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Simplo was an American high-wheeler automobile brand manufactured by the Cook Motor Vehicle Company in St. Louis from 1908 to 1909.

Last updated August 27, 2026

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Overview

Simplo was a short-lived American automobile marque produced by the Cook Motor Vehicle Company of St. Louis, Missouri. It belonged to the early high-wheeler segment, a class of cars that retained the tall stance, large wheels, and relatively simple mechanical layout associated with horse-drawn vehicles and early light motor vehicles. The brand was introduced in 1908, when the American automobile market was still fragmented among numerous small manufacturers and local marques. Cook promoted the Simplo as “the biggest automobile value in America,” positioning it around practical utility and accessible pricing rather than luxury or advanced engineering. The car was offered in multiple configurations. Buyers could choose between air-cooled and water-cooled two-cylinder engines, while both solid and pneumatic tires were available. Its mechanical specification included a friction transmission, double chain drive, and, on the runabout, right-hand wheel steering. These features reflected the engineering conventions of the period, before standardized automotive layouts had become dominant. The initial Simplo range centered on a runabout. In 1909, Cook expanded the offering with roadster and surrey body styles, attempting to broaden the marque’s appeal beyond its original small-car configuration. The company’s product strategy combined a limited range of body choices with alternative engine-cooling and tire arrangements, allowing it to present the automobile as adaptable to different customer preferences and road conditions. Simplo’s production history was brief. After approximately a year of attempting to manufacture and market the automobile, Cook Motor Vehicle Company abandoned vehicle production and shifted toward operating as a multi-marque automobile dealership. This strategic change ended the Simplo’s manufacturing life after the 1909 model year. There is no indication in the cited reference material that the marque developed into a continuing automobile business, was acquired by another manufacturer, or achieved substantial production scale. The Simplo is therefore best understood as an early regional American automobile marque rather than as a modern continuing brand. Its historical importance lies in illustrating the competitive environment of the pre-consolidation automobile industry, in which small companies experimented with compact high-wheelers, simple drivetrains, and multiple body formats before many manufacturers either disappeared, consolidated, or moved into distribution and dealership activities.

History

The Simplo was manufactured by the Cook Motor Vehicle Company in St. Louis, Missouri, during 1908 and 1909. It emerged during the formative period of the American automobile industry, when many small manufacturers were trying to establish viable products before the market settled around more standardized vehicle designs and larger-scale production systems. Cook presented the Simplo as a high-wheeler and emphasized value in its advertising. The marque’s positioning reflected the practical priorities of early automobile buyers: mechanical simplicity, usable body configurations, and the ability to select equipment suited to local driving conditions. The vehicle was available with either an air-cooled or water-cooled two-cylinder engine. It could also be equipped with solid or pneumatic tires, giving customers a choice between alternative approaches to durability, comfort, and maintenance. The Simplo used a friction transmission and double chain drive, both characteristic of early automotive engineering. The runabout used right-hand wheel steering, another feature found on some vehicles of the era before steering controls and other vehicle conventions became more uniform. These specifications placed the Simplo within the transitional technology of the high-wheeler market rather than among later automobiles built around the now-familiar low-slung chassis and enclosed mechanical systems. The first version of the vehicle was a runabout. During 1909, Cook added roadster and surrey models. The expansion suggested an effort to make the marque more commercially flexible by offering different open-car formats for personal transport, recreational use, and carrying additional passengers. Despite this broader range, the company’s automobile manufacturing operation did not continue for long. After about a year of trying to produce and sell automobiles, the Cook Motor Vehicle Company decided to become a multi-marque automobile dealership. That decision brought the Simplo’s manufacturing period to an end after 1909. The surviving historical account does not identify a successor manufacturer, a continuation of the name under new ownership, or a later revival. Simplo consequently remains a brief example of the many early American marques that entered automobile production but did not survive the industry’s transition toward larger-scale manufacturing and dealership specialization.

  • 1909

    Roadster and surrey models added

    [1]

    Cook expanded the Simplo range beyond the original runabout by introducing roadster and surrey body styles.

  • 1909

    Cook exits automobile manufacturing

    [1]

    After roughly a year of attempting to manufacture automobiles, Cook Motor Vehicle Company chose to operate as a multi-marque automobile dealership, ending Simplo production.

  • 1908

    Simplo automobile introduced

    [1]

    The Cook Motor Vehicle Company of St. Louis began manufacturing the Simplo, an American high-wheeler offered with two-cylinder power and several equipment configurations.

Products and positioning

An early American value-oriented high-wheeler automobile offered in simple two-cylinder configurations and several body styles.

  • High-wheeler automobile · 1908

    Simplo runabout

    The runabout was the core Simplo model and the body style associated with the marque at its introduction. It used a two-cylinder engine, available in air-cooled or water-cooled form, together with a friction transmission and double chain drive. The runabout also featured right-hand wheel steering and could be fitted with either solid or pneumatic tires. It represented Simplo’s straightforward, value-oriented approach to early automobile design.

  • Open automobile · 1909

    Simplo roadster

    Introduced in 1909, the roadster broadened the Simplo range with a second open body format. It formed part of Cook’s attempt to offer more than a single runabout configuration while retaining the marque’s basic high-wheeler architecture and two-cylinder mechanical concept. Production ended when Cook withdrew from automobile manufacturing.

  • Open automobile · 1909

    Simplo surrey

    The surrey was added to the Simplo lineup in 1909. As an additional open body style, it gave the marque a more passenger-oriented format alongside the runabout and roadster. The model was part of the final expansion of the range before Cook Motor Vehicle Company changed its business from automobile manufacturing to multi-marque dealership operations.

Brand decisions

  • 1909

    Shift from manufacturing to dealership operationsStrategy

    Background

    After approximately a year of attempting to manufacture automobiles, Cook Motor Vehicle Company reassessed its role in the market.

    Action taken

    The company stopped pursuing Simplo automobile production and decided to become a multi-marque automobile dealership.

    Aftermath

    The decision ended Simplo manufacturing after 1909 and left the marque as a short-lived historical automobile brand.

Sources1 sources

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