, materials.zip, and textures.zip* to the Desktop
• Open meshes.zip, drag and drop character.mesh and character.skeleton
• Open materials.zip, drag and drop character.material
• Open textures.zip*, drag and drop character.dds and character-alpha.png
• Move meshes.zip, materials.zip, and textures.zip* from the Desktop back into the resources folder, overwriting if prompted.

* Applicable only for 0.38 character

To revert back to the default character, follow the above steps but with the contents of the "original" folder instead.