Auto | Motorcycles | Harley-Davidson Motorcycles of the 1930s

The 1930s Harley-Davidson Motorcycles Channel features some of the earliest models around. Check out vintage Harleys at HowStuffWorks.

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1931 Harley-Davidson Model D

The 1931 Harley-Davidson Model D switched from F-head to flathead (side valve) V-twins. First was a new 45ci model to compete with the Indian Scout. The next year the 61ci and 74ci Big Twins were changed to a flathead design. Read about the Model D.


1931 Harley-Davidson Model D

1931 Harley-Davidson Model D

The 1931 Harley-Davidson Model D motorcycle featured a new flathead engine. See pictures and learn about this classic Harley-Davidson motorcycle. See more »

1934 Harley-Davidson VLD

1934 Harley-Davidson VLD

The 1934 Harley-Davidson VLD motorcycle helped Harley survive the Great Depression. See pictures and learn about the classic 1934 Harley-Davidson VLD. See more »

1936 Harley-Davidson EL

1936 Harley-Davidson EL

The 1936 Harley-Davidson EL motorcycle introduced the famous Knucklehead engine to the Harley line. See pictures and learn more about the Harley EL. See more »

1938 Harley-Davidson UL

1938 Harley-Davidson UL

The 1938 Harley-Davidson UL motorcycle featured a Flathead V-twin instead of the newer Knucklehead. See pictures and learn about the Harley UL. See more »