The 4 State Trucks Blog
Semi Truck Brakes 101: How They Work & When to Replace Them
We all know how critical semi truck brake parts are, even if they aren't something that crosses our minds.
If you're driving down long stretches of plains like Kansas, Nebraska, or Oklahoma, you never think about checking your brakes - let alone having to order replacement brake parts.
In this post, we’ll explain the basic concepts behind how commercial semi truck brake systems work, the various aftermarket brake parts you can order, and the signs that it's time to replace a part.&nb
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5th May 2025
The Best Semi Truck Half Fenders for Your Big Rig
Upgrading and customizing your truck is part of a long-term vision. After your bumpers and hoods, add some fenders - more specifically: half fenders.
Semi truck half fenders are an exceptional way to start enhancing your truck, be it as an owner-operator who is looking to improve the unique style and look of your truck, or as a fleet manager looking to add lightweight poly or aluminum fenders to a collection of big rigs.
Types of Semi Truck Half Fenders to Consider
Single vs.Tandem A
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5th May 2025
Top 10 Tractor Trailer Accessories to Level Up Your Truck
One of the best ways to start improving you rig's safety, comfort, and performance is by adding some aftermarket tractor trailer accessories, whether it's a set of pintle hooks for stronger towing or some interior accessories for added comfort.
1. LED Lighting Upgrades for Better Visibility
Get a better lifespan and lower energy consumption from your trailer tractor lights with aftermarket LED replacements for your headlights, taillights, turn signal lights, or cab and marker lights for greater
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1st May 2025
Top 5 Semi Truck Hood Ornament Styles You Should Consider
Semi truck hood ornaments have become true symbols of trucking culture.
From the classic angry duck design to the flying goddess, hood ornaments offer commercial truck drivers an affordable, low-investment way to start showcasing their semi truck’s personality on the road.
Here’s the Brief Backstory on Hood Ornaments
Hood ornaments significantly grew in popularity on automobiles during the 1920s and 1950s. They started out as MotoMeters (a thermometer mounted on top of th
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1st May 2025
Fuel Tank Measurements To Take Before You Replace Your Tank
If you’re thinking about upgrading your semi truck’s fuel tank for a larger gallon-size and more fuel storage capacity - or you’re just replacing an OEM diesel fuel tank with an aftermarket brand, there’s one thing you need to know: fuel tank measurements!
Top Fuel Tank Specs to Consider Before Upgrading:
Type of Manifold
Old or New Style Tank
Diameter and Length
Rear or Front Fill
Inches From Filler Neck to Drain Point
Without the r
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30th Apr 2025