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Hamburg U-Bahn Type DT5

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HHA-Baureihe DT5
Hamburger Hochbahn DT5 304 at Baumwall station.jpg
DT5 304 arriving at Baumwall station, July 2023
Manufacturer Alstom & Bombardier
Built atSalzgitter
Replaced Type DT3
Constructed2008-2022
Number built163 vehicles
Formation3 cars per trainset
Capacity336 (96 seated)
Operators Hamburger Hochbahn AG
Specifications
Car body constructionStainless steel
Train length39,600 mm (129 ft 11 in)
Width2,600 mm (8 ft 6 in)
Doors2 pairs per side
Maximum speed80 km/h (50 mph)
Weight54,6 t
Traction system Three-phase
Power output135 kW x 6
Electric system(s) 750 V DC, 3rd rail
Current collection contact shoe
Braking system(s) Disc brake, regenerative brake
Track gauge 1,435 mm (4 ft 8+1⁄2 in)

The Type DT5 is an electric multiple unit (EMU) train type operated by the Hamburger Hochbahn AG on the Hamburg U-Bahn system. It is the first type of rolling stock on the Hamburg U-Bahn that has air conditioning and gangways between the individual cars. [1]

Contents

Formation

Every DT5 train consists of three permanently-coupled cars. The cars are connected with gangways, allowing passengers to walk into the adjacent cars. [1] Up to three units can be coupled together. [2]

Interior

The interior consists of red upholstered seating, and spaces for wheelchairs [1] and prams. [3] The trains have displays which show the names of the next four stations, and CCTV cameras. [3] The interior is air conditioned. [2]

Technical specifications

The train is built to an articulated design, with the two end cars only having one bogie, while the center car has two bogies. [1] The car bodies are made out of stainless steel, and the trains are powered by three-phase motors. [1] In order to save weight, the DT5 trains use aluminium brake discs, which make a loud squealing sound while braking. [4]

History

A European-Union–wide tender for the construction of the DT5 trains began in 2005. [5] Siemens, Stadler, Rotem and a consortium of Alstom and Bombardier bid for the contract. [1] The trains were ordered in December 2006 from the consortium of Alstom and Bombardier at a cost of € 240 million. [1] The first unit was delivered to the Barmbek depot on December 1, 2011. [6] Further DT5 trains were ordered in 2016, [7] 2018 [8] and 2019 [9] bringing the total number of trains built to 163. [10]

References

  1. 1 2 3 4 5 6 7 "Hamburg's DT5 takes shape". metro-report.com. Metro Report International. August 2, 2008. Archived from the original on August 1, 2019. Retrieved February 11, 2019.
  2. 1 2 "Hamburg unveils first DT5 trainset". metro-report.com. Metro Report International. March 9, 2010. Archived from the original on August 1, 2019. Retrieved February 11, 2019.
  3. 1 2 "Der MOPO-Check: Das taugt die neue U-Bahn" [The MOPO-Check: This is the new subway]. mopo.de (in German). Morgenpost Verlag. March 5, 2010. Archived from the original on February 9, 2019. Retrieved February 9, 2019.
  4. ↑ Spörrle, Mark (October 4, 2017). "Warum quietschen die neuen U-Bahn-Züge so?" [Why are the new subway trains squealing like that?]. zeit.de (in German). Zeit Online. Archived from the original on February 14, 2019. Retrieved February 13, 2019.
  5. ↑ Pabst, Martin (2006). S-Bahn- und U-Bahn-Fahrzeuge in Deutschland[S-Bahn and U-Bahn vehicles in Germany] (in German) (2nd ed.). GeraMond. p. 64. ISBN   3-7654-7366-9.
  6. ↑ Trümpler, Erik (December 1, 2011). "Riesenraupen: Das ist Hamburgs neue U-Bahn" [Giant caterpillars: This is Hamburgs new subway]. mopo.de (in German). Morgenpost Verlag. Archived from the original on February 9, 2019. Retrieved February 9, 2019.
  7. ↑ "World rolling stock market February 2016". railwaygazette.com. Railway Gazette. February 14, 2016. Archived from the original on December 3, 2016. Retrieved February 14, 2019.
  8. ↑ "More DT5 metro trains ordered for Hamburg". metro-report.com. Metro Report International. December 14, 2018. Archived from the original on February 14, 2019. Retrieved February 11, 2019.
  9. ↑ "Alstom to supply 32 additional DT5 metros for Hamburg". Alstom. Retrieved 2023-02-21.
  10. ↑ "163 vehicles: the latest metro generation for Hamburg is complete". Alstom. Retrieved 2023-02-21.
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