DBAG Class 422

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DBAG-Baureihe 422
422 027-3 S2 Dortmund-Westerfilde.jpg
422 027 at Dortmund-Westerfilde station
In service 2008 -
Manufacturer Alstom, Bombardier
Constructed 2007–2011
Entered service 2008 -
Number built 84
Operator(s) Deutsche Bahn AG
Line(s) served S-Bahn Rhein-Ruhr
Car length 69,43m
Width 3,020mm
Height 4,033mm
Floor height 1.025 mm
Platform height 960 mm
Doors 12
Maximum speed 140 km/h
Weight 112t
Power output 2.350 kW
Power supply Electric
Electric system(s) 15 kV 16,7 Hz ~
Braking system(s) Electric,Air
Safety system(s) Sifa, PZB
Track gauge 1,435 mm (4 ft 8 12 in)

The Class 422 is a series of four-car electric multiple units that are a derivative of the DBAG Class 423.


The units were commissioned by Deutsche Bahn in 2005. 78 units worth 343 million will be built by Bombardier Transportation and Alstom and be delivered between March 2008 and October 2010.

Deutsche Bahn uses the units on the Rhine-Ruhr S-Bahn network.