CLASS 503
| 1938 stock | 1956 stock | |
| Number range: | - | - |
| Former number range: | - | - |
| Alpha code: | - | - |
| Introduced: | 1938 | 1956 |
| Built by: | DMBS
- Metro Cammell TC (later TS) - 29702-12 - Birmingham RCW, 29713-20 - Metro Cammell DTS - Brimigham RCW |
DMBS
- Metro Cammell TC (later TS) - 29821-32 - Birmingham RCW, 28933-46 - Metro Cammell |
| Formation: | Original
- DMBS+TC+DTS Modified - DMBS+TS+DTS |
Original
- DMBS+TC+DTS Modified - DMBS+TS+DTS |
| Vehicle numbers: | DMBS - 28671-28690 | DMBS - 28371-28394 |
| TC(TS) - 29702-29720 | TC(TS) - 29821-29846 | |
| DTS - 29271-29289 | DTS - 29131-29156 | |
| Set length: | 176ft 11in | 176ft 11in |
| Vehicle length: | DMBS/DTS - 58ft 0in | DMBS/DTS - 58ft 0in |
| Height: | 11ft 10 1/4in | 11ft 10 1/4in |
| Width: | 9ft 11in | 9ft 11in |
| Seating: | Total
- Original - 15F/166S Modified - 180S |
Total
- Original - 15F/166S Modified - 180S |
| DMBS - 58S | DMBS - original - 58S, - modified with emergency door - 56S | |
| TC
- 15F/40S Rebuilt TS - 54S |
TS - 54S | |
| DTS - 68S | DTS - 66S | |
| Internat layout: | 2+1F/2+2S | 2+1F/2+2S |
| Gangway: | Original
- No Modified - emergency end doors |
Original
- No Modified - emergency end doors |
| Toilets: | No | No |
| Weight: | Total - 77 tons | Total - 77 tons |
| DMBS - 36 ton | DMBS - 36 ton | |
| TC (TS) - 20 ton | TC (TS) - 20 ton | |
| DTS - 21 ton | DTS - 21 ton | |
| Brake type: | Air (EP/Auto) | Air (EP/Auto) |
| Bogie type: | Single bolster | Single bolster |
| Power collection: | 650V dc third rail | 650V dc third rail |
| Traction motor type: | BTH | BTH |
| Horsepower: | 540hp | 540hp |
| Max speed: | 70mph | 70mph |
| Coupling type: | Screw | Screw |
| Multiple restriction: | Within class only | Within class only |
| Door type: | bi-parting sliding | bi-parting sliding |
| Special features: |
Minor structural differences exist between two builds
Last updated 22/04/06