DBAG Class 423

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DBAG Class 423 (and 433)

Two coupled Class 423 units
Power type	Electric
Builder	Adtranz/Bombardier, ALSTOM LHB and ABB (consortium)
Build date	since 1998
Total production	462
UIC classification	Bo'(Bo')(2')(Bo')Bo'
Gauge	1,435 mm (4 ft 8½ in)
Wheel diameter	850 mm
Length	67.4 m
Total weight	105 t
Electric system	15 kV 16.7 Hz AC
Top speed	140 km/h
Power output	2,350 kW
Locale	Germany

The Class 423 EMU is a light-weight articulated electric railcar for S-Bahn commuter networks in Germany. The train has similar dimensions to its predecessor, the Class 420 EMU, but is significantly lighter and has one large passenger compartment, while that of the 420 is divided into three parts.

A Class 423 unit consists of four cars that share three jacobs bogies and can only be separated at maintenance facilities. The inner two cars are designated as Class 433. A 423 unit typically consists of the following cars, where x is the unit's number:

• 423 x
• 433 x
• 433 (x+500)
• 423 (x+500)

e.g. 423 194 + 433 194 + 433 694 + 423 694. Different consists usually occur when the remains of partially destroyed units are combined to form one intact EMU.