0-4-2T Class 517 GWR Profile and Models

The 517 Class were small 0-4-2T tank engines designed by George Armstrong for local passenger work on the Great Western Railway. They were built at Wolverhampton Works and were outshopped between 1868 and 1885. The class was far from uniform and encompassed three different wheelbases, saddle and side tanks, and various boilers to name just a few variations. In the 19th century the 517s were principally Northern Division engines, and when new worked the Birmingham and Wolverhampton suburban traffic. Under Churchward the situation changed: about half of the class was fitted for autotrain working, and these engines were regularly maintained and moved around the system where needed; while the other, unconverted engines were demoted and became little more than shunters. Nevertheless as late as the 1920s the class was found in almost all parts of the GWR system. Most of the class ran between a million and a million and a half miles (2,400,000 km), No. 1163 holding the record at 1,652,661. None of the 517s were preserved, the last survivor No. 848 being scrapped in 1945 when aged 70.

(Information provided via Wikipedia)

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