Air pressure in LT rated tires on a 1/2 ton pickup?

I run 50 psi in my Tundra with Cooper AT3 LT's

I have Toyo Open Country 2 on my Sequoia. Run them at 40lbs

The Coopers have been fine. Only put about 7500 miles a year as its pretty much a weekend truck, might have 20k on them now. Had it in the Rocky's elk hunting in the snow with no issues. All of the 4x4 3/4 tons were sliding down the mountain and we were fine. Drive it around the farms in Illinois deer hunting with no issues. Never been stuck but never really put them in a situation to get stuck`

Go by the door sticker, or do the chalk test to find the best pressure for your weight. Usually they list max pressure on the sidewall, that is the pressure you would use if you were carrying the max weight the tire is rated to carry.

Some manufacturers have a chart you can download showing what their recommended pressure is at different axle loads. Many only do it for the larger truck tires though.

What load range rating are the ones you have? If they are the same or like one higher to the load range of what you had on there the door psi is going to be very close.

It’s a regular discussion point for 3/4 tons and bigger with load range E and higher tires. My door says 60 something for the front and something like 65 or higher for the rear I believe. But those numbers are for the truck being at max capacity. I can’t run over 55 all around without bouncing all over the place unloaded.

The chalk test is really the best method for setting the pressure, if you don’t have a weight and pressure chart.

Run mine at 40 most of the time. Air up as needed depending on load. Air down if I’m going to be off pavement for a while or if it’s real sketch.

Run mine at 37-38 at start up and they usually get to about 40 psi after they build up pressure.