The Harley-Davidson Strap Tank is an exceptionally rare and significant model, considered the oldest surviving example of its kind.

In 1901, William S. Harley designed a 116cc single-cylinder engine, which, after further development with Arthur Davidson, resulted in a more powerful 405cc version in 1904. The Strap Tank, named for the steel bands suspending the fuel and oil tanks, was produced from 1905 onwards and gained a reputation for durability.

This particular 1908 Strap Tank, discovered in a Wisconsin barn in 1941 and meticulously restored, is a highly sought-after piece of Harley-Davidson history, featuring original components and representing the company’s early craftsmanship and design philosophy.