Builder photo of 6,000 horsepower SP&S ALCO FA-2 6,000 diesel locomotive set Number 868 at Schenectady, New York in December 1950. Unit to the left is 868 A-2 followed by FB-2 868 B-2, FB-2 868 B-1, and FA-2 868 A-1. Photo by the American Locomotive Company.