Taff Vale Railway O4 class
Encyclopedia
The Taff Vale Railway O4 class was a class of 0-6-2T steam tank locomotive
s designed by Tom Hurry Riches
and introduced to the Taff Vale Railway
in 1907. They were rebuilt with taper boilers and superheater
s by the Great Western Railway
(GWR) from 1924.
, Manning Wardle
and Beyer, Peacock and Company
. Their GWR numbers were in the range 200-420 but they were not consecutive and were intermingled with other classes.
Tank locomotive
A tank locomotive or tank engine is a steam locomotive that carries its water in one or more on-board water tanks, instead of pulling it behind it in a tender. It will most likely also have some kind of bunker to hold the fuel. There are several different types of tank locomotive dependent upon...
s designed by Tom Hurry Riches
Tom Hurry Riches
Tom Hurry Riches was a British engineer who became the Locomotive Superintendent of the Taff Vale Railway in October 1873, and held the post until his death. At the time of his appointment, he was the youngest locomotive superintendent in Britain....
and introduced to the Taff Vale Railway
Taff Vale Railway
The Taff Vale Railway is a railway in Glamorgan, South Wales, and is one of the oldest in Wales. It operated as an independent company from 1836 until 1922, when it became a constituent company of the Great Western Railway...
in 1907. They were rebuilt with taper boilers and superheater
Superheater
A superheater is a device used to convert saturated steam or wet steam into dry steam used for power generation or processes. There are three types of superheaters namely: radiant, convection, and separately fired...
s by the Great Western Railway
Great Western Railway
The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...
(GWR) from 1924.
Builders and numbering
The locomotives were built in several batches by Vulcan FoundryVulcan Foundry
Vulcan Foundry was a British locomotive builder sited at Newton-le-Willows, Lancashire .-History:It was originally opened in 1832 as Charles Tayleur and Company to produce girders for bridges, switches and crossings, and other ironwork following the opening of the Liverpool and Manchester Railway...
, Manning Wardle
Manning Wardle
Manning Wardle was a steam locomotive manufacturer based in Hunslet, Leeds, West Yorkshire, England.- Precursor companies :The city of Leeds was one of the earliest centres of locomotive building; Matthew Murray built the first commercially successful steam locomotive, Salamanca, in Holbeck, Leeds,...
and Beyer, Peacock and Company
Beyer, Peacock and Company
Beyer, Peacock and Company was an English railway Locomotive manufacturer with a factory in Gorton, Manchester. Founded by Charles Beyer and Richard Peacock, it traded from 1854 until 1966...
. Their GWR numbers were in the range 200-420 but they were not consecutive and were intermingled with other classes.
| Year | Quantity | Manufacturer | Serial Number | TVR Numbers | GWR Numbers | Notes |
|---|---|---|---|---|---|---|
| 1907 | 7 | Manning Wardle Manning Wardle Manning Wardle was a steam locomotive manufacturer based in Hunslet, Leeds, West Yorkshire, England.- Precursor companies :The city of Leeds was one of the earliest centres of locomotive building; Matthew Murray built the first commercially successful steam locomotive, Salamanca, in Holbeck, Leeds,... |
1698–1704 | 38, 43, 59, 67–69, 94 | 285, 287, 293–295, 420, 296 | 420 renumbered 220 sometime between 1946 and 1950 |
| 1908 | 7 | Beyer, Peacock & Co. | 5095–5101 | 39, 95, 97, 98, 101, 102, 104 | 286, 297–302 | 300 renumbered 200 sometime between 1946 and 1950 |
| 1908 | 7 | Beyer, Peacock & Co. | 5127–5133 | 6, 9, 48, 56, 58, 105, 111 | 280, 282, 289, 291, 292, 236, 314 | |
| 1910 | 10 | Beyer, Peacock & Co. | 5384–5393 | 13, 49, 112–116, 118, 119, 121 | 409, 290, 315, 317–321, 324, 333 | 315, 317, 321, 324, 333, 409 renumbered 207–211, 215–218 sometime between 1946 and 1950 |
| 1910 | 10 | Vulcan Foundry Vulcan Foundry Vulcan Foundry was a British locomotive builder sited at Newton-le-Willows, Lancashire .-History:It was originally opened in 1832 as Charles Tayleur and Company to produce girders for bridges, switches and crossings, and other ironwork following the opening of the Liverpool and Manchester Railway... |
2529–2538 | 1, 28, 8, 17, 35, 36, 46, 108–110 | 278, 279, 281, 283, 284, 414, 288, 310, 311, 313 | 310, 311, 313, 414 renumbered 203–205, 219 sometime between 1946 and 1950 |