Diesel Off Road Technology services UTV’s and Side by Sides. Let our knowledgeable and professional staff repair or service your UTV and side by side investments. Have a project or design idea, we also provide top quality custom fabrication from our in store fab shop. So if your in the Chattanooga, Soddy Daisy area, come by for a free quote and let our expert and friendly staff provide you with the best customer service in our area. Thanks for visiting our site.