SD39 No. 4007 works freight on the Santa Fe at Las Cruces, N.Mex., in 1970. Only 59 of this 12-cylinder, turbocharged model were built for the Santa Fe; Illinois Terminal; Minneapolis, Northfield & Southern; and Southern Pacific.
Chris Raught photo
Santa Fe oddity
By Angela Cotey | March 20, 2020
| Last updated on August 8, 2025
