The Vintage Motorcycles
Specialists in antique, classic, veteran and vintage motorcycles.
Specialists in antique, classic, veteran and vintage motorcycles.
Iconic, groundbreaking, and universally revered, the 1939 Harley-Davidson Model EL Knucklehead 1000cc represents one of the most important milestones in the evolution of American motorcycling. As the first year of production for the legendary Knucklehead engine, this model marks a transformative moment in Harley-Davidson's engineering history, introducing overhead-valve performance to the marque's big twin lineup.
At its heart lies the 1000cc V-twin OHV engine, instantly recognizable by its distinctive "knuckle-shaped" rocker covers. This advanced design delivered significantly improved power, efficiency, and thermal management compared to earlier side-valve engines, setting a new benchmark for performance and refinement in large-capacity motorcycles of the era.
The Model EL combines this engineering innovation with classic pre-war styling, featuring flowing lines, harmonious proportions, and a commanding road presence. Its visual identity is both elegant and purposeful, reflecting a machine designed not only for performance but also for long-distance comfort and enduring appeal.
This 1939 model is a rare example of Harley-Davidson vintage motorcycles and has been restored to a high collector standard, with meticulous attention paid to originality, period-correct detailing, and mechanical accuracy. The restoration presents the motorcycle in exceptional condition, preserving the defining characteristics of this first-generation Knucklehead while ensuring reliability and visual excellence.
As a first-year Knucklehead, the 1939 Model EL holds exceptional significance among collectors and enthusiasts alike. Combining rarity, historical importance, and unmistakable design, it represents a cornerstone acquisition for any serious Harley-Davidson collection.
In 1936, Harley-Davidson introduced the revolutionary overhead-valve V-twin engine that would become known as the "Knucklehead", fundamentally redefining the performance capabilities of American motorcycles. By 1939, the design had matured into the Model EL, offering riders a refined and powerful machine suited to both touring and spirited riding.
The Knucklehead engine represented a major technological leap forward, replacing the long-standing flathead (side-valve) configuration with an OHV layout that improved combustion efficiency and overall performance. This innovation positioned Harley-Davidson at the forefront of motorcycle engineering during the late 1930s.
Production of early Knucklehead models was relatively limited, and surviving examples - particularly those restored to correct specifications - are highly sought after. First-year and pre-war machines such as the 1939 Model EL are especially prized for their historical importance and purity of design.
Over the decades, the Knucklehead has become one of the most celebrated engines in motorcycling history, symbolizing both mechanical innovation and cultural identity. Its unmistakable appearance and performance legacy have secured its place as a defining icon of the Harley-Davidson brand.
Today, the 1939 Harley-Davidson Model EL Knucklehead 1000cc is regarded as a blue-chip collector motorcycle. It offers not only a rare opportunity to own a piece of engineering history, but also a machine that continues to captivate enthusiasts nearly a century after its introduction.
The Vintage Motorcycles offers a curated selection of authentic American vintage motorcycles representing the iconic era of V-twin engineering and long-distance touring culture. Featured manufacturers include Harley-Davidson, Indian Motorcycle, Henderson Motorcycle and other historic American brands.
Each motorcycle is prepared for international collectors and investors with secure logistics supported by a fully insured international shipping service. Explore available inventory in our vintage motorcycles for sale section.
Our American collection highlights torque-focused V-twin engines, long-distance touring design, and the cultural legacy of freedom and open-road riding.
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