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Jul
Maximum tire pressure indicates the highest you can inflate the tires but do not fill your tires to this pressure. As evidenced by its name the standard load range is the most common.
Passenger tires are typically manufactured in one of three load ranges standard load light load and extra load or reinforced all of which could range from 2 to 4-ply tires.
Tire load range definition. Each set of tires is branded with their unique load range. The information needed to identify the load range for tires is right there on the sidewall. Passenger tires are typically manufactured in one of three load ranges standard load light load and extra load or reinforced all of which could range from 2 to 4-ply tires.
As evidenced by its name the standard load range is the most common. The load rangeply rating branded on a tires sidewall identifies how much load the tire is designed to carry at its industry specified pressure. Passenger tires feature named load ranges while light truck tires use load ranges that ascend in alphabetical order letters further along in the alphabet identify stronger tires that can withstand higher inflation pressures and carry heavier loads.
Therefore load range simply defines the tires toughness and maximum allowable air pressure as opposed to specific information about the actual plies being used. For example a C load range indicates that a tire is equivalent to a 6-ply construction tire. Tire load index is an assigned number that corresponds to the maximum weight that a tire can support when properly inflated.
The higher the tires load index number the greater its load carrying capacity. Choosing a tire with a lower load index than the original equipment specifications means that the tire will not carry the load capacity of the original. Load range is the older measurement standard of PLY Rating This refers to the construct of the tire which is made out of rubber and cord layers referred to as plies Historically more plies meant a tire had a larger load carrying capacity so manufacturers would count a tires plies and use this number to denote carrying capacity.
Theyre Now Called Load Range E Tires. New tires you can use this simple chart to refer to the modern term for load capacity ratings on heavy duty tires used on 34-ton and one-ton pickups and SUVs. 2 ply Standard Load 4 ply Extra Load 6 ply Load Range C 8 ply Load Range D 10 ply Load Range E For more information on.
The load ranges for passenger tires have a listing beneath the tire code with information about the maximum load range and tire pressures. The load range indicates the heaviest load the tire can handle in pounds. Maximum tire pressure indicates the highest you can inflate the tires but do not fill your tires to this pressure.
The load index is the maximum amount of weight that an individual tire can carry. Because load indexes for a given tire size may vary it is important to check to be sure the tire youre considering meets or exceeds your specific vehicles manufacturers requirements. Load range is an indicator of a tires strength and defines the tires load carrying capacity and inflation pressure.
Light Truck LT-type sizes come in different load ranges identified by ascending alphabetic letters starting with A. As the letters ascend the tires are designed to carry more load and utilize higher inflation pressures. The tire load index rating communicates how many pounds a tire can safely carry.
Going back to the Audi example the cars service information is. 94 indicates the load index. Referring to the tire load rating index chart below the number 94 translates to a load-carrying capacity of 1477 pounds per tire.
For Load Range B tires ETRTO ISO-Metric standards specify the load index rating at an inflation pressure of 36 psi 250 kPa table below while P-Metric standards measure the load capacity at an inflation pressure of 35 psi 240 kPa. The two standards vary slightly with the capacity required for different inflation pressures. In other words its the amount of weight your tire can support safely.
For example if a tire has a load index of 92 it can support 1389 pounds at maximum air pressure. Multiply that by four tires 4 x 1389 5556 pounds to get your cars maximum load carrying capacity. A tire with a lower load index than the Original Equipment tire indicates the tire does not equal the load capacity of the original.
Typically the load indexes of the tires used on passenger cars and light trucks range from 70 to 126. The Load Rating or Load Index indicates how much weight each tire can safely support. Every tires load rating is stamped into its sidewall usually after the words Max Load.
Sometimes this will be given in pounds lb or kilograms kg but it is often given as a rating code a number between 71 and 110. A numerical code associated with the maximum load a tire can carry at the speed indicated by its speed symbol rating under specified service conditions up to 210 kmh. Special reduced loads apply for speeds above 210 kmh.
Read more on tire load index. Keep in mind that going to a higher capacity tire does not increase the capacity of the trailer. If we are looking at ST22575-15 tires as an example the C load range is rated for 2150 pounds at 50 psi.
The D load range is rated for 2540 pounds at 65 psi. And the E load range is rated for 2830 pounds at 80 psi. Trailer Tire Speed Ratings Load Capacity 65mph.
Unlike automotive tires all ST tires are tested and rated at by the DOT at 65MPH. This 65MPH test allows the tire to qualify as a high speed tire. Every ST Trailer Tire you see on the highway goes through this exact same test regardless of tire size or manufacturer.
A tire with a lower load index than the Original Equipment tire indicates the tire does not equal the load capacity of the original. Typically the load indexes of the tires used on passenger cars and light trucks range from 70 to 126. Load Index Pounds Kilograms Load Index Load Reduction of Euro- P-Metric Tires on Light Trucks Tire Rack.