Taff Vale Railway A class

what is it?

The Taff Vale Railway A class was a class of 0-6-2T steam tank locomotives designed by J. Cameron for mixed traffic work and introduced to the Taff Vale Railway (TVR) in 1914. The A class was an enlarged version of the TVR O4 class designed by Tom Hurry Riches in 1907. The A class was the last new class of locomotive to be introduced on the TVR, which had introduced its first 0-6-2Ts in 1885 (the M class); and, with a total of 58 built, was numerically the largest class of tank locomotive on the TVR. Previous classes of mixed-traffic 0-6-2T on the TVR (the M, M1, N, O, O1, O2, O3 and O4 classes) had used driving wheels of 4 ft 6 in (1.37 m) or 4 ft 6+1⁄2 in (1.384 m) diameter; but the A class used the same diameter as the TVR's passenger 0-6-2T (U and U1 classes), i.e.

who runs it

WRWestern Region of British RailwaysTaff Vale RailwayGreat Western Railway

base stats

• built 58made 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 112 years ago, in 1914.
• ⌛Served for 43 years (1914–1957).

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

spec sheet

built

1914–1924

in service from

1914

retired

1957

status

retired

number built

58

kind

Steam

traction

steam

origin

🇬🇧 United Kingdom

builders

R. & W. Hawthorn, Leslie and Company, Nasmyth, Wilson and Company, North British Locomotive Company, Vulcan Foundry

designer

John Cameron

operators

Western Region of British Railways, Taff Vale Railway, Great Western Railway

top speed

—

power

—

wheel arrangement

0-6-2T

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