A speed rating of T indicates that the tire can be safely driven up to 118 mph. A tire with an H rating has a higher limit — 130 mph — which means it can be safely driven faster than the tire with the 94T code. Manufacturers may produce identical tire models with different speed ratings.
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Likewise, What is the law on tyre age?
You must replace tyres when the tread depth falls below 1.6 mm, which is the legal limit. … All tyres (including spare tyres) more than ten years old should be removed from service and replaced with new tyres.
Also, What does the last letter on a tire mean?
G: SPEED RATING The last letter is the tire speed rating. This indicates the top speed it’s safe to travel at for a sustained amount of time. A tire with a higher speed rating can handle heat better and provide more control at faster speeds.
Moreover, What does XL mean on a tire?
This means there needs to be different types of tyres, as the tyres used for a large vehicle, an SUV or a fully loaded transporter have to take more weight than those of a normal car. XL tyres have been especially developed for use with heavy loads. Generally speaking, the tyre name XL is used for heavy duty tyres.
What does 104T mean on a tire?
Those numbers refer to the load and speed ratings of the tires. In your first example 104T would mean that tire has a load carrying capacity of 2000 pounds (900kg) and a speed rating of 118 miles per hour (190 km/h). As the letters and numbers go up their respective scales the load rating and speed rating go up.
Can I use 10 year old tires?
While there’s no federally sanctioned safety guidance on when a tire is too old to be safe, many carmakers recommend replacement at six years from the date of manufacture. Old tires have been the culprit in fatal accidents. … An analysis of the used tire revealed that it was nearly 10 years old.
Are tyres illegal after 10 years?
Tyres that are aged 10 years and older will become a failure item at annual test. If these tyres do not display a date code, they will also fail. As part of the annual test, our Vehicle Standards Assessors (VSAs) will check that each tyre displays a date of manufacture or re-treading.
Are old tyres illegal?
There is no legal limit to the age of tyres that can be used on cars, but new legislation will mean tyres over 10 years old will be banned from the being fitted to the front steering axles of goods vehicles more than 3.5 tonnes, buses and coaches and minibuses unless the axle had twin tyres.
Can I use 235 tires instead of 225?
Are 225 and 235 Tires Interchangeable? Yes, they are. However, this is only possible if your car’s rims can accept the larger millimeter.
What does 98H mean on a tire?
The Tire Load Index and Speed Rating are part of the tire size. Lets take, for example, tire size 225/50 R17 98H (as pictured above). The 98H at the end represents the service description. The service description is composed of the load index and the speed rating.
Are XL tires stiffer?
The design is referred to as ‘reinforced. ‘ It means that the carcass of the XL tire is more robust as compared to a non-XL tyre. Moreover, it also has a single layer of rubberised cord fabric. Also, they have much higher air pressure than a standard tire.
Do XL tyres last longer?
When an XL tyre is run at the pressure recommended by the vehicle manufacturer, it will last longer. These tyres are considered to have greater grip and better traction. Because they are more rigid, they will corner better and maintain stability.
What does the 98H mean on a tire?
The Tire Load Index and Speed Rating are part of the tire size. Lets take, for example, tire size 225/50 R17 98H (as pictured above). The 98H at the end represents the service description. The service description is composed of the load index and the speed rating.
What does 98V mean on a tire?
The 98V, listed after the above groups of digits indicates the load index (weight capacity) and speed rating of the tire. The number 98 indicates the tire can safely carry — when properly inflated — 1653 pounds. This scale ranges from a low of 60 (551#) to a high of 114 (2601#) for passenger tires.
What does 102T mean on a tire?
Load Rating
A tire with a 101H load and speed index is rated for a maximum load carrying capacity of 1,819 pounds. A tire with a 102T rating is capable of safely supporting 1,874 pounds.
What does 91W mean on a tire?
Exotic Sports Cars. While a Z-speed rating still often appears in the tire size designation of these tires, such as 225/50ZR16 91W, the Z in the size signifies a maximum speed capability in excess of 149 mph, 240 km/h; the W in the service description indicates the tire’s 168 mph, 270 km/h maximum speed.
What happens to tires after 10 years?
Per BRMA, unused tires over six years old should never be put in service, and all tires should be replaced after 10 years from their date of manufacture. JATMA recommends inspection after five years and replacement after 10, regardless of treadwear and overall condition. The original spare tire for Jeff’s Corvette.
Do tires go bad if not used?
If not used, tires last for 6-10 years, depending on the storage and environmental conditions. … The National Highway Traffic Safety Administration (NHTSA) and official manufacturers suggest a tire is only 100% safe to use until it turns 5-6 years old.
Can 12 year olds drive on tires?
There’s no federal safety guidance on when a tire is too old to be safe, but many car manufacturers recommend replacement at 6 years from the date of manufacture. The current tires on your Mustang are way past due for replacement regardless of the tread depth.
Are 7 year old tyres OK?
When in use, it is recommended that tyres are replaced when they reach 7 – 10 years old, (6 years in the case of caravans or trailers). On the sidewall you will find a tyre’s ‘DOT code’. One of the key pieces of information that can be gained from this is the date the tyre was manufactured.
How do I tell the age of my tires?
To determine the age of your tires, check the last four digits of the U.S. The U.S. Department of Transportation (DOT) number stamped on the tire’s sidewall contains a date code that identifies the age of your tires.
How can you tell when a tire was manufactured?
You can check the first two digits of the DOT code to know the week of the manufacturing. The last two digits will reveal the manufacturing year. For instance, when it was written in 0203, the manufacturing year was 2003.
How do you tell a tyres age?
All the information you need to find out the age of your tyres is located on the tyre sidewall. Look for the letters DOT then a number code. This production code will tell you the age of your car tyre: the first pair of numbers are the week of manufacture and the second pair are the year.
