Built in 1911, by John H. Dialogue and Sons Company of Camden, New Jersey (hull #444) as the Greenwich for the Pennsylvania Railroad Company of Philadelphia, Pennsylvania.

In 1948, the tug was acquired by the McAllister Brothers Towing Company of New York, New York. Where she retained her name.

In 1950, the McAllister Brothers Towing Company renamed the tug as the Justine McAllister.

In 1968, she was acquired by an undisclosed Mexican interest. Her current, and or final disposition is unknown.

In 1950, the tug was completely rebuilt. She was single screw, rated at 600 horsepower.