Diagrams 540 - 559
| Diagram | Class | Type | Builder | Became Design Code |
Notes | |
|---|---|---|---|---|---|---|
| 540 |  |
119 | DMBC | GRC&W | DQ302 | |
| 540 alternate |
 |
119 | DMBC | GRC&W | ||
| 541 |  |
119 | DMS | GRC&W | DP203 | |
| 542 |  |
119 | TSB | GRC&W | DT216 | |
| 543 |  |
108 | DMBS | Derby | DQ212 | |
| 543 alternate |
 |
108 | DMBS | Derby | 30406, 30407, 30460, 30465 | Weight is shown as 27 tons, 29 tons on the other version. |
| 543A |  |
108 | DMBS | Derby | DQ231 | Refurbished version of 543. |
| 544 |  |
108 | DMC | Derby | DP219, DP310 | |
| 545 |  |
108 | TS | Derby | DT206 | |
| 545 alternate |
 |
108 | TS | Derby | 30493 | Weight is shown as 21 tons, 23 tons on the other version. |
| 546 |  |
108 | TBS | Derby | DU201 | |
| 546 alternate |
 |
108 | TBS | Derby | DU201 | Weight is shown as 21 tons, 23 tons on the other version. |
| 547 |  |
108 | TS | Derby | DT205 | |
| 547 alternate |
 |
108 | TS | Derby | 30411 | Weight is shown as 21 tons, 22 tons on the other version. |
| 548 |  |
105 | DMBS | Cravens | DQ210 | |
| 549 |  |
105 | DTC | Cravens | DS209 (DTS), DS309 (DTC) | |
| 550 |  |
126 | DMBS | Swindon | DQ225 | |
| 551 |  |
126 | DMS | Swindon | DP208 | |
| 552 |  |
126 | DMBS | Swindon | 30200 | |
| 553 |  |
116 | DMBS | Derby | DQ219 | |
| 553 ammended |
 |
116 | DMBS | Derby | DQ219 | |
| 553 ammended with notes |
 |
116 | DMBS | Derby | DQ219 | |
| 554 |  |
116 | DMS | Derby | DP201 | |
| 554 ammended |
 |
116 | DMS | Derby | 30213, 30364, 30447 | |
| 554 ammended with note |
 |
116 | DMS | Derby | 30213, 30364, 30447 | |
| 555 |  |
116 | TC | Derby | DT215 | |
| 555 ammended |
 |
116 | TC | Derby | 30212, 30365, 30448 | |
| 555 ammended with note |
 |
116 | TC | Derby | 30212, 30365, 30448 | |
| 556 |  |
104 | DMBS | BRCW | DQ205, (DMBS) DY204 (DHBS) | |
| 557 |  |
104 | DMBS | BRCW | DQ206 | |
| 558 |  |
104 | DMC | BRCW | DP209 (DMS), DP305 (DMC), DW303 (DHC) | |
| 559 |  |
104 | DMC | BRCW | DP218, DP306 |