| This 4-6-2 Pacific (configuration actually named after Missouri Pacific) was built by Alco-Brooks in July 1902 as St Louis, Iron Mountain and Southern #1620 but renumbered in 1905 to #6514 when locos from the St. Louis Iron Mountain & Southern were merged with the MP. The loco lasted unti October of 1947 when it was retired at Sedalia, MO. Specs - class P-69, 69" drivers, 190 psi boiler pressure, 20x26" cylinders, engine weight of 185,00 lb, tractive effort of 25,623 lb. Eventually superheated in 1916. Some members of the class lasted until the end of steam in 1953. Unknown photographer |