Formations
Initial formations of these units were as follows:
| Units | Type | DMBTO | Trailer | Trailer | DMBTO |
|---|---|---|---|---|---|
| 3054-3072 | 4-RES | 11139–11175 (odds) | TFK 12232–12250 (not in order) | TRKT 12601–12619 (not in order) | 11140–11176 (evens) |
| 3073–3085 | 4-BUF | 11229–11253 (odds) | TCK 11846–11858 | TRBT 12518–12530 | 11230–11254 (evens) |
| 3101–3129 | 4-COR | 11081–11137 (odds) | TTK 10055–10083 | TCK 11791–11819 | 11082–11138 (evens) |
| 3130–3155 | 4-COR | 11177–11227 (odds) | TTK 10084–10109 | TCK 11820–11845 | 11178–11228 (evens) |
Read more about this topic: British Rail Class 404