# How do you read a tractor tire?

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## What do the numbers on tractor tires mean?

The three-number lawn tractor tires numbering system works a bit differently. … The first number before the “x” indicates the tire’s diameter when inflated and not under load. The middle number between the “x” and the “-,” indicates the tire’s width. The final number indicates the width of the rim.

## How do you read tractor tire size?

Locate your tire size on the sidewall of the tire. The first number represents the overall WIDTH when mounted and inflated to the proper air pressure but it is measured in millimeters. Divide this number by 25.4 to convert to inches. This will become the second number for a traditional tractor tire size.

## How do you tell how old a tractor tire is?

Date Code

– First two numbers – This is the week your tire was made. – Last two numbers – This is the year your tire was made. – “0819” 0 Indicates a tire manufactured on the 8th week of 2019.

## How do you read a semi truck tire?

The height of the tire isn’t just listed like the width. Instead, it is written as a ratio of the width of the tire. So in the example, after the slash is ’70. ‘ This means that the tire’s height, from the rim to the edge of the treads, is 70 percent of the tire’s width.

## What does 4.00 mean on a tire?

The two most common sizes are 4.00 – 6 and 4.10 – 6. 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 SL mean on tractor tires?

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

## How do I know if my tractor tire is bias or radial?

A radial tractor tire is designed as a two-part construction allowing the sidewall of the tire to flex independently of the face or tread area of the tire. A bias tractor tire is designed with a single ply wrapped diagonally from one side of the tire to the other.

## How do you read the date code on a Firestone tire?

The last four digits of this code tell you when your tire was manufactured. The first two numbers indicate what week of the year it was made (out of 52 weeks per year), and the second two numbers represent the year.

## What are R4 tractor tires used for?

R4 tires, also known as industrial tires, are wide and durable tires designed primarily for use on hard surfaces like pavement and gravel. In terms of tread depth and lug spacing, they fall in between R1 and R3 tires.

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## How much does a tractor tire cost?

How much do tractor tires cost? A radial design tractor tire from Titan Tire Corporation has an average retail price of US\$1,600 to US\$2,900. Some new tires might come cheaper at US\$400, but still, it costs a fortune for many. Buying used tractor tires will save you from breaking your bank.

## How many inches are semi truck tires?

Common sizes are 19.5, 22.5 and 24.5 inches. Truck wheels also come in several widths; a tire size chart should be consulted to match the tire size and wheel width.

## How many tires are on a semi truck?

A typical big truck has 18 wheels – 18 rim/tire combinations. It has one wheel and tire on each front position. Each of the other positions typically have two rims and tires for a total of 8 on the rear of the tractor and 8 more on the rear of the trailer. For a total of 18 rims and 18 tires or 18 wheels.

## How are truck tires measured?

Most truck tire sizes are indistinguishable from car, SUV, or CUV tire sizes. The basic format is equivalent: Section width (in millimeters) “225,” aspect ratio of sidewall “45,” then tire and wheel diameter “17.”