The DR Class E 42 is a class of electric locomotives formerly operated by the Deutsche Reichsbahn in East Germany. They were later operated by Deutsche Bahn, designated as Class 142.

DR Class E 42 / Class 242 DBAG Class 142
142 255 in September 2007
Type and origin Power type Electric Builder LEW Hennigsdorf Build date 1963–1976 Total produced 292
Specifications Configuration: ​  • UIC Bo′Bo′ Gauge 1,435 mm (4 ft 8+1⁄2 in) Wheel diameter 1,350 mm (4 ft 5+1⁄4 in) Wheelbase 11,300 mm (37 ft 1 in) Pivot centres 7,800 mm (25 ft 7 in) Length 16,260 mm (53 ft 4+1⁄4 in) over buffers Width 3,050 mm (10 ft 1⁄8 in) Height: ​  • Pantograph 4,530 mm (14 ft 10+3⁄8 in) (with pantograph lowered) Axle load 20 tonnes (20 long tons; 22 short tons) Loco weight 82.5 tonnes (81.2 long tons; 90.9 short tons) Electric system/s 15 kV  16+2⁄3 Hz AC overhead catenary Current pickup(s) Pantograph Traction motors 4 off
Performance figures Maximum speed 100 km/h (60 mph) Power output: ​  • 1 hour 2,920 kW (3,920 hp) at 72 km/h (45 mph)  • Continuous 2,740 kW (3,670 hp) at 76 km/h (47 mph) Tractive effort: ​  • Starting 245 kN (55,000 lbf)
Career Operators Deutsche Reichsbahn Deutsche Bahn Various private operators Class DR: E 42, later 242 DBAG: 142 Locale Germany, Switzerland Withdrawn from 1992

Technical specifications

The locomotives have a Bo-Bo axle arrangement and a power output of 2,920 kW (3,916 hp).[1]

History

A total of 292 locomotives have been built.[2] From 1970 onward, they were designated as Class 242.[3] Some locomotives were acquired by Lokoop and hired out for services in Switzerland.[4]

• 
  142 130 operated by BayernBahn
• 
  Former E 42 in Switzerland
• 
  Former E 42 operated by Westfälische Almetalbahn

References

Further reading

• Kotzanek, Jan; Schlegel, Dietmar; Stange, Andreas (2019). Die Baureihen E 11 und E 42 (in German). EK-Verlag. ISBN 978-3-8446-6034-0.

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[de] DR-Baureihe E 42