Drive Source International/Dynamatic

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Sturtevant, WI  |  800-548-2169

Drive Source International (DSI), also known as Dynamatic, is a premier provider of high-quality dynamometer products and comprehensive service solutions. With a strong presence in Sturtevant, Wisconsin, and a history spanning several decades, DSI has established itself as a trusted leader in the industry, catering to a diverse range of customers across various sectors.

DSI's dynamometer products are designed to meet the demanding needs of performance testing, efficiency analysis, and power measurement. Their extensive product line includes absorption dynamometers, regenerative dynamometers, and hydraulic dynamometers, among others. These state-of-the-art systems are engineered with precision and reliability in mind, offering accurate measurement and control of torque, speed, power, and other critical parameters.

One of the key strengths of DSI is their ability to provide customized dynamometer solutions. They understand that each customer has unique requirements, and their team of experienced engineers works closely with clients to develop tailored solutions that meet their specific testing needs. From conceptual design to system integration, DSI collaborates with customers to ensure optimal performance and seamless integration of the dynamometer into their test environment.

In addition to their exceptional product offerings, DSI provides a comprehensive range of services to support their customers. Their service capabilities encompass installation, commissioning, calibration, and maintenance, ensuring that the dynamometer systems operate at peak performance. DSI's team of skilled technicians and engineers offer prompt technical support and training, enabling customers to make the most of their dynamometer investment.

DSI's dynamometers are known for their advanced features and capabilities. These include high-speed data acquisition, real-time control, and customizable testing profiles. Their systems can simulate a wide range of load conditions, allowing customers to evaluate the performance, durability, and efficiency of engines, transmissions, drivelines, and other mechanical systems.

DSI has earned a stellar reputation for their commitment to quality, innovation, and customer satisfaction. They adhere to stringent quality standards in the design, manufacturing, and testing of their dynamometer products, ensuring consistent and reliable performance. As a testament to their expertise and reliability, DSI's dynamometers are trusted by major automotive manufacturers, research institutions, and engineering firms worldwide.

Beyond the automotive industry, DSI's dynamometer solutions find applications in aerospace, marine, industrial, and energy sectors. Their versatile products and comprehensive service offerings have been utilized for testing gas turbines, electric motors, pumps, generators, and other power transmission systems.

In summary, Drive Source International (DSI), also known as Dynamatic, is a reputable provider of dynamometer products and services based in Sturtevant, Wisconsin. With their advanced and customizable dynamometer solutions, along with their comprehensive range of services, DSI is dedicated to helping customers achieve accurate and reliable testing results. Their commitment to quality, innovation, and customer satisfaction has positioned them as a preferred choice for companies seeking cutting-edge dynamometer solutions for performance testing, efficiency analysis, and power measurement.

Dynamometers Power Pages



A dynamometer is a measuring device used to determine the torque, force, speed, and power required to operate the drive on a machine or motor, which can be measured by evaluating the torque and rotational speed of a motor simultaneously...

Engine Dyno

Engine Dyno

An engine dynamometer is a device used to test an internal combustion engine that has been removed from a car, ship, generator, or any other accessory that uses one. The goal is to verify performance before reinstalling the engine in the equipment...

Calibration Services

Calibration Services

A calibration service is a service aimed at detecting the inaccuracy and uncertainty of a measuring instrument or piece of equipment. In calibration, the device under test (DUT) is compared to a reference of known value to determine the deviation of the measurement from the true value...

Test and Measurement Equipment

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