| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 10 | 0-4-2ST | 27" | Corris Railway | Corris Railway, Corris, WAL | operational | Falcon Engine & Car Works (Alan Keef Ltd.) #91, 2022 | Test fired on September 24, 2022. Debuted in excursion service on September 8, 2023. | |
| 4 | 0-4-2ST | 27" | Talyllyn Railway (Corris Railway) | Talyllyn Railway, Tywyn, WAL | operational | Kerr, Stuart & Co. (Stoke on Trent) #4047, 1921 | Named Edward Thomas. Operated at the Corris Railway, Corris, WAL between late August and early November 2021. | |
| 3 | 0-4-2ST | 27" | Talyllyn Railway (Corris Railway) | Talyllyn Railway, Tywyn, WAL | operational | Hughes' Loco and Tramway Engine Works Ltd. #13, 1878 | Named Sir Haydn. Taken out of service for a major overhaul in September 2012. Returned to operation in June 2018. Currently wearing TR Standard Green livery. Operated at the Corris Railway, Corris, WAL in 2012, 2023, and 2024. |