Since 1935 Graham Motors and Controls™ has provided variable speed drive products to the global marketplace. The Ring-Roller mechanical variable speed drive can be found in operation today on six of the seven continents. Graham's engineering expertise has consistently provided mechanical and electronic motion control solutions for thousands of companies. As a leading supplier of motion control products, we offer a wide range of electronic DC Speed controls and DC Motors and Gear motors 3hp. Contact us today for more information.