The “4. In this case, the tire is 4. The next digit represents the wheel size the tire will fit. This tire is meant for trailer wheels that are 8 inches in diameter. The numbers 4. Finally, the numbers 4.The difference between the two size of 4. This translates into one less inch of fender clearance since the diameter of a tire is split on either side of the spindle.The proper amount of pressure in a 4. B tire would be 60 psi. This should be listed somewhere on the sidewall of the tire. Unlike passenger car tires, trailer tires should be kept inflated to the maximum pressure as stated on the tire itself. Should trailer tires be inflated to max PSI? Trailer tires should be inflated to the maximum inflation designated on the tire’s sidewall to reach full load carrying capacity. Remember, the air within your tire is actually carrying the weight!
How to figure out trailer tire size?
The tire size is listed on the side wall where the red arrow is. Keep in mind that trailer tires are “ST” tires (Special Tire) therefore your tire size will start with ST. An example of a tire size would be ST205/75R14. The wider a tire is the more contact it makes with the road and the more contact with the road the more you are going to feel bumps as you travel. A 4.Tire diameter can vary slightly for each tire model. The listed diameters are from calculations based on the tire size. When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire.
What is the maximum speed for 8 inch trailer tires?
They are also typically speed rated to 65 mph max so highway speeds are perfectly doable. Speed rating 65 mph.This indicates the tyre’s width in inches. In this case, the tyre has a width of 4. This represents the tyre’s load index, indicating its maximum load capacity. A higher number indicates a higher load capacity. This denotes the tyre’s rim diameter in inches. The numbers 4.Tire Width, Tire To Rim, Rim Diameter – This is written like 4. So this wheel is 4.