Llanelly and Mynydd Mawr Railway Locomotives Locomotives

| Builder | Works_no_ | Built | Wheels | Notes |
|---|---|---|---|---|
| AB | 219 | 1880 | 0-4-0 ST | Sold 1885 |
| AB | 221 | 1880 | 0-6-0 ST | Sold 1908 |
| FW | 279 | 1885 | 0-6-0ST | Withdrawn before 1948 |
| AB | 199 | 1879 | 0-4-0ST | To LMMR 1887 Boiler exploded 1889 |
| P | 464 | 1888 | 0-6-0ST | To Great Mountain Colliery 1913 |
| P | 475 | 1889 | 0-6-0ST | Sold 1896 |
| BH | 884 | 1889 | 0-4-0ST | Sold by 1913 |
| AE | 1448 | 1902 | 0-6-0T | Withdrawn before 1948 |
| AB | 1111 | 1907 | 0-6-0T | Withdrawn before 1948 |
| AB | 1157 | 1908 | 0-6-0ST | Sold 1919 |
| HC | 930 | 1911 | 0-6-0T | To British Railways 1948 Withdrawn 1951 |
| HC | 912 | 1911 | 0-6-0ST | To Great Mountain Colliery c. 1919 |
| HC | 977 | 1912 | 0-6-0T | Withdrawn 1923 |