Auto | Motorcycles | Harley-Davidson Motorcycles of the 1900s and 1920s

The 1900-1920s Harley-Davidson Motorcycles Channel features some of the earliest models around. Check out vintage Harleys at HowStuffWorks.

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1912 Harley-Davidson X8A

The 1912 Harley-Davidson X8A featured a 30-cubic-inch single-cylinder, a powerful engine for its time. By 1912, public demand for more power was answered with the X8A, which produced 4.3 horsepower. See pictures and learn about the Harley X8A.


1905 Harley-Davidson

1905 Harley-Davidson

The 1905 Harley-Davidson motorcycle had to be pedaled like a bicycle to get started. See pictures and learn about this Harley-Davidson motorcycle. See more »

1909 Harley-Davidson V-Twin

1909 Harley-Davidson V-Twin

The 1909 Harley-Davidson V-twin motorcycle was Harley's first production V-twin. See pictures and learn about this Harley-Davidson motorcycle. See more »

1918 Harley-Davidson 18-J

1918 Harley-Davidson 18-J

The 1918 Harley-Davidson 18-J motorcycle came with an accompanying sidecar. See pictures and learn about this classic Harley-Davidson motorcycle. See more »

1920 Harley-Davidson 20-J

1920 Harley-Davidson 20-J

The 1920 Harley-Davidson 20-J was part of the Harley racing team that dominated in the 1920s. See pictures and learn about this Harley-Davidson bike. See more »

1912 Harley-Davidson X8A

1912 Harley-Davidson X8A

The 1912 Harley-Davidson X8A featured a 30-cubic-inch single-cylinder, a powerful engine for its time. See pictures and learn about the Harley X8A. See more »

1915 Harley-Davidson 11F

1915 Harley-Davidson 11F

The 1915 Harley-Davidson 11F motorcycle had an advanced-for-its day 11-horse F-head V-twin engine. See pictures and a profile of this historic Harley. See more »

1916 Harley-Davidson J

1916 Harley-Davidson J

The 1916 Harley-Davidson J motorcycle was a leap forward in style with a longer, lower appearance. See pictures and learn about the 1916 Harley J. See more »

1925 Harley-Davidson JD

1925 Harley-Davidson JD

The 1925 Harley-Davidson JD motorcycle introduced Harley's familiar tear-drop-shaped fuel tank. See pictures and learn more about the Harley JD. See more »

1927 Harley-Davidson BA

1927 Harley-Davidson BA

The 1927 Harley-Davidson BA was a single-cylinder motorcycle was economical, but sold poorly. Learn why in pictures and a profile of the Harley BA. See more »