The Narrow Gauge Coaches are coaches used by the Skarloey Railway engines for passenger trains.
They are the most commonly used coaches and have endured many accidents and adventures; such as leaving refreshment lady behind, derailing several times, stopping at wrong places, being stuck in tunnels, and having a full train of passengers on a stormy day.
- Season 0: Whistle Trouble (cameo)
- Season 2: Thomas and the Fortune Teller (do not speak)
- Season 3: The Suggestion Box (cameo), Chivalry is Dead, Percy and Asbestos (cameo)
- Web Clips: Gina gives Percy some pointers - Meet the Characters! (cameo), A Bad Day is a Normal Day for Sir Handel - Meet the Characters!
- The coaches are custom made by Turtlesandthomas.