50-8, the first number 18 is the total diameter (outside height) of the tire in inches. The second number in the example 9.50 is the actual width measurement of the tire itself. The third number in the example 8 is the measurement in inches of the rim that this particular tire fits. To sum this up, a 18×8.
What do tractor tire size numbers 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 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.
How tall is a 9.5 16 tractor tire?
|Width||9.5, 9.50, 950|
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 size are tractor tires?
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.
How do I measure tire size?
The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.
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.
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.
What does the R stand for in tire size?
If your tire size starts with LT rather than a P than it identifies the tire as a Light Truck tire. 225 identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters. … R indicates the construction used within the tires casing. R stands for radial construction.
How tall is a tractor wheel?
To sum this up, a 18×8. 50-8 tire is 18” inches tall, is 8.5” inches wide, and mounts correctly on an 8” diameter rim.
Where are Cropmaster tires made?
Tire jockey tells me they are made in China and he has sold hundreds of them.
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.
How tall is a 17 inch tire?
|17 INCH TIRES||TIRE HEIGHT|
|225 35 17||23.20|
|245 35 17||23.75|
|315 35 17||25.68|
|335 35 17||26.23|
Can I use 215 tires instead of 205?
Nope. The nominal diameter of the 215’s is 1.7% greater than that of the 205’s. The sidewall height is a percentage of the width of the tire, so a 55 series is taller with a wider tire.