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Understanding Commercial Truck Tire Sizes: A Comprehensive Guide

2024-01-26

Understanding Commercial Truck Tire Sizes: A Comprehensive Guide


Selecting the correct tire size for your commercial truck is crucial, as it directly impacts safety, performance, and longevity. In this guide, we delve into the specifics of commercial truck tire sizes to help you make informed decisions for your vehicle.



Differentiating Normal from Low-Profile Tires:


Commercial truck tire sizes are typically represented by a combination of numbers and letters, indicating various parameters such as width, aspect ratio, ply rating, and load range. For instance, a normal profile tire might be labeled as 11R22.5 16PR H, while a low-profile tire could be denoted as 295/75R22.5 16PR H. These designations provide information about the tire's dimensions and load-bearing capabilities.


11r22 5 truck tire.jpg


Understanding Aspect Ratio:


Aspect ratio refers to the height of the tire sidewall relative to its width. Standard profile tires typically have an aspect ratio of 88%, whereas low-profile tires range from 70-80%. Tubeless tires come in various widths ranging from 8 to 12 inches, while tube-type tires have widths of 9.00, 10.00, and 11.00 inches, requiring an inner tube for construction.


Analyzing Wheel Size:


Wheel size is measured by the diameter of the wheel in inches. Multi-piece wheels necessitate an inner tube and commonly come in sizes like 20, 22, and 24 inches. Tubeless tire wheels are sized in half-inches, with common dimensions being 19.5, 22.5, and 24.5 inches.


Considering Load Range & Ply Rating:


Load range indicates the maximum weight a tire can support, determined by its ply rating. The ply rating is often denoted by a letter at the end of the tire profile, such as "H" for a 16-ply rating. Higher ply ratings signify greater load-carrying capacities, making them ideal for heavy-duty applications.


truck tires.jpg


Still Unsure? Consult Our Experts!


If you're still uncertain about which tires to choose, our team of specialists is here to assist you. Reach out to us at airlandtyre@sztyre.com or give us a call at +86 181 5323 7315. As professional truck tire manufacturers, we offer a wide range of options tailored to your specific requirements. Let us help you make the right decision for your commercial trucking needs.


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