Built in 1912, by the Bethlehem Steel Company of Port Richmond, New York (hull #576) as the Pan American for the Texas Company Incorporated of Houston, Texas.

In 1924, the tug was acquired by the Moran Towing Company of New York, New York. Where she was renamed as the Susan A. Moran.

In 1940, she was acquired by the Columbian Government. Where the tug was renamed as the Tomas Suri Salcedo.

In 1943, the tug was wrecked. She was a single screw tug, rated 1,200 horsepower.