| Locomotive Number | Build Date (Batch) | Location Built | Notes |
| 539 | 1868-1869 | ? |
 ‘Metro’ tank 1491 purportedly having brought in a mixed train of three coaches, a couple of cattle wagons and some opens from Blaenau Festiniog. This would have taxed a 2-4-0T considerably but if locomotive availability was at a premium then it could have possibly been pressed into service on such a heavy train |  An unidentified ‘Metro’ shunting the carriage road at Blaenau Festiniog | |