1,997 TAR artillery tractors were in the service of the French Army at the end of the First World War, and they continued to serve into the 1930s. A number also were also supplied to the American Expeditionary Forces during the First World War.

From October 1915 tests were carried out on Latil TARs equipped with four Delahaye track units in place of their wheels. Initial tests revealed the vehicle could tow 38 t on a flat surface, or 21 t