Hydra-Test is part of our precision engineering company Cottingham Engineering Ltd, specialising in the Automatic Transmission Rebuilding Industry based in the United Kingdom. We now have Hydra-Test USA which is run by Garrett Herning, based in Wisconsin. Garrett is a long established industry professional who has many years of experience working with test equipment manufacturers throughout the United States.

Together we are leaders in the manufacture of Valve body and Solenoid testing machines, tools and equipment.  

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Our engineering sector remanufactures Torque Converters for various transmission parts distributors, both in the UK and Continental Europe. We also develop and manufacture specialist tooling for automatic transmissions and Valve Body Solenoid Tool kits to help transmission rebuilders perform their tasks.

Alan Smith 
Managing Director of Hydra-Test Ltd. & Cottingham Engineering Ltd.
Co-Director of Hydra-Test USA 

UK Head office along with engineering and manufacturing located in Kettering, England

Worldwide distribution supported by a highly experienced, dedicated technical team 

USA Headquarters based in Southern California with manufacturing and support located in Milwaukee WI.