The F7's are NorfolkSouthern37's and can be found at
http://www.jointedrail.com/index.php?option=com_content&view=article&id=53&Itemid=68
The PA-1's are by Whitepass and can be found on the DLS
http://www.jointedrail.com/index.php?option=com_content&view=article&id=53&Itemid=68
The PA-1's are by Whitepass and can be found on the DLS