Jubilee No. 45699 Galatea Modern Condition

Drop the Assets folder into your railworks directory
Go to RailWorks\Assets\BMG\JubileePack01\RailVehicles\Steam\Jubilee\BR_Black\Engine and copy the jubilee_br_aws.GeoPcDx file and paste it into RailWorks\Assets\BMG\JubileePack01\RailVehicles\Steam\Jubilee\BR_Crimson\Engine.
Next go to RailWorks\Assets\BMG\JubileePack01\RailVehicles\Steam\Jubilee\BR_Black\Tender and copy the tender_stanier_4000_BR_late.GeoPcDx file and paste it into RailWorks\Assets\BMG\JubileePack01\RailVehicles\Steam\Jubilee\BR_Crimson\Tender.

And you're done, enjoy!