Replacing a damaged or worn-out lawn tractor tire is easy to do, and a whole lot easier than taking the tractor in to be serviced at the dealership or local repair shop. The first step is to find the right replacement tire. When you are shopping for new lawn tractor tires, there are four primary considerations: tire size, ply-rating, the type of terrain and traction requirements, and of course, the price.
Like any other tire, lawn tractor tires have a series of numbers molded on to the side that spell out specific details about the tire. There are two different sizing systems: two-number system, and three-number system.
Lawn tractor tires using the two-number system display numbers as 4.80-8, for example. This means the tire’s width is approximately 4.8 inches and the rim is 8 inches in diameter. Those are the only two numbers you need to find the right size replacement tire.
The three-number lawn tractor tires numbering system works a bit differently. 15×6.00-6 is a common size. 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. Note that the last number is width, not diameter of the rim. This is always the case with three-number sizing for lawn tractor tires and other garden equipment tires.
There are three main classifications of tread pattern types for lawn tractors: mixed-use turf tires, knobby all-terrain tires, or ribbed tires.
You can find a large difference in the price of lawn tractor tires. This is due to factors like the brand name, the associated features and benefits, and even the country of manufacture. A few minutes of online research to see typical prices for your specific size of tire will be helpful to manage your expectations and to set your budget. This will likely determine if you are going to buy a premium name brand, or if you are better suited to a cheap tractor tire made in china. Small lawn tractor tires can be found for as little as $20, and can run as high as $60 or $70.
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Example 2:18 x 50 – 12″
Golf cart tires, lawn mower tires, and other lawn/garden tires are often marked in this manner. Other examples include 11 x 4.00 x-5″ and 9 x 3.50-4″ tires
18 = refers to the diameter of the tire, in inches
8.50 = refers to the width of the tire, in inches
12″ = refers to the diameter of the rim, in inches
Again, there may be some variation in sizes between the tire label and the actual tire size
Example 1: 4.10/50-4″
This type of nomenclature is used commonly with handtruck tires and wheelbarrow tires, as well as other material handling and lawn/garden tire applications. In this case the diameter of the tire is not mentioned, but can be calculated by adding the rim diameter and two times the distance from the outside edge of the tire to the edge of the rim. In our particular example, the wheel diameter is equal to 4.1 + (2*3.5) = 11.1 inches
4.10 = refers to the width of the tire, measured in inches
3.50 = refers to the distance from the outside edge of the tire to the outside edge of the rim, in inches
4″ = refers to the diameter of the rim, in inches
It should be noted that tire sizes in the industry are not exact. It is not unusual for tire dimensions to be slightly different than the tire markings. For example, a 4.80/4.00-8″ tire typically has a 15.5″ diameter rather than the 16″ diameter you would expect. However, it is considered an adequate replacement as it meets industry standards.
Tyre Size
Lets first look at the tyre size. You may think that all wheelbarrows have the same size but that is not always the case.
To find the size, we need to check to see what is stamped on the side of the tyre. It will most likely look something like this,
The most common size format that could be stamped on the side your wheelbarrow tyre is usually 2 numbers that are separated by a hyphen or alternatively, 3 numbers separated by a slash and a hyphen. A good example of one the most common wheelbarrow tyre sizes is the 4.80/4.00-8.
The first number, 4.80, usually refers to the height of the sidewall of tyre which is also known as the section height. If you times this number by two and add the rim size, in this instance it is an 8 inch, you will get an approximate overall height of the tyre. Keep in mind this is not an exact measurement, as it can vary +/- 10% depending on the brand.
The second number, 4.00, usually refers to the width of the tyre, which again, can vary +/- 10% depending on the brand.
The last number, 8, will always refer to the height of the rim.
An inexpensive wheelbarrow tyre option in this size is the Deestone D602, which are available on GEO Tyres.
You may be looking at your current wheelbarrow tyre and only seeing 2 numbers such as 4.00-8. Is this the same size as a 4.80/4.00-8?
In most cases, a 4.80/4.00-8 and a 4.00-8 will both have an approximate height of 16 inches.
If you have a more heavy-duty wheelbarrow or carry more weight than your standard garden clippings, then you may have a larger and wider than standard wheelbarrow tyre. This will most likely be a 16×6.50-8, which is the most common for these larger wheelbarrows. The same format applies to the 16×6.50-8 as it does for the 4.80/4.00-8 – 16 equals the height, 6.50 equals the width and 8 equalling the rim height.
An inexpensive wheelbarrow tyre option in this size is the Kenda K358, which are available on GEO Tyres.
FAQ
What size is a 4.80-8 tire?
What do the numbers mean on a wheelbarrow tire?
What size is a 4.00-8 tire?
To get the tire size, measure the outside diameter of the tire. Sometimes, the overall tire size is written along the sidewall of your tire.
How do I know what size my wheelbarrow tire is?
To get the tire size, measure the outside diameter of the tire. Sometimes, the overall tire size is written along the sidewall of your tire.