Stumbled upon a site that has locos for sale and noticed an Ontario Northland SD40 for sale; upon clicking on it I was surprised by a lot of photos of the inside of the loco! Well worth the click.
http://www.jlconsulting.ca/index.php/k2-locomotives/item/96-sd40-2-1736
http://www.jlconsulting.ca/index.php/k2-locomotives/item/96-sd40-2-1736