ALCO PA [SEP] manufacturer
ALCO PA
The ALCO PA was a family of A1A-A1A diesel locomotives built to haul passenger trains. The locomotives were built in Schenectady, New York, in the United States by a partnership of the American Locomotive Company (ALCO) and General Electric (GE) between June 1946 and December 1953. They were of a cab unit design, and both cab-equipped lead A unit PA and cabless booster B unit PB models were built.
Background and development.
The PAs, as well as their cousins
Nickel Plate Road 190
Nickel Plate Road #190 is a preserved ALCO PA locomotive, first built in 1948 as an ALCO PA-1, and rebuilt in 1975 and classed as a Morrison-Knudsen PA-4 diesel locomotive. It ran for 19 years as Atchison, Topeka and Santa Fe Railway 62L, and was sold to the Delaware and Hudson Railway (D&H) in December 1967 along with three other retired PA-1s. 
NKP 190 is one of only 6 surviving PAs. As of 2012, it was one of only two ALCO