Caption: 6516 and 4266 sit outside the roundhouse. 6516 is an EMD FP9 built in 1957 for Canadian National, and has been sold to Pan Am to power its business train (sister unit 6505 had already been shipped out by this time). 4266 is an EMD F7A built in 1950 for the Boston & Maine and is leased from the 470 Railroad Club. (May 30, 2010)