Hamburg U-Bahn Type DT4
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A DT4 train at Überseequartier station in May 2013
|Number built||126 units|
|Number in service||126 units|
|Operator(s)||Hamburger Hochbahn AG|
|Train length||60.28 m (197 ft 9 in)|
|Width||2.58 m (8 ft 6 in)|
|Height||3.32 m (10 ft 11 in)|
|Doors||2 pairs per side (per car)|
|Maximum speed||80 km/h (50 mph)|
|Weight||76.8 t (75.6 long tons; 84.7 short tons)|
|Traction system||Three-phase asynchronous (two motors per powered bogie)|
|Power output||1,000 kW (1,340 hp)|
|Electric system(s)||750 V DC third rail|
|Current collection method||Contact shoe|
|Braking system(s)||Dynamic main brakes, automatic air brakes|
|Track gauge||1,435 mm (4 ft 8 1⁄2 in)|
The trains have steel car bodies and a three-phase propulsion system. Thyristor inverters are used in the DT4.1 and DT4.2 trains, and the DT4.3 through DT4.5 trains use GTO-pulse inverters. The DT4.56 and DT4.6 trains use IGBT-pulse inverters.
The DT4 trains are being refurbished since 2011. They receive a newer interior appearance, similar to the interior of the DT5 trains. One car of set 140 was refurbished for testing purposes in summer 2010. Regular refurbishment started in 2011.
- Schleife W.; et al. (1992). Metros der Welt [Metros of the world] (in German) (2nd ed.). Berlin: transpress Verlagsgesellschaft. p. 142. ISBN 3-344-70715-9.
- Pabst, Martin (2006). S-Bahn- und U-Bahn-Fahrzeuge in Deutschland [S-Bahn and U-Bahn vehicles in Germany] (in German) (2nd ed.). GeraMond. pp. 62–63. ISBN 3-7654-7366-9.
- "Mehr Fernsehen in Hamburgs Zügen - Hochbahn baut Unterhaltungs-Angebot aus" [More television on Hamburg's trains - Hochbahn is expanding its entertainment service]. Hamburger Morgenpost (in German). November 1, 2019. Archived from the original on January 5, 2020. Retrieved January 5, 2020.
|Wikimedia Commons has media related to Hamburg U-Bahn train type DT4.|
- Hochbahn fleet information (in German)