LSWR A12 class

what is it?

The A12 locomotives of the London and South Western Railway were built between the years 1887 and 1895 to the design of William Adams. Ninety of the locomotives were built, fifty at Nine Elms Works and forty by Neilson and Company, although the latter together with the final twenty from Nine Elms were officially known as the O4 class. They were unusual for their time, with a wheel arrangement of 0-4-2.

who runs it

LALondon and South Western RailwaySouthern RailwayBritish RailSRSouthern Region of British Railways

base stats

• built 90made 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 139 years ago, in 1887.
• ⌛Served for 61 years (1887–1948).

steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.

spec sheet

built

1887–1894

in service from

1887

retired

1948

status

retired

number built

90

kind

Steam

traction

steam

origin

🇬🇧 United Kingdom

builders

Neilson and Company, Nine Elms Locomotive Works

designer

William Adams

operators

London and South Western Railway, Southern Railway, British Rail, Southern Region of British Railways

top speed

—

power

—

gauge

1,435 mm standard gauge

wheel arrangement

0-4-2

nicknames

Jubilees

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