Moderated Discussion Areas
  ContinuousWave: Whaler Performance
  Trailer tire pressure

Post New Topic  Post Reply
search | FAQ | profile | register | author help

Author Topic:   Trailer tire pressure
Mark Gallagher posted 04-19-2003 11:17 AM ET (US)   Profile for Mark Gallagher   Send Email to Mark Gallagher  
I am having brain fade. I upgraded from bias ply to Goodyear 205/75/14 Marathon radials a few years ago and can't remember proper cold tire air pressure.

Side wall indicates max pressure at 50 psi.
What do you recommend?


JBCornwell posted 04-19-2003 11:39 AM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
Not less than 40psi. I would run them at 45psi.

Red sky at night. . .

lhg posted 04-19-2003 06:53 PM ET (US)     Profile for lhg    
The rated capacity of a trailer tire is at it's full stated inflation PSI. If less pressure, capacity will be less. So determine your total load, including trailer weight, and inflate accordingly. This will give you even tire wear. Over inflation for load will wear the center of the tire. Under-inflation for load will wear the edges.

I run my 14" Goodyear Marathons at 50 PSI cold, because I need the full capacity.

Dr T posted 04-20-2003 06:54 PM ET (US)     Profile for Dr T  Send Email to Dr T     
A further note: A trailer tire that is under-inflated will tend to flex its sidewalls. On hot summer days, this flexing will make the tires get REALLY hot--so much so that the tires will catch on fire. When the tire starts burning, the boat is not far behind.

Always check your tire pressure before going on a long pull.


goodad posted 04-21-2003 09:34 AM ET (US)     Profile for goodad  Send Email to goodad     
Ditto to the underinflated..Brain dead after a long winter forgot to check tire pressure..I was lucky, tire heated and flew off and I was on the rim..Changed to spare and limped to gas station and corrected the situation..Heat was unbelievable..No less than 40psi for me.
triblet posted 04-24-2003 10:30 PM ET (US)     Profile for triblet  Send Email to triblet     
I'll throw in my vote for 45 PSI. Use a good
pressure guage -- the cheap ones vary all
over the map, both from gauge to gauge and
reading to reading with the same gauge.

Watch the wear pattern. If the center wears,
drop the pressure a little. If the edges wear (unlikely at 45 psi), raise it a bit.


JoeH posted 04-27-2003 02:35 PM ET (US)     Profile for JoeH  Send Email to JoeH     
As a side note, what do you do as for rotating trailer tires or is it even necessary? I was thinking of side to side or putting the spare on and moving one of the other tires from the axel up to spare. Joe
Dr T posted 04-28-2003 01:27 AM ET (US)     Profile for Dr T  Send Email to Dr T     
I don't worry about it--but then I might pull my trailer 1000 to 1500 miles in a really big year. My tires are more likely to fail from old age than tread wear.
simonmeridew posted 04-28-2003 08:38 PM ET (US)     Profile for simonmeridew  Send Email to simonmeridew     
Another thing to check with trailer tires: get a nice balence job done. Otherwise your electronics (and bow rail) will self destruct.

Post New Topic  Post Reply
Hop to:

Contact Us | RETURN to ContinuousWave Top Page

Powered by: Ultimate Bulletin Board, Freeware Version 2000
Purchase our Licensed Version- which adds many more features!
© Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000.