© trainspo.comDoncaster Works BR 85/0
Built by Doncaster Works
Overview of the Doncaster Works BR 85/0
Explore the powerful BR 85/0 electric locomotive, a significant piece of British railway history.
Built at Doncaster Works between 1961 and 1964, this robust locomotive boasts an impressive 2400 kW power output and a top speed of 160 km/h.
With its Bo'Bo' axle configuration and weighing 81 tons, the BR 85/0 was designed for the 25 kV AC 50 Hz electric systems, delivering a substantial tractive effort of 222 kN.
Measuring 17.22 meters in length and running on a 1435 mm gauge, this electric unit played a vital role in the operations of the British Railways Board. Discover the engineering and heritage of this notable locomotive.
Doncaster Works BR 85/0 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Series | BR85 | |
| Built by | Doncaster Works · 1961–196440 units | |
| Top speed | 160 km/h99 mph | |
| Power output | 2,400 kW3,218 hp | |
| Tractive effort | 222 kN49,908 lbf | |
| Electric systems |
| |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| UIC axle arrangement | Bo'Bo' | |
| Length | 17.22 m56 ft 6 in | |
| Weight | 81 t178,574 lb |
Operators of the Doncaster Works BR 85/0
Railway companies that have operated the BR 85/0, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| British Railways Board | BR 85/0 | United Kingdom |
Doncaster Works BR 85/0 photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
More electric locomotives from Doncaster Works

Doncaster Works
BR 85/1
Electric locomotive
1961–1964 · 160 km/h

Doncaster Works
BR 71
Electric locomotive
1958–1960 · 145 km/h

Doncaster Works
86/0
Electric locomotive
180 km/h · 2,680 kW

Doncaster Works
86/1
Electric locomotive
180 km/h · 2,680 kW

Doncaster Works
86/2
Electric locomotive
180 km/h · 2,680 kW

Doncaster Works
86/4
Electric locomotive
180 km/h · 2,680 kW

Doncaster Works
86/5
Electric locomotive
180 km/h · 2,680 kW

Doncaster Works
86/6
Electric locomotive
180 km/h · 2,680 kW
Similar electric locomotives from other manufacturers

Werkspoor
NSM 1000
Electric locomotive
160 km/h

Beyer & Peacock
BR 82
Electric locomotive
1960–1962 · 161 km/h

NBL
BR 84
Electric locomotive
1960–1961 · 160 km/h

AEI
BR 81
Electric locomotive
1959–1964 · 161 km/h

English Electric
BR 83
Electric locomotive
1960–1962 · 160 km/h

ACEC
SNCB 15
Electric locomotive
1962 · 160 km/h

MTE
BB 25200
Electric locomotive
1965–1975 · 160 km/h

CEM
BB 9600
Electric locomotive
1959–1964 · 140 km/h