Taff Vale Railway O1 class

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Taff Vale Railway O1 class
Taff Vale Railway locomotive no 28 at Caerphilly 1983.jpg
No 28 when first restored to working order in 1983 by the Caerphilly Railway Society
Type and origin
Power type Steam
Builder Kitson & Co. (8),
TVR Cardiff West (6)
Serial number Kitson 3572–3579
Build date 1894 (8), 1897 (6)
Total produced 14
Configuration 0-6-2T
UIC class C1 n2t
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Driver dia. 4 ft 6 12 in (1.384 m)
Loco weight 56 long tons 8 cwt (126,300 lb or 57.3 t)
(63.2 short tons)
Fuel type Coal
Boiler pressure 150 psi (1.03 MPa)
Cylinders Two
Cylinder size 17.5 in × 26 in (444 mm × 660 mm)
Valve gear Stephenson
Performance figures
Tractive effort 18,620 lbf (82.83 kN)
Operators TVR » GWR
Withdrawn 1925–1931
Preserved One: No.28
Disposition One preserved, remainder scrapped

The Taff Vale Railway O1 class was a class of 0-6-2T steam tank locomotives designed by Tom Hurry Riches and introduced to the Taff Vale Railway in 1894.


Year Quantity Builder Serial Numbers TVR Numbers GWR numbers Notes
1894 8 Kitson & Co. 3572–3579 27, 29, 37, 41, 65, 70, 73, 78 449, 451, 454, 455, 476, 477, 479, 480
1897 6 TVR Cardiff West Works 28, 60–64 450, 471–475

Withdrawal and disposal[edit]

All were withdrawn from traffic between 1925 and 1931.

Of the 0-6-2T mixed traffic class, only one survives today, No.28. It is the last Welsh-build standard gauge locomotive. No.28 began its TVR career working the mineral and coal trains from collieries to port. By 1922 when the Great Western Railway had taken control, it had run 483,189 miles, and by 1923 was given a major overhaul, receiving a new boiler from the West Yard Works.

Absorbed into the GWR fleet, No.28 was renumbered No.450, and given a GWR-style cover over its safety value, its external design was unchanged. It was withdrawn from service on 30 October 1926, but was found to be in good mechanical condition and sold to Government in 1927, for use on the Woolmer Military Instructional Railway, later called the Longmoor Military Railway. The engine was named "Gordon", after the General of Khartoum, and was kept in immaculate condition in Hampshire, performing relatively light duties compared to its TVR working days.

The Second World War broke out and No.28 was renumbered W.D 205, then W.D 70205, before becoming surplus again and put into storage. It was then sold in 1947 to the National Coal Board and used at their Hetton colliery railway. It was renumbered No.67, though still retaining the "Gordon" nameplates as it engaged in heavy work on the coalfields again. It received a major overhaul in 1955, with minor alterations to its external design, but by 1959 it needed boiler repairs and was withdrawn from service in 1960.

Following requests to NCB that it should be saved, it was successfully presented to British Railways for preservation in 1962. It is now part of the National Collection. It was originally intended that the last Welsh-built standard gauge locomotive be restored to original TVR condition at the Caerphilly Locomotive Works, however the site was given notice of closure and No.28 was the last to leave for storage in Swindon and London.

In 1966, it was returned to Caerphilly as the National Museum of Wales had been given custodianship of the locomotive. During the late sixties/early seventies the engine was restored to working order by the Caerphilly Railway Society in 1983 and ran for about 7 years until taken out of service due to routine boiler examination. Caerphilly Railway Society was extensively burgled and vandalized into oblivion. The locomotive then spent over a decade on loan to the Dean Forest Railway who dismantled it for a more thorough restoration, but these were unsuccessful due to the discovery of cracked springs.

Recently the NRM has moved the locomotive to the Llangollen Railway where it is currently loaned to and being rebuilt. [1] As of 2013, the cosmetic restoration of TVR 'O1' No. 28, is set to go ahead thanks to a unique three-way partnership between the National Railway Museum, the Llangollen Railway where it is currently on loan to, and the Gwili Railway. [2] The aim is to return the loco to showroom condition and display it as a proper train exhibit with Taff Vale Railway Brake Third coach No. 220. [3]


  • Casserley, H. C. & Johnston, Stuart W. (1966). Locomotives at the Grouping 4: Great Western Railway. Shepperton, Middlesex: Ian Allan Limited. p. 79. 
  • Jones, Dr Stuart Owen (1990). The Last Survivor, Locomotive No. 28 of the Taff Vale Railway. Cardiff: National Museum of Wales. ISBN 0-7200-0341-5. 
  • The Locomotives of the Great Western Railway, Part Ten, Absorbed Engines 1922-1947. Railway Correspondence and Travel Society. 1966.