R3721 GWR, Class 61xx ‘Large Prairie’, 2-6-2T, 6110 – Era 3
Built at Swindon Works under Lot No. 269 in August 1931, Diagram A10 Class 61xx ‘Large Prairie’ No. 6110 entered traffic at Slough, employed on London suburban services, even over London Underground metals. 6110 was the first of the class to be fitted with a cab shutter from new and carried tripcock gear from new for operation on the Underground tracks.