What should the PSI be in the trailer?

Cummins12V98 wrote:

Lantley wrote:
The issue with all this dialing in and weighing is that it does not give you any added margin. I don't want my tires to be exactly at their capacity. I want a bit of additional capacity or safety margin.
When I hit a run of pot holes and rough roads I want my tires to be able to withstand the additional impact.
My G rated Sailun's are up to the challenge. Aired to 110 PSI I have lots of margin to withstand the rough roads. MY E rated OEM tires were not up to the challenge and I ended up with blowouts forcing me to seek a better tire.
G rated Sailun's aired up to 110 have resolved all my tire issues.
No charts or individual wheel weights required.
I had the same issue with my prior RV. The D rated tires were not up to the challenge, but E rated tires aired to the max resolved my blowouts issues once again.
In the end you can weigh and air to match some mystical chart if you like but I will go with the max. PSI method.
I am referring to RV trailers only. Most other trailers have totally different characteristics and aerodynamics, the max. pressure method may not apply

Do you run your 4 rear truck tires at their MAX 80psi?

Bottom line RUN QUALITY TIRES!

I have never had a flat or blowout on a RVtire EVER.

There is a lot of truth in your run quality tires comments.If only the manufacturers would listen to you.
Within the last couple of years the manufacturer have started to use better tires. Sailun and Endurance are now OEM for some units.
Prior to that, units left the factory with lots of junk tires.
Eventually the owners figure out they need to replace there brand new tires with quality tires. There is a reason OEM tires are referred to as "China Bombs"
I eventually figured out I need to buy quality tires to replace my OEM junk, but it did not happen overnight.