Used horizontal directional drills and drilling equipment by Ditch Witch, Vermeer, American Auger & more. A Charles Machine Works Company. 2016 marks our 30th year in business. In that time MTI® has grown to be the most trusted global distributor of used HDD equipment worldwide. Being involved in the HDD industry since its inception has afforded us a vast amount of experience and knowledge to better service our customers. We maintain the largest inventory of reconditioned HDD equipment for all major brands. Today MTI Equipment buys and sells directional drilling machines and related support equipment around the globe into over 40 countries.Every MTI® drill is put through a detailed 80-point inspection, reconditioned by a team of highly trained mechanics and field tested for quality assurance. That's our RE-HDD process. Our goal is to find problems and solve them so you don't have to. That's how we're taking the risk out of buying used. With over 90 drills in stock at all times, we invite you to come see and operate our entire selection of used HDD equipment at our Test Facility.