CLB 75 Tank

The CLB 75 Tank was a U.S.-produced, prototype armoured fighting vehicle built by the C.L.Best Tractor Company of San Leandro a rival of the Holt Manufacturing Company (now Caterpillar Inc.). Developed sometime between late 1916 and early 1917.

The tank was widely photographed in July 4, 1917 parade in San Francisco. Only a few models were used one of which had a semi-cylindrical hull with a turret and another was similar but the hull had flat surfaces. The tanks trained with the California National Guard.