British Rail Class EF1

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British Rail Class EF1
Type and origin
Power typeElectric
BuilderUnited Kingdom North Eastern Railway
Build date1914-1919
Total produced10
 • AARBo-Bo
Gauge1435 mm
Electric system/s1500V DC
Current pickup(s)Pantograph
Engine type4x275hp, Siemens
Performance figures
Power output820 kW (1100 hp)
Railroad(s)North Eastern Railway
British Railways
ClassLNER & BR: EB1
Number in class10
NumberNER: 3-12
LNER: 6490-6499
BR: 26502-26511
RetiredApril 1964

The British Rail Class EF1 (Electric Freight 1) was a class of electrically powered locomotives used by British Rail in England. They were used during the pre-TOPS period. They were also classified as British Rail Class EB1 for a short period of time, although only a single locomotive was completely modified to EB1 condition.