DR Class E 11

The DR Class E 11 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 109.

DR Class E 11 / Class 211
DBAG Class 109
E 11 001 in August 2019
Type and origin
Power typeElectric
BuilderLEW Hennigsdorf
Build date1961–1963, 1970–1976
Total produced96
Specifications
Configuration:
​
 • UICBo′Bo′
Gauge1,435 mm (4 ft 8 1⁄2 in)
Wheel diameter1,350 mm (4 ft 5 1⁄8 in)
Wheelbase11,300 mm (37 ft 1 in)
Pivot centres7,800 mm (25 ft 7 in)
Length16,260 mm (53 ft 4 in) over buffers
Width3,050 mm (10 ft 1⁄8 in)
Height:
​
 • Pantograph4,530 mm (14 ft 10 3⁄8 in) (with pantograph lowered)
Axle load20 tonnes (20 long tons; 22 short tons)
Loco weight82.5 tonnes (81.2 long tons; 90.9 short tons)
Electric system/s15 kV  ​16 2⁄3 Hz AC overhead catenary
Current pickup(s)Pantograph
Traction motors4 off
Performance figures
Maximum speed120 km/h (75 mph)
Power output:
​
 • 1 hour2,920 kW (3,920 hp) at 98 km/h (61 mph)
 • Continuous2,740 kW (3,670 hp) at 104 km/h (65 mph) (from E 11 008)
Tractive effort:
​
 • Starting216 kN (49,000 lbf)
Career
Operators
Class
  • DR: E 11, later 211
  • DBAG: 109
LocaleGermany
Withdrawn1990s

Technical specifications

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

History

The first two pre-series locomotives entered service in 1961.[2] From 1970 onward, the Class E 11 was designated as Class 211.[3] Construction resumed until 1976, with 95 locomotives built, and one locomotive rebuilt and renumbered after a rail accident, bringing the total number of locomotives to 96.[2] Deutsche Bahn withdrew their last former E 11 locomotive, now designated as Class 109, in May 1998.[4]

  • Former E 11 operated by Georg Verkehrsorganisation, hauling the Berlin-Night-Express in September 2008
  • Cab of E 11 033

References
  1. Goldsack, Paul, ed. (1981). Jane's World Railways 1981-82 (23rd ed.). Jane's Publishing Company Ltd. p. 268. ISBN 0 7106 0726 1.
  2. "Quantensprung (page 3)". lok-magazin.de (in German). GeraMond Verlag. Archived from the original on July 1, 2020. Retrieved July 1, 2020.
  3. Rossberg, Ralf, ed. (2013). Deutsche Eisenbahnfahrzeuge von 1838 bis Heute [German railway vehicles from 1838 to today] (in German). Springer-Verlag. p. 203. ISBN 9783642957703.
  4. "Quantensprung (page 4)". lok-magazin.de (in German). GeraMond Verlag. Archived from the original on July 1, 2020. Retrieved July 1, 2020.

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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