GWR 633 Class
The GWR 633 Class were s designed by George Armstrong and built at the Wolverhampton railway works of the Great Western Railway between November 1871 and April 1872. These were always southern division locomotives but over the years some were fitted to work the metropolitan lines and played a large role in the transportation of goods from Acton to Smithfield. Unusually, they had side (not saddle) tanks, and inside frames, with wheels of in diameter and a wheelbase of . The weight was 34 tons 12 cwt. There were twelve locomotives, numbered 633–644.Smith, Martin, ''Steam on the Underground'', Ian Allan Publishing 1994, p.22, Modifications Nos. 643 and 644 were fitted with condensing apparatus when built, for working on the Metropolitan Railway Widened Lines and this was added to some others in the 1890s. These were the first size-coupled engines to be accepted for the widened lines. From 1887 they were reboilered with Dean pattern boilers and the wheels were enlarged by b ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]