BR Britannia class Pacific no.70013 Oliver Cromwell at Loughborough, 5 May 2008. Oliver Cromwell has been restored to working order at Loughborough over the last 4 years. It is famous for being the last working 4-6-2 on British Railways and was one of the locos which hauled BR’s last steam train, the “15 Guinea Special” on August 11 1968.