Burlington Northern
Road Number 737
These powered locomotives, an A-unit and a B-unit, are both painted green and black with white logos and lettering. They were built by EMD, Electro-Motive Diesel owned by Caterpillar through its subsidiary Progress Rail Services Corporation. The A-unit was built in February 1950 and the B-unit 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.