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About Us

For commercial vehicles, the road ahead is one with ever accelerating environmental change. It is a road where customers will look for better performance, lower costs, lower emissions and increased safety at every turn. It is a challenging road, and Jacobs Vehicle Systems® is engineered to meet the challenges that lie ahead.

More than 50 years ago, Jacobs Vehicle Systems revolutionized the engine braking industry in the United States. Since then, the company has evolved into a global partner trusted by the worlds best-known engine manufacturing brands.

These partnerships have led to the development of the highest performance/liter engine brake in the commercial industry along with other innovations that have led to improved performance, lower costs, lower emissions and increased safety.

View our featured videos below to learn more about the history and technology expertise of Jacobs Vehicle Systems.

Engineered for the speed of change

The Only One. Jacobs Vehicle Systems®

Model 720 Engine Brake

How A Jake Brake Works

How A Jake Brake Works

Watch our "How It Works" video to learn more about engine braking.

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Our Story

Although the Jacobs Engine Brake has been on the market since 1961, the need for it was terrifyingly demonstrated to its inventor Clessie L. Cummins, some thirty years earlier. In August of 1931, himself, Ford Moyer, and Dave Evans driving a Cummins diesel powered Indiana truck from New York to Los Angeles...

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AIAG Member

AIAG Member

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Explore 50 Years of Jacobs History


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Join Our Team

If you are seeking an exciting career growing one of the strongest brand names in the trucking industry, consider Jacobs Vehicle Systems. With strong incentives for outstanding performance, Jacobs offers competitive employment packages.

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ISO TS 16949 Certification


Explore Our Company Store



Purchase exclusive Jacobs Vehicle Systems branded merchandise as well as tools for Jacobs technologies.

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