|Caught by the roundhouse and turntable at North Maine Juntion in Heermon, ME, this mighty 4-8-2 Mountain type loco was built by Alco-Schenectady in 1929. These relatively small Mountain type locos with small drivers were for low-speed freight hauling. Specs - class M, 62" drivers, impressive 240 psi boiler pressure, 22.5x30" cylinders, engine weight of 317,490 lb, tractive effort of 49,972 lb. The entire M class of 10 was retired between 1950-53 with none preserved. Photo was obtained from the Henry O. Preble collection.