| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| K1 | K | 0-4-0+0-4-0 | 23½" | Tasmanian Government Railways | Ffestiniog & Welsh Highland Railways, Porthmadog, WAL | operational | Beyer, Peacock & Co., 1909 | Operates on the Welsh Highland Railway. |
| 87 | NGG16 | 2-6-2+2-6-2 | 23½" | South African Railways | Ffestiniog & Welsh Highland Railways, Porthmadog, WAL | operational | John Cockerill #3267, 1937 | Operates on the Welsh Highland Railway. |
| 138 | NGG16 | 2-6-2+2-6-2 | 23½" | South African Railways | Ffestiniog & Welsh Highland Railways, Porthmadog, WAL | operational | Beyer, Peacock & Co., 1958 | Operates on the Welsh Highland Railway. |
| 143 | NGG16 | 2-6-2+2-6-2 | 23½" | South African Railways | Ffestiniog & Welsh Highland Railways, Porthmadog, WAL | operational | Beyer, Peacock & Co., 1958 | Operates on the Welsh Highland Railway. |