GWR steam rail motors Fleet Fleet

| Diagrams | Quantity | Numbers | Completed | Length_ |
|---|---|---|---|---|
| A, A1 | 2 | 01 1-2 | 1903 | feet (m) |
| B, C, D | 12 | 03 3-14 | 1904 | feet (m) |
| E | 2 | 15-16 | 1905 | feet (m) |
| F, G, G1 | 12 | 17-28 | 1904 | feet (m) |
| H, J, J1 | 8 | 29-36 | 1905 | feet (m) |
| K, K1 | 4 | 37-40 | 1905 | feet (m) |
| L | 2 | 41-42 | 1905 | feet (m) |
| M, M1, N | 10 | 43-52 | 1905 | feet (m) |
| O | 18 | 53-58, 61-72 | 1906 | feet (m) |
| P | 2 | 59-60 | 1905 | feet (m) |
| Q | 8 | 73-80 | 1906 | feet (m) |
| Q1 | 3 | 81-83 | 1907 | feet (m) |
| R | 16 | 84-99 | 1908 | feet (m) |