Well this is fun, no other details than the picture is from 1927 and that the steam digger was used in the construction of the Sutton Bypass Road by Surrey County Council. Obviously I think we can now see where the idea for the character and name ca 

I'm selling my complete Skarloey coach rake + Cora! All custom painted by myself, the majority being built from kits - I hope they can find a good home! Take a look on eBay:  https://foxdeo.com/vQ8e.tnk