You can also lift the front end to see if it is loose. Remove the knuckle cap before you extract the kingpin. Luckily, replacing the kingpin isn’t difficult, but it does require the skills of a mechanic.įirst, remove the wheel end and spindle knuckle. It can also cause the steering wheel to shake, which is a major safety risk. A worn kingpin can lead to a faulty steering system, poor alignment, and unsafe driving. If you’ve noticed premature tire wear on the front of your truck, it might be time to have your kingpin replaced. To determine if you have a kingpin problem, lift the front end of your truck and check the steering axle shocks.
#KING PIN FOR TRUCK DRIVER#
While kingpins aren’t as visible as the wheel shafts, the driver can often feel a pull or shimmy when steering the vehicle. The kingpins also help the driver control the vehicle when turning the wheel. These pins work in conjunction with bushings to keep the steering knuckle properly aligned. They support the steering geometry by connecting the steering knuckle to the axle beam. Kingpins are a key component to the steering system of a truck. If you notice any of these symptoms, you should visit a qualified mechanic. If you have difficulty steering your truck or see uneven tire wear, you may have a kingpin problem.
Then, a new kingpin is installed and professionally welded to your trailer.For the beginner skateboarder, the kingpin on a truck may seem like an unnecessary component but it’s an important part to keep an eye on. One of our certified mechanics can cut out the old king pin from your trailer and the cross member supports. If your kingpin is so worn out that repair is not an option, you many choose to replace the entire piece. If your king pin is worn out, the stability of your entire trailer is compromised.
#KING PIN FOR TRUCK DRIVERS#
Trailer Kingpin Repair And ReplacementĬhecking the condition of your trailer king pin regularly is important to the safety of your entire rig as well as other drivers on the road.
An easy way to help determine a worn king pin is to conduct a king pin wear inspection. If you’re experiencing symptoms of a king pin and bushing failure, additional inspection must be done to rule out other wheel assembly issues that may cause similar symptoms. Because of the potential for further damage and operator safety risks, properly diagnosing and repairing worn king pins, bushings and tie rods needs to be addressed promptly. Experiencing these symptoms while driving may result in a shaking cab or steering wheel. You’ll notice signs of king pin and bushing failure from incorrect vehicle alignment, premature and uneven front tire wear, and rough handling.
Improper lubrication of king pin bushings can cause king pin contact points to start to wear at the steering knuckle. King pins and tie rods can wear out extremely fast if they’re not greased on a regular basis. To avoid accidents arising from turning problems make sure your truck’s king pin is regularly checked and serviced. It’s the pivot point between the two units and because if this it receives a great deal of wear and tear making eventual repair or replacement necessary.įailure of the king pin means that the steering system will not work properly, and improperly working steering systems can be dangerous. The receiving piece on the truck is a horse-shoe shaped platform attached to the tractor. This is a pin which connects the trailer to the fifth-wheel. Smith Co., we offer a complete range of king pin replacement, king pin servicing, and king pin repair services.Įvery semi-truck or trailer depends on one small piece of equipment for its connection.
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