Steam locomotives of Ireland Belfast and County Down Railway Belfast and County Down Railway

| Type_ | Fleet_numbers | Quantity_made | Manufacturer | Date_made |
|---|---|---|---|---|
| 2-4-0T | 18, 19 | 2 | Yorkshire Engine Co. | 1870 |
| 0-4-2 | 10, 9, 13, 16 | 4 | Sharp, Stewart & Co. | 1886–1890 |
| 2-4-2T | 18, 19, 21, 22 | 4 | Beyer, Peacock & Co. | 1891 |
| 2-4-0 | 23–25 | 3 | Beyer, Peacock & Co. | 1892 |
| 0-6-0 | 26 | 1 | Beyer, Peacock & Co. | 1892 |
| 2-4-0 | 6 | 1 | Beyer, Peacock & Co. | 1894 |
| 2-4-2T | 5, 7, 8, 27, 28, 29 | 6 | Beyer, Peacock & Co. | 1896–1897 |
| 4-4-2T | 3, 15, 30, 11, 12, 1, 17, 20, 13, 18, 9, 21 | 12 | Beyer, Peacock & Co. | 1901–1921 |
| 0-6-0 | 14 | 1 | Beyer, Peacock & Co. | 1904 |
| Railmotor | 1–3 | 3 | Kitson & Co. | 1905–1906 |