Taking things easy on the rear of the Serco Test Train is  Large Logo Tractor 37425.
The distinct sound of wheel flats though suggests  a visit to the wheel lathe may well be required to keep 'Pride of 
the Valleys' in traffic. The place is Charlton S.London and the date January 23rd 2006.
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Photo from James & Martin's Picture Collection Copyright 'Jampics' m.hawkes7@ntlworld.com 
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British and Foreign Railway Pictures <A HREF="http://jampics.fotopic.net/"> Jampics Fotopic.</a>