The 4 State Trucks Blog

So, you're prepping your big rig for a cold and rainy season and you're thinking about winter fronts for your semi truck. Are they an outdated relic from the past or a useful seasonal accessory for a saavy owner-operator? Here are the key points you have to know:  Winter fronts are only applicable to trucks that operate in extreme cold (-22F) – especially if you’re driving through rain, sleet, and corrosive road salt. Frozen chunks of ice can accumulate in your front grill and …

Your Peterbilt clutch is a small, but critical part that connects the engine power to the transmission. Without it working right, you'll have trouble stopping, idling, or shifting. Although most new Peterbilt models don't operate on a clutch - a lot of older models do.  Peterbilt Models: 379, 389, 589, 567, 579. And if you're looking for tips on replacing clutch parts or learn more about what they do, this post is for you.  Here’s What a Semi Truck Clutch Does By pressing the foo …

Every truck driver knows one thing: semi-truck repairs are a nightmare for the pocketbook. Sticking to a solid, consistent maintenance schedule is the best way to prevent this from happening. But like any good habit, it’s something we tend to put off for tomorrow…until it’s too late! Your truck is your income. Preventative maintenance is a business strategy.  In this post, we’ll cover the need for a preventative maintenance checklist, and some of the common replacem …

Choosing to invest your hard-earned dollars into a class 8 big rig is a massive decision. And if you're buying a semi truck for the first-time, there's bound to be a tsunami of details being hurled your way, from warranty information and spec'ing parameters to various market options. Yup. It's daunting. Thankfully, we've put together a list of the TOP QUESTIONS TO ASK before investing money into a semi truck.  Want to know your truck's target rate per mile? Calculate your CPM here. Ke …

You're driving at 70 mph, but your dash says 0. Each shift jerks you forward and the cruise control won't stay on. Sound familiar? It's your Peterbilt speed sensor that's breaking down.  Buy a low-cost speed sensor replacement ahead of time and store it for a rainy day. It can prevet a lot of costly downtime.  What is a Speed Sensor in a Semi Truck? Basically, the speed sensor monitors the rotational speed of the wheels, converting the motion of the wheel into an electronic signal whi …