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 CVO the ordering dealer. 2007 CVO models introduced the 110 inch Twin Cam motor in all models (the Softail used the 110B counterbalanced version). In 2009, Harley-Davidson dropped the "Screamin' Eagle" name from its CVO models and began to refer to them as simply "CVO." 2018 CVO models introduced the motor in all models Although CVO models carry a higher manufacturer's suggested retail price than the models from which they are derived and than the competing touring and cruiser motorcycles with which they compete, reviewers generally note that the price is a good value for the customizations they buy: Harley-Davidson CVO