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

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1905 Harley-Davidson

1920 Harley-Davidson 20-J

1915 Harley-Davidson 11F

1947 Harley-Davidson Servi-Car

1949 Harley-Davidson FL Hydra-Glide

1942 Harley-Davidson WLA and XA

1951 Harley-Davidson Police Special

1952 Harley-Davidson FL Hydra-Glide

1955 Harley-Davidson FL Hydra-Glide

1963 Harley-Davidson FL Duo-Glide

1967 Harley-Davidson XLH Sportster

1964 Harley-Davidson XLCH Sportster

1971 Harley-Davidson XLH Sportster

1973 Harley-Davidson FL Electra-Glide

1975 Harley-Davidson XL-1000 and XR-750

1980 Harley-Davidson FXWG Wide Glide

1984 Harley-Davidson FXRT

1986 Harley-Davidson XLH 1100

1999 Harley-Davidson Road King Classic

1990 Harley-Davidson FLSTF Fat Boy

1992 Harley-Davidson FXDB Daytona

2002 Harley-Davidson FXDWG3

2002 Harley-Davidson FXSTB Night Train

2002 Harley-Davidson VRSCA V-Rod

Hog Wild: Harley-Davidson Logos Through the Years

Harley-Davidson History

How Harley-Davidson Works

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

The 1934 Harley - Davidson VLD motorcycle helped Harley survive the Great Depression . The Great Depression kill off all the major U.S. motorcycle maker except for Harley - Davidson and Indian . hear about the Greco-Roman 1934 Harley - Davidson VLD .

The 1936 Harley - Davidson EL motorcycle stick in the famed Knucklehead engine to the Harley argumentation . It became one of the most popular Harley - Davidson example of all time . See movie and get word more about the Harley EL .

1905 Harley-Davidson

The 1938 Harley - Davidson UL motorcycle sport a Flathead Little Phoebe - twin instead of the new Knucklehead . It was a Sport Solo model with new color and striping available . See pictures and learn about the Harley UL .

1920 Harley-Davidson 20-J

1915 Harley-Davidson 11F

1947 Harley-Davidson Servi-Car

1949 Harley-Davidson FL Hydra-Glide

1942 Harley-Davidson WLA and XA

1951 Harley-Davidson Police Special

1952 Harley-Davidson FL Hydra-Glide

1955 Harley-Davidson FL Hydra-Glide

1963 Harley-Davidson FL Duo-Glide

1967 Harley-Davidson XLH Sportster

1964 Harley-Davidson XLCH Sportster

1971 Harley-Davidson XLH Sportster

1973 Harley-Davidson FL Electra-Glide

1975 Harley-Davidson XL-1000 and XR-750

1980 Harley-Davidson FXWG Wide Glide

1984 Harley-Davidson FXRT

1986 Harley-Davidson XLH 1100

1999 Harley-Davidson Road King Classic

1990 Harley-Davidson FLSTF Fat Boy

1992 Harley-Davidson FXDB Daytona

2002 Harley-Davidson FXDWG3

2002 Harley-Davidson FXSTB Night Train

2002 Harley-Davidson VRSCA V-Rod

Harley-Davidson History

How Harley-Davidson Works

1931 Harley-Davidson Model D

1934 Harley-Davidson VLD

1936 Harley-Davidson EL

1938 Harley-Davidson UL