About Us

All about Cotta. Your gearbox of choice.

Over 50 Years Of Custom Design Experience

You have access to the best gearbox technology when Cotta is your chosen source. Our engineers are a true extension of your company. With the experience of working with hundreds of companies and thousands of gearbox designs, over decades, our engineering team will dive into your requirements and will create a world-class design. We are ISO 9001:2015 Certified as well, ensuring the highest quality practices in our product design and engineering, our measurement and test equipment, and our manufacturing engineering. Whether you need a standard, modified-standard, or a completely new design, Cotta is ready to drive technology for you.

Cotta maintains a 2,000+ existing drivetrain design library. Our experienced engineers and craftsmen can take virtually any new gearbox application from concept to delivery at our Wisconsin production facility. We can also re-engineer retrofit Cotta designs into applications where competitors’ products are no longer supported, like Fabco, Durst, and Funk.

For more than a century, Cotta has been a leader and driving force in gearbox technology.

Back in 1906, engineer Charles Cotta introduced his breakthrough constant-mesh shifting transmissions, and soon became a key supplier to the automobile and truck industries.

In the 1940’s, Cotta shifted our focus to industrial products and off-highway / construction specialty vehicles and, in 1960, we added a line of high-speed transmissions. Over the past 50 years, Cotta has diversified into offering other products including speed reducers, speed increasers, hydraulic pump drives and split-shaft PTO’s. Bringing us to today, as Cotta has become the premier, trusted and leading manufacturer of top-quality, precision-engineered transmission products for a wide range of specialized mobile and stationary applications, such as vocational trucks, defense, off-highway, aerospace, heavy industry, well-drilling, mining, marine and more.

Precision and Quality You Can Trust

Located in a 63,000 square-foot facility in Beloit, Wisconsin, home to our recently-upgraded testing lab, Cotta designs and engineers in accordance with the American Gear Manufacturers Association to ensure our quality – which is monitored systematically, and comprehensively focused on starting at the source to support our “zero defect” policy.

Cotta. Your gearbox of choice.