I saw this on NS What is it?

I saw this On NS Train 223
http://www.rrpicturearchives.net/showPicture.aspx?id=2600865
It said Clinic in a Can on the other side.

I also Use to see plain SD40's on NS Why did the get rid of them
http://www.rrpicturearchives.net/showPicture.aspx?id=2393269

Thanks for the Information

 

Check this out: Clinic In A Can

 

SD40s are old...they probably retired them

 

I did and this is an amazing idea. Every so often some one comes up with a really life changing idea.

 

I thought NS would upgrade them or rebuild them like they are today.