St. Louis–San Francisco Railway (SLSF) 1526 at the Museum of the Great Plains in Lawton, OK, 4/18/16. 1526 was built in 1925 and donated to the Museum in 1961.

St. Louis–San Francisco Railway (SLSF) 1615 at Altus, OK, 4/18/16, was built in 1917.

St. Louis–San Francisco Railway (SLSF) No. 1519 at Enid, OK, 4/25/24, was built in 1925.  This locomotive was built for passenger service on the "Frisco", which served Missouri, Oklahoma, Texas, and east to Pensacola, FL.