The DR Class 243 is one of the locomotives with the axle formula Bo'Bo'. The axle formula Bo'Bo' has always used two individually driven axles in two different frame bogies.

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The DR was a former locomotive of the German Reichsbahn, which was manufactured by the company LEW in Hennigsdorf near Berlin. It was designed as a locomotive for passenger and medium goods traffic and has a continuous output of 3500 kW, which is generated by 4 engines. The permanent tensile force is 128 kN. The series 243 was manufactured from 1984 to 1990 and was a sister model of the proven series 250 (today class 155), a heavy and powerful locomotive with a top speed of 160 KM / h. The first electric locomotive of the 243 series was named “White Lady” because of its color and can still be found today in the works of the LEW. Today the company LEW belongs to AEG.

Details of DR Class 243


  • Manufacturer: LEW-Hennigsdorf
  • Length: 16.640 mm
  • Numbering: various
  • Weight: 83 t
  • Years of Construction: 1982–1991
  • Top speed: 160 km/h
  • Retirement: from 2008
  • Drive: LEW-cone annular spring
  • Power system: 15 kV 16,7 Hz ~
  • Numbers: 646
  • Power: 3500 kW
  • Command: PZ 80/LZB I 80/I 60 R/PZB 90 V. 1.6

Use of the DR Class 243

The locomotive was used as a passenger and freight locomotive of the Reichsbahn and also lent to other railway companies. In 1990, the German Federal Railways rented 150 of these locomotives due to a lack of locomotives for local traffic. These locomotives were mainly used for regional and local traffic. Some copies were also used as a train for the S-Bahn. These were painted in the former S-Bahn colors orange and light gray. The German railway baptized 1992 the locomotive in the series 143. In addition to the German railway, the Swiss Southeast Railway (SBO) also used this locomotive. In Germany, the DR Class 243 or 143 is still used today in regional traffic. The contrast between modern double-decker cars and the angular, noisy DR Class 243 series catches the eye. However, these locomotives are very reliable and will be in service for a few years for the regional trains of the German railway.