Hamburg U-Bahn Type DT5

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HHA-Baureihe DT5
HHA DT5 - 306-III.JPG
A DT5 train in October 2012
ManufacturerAlstom & Bombardier
Built atSalzgitter
ReplacedType DT3
Constructed2008–
Number under construction255 vehicles (85 sets)
Number built138 vehicles (46 sets)
Formation3 cars per trainset
Capacity336 (96 seated)
Operator(s)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 systemThree-phase
Power output135 kW x 6
Electric system(s)750 V DC, 3rd rail
Current collection methodcontact shoe
Braking system(s)Disc brake, regenerative brake
Track gauge1,435 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]

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 Euros.[1] The first unit was delivered to the Barmbek depot on December 1, 2011.[6] Further DT5 trains were ordered in 2016[7] and 2018, bringing the total number of ordered trains to 131, of which 46 have already been delivered.[8]

  • A DT5 train on delivery to the Hennigsdorf testing facility in March 2010

References[]

  1. ^ a b c d e f g "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. ^ a b "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. ^ a b "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.

External links[]

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