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BR420 / ET420  LokSound 5 European Sound files N XL L M4

Since the three-car Class 420 S-Bahn multiple units were introduced for the 1972 Munich Olympic Games, they are often referred to as the "Olympic multiple units." With their thyristor-controlled traction control, Deutsche Bahn (DB) was breaking new ground at the time. Because the 2400 kW of power was distributed across all twelve axles, the three-car units, equipped with axle-hung traction motors, exhibited excellent acceleration. The three prototypes were followed by eight production series, more…