FURX SD40-2

Extract files from FURX RAR compressed files to -
C:\Program Files (x86)\Steam\steamapps\common\RailWorks\Assets\SearchlightSimulations\EMD\JRSD40-2\RailVehicles\Diesel

Copy all the ".GeoPcDx" files from the NS "Engine" folder:
Assets\SearchlightSimulations\EMD\JRSD40-2\RailVehicles\Diesel\NS\Engine...
...and paste the files into the FURX "Engine" folder.

-Copy all the ".GeoPcDx" files from the NS "Cabview" folder:
Assets\SearchlightSimulations\EMD\JRSD40-2\RailVehicles\Diesel\NS\CabView...
...and paste them into the FURX "Cabview" folder..

The locomotive should appear in game as "JR SD40-2 FURX"

Use this FURX Repaint at your own risk. It was tested by some fellow trainsimmers with no issues.