Harley-Davidson models. In the late summer of 1929, Harley-Davidson introduced its 45 cubic inches (737 cm³) flathead V-Twin to compete with the Indian 101 Scout and the Excelsior Super X. This was the "D" model, produced from 1929 to 1931. Riders of Indian motorcycles derisively referred to this model as the "three cylinder Harley" because the generator was upright and parallel to the front cylinder. The Great Depression began a few months after the introduction of their 45 cubic inch (737 cm³) model. Harley-Davidson's sales fell from 21,000 in 1929 to 3,703 in 1933. Despite this, Harley-Davidson unveiled a new lineup
Harley-Davidson Museum of the $75 million complex with a groundbreaking ceremony that included legendary Harley-Davidson dirt track motorcycle racer, Scott Parker, breaking ground by doing a burnout with a Harley-Davidson XL883R Sportster, instead of with the traditional golden shovel. The site includes parking spaces for 1,000 motorcycles and 500 cars. The Museum's facade also features a -tall, steel Harley-Davidson sign. The museum’s galleries permanent exhibitions, spread throughout two floors, in addition to temporary exhibits and the motor company’s archives. The complex also includes a restaurant, café, retail shop, and special event spaces. Also on display are historic Harley-Davidson items that tell the