British Rail Class 03

The British Rail Class 03 locomotive is, together with Class 04, one of BR's most successful smaller 0-6-0 diesel-mechanical shunters.  There are 230 members of the class and it was built by British Railways' Swindon and Doncaster works in 1957-1962. They are numbered D2000-D2199 and D2370-D2399 (later 03004 to 03399). D2370 and D2371 were used as departmental locomotives and originally numbered 91 and 92 respectively.

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