SS President Coolidge motors ranged from a tenth horsepower to the 13,250 horsepower main motors. The ship had refrigerated cargo space. "President Coolidge" was initially designed for 350 first class, 150 "special" or intermediate class passengers with space for 1,260 passengers of all classes and a crew of 300. The ship was launched on 21 February 1931 after Mrs. Calvin C. Coolidge broke a bottle of water that came from a brook on the Coolidge farm in Vermont on the bow. "President Hoover" and "President Coolidge" ran between San Francisco and Manila via Kobe and Shanghai, and some round the World voyages that
John Calvin Coolidge Sr. of the Vermont militia, and held the law enforcement posts of town constable and county deputy sheriff. Considered a prominent local leader, he served in numerous Plymouth town offices, and was elected to terms in both the Vermont House of Representatives and Vermont State Senate. John C. Coolidge remained active in his farming and business interests until his death in Plymouth in 1926; he was buried in Plymouth Notch at a village cemetery where several generations of his family are also buried. Coolidge was born in Plymouth, Vermont on March 31, 1845, the son of Calvin Galusha Coolidge and Sarah