Allen [5] (United States) - AllCarIndex

Allen Motor Company was an American automobile manufacturer active from 1913 to 1922, with its operations based in Fostoria, Bucyrus, and Columbus, Ohio. The company was known for producing a range of vehicles, primarily featuring a well-regarded 4-cylinder engine designed in-house. This engine had a displacement of 3.1 liters and utilized a side-valve configuration.

During its operational years, Allen Motor Company offered a complete lineup of both open and closed body styles, catering to various consumer preferences. The peak of production occurred in 1920, when the company completed over 2,000 vehicles in a single year. Overall, it is estimated that the total production of Allen cars during the company's decade of existence ranged between 15,000 and 20,000 units.

Despite its relatively short lifespan, Allen Motor Company contributed to the early automotive landscape in the United States, showcasing the capabilities of American engineering in the early 20th century.