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In the demanding world of trucking, durability and reliability are paramount. JOST International’s Extreme Duty upgrades are engineered to withstand the toughest conditions. These products are designed to offer maximum reliability, longevity, and...

Sensor technology in fifth wheels is revolutionizing the trucking industry, enhancing safety, efficiency, and convenience for operators. At JOST International, our advanced sensor systems ensure that your fifth wheel is securely locked, providing...

Trailer kingpins are crucial to smooth operation and secure tractor/trailer couplings. They should deliver exceptional strength, balance, and wear resistance for miles. However, there will come a time when repair or replacement is necessary.

Just like any other piece of trucking equipment, fifth wheels require regular inspection, maintenance, and repair. Often, problems found during inspection can be attributed to the same component. Below, we’ll discuss what the most common fifth...

There are several critical safety aspects to heavy vehicle combinations, one of which is couplings. Understanding fifth wheel couplings is vital to the safety and efficiency of any trucking fleet. We’ll dive into the world of fifth wheel...

When you want to set yourself up for a safe, successful trip, performing a thorough fifth wheel inspection is key. It can be a little daunting but necessary for any semi-trailer driver. We’re here to help walk you through the complete fifth...

When it comes to the parts and equipment of a semi-trailer, the landing gear is extremely important. Do you know how it works? We’ll dive into semi-trailer landing gear and explain how they work, plus where you can purchase this high-quality...

If you work in the semi-trailer industry, you’re familiar with fifth wheels. But do you know what types of fifth wheels are on the market? From stationery to sliding, we’ve got them all. Plus, besides JOST International, other brands make their...

Freezing temperatures can take their toll on your rig, but don’t fret – winterizing your semi truck’s fifth wheel will help prevent damage and save you time and money throughout the season. Read on to discover our tips for semi fifth wheel...

For years, manual lever-style fifth wheels were the go-to product in the semi-trailer business. Today, air-release fifth wheels have been introduced, providing convenience. So, what’s the difference between manual and air-release fifth wheels, and...

The fifth wheel on a semi-trailer refers to the mechanism that connects the tractor to the trailer. It’s where the kingpin is located, allowing the two parts to stay connected and move safely and freely when steering the vehicle. It also helps to...

We know that there are many landing gear products on the market to choose from, and it can be overwhelming to find the one that fits the specs of your trailer. One important deciding factor is how much weight your semi-trailer landing gear can hold....

Whether you’re new to coupling trailers or you’re just trying to get a handle on all of the technical part names, the JOST team is here to provide all the information you need around fifth wheels and industrial transportation.

A fifth wheel is a part that almost anyone in industrial trucking is familiar with. We know it works to connect the semi truck tractor and trailer, and if you’ve been in the business for a while, you might even be familiar with a few of the key...

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...

The kingpin of a trailer is a small but essential component. It’s responsible for coupling a trailer to a tractor, which means its one of the few things keeping a rig together on the road. Operators know that the kingpin is the last thing you...