The GWR 2-6-2T was the mainstay of the Great Western Railway's suburban passenger services. Developed from one of George Jackson Churchward's pioneer designs – the experimental No 99 – a number of derivative classes were built over the period from 1906 to 1950. The development was gradual, but a little convoluted, and is summarised in this article.
Read more about GWR 2-6-2T: 3100 Class, 3150 Class, 5100 and 5101 Classes, 6100 Class, Preservation, Prairie