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DBAG Class 424/434
ManufacturerAdtranz/Bombardier, Siemens
Number built40
Train length67.5 m (221 ft)
Floor height798 mm
Wheel diameter850 mm (33 in)
Maximum speed140 km/h (87 mph)
Weight114 t (112 long tons; 126 short tons)
Traction systemElectric
Power output2,350 kW
Electric system(s)15 kV 16.7 Hz AC
UIC classificationBo'(Bo')(2')(Bo')Bo'
Track gauge1,435 mm (4 ft 8 12 in)

The Class 424 is a class of electric multiple units in use on the Hanover S-Bahn network.


They are similar to Deutsche Bahn's Class 425 and Class 423 trainsets, but feature a comparatively low floor height of 78 cm (31 in) to allow step-free access on 76 cm platforms. They also lack a third set of doorways in the center of each car.


In total, 40 units were built. Some of the units carry names of towns and cities on the Hanover S-Bahn network: