San Joaquin Daylight near Tehachapi By Angela Cotey | October 19, 2015 | Last updated on January 6, 2021 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates A Daylight 4-8-4 and a 4-8-2 doublehead the Los Angeles-bound San Joaquin Daylight upgrade at Allard, Calif., a dozen miles north of famous Tehachapi Loop, in May 1953. W. E. Malloy Jr. photo