![]() It's possible that your fifth wheel's pin box was damaged and needs to be replaced so you can safely tow it. Several factors might lead you to need to replace your pin box. Like everything else, your pin box will eventually need to be replaced for a variety of reasons. When it comes to comfort and turning clearance, it can impact the ride if you don't have a cushioned pin box, and it can also affect how comfortable the ride is if you don't have one. Despite the fact that you might not realize it, your fifth-wheel towing experience depends heavily on the pin box, also called the kingpin box. As a result, the latter will provide a better ride and feel for the tow unit. There are other methods, such as rubber cushions or airbags, that provide cushioning. Solid units are more affordable and do the job. Using the kingpin, the trailer is connected to the 5th wheel hitch by sliding into the U-shaped receiver on the hitch.Ī 5th wheel pin box can be of several types, each with its own design, suspension, and coupler. It is this pin box that contains the coupling system that connects the trailer to the tow vehicle. ![]() Located on the front of the trailer frame, the pin box is an engineered steel box. In addition, record how many bolts are used to secure the pin box to the frame of the trailer. You can use the drawing to measure the horizontal and vertical bolt hole distances, bolt size and bolt head size, front row of bolts to kingpin, and back row of bolts to kingpin, as well as the pin box width. How do you measure the 5th wheel pin box? The pin box contains the coupling system for attaching the trailer to the tow vehicle. This box is a box made of engineered steel that is attached to the front of the trailer frame. Before we can understand what a pin box is, let's look at what a pin box is. ![]() As an alternative to being pulled along from the bumper of your truck, you tow a 5th wheel from the bed. Tested for real world conditions, Sidewinder has cleared rigorous testing by BOSCH automotive proving grounds and exceeds all SAE/CSA Standard 16K & 19K ratings requirements for RVs.Towing a fifth-wheel RV is very different from towing a travel trailer. It also allows better load capacity and the ability to support heavier loads. The C-channel design gives it more stability and strength than the standard pin box design. And since the towing position of the arm of the pin box is locked in line with the truck, you can make full use of the truck bed space, giving you extra storage space for fuel tanks, toolboxes and cargo.ĭon’t let the slim looks fool you. The pivoting pin box makes hook up possible at any angle. Sidewinder also offers faster steering wheel response, making backing up easier than ever before. ![]() ![]() This reduces the need for extra-wide turns and allows short bed pickups to jackknife with no fear of contact. By moving the pivot rearward while keeping the load centered over the axles, the trailer tracks more closely to the truck. This enables Sidewinder to handle up to a 90-degree turn effortlessly. Sidewinder’s kingpin locking mechanism moves the pivot position 22” rear of the coupler’s attachment point. Now you can make up to 90-degree turns without exiting the truck. The nimble and quick design automatically eliminates turning and clearance headaches. Sidewinder is the premium pin box coupler designed specifi cally for short bed pickups. ![]()
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