I have the Startfarzeuge for the people Holm V1.4.1 changed since my original did not really committed and uploaded this change as an XML file for you.
To use basis to change my course, is the people Holm V1.4.1 (V1.4 should also go, but was not tested.)
Link to people Holm: http://www.modhoster.de/mods/volksholm
Additionally required MOD:
I absolutely recommend a backup copy of the orginal “defaultVehicles.xml” the People Holm to create (more on this in the manual)