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 Confederate Edition in relation to the brand. Harley-Davidson later changed this decision and announced that local dealerships could decide for themselves whether to use the emblems. Gene Perryman, a Harley-Davidson archivist, described the original model unit numbers that numbered the Confederate Editions (and which had been recently published in "Old Bike Journal", Feb '95). The issue also described the rare promotional material for the Harley-Davidson Sportster Confederate Edition featuring a model in a cowboy hat with a Confederate flag. Because of the low production numbers it may be the most collectible Harley-Davidson models. Production of the Confederate Edition was as follows: Harley-Davidson