Diagrams 640 - 659
| Diagram | Class | Type | Builder | Lot Nos. | Notes | |
|---|---|---|---|---|---|---|
| 640 |  |
108 | DTC | Derby | DS207 (DTS), DS310 (DTC) | |
| 640 note |  |
108 | DTC | Derby | DS207 | Notes added as some vehicles moved to 640A |
| 640A |  |
108 | DTC | Derby | DS314 | Ammended 640 with one double seat turned to fit heater air ducting |
| 641 |  |
114 | DTC | Derby | DS313 | |
| 642 |  |
DL | DTC | Derby | 30202, 30247 | |
| 643 |  |
128 | DMPV | GRC&W | DX501 | |
| 644 |  |
128 | DMPV | GRC&W | DX502 | |
| 645 |  |
103 | DTC | Park Royal | DS304 | |
| 646 |  |
108 | DTC | Derby | DS311 | |
| 647 |  |
107 | TS | Derby | DT204 | |
| 648 |  |
110 | TS | BRCW | DT207 | |
| 649 |  |
107 | DMC | Derby | DP215 | |
| 650 | D-E | DMBS | Eastleigh | 30329 | ||
| 651 | D-E | DMBS | Eastleigh | 30395 | ||
| 652 | D-E | DMBS | ?? | ?? | ||
| 653 |  |
BP | DMBF | Met-Camm | 30553 | |
| 654 |  |
BP | DMBS | Met-Camm | 30554 | |
| 655 | D-E | DMBS | Eastleigh | 30625 | ||
| 656 | D-E | DMBS | ?? | ?? | ||
| 657 |  |
101 | DMBS | Met-Camm | DQ229 | Appears to be a version of diagram 523 after route indicator removal - perhaps refurbished? |
| 658 | ?? | ?? | ?? | ?? | ||
| 659 | ?? | ?? | ?? | ?? |