40024 passes Marshfield on 28 April 1984 with the Severn Valley Railways 1Z39 06:45 Leeds to Carmarthen 'South Wales Whistler' railtour. The highlight of the tour was of course the use of the 40 from Yorkshire to Swansea, but 37267 was also employed for the last few miles to Carmarthen, and in the evening 31160 was used on the final leg from Doncaster to Leeds. Note that 40024 is carrying a painted representation of the original Lucania nameplate. The bolts for the original crest can also just be seen above the name. The loco had only another few weeks left in traffic.