Diagrams 500 - 519
| Diagram | Class | Type | Builder | Lot Nos. | Notes | |
|---|---|---|---|---|---|---|
| 501 |  |
DL | DMBS | Derby | 30084 | |
| 502 |  |
DL | DMC | Derby | 30192 | |
| 503 |  |
DL | DMBS | Derby | 30123 | |
| 504 |  |
DL | DMBS | Derby | 30126, 30177 | |
| 505 |  |
DL | DTC | Derby | 30127, 30178 | |
| 506 | - | - | - | Thought to have been E79250-262 lot 30178 which were built as third class only but quickly converted to composites becoming diagram 505. | ||
| 507 |  |
DL | DMC | Derby | 30085 | |
| 508 |  |
DL | TBS | Derby | 30194 | |
| 509 |  |
DL | DTC | Derby | 30124, 30236, 30241, 30325 | |
| 510 |  |
DL | DMC | Derby | 30325 | |
| 511 |  |
DL | DTC | Derby | 30322 | |
| 512 |  |
121 | DMBS | Pressed Steel | DQ221 | |
| 513 |  |
121 | DTS | Pressed Steel | DS201 | |
| 513/A |  |
121 | DTS | Pressed Steel | 30519 | Gangwayed |
| 514 |  |
DL | DMBS | Derby | 30380 | |
| 515 |  |
DL | DMBS | Derby | 30387 | |
| 516 |  |
114 | DMBS | Derby | DQ217 | |
| 517 |  |
DL | TS | Derby | 30195 | |
| 518 |  |
DL | DMS | Derby | 30193 | |
| 519 | ?? | ?? | ?? | ?? |