Hi I see on Don Ross's site the following: "2439, C425, Class AF-25 was built in December 1965, #3433-03, as PRR 2439, Class AF-25. It became PC 2439, Class AF-25, in 1968 and Conrail 2439, Class C-425, in April 1976. It was renumbered 5073 in October 1979 and rebuilt by General Electric in Feb...