My Toyo OC M/T 38x13.50R18LT D are 2910# @ 35psi, 3750# @ 50psi.
The OEM supplied E load LT265/70R17 had 2910# @ 65psi, 3195# @ 80psi.
I run the 38" MT at 35psi for normal usage and for when I add load to max capacity of the truck, I only inflate to 39psi for the rears, which equals the max...