8/25/2023 0 Comments Replacing king pinsTo 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. Keeping your suspension clean and lubricated is the key to smooth operation with either front end style.At Harry J. You can swap a beam by welding new head mounts on, but it is usually best to use the suspension already on your car and use quality components to replace anything worn or broken. Generally, we would recommend sticking with whichever beam you already have in the car or buggy. Torn boots, water and dirt intrusion will also wear the ball joint out more quickly – keep the boots in good shape and free of dirt. The downside – break a ball joint and you will find yourself trying to strap and support the torsion arm back in place. They are a little more difficult to work on, requiring a special reamer & press tool to replace.īall joint beams typically have better road manners, allowing smoother suspension articulation. Most ball joint knuckles are designed to use an expensive dealer-only “Unit Bearing” wheel hub assembly that is not maintainable separately–you just wait till it wears out, throw it away, and buy a new one.Įven with heavy off-road use, king pin front ends are extraordinarily strong and rarely break – typically you can still drive a buggy with a bent king pin back to your campsite or trailer. Kingpin knuckles also use a conventional spindle, wheel bearing, and hub assembly. Also, if you break an axle, the broken chunks can pop out the ball joints in a ball joint knuckle–kingpins cannot be popped out like that. Kingpin knuckles are generally stronger, easier to maintain, and more durable than ball joint knuckles. Kingpin or ball joint refers to the pivoting parts between the inner and outer knuckles–kingpin knuckles rotate on machined bushings and bearings, while ball joint knuckles rotate on a ball-and-socket joint. What is different between a kingpin knuckle and a ball joint knuckle? Ball joint beams usually measure 8″ in height. King pin beams usually measure 7″ in height. Ball joint shocks have an eyelet bottom mount and a stud top mount. King pin shocks have an eyelet mount at the top and bottom. On a stock VW beetle spindle, they face each other, on a VW Thing spindle they will both be facing down. This pin is held onto the torsion arms with two horizontal link pins on the top and bottom of the king pin.īall joint spindles mount directly on two ball joints and have threaded bolts visible underneath the ball joints. King pin spindles mount with a large vertical king pin on which the spindle rotates.
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