I came across this locomotive in a "museum" about mining at As (Asch) near Genk in Belgium, there was no one there to ask about it and you were just left free to wander the disused sidings.
http://i.imgur.com/m7fTQii.jpg
http://i.imgur.com/yUFpwKh.jpg
http://i.imgur.com/EKhoOv8.jpg
I...