ALCo built the 3,000hp C630 from 1965-1968. Conrail got 15 of the ALCo 251E V16-powered units from Penn Central and 12 from the Reading. Conrail assigned them the numbers 6753 to 6779.
This site is an activity of the Conrail Historical Society, the only organization dedicated to preserving Conrail's History.