The ARI-HETRA air assisted and manual King Pin Press is a safe, professional, and time-efficient tool used to replace heavy-duty king pins. It's vertical, side-to-side, and front-to-back adjustability make it easy to maneuver around obstacles that would otherwise make the job time consuming and difficult. It comes with a fully stocked tooling kit that prepares technicians to replace king pins of various sizes. All of the KPP-143's features combined with the use of 143,000 lbs. of compression forces make it the most time-efficient, safe, easy to use, and reliable tool for king pin replacement.