The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.

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About Us

Thoroughbred Diesel opened its doors for business in 2001 as a small, local diesel repair shop. The staff at that time, turned wrenches day in and day out while gaining hands on knowledge of products and how to install those products. Four years later in 2005, we entered the world wide web and launched our online store, ThoroughbredDiesel.com. In 2009 we built a new 11,000sq ft. shop with an in house dyno, conveniently located along interstate I-64 in Winchester, KY. Whether you choose to walk into our retail showroom, or pick up the phone and call us about your diesel, we take pride in giving you great customer service. We are just rednecks that know trucks at Thoroughbred Diesel and we thank each of you for your continued support of our business. Customer Service is what sets us apart from our competition. Take a second to click here and read what our customers are saying.