Amtrak 6901 Quillable K5LA

extract the installed 7z file and copy-paste the extracted Assets folder to your Railworks directory

copy CabCoach.GeoPcDx from:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer\Engine

paste CabCoach.GeoPcDx to:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer 6901\Engine

copy CabCarCab.GeoPcDx from:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer\Cabview

paste CabCarCab.GeoPcDx to:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer 6901\Cabview

copy all of the textures from:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer\Engine\Textures

paste all of the textures to:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer 6901\Engine\Textures

copy the CabCarDoors & LocoInformation folders from:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer\Engine

paste the CabCarDoors & LocoInformation folders to:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer 6901\Engine

copy the 2 BAN files from:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer\Engine

paste the 2 BAN files to:
RailWorks\Assets\RSC\PacificSurfliner\RailVehicles\Passenger\Surfliner\Driving Trailer 6901\Engine