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#4403· London Underground type D78

London Underground D78 Stock

🇬🇧 United Kingdom ·built by Metro-Cammell· from 1980· ex-London Underground rolling stock that ran on the District Line

🚇 metro electric ✓ in service
London Underground D78 Stock, photo 1 of 10
1/10 Oxyman· CC BY 2.5

what is it?

The London Underground D78 Stock, commonly referred to as D Stock, was a type of sub-surface rolling stock which operated on the District line of the London Underground, except on the Wimbledon to Edgware Road service. The first units were withdrawn in January 2015 with the last withdrawn on 21 April 2017.

who runs it

base stats

  • speed 72 km/htop speed
  • weight 27.5 tin working order
  • seats 821passengers
  • built 75made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

  • First built 46 years ago, in 1980.
  • Weighs about as much as 5 African elephants (~6 t each).
  • 18.4 m long: about 4 cars parked nose to tail.
  • Seats 821: 16 full city buses (~50 seats each).
  • Still in service after 46 years.

metro: Urban rapid transit: frequent, high-capacity trains, often underground.

spec sheet

built
1980
in service from
1980
status
in service
number built
75
kind
Subsurface
traction
electric
origin
🇬🇧 United Kingdom
builders
Metro-Cammell
operators
TfL
top speed
72 km/h
power
—
formation
3 cars per unit, 2 units per train
length
18.4 m
weight
27.5 t
capacity
821 passengers
Dutch name
London Underground type D78

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q900768, Wikipedia: London Underground D78 Stock (CC BY-SA 4.0).Updated 2026-10-25.

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