Nickel Plate Road #190 is a Morrison-Knudsen PA4 rebuilt from an ALCO PA

ALCO PA

ALCO PA refers to a family of A1A-A1A diesel locomotives built to haul passenger trains that were built in Schenectady, New York in the United States by a partnership of the American Locomotive Company and General Electric between June, 1946 and December, 1953...

 in 1975. Atchison, Topeka and Santa Fe Railway

Atchison, Topeka and Santa Fe Railway

The Atchison, Topeka and Santa Fe Railway , often abbreviated as Santa Fe, was one of the larger railroads in the United States. The company was first chartered in February 1859...

 #62L was a PA1, sold to the Delaware and Hudson Railway

Delaware and Hudson Railway

The Delaware and Hudson Railway is a railroad that operates in the northeastern United States. Since 1991 it has been a subsidiary of the Canadian Pacific Railway, although CPR has assumed all operations and the D&H does not maintain any locomotives or rolling stock.It was formerly an important...

 (D&H) in December 1967. The D&H renumbered it 18 and sent it to Morrison-Knudsen for rebuilding in 1975.

In 1978, this locomotive was sold to the Ferrocarriles Nacionales de México

Ferrocarriles Nacionales de México

Ferrocarriles Nacionales de México, was Mexico's state owned railroad company from 1938 to 1998, and prior to 1938 a major railroad controlled by the government that linked Mexico City to the major cities of Nuevo Laredo and Ciudad Juárez on the U.S. border...

. Doyle L. McCormack obtained the unit and brought it back the United States in 2000. Restoration began in 2002. McCormack has chosen to restore the locomotive as a Nickel Plate Road PA.