Thanks Pieter!
Sadly I did not complete the engine compartment of the loco before I moved onto my next project:
http://www.eurobricks.com/forum/index.php?showtopic=31063
But when I do finish it, I am sure it will look much like 7745.
Quoting Pieter O.
Very nice design! Wonder how the engine looks like, behind the little black doors. Is it 7745-ish?
grtzz Pieter (from Holland)