Class 66 and 67 diesel locos 66200 and 67019, both in EWS livery, stand next to each other at the Rail200 Railfest at the National Railway Museum, York.
Although there were steps alongside each one the cabs (unusually for this event) were not open when I saw them (15:40 01/06/2004).

Photo by Chris McKenna #cmckenna@sucs.org