JOST International has been manufacturing fifth wheel coupling devices since 1956. In fact, we submitted the patent for the first-ever steel cast fifth wheel coupling. As a leading manufacturer of fifth wheels, we want to make sure that anyone in the industry, new or experienced, has access to helpful, informative content about all of our components. With that goal in mind, we’re tackling a popular question from those new to the semi-truck and industrial transportation industry: “how does a fifth wheel work on a semi?”.

The passenger side landing jack on our Keystone Cougar fifth wheel suffered a major failure last week. I was in the process of jacking the trailer off the truck when I heard and felt a loud clunk. In fact, my wife who was inside setting things up immediately looked out the window and ask “What the heck was that?”. “Not sure” I replied, but I knew something was not right with the jacks.I decide to retract them again and that’s when I saw the passenger side landing leg was not lifting up!  Luckily I was still hooked to the truck so I set to work removing the faulty landing leg to try and determine the issue. Removing the trailers landing leg was pretty straight forward involving undoing just a few bolts, its foot pad and locking pin assembly. In no time I had the whole leg out.

Yes, you can repair landing gears on your fifth wheel with an inexpensive rebuild kit. No, in the interest of full disclosure, I did not do this…yet. But as promised in my last post about how to fix fifth wheel legs, I can provide step by step instructions. And I have plenty of photos. How? Because I tore apart my seized landing gear leg to see how it works. I identified how all the parts are put together. As a result, I figured out just how easy it is to repair landing gears. If I ever need to do that on our own fifth wheel, that is. so…

If you're a road-tripper, a snowbird, or just someone who likes to see the country, a fifth wheel may be for you. You can get away from the hustle and bustle of modern life and still enjoy a lifestyle just like home along with all the comforts and amenities that come with it.

Suppose you’re considering buying a trailer or have owned one before. In that case, you may have encountered the dilemma of choosing between a fifth wheel or a traditional travel trailer.

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