This powered A-unit is painted green and black with white logos and lettering. The A-unit was built in February 1950 and the matching B-unit, (489-98002250) was built in May 1951. They were built for Northern Pacific and originally numbered 6010A and 6015B, respectively. In 1970 Northern Pacific, Chicago, Burlington & Quincy, and other lines were merged to form the Burlington Northern.