Quote:
Originally Posted by rickst29
Typical result? My 15" Marathon tires, on a heavily loaded 2619, should be pumped up to only 45-50 lbs. That's according to Goodyear, and they know their tires. The sidewall max is 65 lbs, and using that figure will shake your contents (and torflex axle) in the manner of Fred Flintstone's vehicle. Lots of TM owners just pump their tires to the max, and old TM manuals used to say that in the instructions. (I don't know if they still do.) Legally safer for them, but not really the right thing to do.
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The reason that TM used to recommend max PSI was because they originally used 14" tires that were typically maxed out when in service. Since switching to 15" tires with a higher rating (which they should have done 10 years ago) it has become less critical to run at max PSI.
As you stated........it is important to get the rig weighed so that one is using the correct values in the calculation as apposed to using the trailers "Dry weight" (as so many do) or guesstimating.