Four unnamed blue engines have appeared in various magazine stories and other books. A blue tank engine made an appearance in the book, The Monster Under the Shed. He was not named. This engine was mentioned in a story told by James, and was said to always be ready to help. One night, a stationmaster asked him to get a coach that was left behind. The engine went to get it, but when the weather turned bad, he had to sleep in an old shed. Later, he woke up to a noise and when he opened his eyes, h
Workshop Engines Thomas the Tank Engine Wikia+BreezeWiki
Great Little Engines, Thomas the Tank Engine Wikia
Thomas the Tank Engine - Wikipedia
Thomas the Tank Engine (seasons 1-11, 17-24) - Incredible
Stepney, Thomas the Tank Engine Wikia, Fandom
Toby (T&F), Thomas the Tank Engine Wikia, toby
Really Useful Engines, Thomas the Tank Engine Wikia
Thomas the Quarry Engine, Thomas the Tank Engine Wikia
Gordon (T&F), Thomas the Tank Engine Wikia, Fandom
Thomas and the Jet Engine (Promotional DVD)
Thomas and Bertie/Gallery, Thomas the Tank Engine Wikia
Thomas & Friends (series 1) - Wikipedia
Thomas the Tank Engine - Wikipedia
Thomas & Friends merchandise - Wikipedia