English Electric Type 3, BR Class 37 D6776/37518
Photographed at Wansford, Nene Valley Railway, on 5 February 2009.
Class 37 locomotives were built in the late 1950s and early 1960s, the order split between English Electric's Vulcan Foundry at Newton-le-Willows, and Robert Stephenson and Hawthorns of Darlington. 309 locomotives were produced in total, originally numbered in the range D6700-D6999 and D6600-D6608.
This locomotive was successively numbered D6776, 37076 and finally 37518, and is seen here in Railfreight Metals livery.
Picture added on 22 February 2009