Axle Surgeons® and Axle Doctors® are proprietary trademarks of PMC Corporation. © 2026, PMC Corporation The problem with your loose kingpin may be your knuckles. Axle Doctors® has the cure. 1-877-FIX-AXLE www.axlesurgeons.com The Kingpin division of Loose kingpins can cause steering difficulties and excess tire wear that can increase your operating cost. Too often, the traditional rebuilt kingpins last only a fraction as long. When a technician replaces your kingpins, he should also examine the knuckle eyes for wear. Simply replacing he kingpin set overlooks worn knuckle eyes that give the kingpin just enough play to erode the holes faster than normal. A trained Axle Doctor® specialist can in-line bore and sleeve knuckle eyes for a precise fit—and give your kingpin set a full life. Get your truck fit to report back to work in hours. In addition to treating kingpins and knuckles, we replace damaged drive and trailer spindles as well as spider plates on vehicles 3/4 ton and up. Axle Doctors® replacement techniques are safer, more durable, than old-fashioned patches or repairs. Only certified Axle Doctors® are trained to use our new, more effective and fully patented process and products. Nationwide service. Axle Doctors— is the kingpin division of Axle Surgeons®. To find your nearest Axle Doctors® with up-to-date training in patented Axle Doctors® practices, call 1-877-FIX-AXLE. Knuckle in-line bored for precision fit Bored knuckle with inserted sleeve Truck ‘N Trailer Magazine | www.truckntrailer.com June 12, 2026 Edition | page 5
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