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ICE TD

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This article is about the diesel-powered trainset. For the similar looking electric trainset, see ICE T.
DBAG Class 605
In service2001–2017
ManufacturerBombardier/Siemens
Family nameVenturio
Constructed1998–2000
Number built20 trainsets
Formation4 cars per trainset
Capacity154 standard class, 41 first class
OperatorsDB Fernverkehr
DSB
Specifications
Car body constructionSteel
Articulated sectionsFlexible diaphragm (within unit only)
Maximum speed200 km/h (124 mph)
Weight232 t (228 long tons; 256 short tons)
Traction systemDEMU
Prime mover(s)Cummins QSK19 (four engines)
Power output4 × 560 kilowatts (750 hp) = 3,000 hp (2,200 kW) at 1,800 rpm
TransmissionDiesel-electric transmission
UIC classification2′Bo′+Bo′2′+2′Bo′+Bo′2′
Braking system(s)Rheostatic
Safety system(s)Sifa, PZB90, LZB, Eurobalise
Coupling systemDellner[1]
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

The DBAG Class 605, commonly known as the ICE TD was a high-speed diesel multiple unit (DMU) train, in service with Deutsche Bahn and DSB.

History

Development

Following the successful inauguration of the Intercity-Express system in 1991 and the order to develop the ICE 2, in 1994 DB started plans to upgrade long-distance services using conventional lines, with comfort level raised near the ICE standard and higher speeds, with tilting electric multiple units to replace locomotive-pulled InterCity (IC) and InterRegio (IR) trains. DB assigned the name IC T to the project, with "T" standing for Triebzug (multiple unit). This development resulted in the ICE T.

Later, Deutsche Bahn also saw the need for a similar new train on its non-electrified routes, and started the ICT-VT project, with "VT" standing for Verbrennungstriebwagen (internal combustion motor car).

Deutsche Bahn pursued the development of the ICE 3, IC T and ICT-VT projects in parallel. The trains share a general styling concept, most prominently a lounge section in the front cars with a view forward at the tracks, being separated only by a glass wall from the driver's compartment. Technically, the trains share a lot of components and technical layout, as well as the concept of distributed traction: in contrast to the ICE 1 and ICE 2 designs, the new units were planned not with powerheads, but with peripheral underfloor motors, in order to reduce axle load (quite important for tilting trains) and increase tractive effort.

For the ICT-VT, a four-car configuration was chosen, without a restaurant car, otherwise, Deutsche Bahn aimed for a common appearance and the greatest possible technical commonality with the IC T. Even the possibility of coupling together an electric and diesel train and operate them jointly was to be provided.

Production

In 1996, Deutsche Bahn placed an order for 20 diesel multiple units with a consortium led by Siemens.

As for the ICE T, DWA (Bombardier) produced the end cars and Siemens produced the middle cars. The ICE TD was fitted with an electro-mechanic tilting actuator system developed by Siemens, rather than the Fiat (Alstom) Pendolino hydraulic system used in the ICE T. Also, the secondary suspension between bogie and carbody is air springs rather than metal coils for higher ride comfort.[2] A characteristic element of the Siemens system visible on the outside is the crescent-shaped top of the outer carbody supports (above the bogie center).

The tilting system also left room for electric motors on both axles in a bogie, thus every car of the diesel-electric train has an unpowered bogie and a powered bogie (2′Bo′ configuration).[2] The power for the electric motors of the class 605 is generated by four diesel engines, one on each car, with 560 kW power each. These engines are based on engines for trucks. Electrically, the two halves of the train form two independent power units of two cars each, with the theoretical possibility of the addition of a fifth car as middle trailer.

The first train was assembled in 1998, trials on track started in April 1999. During a test run on 13 January 2000, 222 km/h was achieved.[2]

Shortly before the first IC T entered service in 1999, the names of the electric and diesel trains were changed to ICE T and ICE TD respectively, with "T" now standing either for the English word tilt(ing) or the German Triebzug (trainset, trains with underfloor-engines as opposed to the older ICEs which consisted of carriages coupled between locomotives), and "TD" for tilt(ing) / trainset diesel.

Operations

2nd class interior of the ICE TD
An ICE TD aboard a ferry between Puttgarden and Rødby
An ICE TD in DSB livery, seen in 2014

In 2001, all 20 units were commissioned for Deutsche Bahn, who took them as class 605. After pilot runs, the trains entered regular service on the new ICE line 17 between Dresden and Nuremberg on 10 June 2001. Shortly after, the trains were also used between Munich and Zurich as a replacement for EuroCity trains. Both of these routes between the major cities are partially not electrified, explaining the usage of diesel powered trains.

The service life of the class 605 was rather ill-fated. The ICE TD units were plagued by technical problems from the start. After the breaking of an axle on 2 December 2002, all remaining 19 units (one fell off a working platform during maintenance) were grounded. Even though one year later the trains were admitted to service again, DB judged their operation to be overly expensive. DB must pay full diesel tax for the fuel.

The trains were re-activated for a short time in anticipation of extra traffic during the 2006 FIFA World Cup in Germany. From 2006, they were used for charter and relief trains.

From the end of 2007, the class 605 was used in regular service on the Berlin–Hamburg–Copenhagen route, as a replacement for the Danish IC3 trains in Hamburg–Copenhagen service (Vogelfluglinie), due to delays in the introduction of DSB's IC4 trains, due to technical problems. The ten class 605 used in these services were equipped with the Danish ATC safety system. From 2008, the Denmark-compatible 605 were also used for Berlin–Hamburg–Aarhus services (previously, IC3 was used on the Flensburg–Aarhus route, and regional trains on Hamburg–Flensburg services). From mid-2009, three more ICE-TD units were used on Germany–Denmark services, allowing DSB to free up more IC3 trains for domestic use.[3]

On 11 December 2016, most class 605 trainsets were taken out of service.[4] DB did not want to invest in the necessary major overhaul procedure where all components are checked and replaced if needed. DSB was offered the opportunity to buy the trainsets, but declined to do so. The trains suffered from overall high maintenance and operation costs.[5] The Vogelfluglinie between Hamburg and Copenhagen continues to be operated with Danish IC3 trainsets as well as the Aarhus-Hamburg route, however both with fewer departures. One single remaining ICE TD trainset was operated on the Hamburg-Copenhagen route until 1 October 2017 and then also retired.[6]

Routes

Former routes

ICE TD trainsets were used on the following routes:[7]

See also

References

  1. ^ Dellner Couplers AB – Automatic and Semi-Permanent Couplers
  2. ^ a b c "ICE-TD" (in German). hochgeschwindigkeitszuege.com. Archived from the original on 2009-01-19. Retrieved 2009-01-19.
  3. ^ "DSB skaffer nye tog til sjællandske pendlere" (in Danish). Danske Statsbaner. 2008-10-14. Retrieved 2009-03-03.
  4. ^ http://www.tagesspiegel.de/berlin/deutsche-bahn-direktverbindung-nach-daenemark-droht-das-aus/11915488.html
  5. ^ railjournal.com - DSB to withdraw ICE-TDs as DB terminates lease 1 June 2015
  6. ^ ICE-TD nach Kopenhagen
  7. ^ a b hochgeschwindigkeitszuege.com - ICE-TD der Deutschen Bahn AG (German) retrieved 1 November 2016

Media related to ICE TD at Wikimedia Commons

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