The 1918 Harley-Davidson 18-J was Harley's most powerful motorcycle for the year. The matching sidecar gave its occupants far more luxury and weather protection than the motorcycle's rider enjoyed. Read about this 1918 Harley-Davidson motorcycle.
The 1915 Emblem Twin motorcycle's 76.6-cubic-inch engine was unusually large for its day. It was a bold offering from a company struggling to remain afloat amongst fierce competition and the ravages of an economic recession. Learn more about the 1915 Emblem Twin.