# Often asked: What Does The First Number On A Tractor Tire Mean?

## What do the numbers on tractor tires mean?

The three-number lawn tractor tires numbering system works a bit differently. The middle number between the “x” and the “-,” indicates the tire’s width. The final number indicates the width of the rim. Note that the last number is width, not diameter of the rim.

## What does the first number on a tire mean?

Tire Width Is the width of the tire measured in millimeters from sidewall to sidewall. The first three- digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.

## What does the 265 70r17 mean?

This number indicates that your tire has a width of 265 millimeters. 70. This number means that your tire has an aspect ratio of 70%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 70% of the width. In this case, the sidewall height works out to be 185 millimeters.

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## What do the 3 numbers mean on tire size?

B: TIRE WIDTH The three -digit number following the letter is the tire’s width (from side to side, looking at the tire head on) in millimeters. It’s the height of the sidewall measured from wheel rim to top of the tread, expressed as a percentage of tire width. In other words, it’s sidewall height divided by tire width.

## What does SL mean on tractor tires?

Subject: Re: implement tires. SL Stands for Standard load.

## What are the dimensions of a tractor tire?

Standard Size Expression The standard method of size expression is relatively simple, but not as descriptive as metric. An example of tractor tire sizes expressed in the standard format would be “14.9-42”. The “14.9” means the tire is 14.9 inches wide and the “42” tells us that this tire fits a 42-inch diameter wheel.

## Can you put different width tires on the same rim?

Wheels and tires are not interchangeable words. For instance, your vehicle has a set size of rims, but you can buy different sizes of tires to fit those rims, as long as the middle of the tires is the correct size. That being said, a vehicle with bigger rims will often be able to fit larger tires than other vehicles.

## Can I use 235 tires instead of 225?

Yesthat size will work 100% perfectly, as it is the exact same diameter as the 225 /75-16. 235 /70-16 is actually a shorter tire.

## Can I put 2 different size tires on my car?

Long story short: Yes, it is a problem to have two tires of different sizes on the front (or back) of your car. Having two different – sized tires on the same axle is generally not a good thing. Sometimes, people choose to put larger tires on the rear axle of their vehicle for handling reasons, cosmetic reasons, etc.

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## What does the last number on a tire mean?

The very last number in the sequence, “15,” is the diameter of the tire. This is an important number —this is the number you’ll refer to when you need to know your tire size! The “15” indicates that this particular tire would fit a rim with a 15-inch diameter.

## What’s the difference between 265 and 285 tires?

The larger 285 /70R17 tire in the photo above stands over an inch taller and is nearly an inch wider than the 265 /70R17 size. The width of the tread is also a half-inch wider. Many late-model domestic trucks accept this difference in size.

## How big is a 265 75 17?

Plus Sizes

265 / 75 – 17 265 /70- 17
Diameter inches (mm) 32.65 (829.3) 31.61 (802.8)
Width inches (mm) 10.43 ( 265 ) 10.43 ( 265 )
Circum. inches (mm) 102.57 (2605.32) 99.29 (2522.07)
Sidewall Height inches (mm) 7.82 (198.75) 7.3 (185.5)

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## Can I use 265 tires instead of 255?

The only difference between a 255 and a 265, like Wandell said, the tire is going to be 10mm wider. If you want a taller tire you need to look and see if it is a 55, 60, or 65 and that is where you get taller