The Legend Of Harley

Harley Davidson JDCA Board Track Racer 1923
This model the first Harley Davidson twin with 'unit' engine construction.

Harley Davidson Model JDH 1929
The model JDH had a 1200 cc (74 cubic-inch) version.

Harley Davidson Model R Flathead 1936
The flathead design remained popular throughout to 1940s, and the model WLA Flathead was used by the US Military during WWII, labeling it as the "bike that won the war".

Harley Davidson EL 1000 Knucklehead 1937
The first year for the "model E", which was nicknamed as the "knucklehead"due to the knuckle shape of its engine valve covers.

Harley Davidson EL 1000 Knucklehead 1940

Harley Davidson EL 1000 Knucklehead 1947

Harley Davidson Model WR Flathead 1948

Harley Davidson XL Sportster 883 1957
The XLC Sportster had a small "peanut style" gas tank, narrow fenders and open straight pipes.

Harley Davidson KR Flat Tracker 1959
The KR would be a dominant force in dirt track and road-racing competition for almost 17 years.

Harley Davidson KRTT 750 Racer
The KRTT was capable of a 150 mph top speed, with around 50 bhp.