ICE S is Deutsche Bahn
Deutsche Bahn
Deutsche Bahn AG is the German national railway company, a private joint stock company . Headquartered in Berlin, it came into existence in 1994 as the successor to the former state railways of Germany, the Deutsche Bundesbahn of West Germany and the Deutsche Reichsbahn of East Germany...

's testing train for high-speed tests. The "S" stands for Schnellfahrtzug, which is German for high speed train
High Speed Train
There are three types of trains in Britain that have been traditionally viewed as high speed trains:* Advanced Passenger Train - Tilting trains which never entered into regular revenue-earning service....

. It replaced the InterCityExperimental (ICE V)
The Intercity Experimental, later renamed ICE V, was an experimental train for research into high-speed rail. It is the predecessor of all Intercity-Express trains.- History :...



The train was originally used to test components during the development of the ICE 3
ICE 3 is a family of high-speed EMUs of Deutsche Bahn. It includes classes 403 and 406, which are known as ICE 3 and ICE 3M respectively...

 in the mid-1990s. The powerheads were taken from the ongoing production of the ICE 2 with only minor modifications. Two of the three original carriages had 500 kW traction motor
Traction motor
Traction motor refers to an electric motor providing the primary rotational torque of a machine, usually for conversion into linear motion ....

s on each axle, resulting in an impressive overall power output of 13,600 kW. When testing was completed, both these powered carriages were retired.

After the ICE V was retired, the ICE S became the testing train for the maintenance of the high-speed lines. Three times a year, the train runs on each line with an array of sensors and cameras to determine the line's condition. During the acceptance test
Acceptance test
In engineering and its various subdisciplines, acceptance testing is a test conducted to determine if the requirements of a specification or contract are met...

s of new high-speed lines, the ICE S is usually the first train to drive the line at design speed and beyond.

While testing bogie
A bogie is a wheeled wagon or trolley. In mechanics terms, a bogie is a chassis or framework carrying wheels, attached to a vehicle. It can be fixed in place, as on a cargo truck, mounted on a swivel, as on a railway carriage/car or locomotive, or sprung as in the suspension of a caterpillar...

s for DB and Japan Rail, the train achieved a speed of 393 km/h on 13 July 2001, which is the highest speed driven on German rails since the InterCityExperimental's land speed record campaign in 1988.

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