When I went through this, the chart for Marathon was the same as for Endurance. Neither made sense. It's based on load per tire.
The chart, if you follow it, calls for something like 35 pounds pressure.
Since we don't believe that, we just pick a number we're comfortable with.
Keep in mind the Marathon is a speed rated "D" which means 65 mph max.
Quote:
Originally Posted by slowmover
Those tables don’t apply to trailer service. Inflate to maximum per tire sidewall.
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There are charts for trailer tires.
In the chart below, the column "single" refers to single vs. dual, not single axle.