# Best answer: What do the numbers on tractor Tyres mean?

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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 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 4.80 4.00 8 mean on a tire?

The numbers 4.80/4.00-8 read like this: 4.80″ is the tire width, 4.00″ is the tire section height (from the inside of the donut hole to the outside) and the 8″ is the wheel diameter. Finally, the numbers 4.80-8 read like this: 4.80″ is the tire width and “8 is the wheel diameter.

## 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.

## What are the different types of tractor tires?

4 Kinds of Tractor Tires & How They Work

• Agricultural Tires. Also known as “ag tires,” these tractor tires have diagonal treads, which are angled at 45 degrees. …
• Turf Tires. These tires are explicitly designed for lawns and grass surfaces. …
• Construction Tires. …
• Industrial Tires.

11 мар. 2019 г.

## How do you measure tire width on a tractor rim?

1. To determine the width of your rim, measure on the inside from bead to bead, not outside to outside.
2. Measure the old rim BEFORE ordering, as other sizes could have been installed on your tractor at one time. …
3. Rims can be 2″ wider or narrower than the tire, I.E.

8 июл. 2014 г.

## Can I use 235 tires instead of 225?

Yes…that 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 you put different width tires on same rim?

To keep the suspension and speedometer functioning correctly, both the stock diameter and width of the wheels and tires needs to be maintained. As a general rule of thumb, it’s safe to fit a tire up to 20 millimeters wider than stock on the original rim.

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## 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.

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

A common sizing system for wheelbarrow and hand-cart tires are 2 numbers, separated by a hyphen. … The first number is the height of the tire sidewall, and the second number is the rim diameter. To get the overall diameter you need to do some math! 6 (rim diameter) + 4.00 (sidewall height) X 2 = 14 inches total diameter.

## What does 3.50 8 mean on a tire?

8″ is your, and my, rim size. This tube is for a rim (metal part of a wheel) which has a diameter of 8″, thus we are OK so far. In our cases, 3.50 refers to tire width and in this nomenclature case (“3.50 – 8”) 3.50 is also the distance from tire edge to the rim (or the sidewall distance).

## How wide is a 480 tire?

Tire size conversion chart
Inch size Metric conversion (mm)
31.5 800
35.4 900
Formula for metric to English conversion: divide the metric number (in mm) by 25.4 to get inches Example: 480-mm section width / 25.4 = 18.89-in. section width tire

## 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.

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## How much wider is a 275 tire than a 265?

Plus Sizes

265/70-17 275/70-17
Diameter inches (mm) 31.61 (802.8) 32.16 (816.8)
Width inches (mm) 10.43 (265) 10.83 (275)
Circum. inches (mm) 99.29 (2522.07) 101.03 (2566.05)
Sidewall Height inches (mm) 7.3 (185.5) 7.58 (192.5)

## Are wider tires better?

From a safety point of view, both types have their good sides: On a dry road, wider tires will offer more grip than narrow ones, but the risk of aquaplaning will be higher with wide tires. – In the winter, narrow tires are better under extreme conditions as they provide higher surface pressure against the road.