of 150 engines per day. Production continued after the war, for a total of 20,478 engines built between July 4, 1917, and 1919.

Although it is widely reported otherwise, a few Liberty engines did see action in France as power for the American version of the British Airco DH.4.

Lincoln production

As the United States entered World War I, the Cadillac division of General Motors was asked to produce the new Liberty