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Locomotive-Specs
AEI BR 81 – photo 1© trainspo.com
Electric locomotive

AEI BR 81

Built by AEI, BRC&W

Top speed
161 km/h
100 mph
Power output
2,390 kW
3,205 hp
Weight
81 t
178,574 lb
Length
17.22 m
56 ft 6 in
Track gauge
1,435 mm
Standard gauge
Years built
1959–1964
25 units

Overview of the AEI BR 81

Discover the powerful BR 81 electric locomotive, a notable member of British Railways' fleet.

This Bo'Bo' wheel arrangement locomotive boasts a robust design, built by AEI and BRC&W between 1959 and 1964.

With a top speed of 161 km/h and a power output of 2390 kW, the BR 81 was a significant electric traction unit.

Its substantial weight of 81 tonnes and tractive effort of 222 kN made it capable of handling demanding duties on the 1435 mm gauge network.

Measuring 17.22 meters in length, this locomotive is a testament to early electric locomotive development in the United Kingdom.

AEI BR 81 technical specifications

Value
Built byAEI, BRC&W · 1959–196425 units
Top speed161 km/h100 mph
Power output2,390 kW3,205 hp
Tractive effort222 kN49,908 lbf
Electric systems
  • 25 kV AC 50 Hz
Track gauge1,435 mmStandard gauge4 ft 8½ in
UIC axle arrangementBo'Bo'
Length17.22 m56 ft 6 in
Width2.65 m8 ft 8 in
Height3.77 m12 ft 4 in
Weight81 t178,574 lb
Source of the data: en.wikipedia.orgView this model on trainspo.com Spotted an error? Let us know

Operators of the AEI BR 81

Railway companies that have operated the BR 81, with the class designation used by each of them.

OperatorClassCountry
British Railways BoardBR 81United Kingdom

AEI BR 81 photos

Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.

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