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Dynos measure engine performance by running an engine at high speeds for long intervals. Dynos are different than road tests, though, in the vehicle is placed on stationary rollers and can be controlled by a computer. Read More…

Dyno Dynos are used to measure the force generated by an engine. Dyno is short for "dynamometer." Dynamometers are employed throughout the automotive design and diagnostics industries and are also referred to as dynamometers and dynometers.
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Leading Manufacturers

Owosso, MI  |  989-720-2700

We provide dynamometer test controls and equipment for a wide range of applications. Our test cell control system is compatible with all types of dynamometers, including AC & DC motoring dynos & Water Brake Systems. Our products all include the durability & quality customers expect from SAKOR. Our dynamometers are powerful & affordable for the automotive, aerospace & heavy equipment industries.

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SAKOR Technologies, Inc. $$$

Northville Township, MI  |  734-656-1400

Here at Meiden America, Inc. we manufacturer an extensive line of dynamometers. Our products include: ultra low inertia permanent magnet dynamometers, FREC dynamometers, eddy current dynamometers, and much more. Our experts are available to assist you with finding the best product for your application.

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Meiden America, Inc. $$$

Monterey, CA  |  831-373-0200

Customers choose Sierra Instruments when they need a dynamometer that is accurate and repeatable. We also offer short delivery lead times, expert flow advice, and long term customer support. Our line of dynamometers include chassis, eddy, hydraulic, and more. When it matters, choose Sierra. Contact us today to learn more!

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Sierra Instruments $$$

Sturtevant, WI  |  818-746-3649

Phoenix Dynamometer Technologies LLC offers the most comprehensive approach to water re-circulation systems, data acquisition systems, and dynamometers in the industry. Along with these high performance products, we also offer business continuity and a competitive advantage for our customers. Come and experience the kind of service that sets us above our competitors. We would love to serve you today. Call or visit us online!

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Phoenix Dynamometer Technologies LLC $$$

Agawam, MA  |  800-866-3672

As a distributor of force measuring gauges, testing machines, dynamometers and torque testers, C.S.C. Force Measurement has been depended upon for over 50 years. Our force measurement systems products are from CDI, Chattillon, Dillon and Mark-10. We also provide pre-owned and rental equipment. Visit our website to learn more or browse through our online store.

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C.S.C. Force Measurement, Inc. $$$

Buffalo, NY  |  716-668-5555

We manufacture dynamometers: brake and electric motor dynamometers, torque testers and force measuring instruments. Our versatile dynamometers include engine dynamometers and dynamometer scales for various applications, scales, force measuring and measuring other instruments. For more information, contact Magtrol today!

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Magtrol, Inc. $$$
placeholder image SAKOR Technologies, Inc. Meiden America, Inc. Sierra Instruments Phoenix Dynamometer Technologies LLC C.S.C. Force Measurement, Inc. Magtrol, Inc.

Some dyno varieties involve a frame that holds the vehicle above engine mounts, rolling cylinders, a heat exchanger and a torque measuring device. Others require hydraulic fluid, water or oil to function. Modern dynomometers are able to graph the performance of an engine in terms of its maximum rotary speed, torque capacity and maximum power absorption. In some cases, they can also provide analyses of emissions and reaction time. Dyno users can interface with their equipment through control consoles, computers or remote controls.

Dyno Dyno - Taylor Dynamometer, Inc.

Dynomometers are used to measure the RPMs and torque for gearboxes, belt or chain drives, fluid power systems, gas or diesel systems, turbines, transmissions and other applications. They are most commonly used in the automotive industry but are also applied in aerospace, marine and industrial processes.

Chassis and engine dynomometers are the most common dyno varieties. Chassis dynos measure an engine's performance based on the speed and nature of the rotation of the wheels that the engine powers; engine dynos measure engine performance directly.

In the case of chassis dynomometers, a vehicle is placed on a frame and placed on rollers. Once secured, a computer starts the vehicle's engine remotely. The computer measures how quickly the rollers rotate and, along with factoring in the weight of the rollers, determines the engine's performance.

Chassis dyno readings can be 15% to 20% lower than readings taken by engine dynomometers because the chassis dynamometer reading process causes energy losses due to friction throughout the drivetrain. In engine dynos, a torque measuring device is connected to the crankshaft or flywheel, and a lubricant may be used to reduce friction and heat generation. Dynos are often used to test new engines or to examine engines during diagnostic testing.

Dyno Informational Video