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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Reichsbahn Deutsche Bahn Various private operators Class DR: E 42, later 242 DBAG: 142 Locale Germany, Switzerland Withdrawn from 1992

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.

Technical specifications

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

History

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

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

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". 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. Garratt, Colin (2000). Locomotives of the World. Lorenz Books. p. 56. ISBN 0-7548-0513-1.

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.

v t e Classes of German electric locomotives
Current class numbering	101 102 103 104 105 109 110 111 112 112 (old) 113 114 114 (old) 115 116 117 118 119 120 127 128 132 139 140 141 142 143 144 145 146 146.1 146.2 147 150 151 152 152 (DB) 155 156 160 163 169 171 175 180 181 182 182 (old) 183 183 (old) 184 185 186 187 188 189 190 191 193 193 (old) 194
Pre-1968 class numbering	E 03 E 04 E 05 E 10 E 10.12 E 15 E 16 E 17 E 18 E 19 E 21 E 32 E 36 E 40 E 41 E 44 E 50 E 52 E 60 E 61 E 62 E 63 E 69 E 70.2 E 71 E 72 E 73 E 75 E 77 E 79 E 80 E 91 E 91.3 E 92 E 93 E 94 E 95 E 244 E 310 E 320 E 344 E 410
DR classes	204 211 212 218 230 242 243 244 250 251 252 254
Older DR classes	E 04 E 05 E 11 E 17 E 18 E 21 E 42 E 44 E 77 E 94 E 95 E 251
see also Category:Deutsche Bundesbahn locomotives, Category:Deutsche Reichsbahn (East Germany) locomotives, Category:Deutsche Bahn locomotives

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