In 1938 the Sherwin was lengthened to 540-feet in length. In 1958 she was renamed Saturn to free up the name John Sherwin for another vessel built for the Interlake fleet. In 1959 the Saturn was sold to the Kinsman Transit Company of Cleveland, Ohio and renamed George M. Steinbrenner. In 1964 the fleet was renamed Kinsman Marine Transit Company. In 1969 the Steinbrenner was renamed Kinsman Venture.
