Front brakes are introduced on Big Twins. The great depression cripples Harley-Davidson and the motorcycle industry in general. It would continue into the seventies. Harley builds radios for its police motorcycles. The Buddy Seat, one of Harley's most popular items debuted in 1932.
Olive green is dropped as the standard color.
Unit sales fall below 4000. 1934,36- Harley adds vivid graphics to their bikes. Sales exceed 10,000 units, thanks to an improved economy and the new look. Tank mounted instrument panels are introduced and they become a long-time Harley styling tradition. 1937- Cofounder, William Davidson dies just two days after Harley workers vote to unionize their workforce.