For example, an “E” load range indicates that a tire is equivalent to a 10-ply construction tire. In realitly, this tire is not built with 10 plies, but rather one or two plies of equivalent strength.
What's Better: Load Range D or E? Load range D and E tires have different weight capacities. For example, a load range D tire can handle 1,220 lbs at 65 PSI, while an E tires carry loads at 80 PSI. If looking at their load durability, load range E tires are better, but that is the only difference between them.
Brands mark load range E tires to indicate that their durability is equal to 10-ply tires. This means that the plies located in the tire's sidewall are able the handle the same stress as 10 plies can. The load range E weight capacity is 1,520 lbs at 80 psi.
The difference between a load range E and load range F tire of the same size, 235/85-16, is the weight capacity and pressure. The Karrier Radial Tire, Load Range E, # AM10295, has a capacity of 3,640 pounds at 95 psi. The Load Range F Tire, # AM10501, has a capacity of 3,960 pounds at 95 psi.
At a minimum, Load Range E tires are capable of safely supporting about 3,000 pounds. So, in the case of a dualie (six wheels), the tires collectively will provide more than sufficient grip for safely towing 18,000 pounds.
A Load Range E tire is recommended, and we would be very careful about airing down too much if traveling at more than crawling speeds. There is still value to running a Load Range E tire on a lightweight off-road vehicle.
To summarize: ply ratings and load ratings are systems of measurement for load carrying capacity. Load Range E tires are equivalent to a 10-ply tire.
Are 10 ply tires better in this aspect? Yes, we believe they have stronger durability than the other ones. Because of its main purposes, off-road rides and heavy transportation, the 10-rated tire's structure is stiffer, especially the tire sidewall.
At 80psi, a 265/75R16 10ply itire will carry 3,085 pounds of load. At 60 psi on a 10ply tire, the tire's load carrying capacity is reduced to 2,314 pounds per tire. If the customer runs 65 psi in a 10 ply tire, his capacity is now able to carry 2,507 per tire.
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To roughly determine the tire load range capacity for each individual truck tire, take the vehicle's gross vehicle weight (or GVW) and divide by four. If the vehicle gross weight is 4,500 pounds, each tire should be able to safely support at least 1,125 pounds.
Therefore load range simply tells how tough the tire is and the allowable PSI. For example, an “E” load range indicates that a tire is equivalent to a 10-ply construction tire. In realitly, this tire is not built with 10 plies, but rather one or two plies of equivalent strength.
What load range is a 16-ply tire? The load range of a 16-ply tire is category H. This means they can have a maximum PSI of 120 and a weight capacity of 6,100 pounds per tire.
12-ply tires are built to be stronger and longer lasting than 10-ply tires and are shown in many aspects, including durability, performance, range, puncture resistance, heavy loads, and more. The thicker the additional layers, the stronger the tire wall is, enhancing its resistance to load range.
PLY RATING
This number correlates to the maximum safe carrying capacity of the tire when it's inflated to its maximum pressure. Higher load index ratings mean your tires may be able to handle a heavier load.
You need a LT tire. Depending on your trailer and weight, you want either D load range (8 ply) or E (10 ply). The LT will hold up to the stresses of towing much better, and ultimately what you select should be based on your axle weights when hitched to your trailer.
The load range is “E,” which means it has a ply rating of 10 and a load pressure of 80 psi, and the speed rating “P,” which means that it has been approved for speeds up to 93 mph under optimal conditions. A “P” speed rating is uncommon and usually means that it is a winter tire or oversized tire.
All load range “C” tires (the old “6-ply” rating) can be inflated to 50 psi, “D” (8-ply) to 65 psi and “E” (10-ply) to 80 psi.
E-rated tires have much stiffer sidewalls and will be much more puncture-resistant. The downsides are the weight (un-sprung weight is the hardest on fuel economy) and the fact that they don't air down very well, especially on a lighter vehicle.
An “LT” on your sidewall before that long string of numbers and letters denoting your tire size signifies the tire is a "Light Truck-metric" size; it was designed for use on a vehicle that carries heavy cargo loads or tows a large trailer.
We've seen E load range tires with a load index of just 109 (2,271 pounds per tire), but D load range tires with a 118 load index (2,910 pounds). Long story short, load range isn't the end-all, be-all for a tire's load carrying ability.