Last week, the above locomotive was on show at the Dockland Light Railway Depot and runs out of the K&ESR. I cannot find this style of locomotive in the game, but I am sure it would be a useful addition.
Is this what you are looking for https://www.steamsoundssupreme.com/stroudley-a1a1x-terrier-mainpack.html
Thought you might appreciate this link I've just come across, it is for the Victory Works Terrier as per rickyt7808 post above. https://slowlinesimulations.jimdosi...RiwnjnLjRWsnsdjT_z4-bngWOXwYy4w5y7G3IawjgtNMI