| Union Pacific 4-6-6-4 class CSA-1 number 3902, likely pictured at Schenectady, New York. This locomotive was built by Alco-Schectady in September 1936 (c/n 68747) as a coal burner numbered 3902, converted by the UP to burn oil around April 1944 and renumbered to 3802, converted back to burn coal in 1949 and renumbered to 3702, converted back to burn oil in 1950 and renumbered back to 3802, retired in December 1958. |