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#3477· Class 81

British Rail Class 81

🇬🇧 United Kingdom ·built by Associated Electrical Industries· from 1959· class of 25 AC electric locomotives

British Rail Class 81, photo 1 of 3
1/3 Phil Sangwell· CC BY 2.0

what is it?

The British Rail Class 81 is a type of AC electric locomotives that formerly operated on the West Coast Main Line of British Rail's London Midland Region. Originally designated AL1, it was the first class of AC electric locomotive to be delivered to British Railways.

who runs it

base stats

  • speed 161 km/htop speed
  • power 2.4 MWpower output
  • built 25made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

  • First built 67 years ago, in 1959.
  • Top speed is 1.2× a car on the Dutch motorway (130 km/h).
  • At full speed it would cover Amsterdam–Utrecht (≈ 40 km) in 15 minutes.
  • 2.4 MW is about 28 family cars (~85 kW each) flat out.
  • Served for 31 years (1960–1991).

electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.

spec sheet

built
1959–1964
in service from
1960
retired
1991
status
preserved
number built
25
kind
Electric
traction
electric
origin
🇬🇧 United Kingdom
builders
Associated Electrical Industries, Birmingham Railway Carriage and Wagon Company
operators
British Rail, London Midland Region of British Railways
top speed
161 km/h
power
2.4 MW
gauge
1,435 mm standard gauge
electric system
25 kV AC Catenary
wheel arrangement
Bo′Bo′
Dutch name
Class 81

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q4970854, Wikipedia: British Rail Class 81 (CC BY-SA 4.0).Updated 2026-10-25.

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