Dyno Tech Services: Honoring Our Legacy in the Prony Brake Dynamometer Market

Take a moment to journey through Dyno Tech’s rich history in agricultural power testing. The snapshots we’re sharing offer a glimpse into our early days—from the 1980s and 1990s—when craftsmanship and innovation laid the foundation we continue to build on today.

If you look closely, you’ll spot Mike Grems and his father Merv, two pillars of Dyno Tech’s legacy. These images reflect more than just a timeline—they capture our deep commitment to excellence and hands-on expertise across generations.

In our world, certification means mastery—a deep understanding of every component, every measurement, and every machine you work on. And few exemplify that better than Mike Grems and Aaron Warsaw. With decades of experience, pioneering designs, and unmatched knowledge, they represent the gold standard in Prony brake dynamometer excellence.

When It Comes to PTO Ag Dynamometers—Experience Matters.

No one brings more depth, innovation, and hands-on expertise to this field than Mike Grems and Aaron Warsaw. Together, they represent an unmatched force in the industry.
Their combined decades of real-world experience, patented designs, and commitment to precision set the gold standard.
There is simply—nobody better.

Call Dyno Tech. We won’t just talk about our experience—we’ll prove it.

712-362-2944

With patented designs, unmatched service, and over 150 years of combined expertise, our track record speaks louder than words. 

AW dynamometer history

Colfax, IL, 1991

A semi-trailer filled with precision dynamometers carefully loaded on the main street in Colfax, Illinois, bound for Canada.

Rebuilding an AW dynamometer

🛠️ Dyno Tech Rewind – 1991:
The beginning of a meticulous rebuild captured in its rawest form. Grit, grease, and craftsmanship—this is where it all started. These “before” shots remind us how every great machine begins with a moment of focused restoration and unmatched expertise.

 

AW dynamometer and Dyno Tech Services history

🔧 Ready for Revival – 1991 Rebuild in Motion
Freshly cleaned components laid out with precision—each part poised for its return to peak performance. This moment captures the transition from restoration to reassembly, where craftsmanship and legacy meet in every bolt and bearing.

Mike Grems owner of Dyno Tech rebuilding an AW dyno in 1991

📸 Flashback to 1991:
Here’s Mike Grems, sleeves rolled up and tools in hand, wrapping up another meticulous dynamometer rebuild. A true craftsman with decades of grit, precision, and pride—this is how legends earn their legacy.