• 1936 Harley-Davidson EL Auction by Mecum

    21 days ago - By Ultimate MotorCycling

    Launched in the depths of the Great Depression, the Harley-Davidson knucklehead engine revolutionized The Motor Company's big V-twins. The flathead design that launched the brand 33 years earlier took a back seat to the pushrod-actuated overhead-valve architecture of the knucklehead-a refined version powers modern-day Harley-Davidson motorcycles 86 years later. The 61ci motor-just under a liter-pumped...
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