66093 is on the 'blue train' which is the colour of the wagons in less bright light. 
It carries Ford car parts between Spain & the nearby Ford Dagenham Works and has been a
regular Channel Tunnel freight for many years. Pictured at Stratford on October 30th 2003. 
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Photo from James & Martin's Picture Collection Copyright 'Jampics' m.hawkes7@ntlworld.com