This is an absolute rule.
Tire loads inflations part 2 marble.
Here we find the details of valve stem designs as specified by tra.
Selecting the correct tire pressure on multi axle trailers.
We at fifth wheel street no longer recommend adjusting trailer tire inflation pressure below the pressure associated with maximum load psi rating molded on the sidewall and only if the wheel rim is appropriately rated for tires that have a maximum of 85 psi or less regardless of the measured scaled weight of individual tire or axle.
Load xl tires without the p in front of the size euro metric tires e g.
I have always considered the cold psi on the side of my 22 5 rv tires to be the minimum to carry the maximum rated load.
205 55r16 94h if the service description on your new tires is higher than your stock tires you re fine running the tire pressure listed on your vehicle s placard.
This is the book where all the load inflation tables come from and might be considered the tire engineer s bible and is used by tire engineers around the world when they are making tires that are intended to be used in the us.
Since a tire s load carrying capacity is related to the tire s size and how much inflation pressure is actually used maximum loads are rated with the tire inflated to an industry assigned inflation pressure.
Thank you for all of your informed comments regarding proper tire care.
If any tire is overloaded you should not.
Roger marble spent 40 years in the tire industry working for a major.
I need one clarification.
Assuming no tire is overloaded we want to make sure that all.
By roger marble i got this question from a reader of an rv forum.
The max load molded on the tire sidewall.
This is the book where all the load and inflation tables come from and might be considered the tire engineer s bible it is used by tire engineers around the world when they are making tires that are intended to be used in the u s.
A tire s maximum load table 2 is the most weight the tire is designed to carry.