The Mystery of the Maxwell Crawler Tractor

Solving the mystery of a Maxwell crawler tractor from World War I

A Holt 5-ton on test in Washington, D.C., in 1918. Secretary of War Newton Baker is shown just arriving in his Model T Ford town car to observe the test.
A Holt 5-ton on test in Washington, D.C., in 1918. Secretary of War Newton Baker is shown just arriving in his Model T Ford town car to observe the test.
Photo courtesy of U.S. Library of Congress