Sherlock Hill is a large passenger engine who typically pulls the Waterdown Express that was bulit in 1950.
Sherlock is typically a very friendly steam engine who has great respect for engines such as Zebedee and Atlas and has a kind nature towards some of the other engines.
Sherlock is painted green with yellow stripes and has a white star on his tender, a trait shared by Zebedee and Ramona
Sherlock is based of a SR Bullied Light Pacific.
- Public Enemy
- Down The Drains (cameo)
- From Dusk Until Dawn (cameo)
- Going Haywire
- Nightmares (cameo)
- The Mail Bag Snag
- Rebel Iron
- Kindred Spirits
- Sherlock Hill (along with Zebedee) has had a model change in Episode 7.
- The real Battle of Britain No. 34037 was named 'Clovelly' after a small village in Devon. The engine was withdrawn and scrapped in July 1967.
- A possible sibling of Sherlock's, Gallant Knight, appears on the back of Traverse's program in Kindred Spirits.