1002 was a class A1 "Stirling Single" 4-2-2 steam locomotive built by Doncaster Works for the Great Northern Railway in 1893. The engine and its class was built for express trains but were soon replaced by the C1s "small boiler".
Its unknown when the engine was withdrawn but it was scrapped before the merger. But its tender was last used by 3452, a Q2. Today the tender is used behind No. 1 at the National Railway Museum.