what does the treadwear rating mean
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"What does ""treadwear rating"" mean" What does treadwear rating mean. Quick Answer. The treadwear rating of a tire is the number listed on a tire's sidewall that states how well the tire wears compared to other tires. If a tire has a 200 rating, it wears twice as long as a tire with a rating of 100.
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Tire Specs Explained: Tread Depth …Tread Depth Lea esta pgina en espaol Tread Depth Tread depth is a vertical measurement between the top of the tread rubber to the bottom of the tire's deepest grooves. In the United States, tread depth is measured in 32nds of an inch.
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Tire Speed Ratings and Treadlife Tire Speed Ratings & Tread Life. The most common tire speed ratings, speeds and vehicle usage are as follows: The Origin of Speed Ratings. We can thank Germany’s famous Autobahn for tire speed ratings. Tire speed ratings range from A (the lowest) to Y (the highest). But the chart is not completely in alphabetical order. For example, H is between U and V, with the common perception that H stood for “high performance” at one time.
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What Is an LT Rating on a Tire? LT Tires. LT is not a tire rating but a category of tire. LT stands for light truck and as the name suggests, these tires are designed for trucks and SUVs. The label LT is usually placed in front of the tire size. The other common type of tire is a P tire.
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A Simple Explanation of Tire Speed Rating A tire’s speed rating indicates the optimal speed that the tire can safely maintain over time. The higher the speed rating, the better control and handling you’ll have at higher speeds. The speed rating system was developed to help control the safe performance of tires at standardized speeds. A tire’s certified speed rating is given a letter from A to Z, ranging from 5 km/h (3mph) to above 300 km/h (186 mph). This rating system (see below) shows the top speed for which a tire is certified.
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TRAIL-RATEDÂ® CERTIFICATION TRAIL-RATED® CERTIFICATION. From the original Willys MB to the 2011 Grand Cherokee, the Jeep® brand has been the leader in 4x4 innovation and off-road capability for over 69 years. The proof is in our exclusive Trail Rated standard. We test Jeep® 4x4s on the toughest trails in the world to prove one thing: They can take whatever you dish out. The Trail Rated® badge means that your Jeep 4x4 has been designed to perform in five categories of off-road conditions: traction, ground clearance, maneuverability, articulation, and water fording. Traction in 4x4 is equivalent to grip on Asphalt.
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How to Read Speed Rating, Load Index & Service Descriptions Using a P195/60R15 87S tire size as our example, the 87S at the end of the size represents the tire's service description. A service description identifies the tire's load index and speed rating. Service descriptions are required on all speed rated (except for Z-speed rated) tires manufactured since 1991. The first two digits (87S) represent the tire's load index and are followed by a single letter (87S) identifying the tire's speed rating.
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Flame Resistant Hazard Rating Categories Arc Rating: A value of the energy necessary to pass through any given fabric to cause with 50% probability a second or third degree burn. This value is measured in calories/cm². The necessary Arc Rating for an article of clothing is determined by a Hazard/Risk Assessment and the resulting HRC. Usually measured in terms of ATPV or EBT. Simple put the ARC rating determines the protective characteristics of the fabric. The higher the ARC rating value the greater the protection.
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Tire Load Index Chart Tire Load Index Chart. Tire load index or load rating is a numerical code on a tire sidewall which specify the maximum load the tire can carry at the speed indicated by the tire's speed rating under certain service conditions - specified by the manufacturer.
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Tire Glossary UNIFORM TIRE QUALITY GRADE: A series of ratings prescribed by the government and determined by the tire manufacturer, which rates a tire's treadwear (a number representing treadwear as a percentage of a standard reference tire), traction (from AA to C) and temperature (from A to C).
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Tire Specs Explained: Tread Depth Tread Depth. Tread depth is a vertical measurement between the top of the tread rubber to the bottom of the tire's deepest grooves. In the United States, tread depth is measured in 32nds of an inch. Because it is difficult to accurately measure tread depth with a ruler, tread depth is best measured with a tire tread depth gauge.
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HOW TO CHECK TIRE TREAD DEPTH The Penny Test. In the United States, tire tread depth is measured in 32nds of an inch. New tires typically come with 10/32” or 11/32” tread depths, and some truck, SUV and winter tires may have deeper tread depths than other models. The U.S. Department of Transportation recommends replacing tires when they reach 2/32”, and many states legally require tires to be replaced at this depth.
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tread Definition of tread. 1  1a (1) : the part of a wheel or tire that makes contact with a road or rail (2) : the pattern of ridges or grooves made or cut in the face of a tireb : the part of a shoe or boot sole that touches the ground; also : the pattern on the bottom of a sole. 2  2a : the upper horizontal part of a stepb : the width of such a tread.
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Load Range / Ply Rating Identification Load Range / Ply Rating Identification. The load range/ply rating branded on a tire's sidewall identifies how much load the tire is designed to carry at its industry specified pressure.T-metric sized special trailer service tires will be branded with their load range (load range D or LRD) on their sidewalls and list their appropriate load range letter in their descriptions as ST205/75R15 LRD.
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Tire and Wheel Glossary This is narrower than the overall tire width (called the Section Width) Underinflation : a tire with less than the recommended air pressure for a given load. This may lead to tire rollover and deflection. UTQG: The Uniform Tire Quality Grading rating is a quality rating system developed by the American Department of Transportation.
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What Is an LT Rating on a Tire? LT is not a tire rating but a category of tire. LT stands for light truck and as the name suggests, these tires are designed for trucks and SUVs. The label LT is usually placed in front of the tire size.
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Tire Speed Ratings Explained Likewise, if you're looking to put inexpensive shoes on a minivan, you probably don't need V-rated tires, even if the manufacturer put them on as the OEM choice. It's hard to understate how important knowing what the speed ratings really mean can be.
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How to Read Speed Rating, Load Index & Service Descriptions The first two digits (87S) represent the tire's load index and are followed by a single letter (87S) identifying the tire's speed rating. Using a P195/60R15 87S tire size as our example, the 87S at the end of the size represents the tire's service description. A service description identifies the tire's load index and speed rating. Service descriptions are required on all speed rated (except for Z-speed rated) tires manufactured since 1991. The first two digits (87S) represent the tire's load index and are followed by a single letter (87S) identifying the tire's speed rating.
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What do the load rating letters on tires mean? Load Index P195/60R15 87S-The load index (87) is the tire size's assigned numerical value used to compare relative load carrying capabilities. In the case of our example the 87 identifies the tires ability to carry approximately 1,201 pounds.
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What Are Tire Speed Ratings? What Are Tire Speed Ratings? Every tire approved for highway use by the Department of Transportation, including those on your vehicle, comes with a particular speed rating. The speed rating is a letter corresponding to the maximum safe speed at which a tire can be driven, as determined by laboratory testing. Tire speed ratings first originated in Europe in the 1960s, as a way to make sure increasingly faster vehicles were equipped with appropriate safe tires. These early speed ratings set the foundation for the current speed rating system used by the DOT and tire manufacturers.
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- The sidewall of all tires sold in the US will have scores for tread wear molded into the rubber. A new car tire may have a tread wear rating as low as 150, and good quality replacement tires may have a tread wear rating of 600 in some cases. You get what you pay for, generally speaking. However, these tread wear numbers can only be accurately compared within one manufacturer's model line.
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How do I know if my tires will pass inspection? Inspection. Tread depth may be measured in sixteenths of an inch, with 5/16 inches being a common depth for a new, all-season tire. Tires are generally unsuitable for snow and rain when their tread depth is less than 3/16 inch, due to the greater traction these conditions require.
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- Satisfactory casing quality is another gauge of a tire's overall condition. Casing quality relates to inner liner wrinkles, tire repairs or any visual signs of tire abuse (sidewall cuts or scuffs etc).
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TREAD (trod, trodden) Dictionary entry overview: What does tread mean? • TREAD (noun) The noun TREAD has 4 senses: 1. a step in walking or running 2. the grooved surface of a pneumatic tire 3. the part (as of a wheel or shoe) that makes contact with the ground 4. structural member consisting of the horizontal part of a stair or step