## What do the numbers on trailer tires mean?

Sizes 12 inch and smaller are generally listed by a two number size, such as 4.80-8 or 5.70-12. The first number in this size is the width of the tread, the second number is the size of the rim that it mounts on. Large size trailer tires are made up of three numbers.

**What are 10 ply trailer tires rated for?**

Understanding the tire ply rating system helps you understand how your tires support the weight of your vehicle (called load range or load index). If you drive a ¾ ton, one ton or even larger pickup or SUV (or haul a trailer) then you require 10-ply tires.

**What is the difference between 4 ply and 10 Ply tires?**

10-ply tires are way beefier than 4-ply tires which means that they ought to last a lot longer if used for off-roading, hauling, or towing purposes. 10 ply tires excel when it comes to towing and hauling because they are better able to control the load without swaying at speed.

### What load range is a 6 ply trailer tire?

at 35 p.s.i. A Load Range C means a 6 ply rated tire with a maximum load of 1,760 lbs. at 50 p.s.i.

**What is Load Range C trailer tires?**

A load range ‘C’ tire, for example, is at its peak load capacity—possibly 1600 pounds—when it’s inflated to its maximum pressure of 50 PSI. A load range ‘C’ tire at 25 PSI might be able to support a load of 990 pounds, while at 40 PSI, that capacity could be 1300 pounds.

**How much weight can a load range D trailer tire carry?**

The D load range is rated for 2,540 pounds at 65 psi. And the E load range is rated for 2,830 pounds at 80 psi. If you had a single axle trailer with a gross weight rating of 5,000 pounds, you would use the D or E tires in this size since the C tires would be under rated for the weight.

#### How much weight can a 4 ply tire hold?

In other words, it’s the amount of weight your tire can support safely. For example, if a tire has a load index of 92, it can support 1,389 pounds at maximum air pressure. Multiply that by four tires (4 x 1,389 = 5,556 pounds) to get your car’s maximum load carrying capacity.

**Are 10 ply tires better?**

**Is load range B or C better?**

A load range C tire will have a higher capacity than a load range B tire of the same size.

## What do the numbers on a trailer tire mean?

The “225” indicates the width of the tread in millimeters, while the “75” is the height of the sidewall represented as a percentage of the tread width. And finally, the “R” means it’s a radial tire that mounts on a size “15” rim. Now, if you have a smaller trailer, you’re trailer tire might have a short combination.

**How do I know what size tires for my trailer?**

After you examine the tire’s sidewall, you’ll see a combo of letters and numbers above the lettering “For Trailer Use Only.” This combo tells you the size that fits your trailer’s needs. Let’s quickly walk through an example to guide you through this process. So, let’s say the combo spells out “ST205/75R15”.

**What is the load range of my trailer tires?**

For most trailer tires, the load range is going to either be B, C, D, or E. Let’s say you have a single-axle trailer and your tire’s load range is classified as load range C which can carry up to 1820 pounds; this means you can tow up to 3640 pounds. Of course, this maximum towing capacity includes the weight of the trailer itself.

### How much weight can single axle trailer tires carry?

You see, single axle trailer tires can carry 100% of the load rating. So, if your trailer tires have a load range of C, then they can safely carry 3,640 pounds (depending on the tire manufacturer’s specifications). On a double axle trailer, you need to decrease the load range by 12%.