1973 Stock
Longer cars than other tube stock, with extra floor space by the doors for luggage on the Heathrow route. Refurbished by Bombardier Prorail in 1996–2001.
- Type
- Electric multiple unit
- Builder
- Metro-Cammell, Washwood Heath, Birmingham
- Built
- 1974–1977
- In service
- since 1975
- Lines
- Piccadilly
- Formation
- 6 cars: two 3-car units (some double-ended units run as DM-T-DM)
- Trains in fleet
- 86
- Train length
- 106.81 m
- Car height
- 2.888 m
- Car width
- 2.629 m
- Profile
- tube
- Walk-through
- No
- Air-conditioned
- No
- Seats per train
- 228
- Standing (5 per m²)
- 570
- Total capacity
- 798 (228 seated + 570 standing at 5 per m²)
- Status
- In service. Withdrawal begins once the 2024 Stock enters passenger service (expected December 2026 to June 2027).
Car types
| Code | Car | Length | Weight (tare) | Doors per side |
|---|---|---|---|---|
| DM | Driving motor | 17.473 m | 29.76 t | 2 double + 1 single |
| T | Trailer | 17.676 m | 20.18 t | 2 double + 2 single |
| UNDM | Uncoupling non-driving motor | 17.676 m | 28.53 t | 2 double + 2 single |
Sources
- Rolling Stock Information Sheets (2nd edition), London Underground, March 2007, pp. 6–7 (builder, dimensions, doors, formation, capacity, train length)
- Rolling Stock Information Sheets (2nd edition), London Underground, March 2007, pp. 7 (car and train diagrams: lengths, gaps, bogie centres, wheelbase, weights; door and window positions measured from the scale drawings)
- Rolling Stock Information Sheets (4th edition), Transport for London (released under FOI-0237-2223), pp. 4-5 (86.5 six-car trains as built; refurbished by Bombardier Prorail 1995-2000)
- Piccadilly line upgrade, TfL (current fleet of 86 trains)
- London Underground 1973 Stock, Wikipedia (first service 19 July 1975)
unverified final withdrawal date (Wikipedia says by 2030; no TfL source found)