San Diego CA California Railroad Southwest #7485 Naval Air Station 1978 Postcard

The image is a postcard featuring the U.S. Army locomotive \#7485, which is part of the collection at the Pacific Southwest Railway Museum.

The locomotive is a 45-ton industrial switcher built by General Electric in June 1941.
It was the first diesel engine acquired by the museum and is nicknamed "The Ant" due to its small size and constant activity.
It is powered by two Cummins HBI-600 diesel engines, producing a total of 300 horsepower.

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