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Trailer tire help

Posted on 5/20/23 at 10:57 am
Posted by Dtiger19
Member since Dec 2007
764 posts
Posted on 5/20/23 at 10:57 am


Trying to put new trailer tires on my boat trailer but there is no clearance between the new tire and the fender well. The new tire is the ST215/75 R14 the old tire was ST215/75 D14.
Is this the wrong size tire for the trailer? When I bought the boat that’s what size was on it so I just replaced with the same.
This post was edited on 5/20/23 at 11:01 am
Posted by Lsutigerturner
Member since Dec 2016
5813 posts
Posted on 5/20/23 at 10:59 am to
U may be fine with a impact gun and shift back the axle a inch or two and make sure it’s centered
Posted by dstone12
Texan
Member since Jan 2007
30451 posts
Posted on 5/20/23 at 11:01 am to
DS&Fit will tell you.


But it Looks like your axle is set back and I cannot tell what tire soze the old one is.

Posted by Lsutigerturner
Member since Dec 2016
5813 posts
Posted on 5/20/23 at 11:01 am to
It may be that who ever serviced the boat trailer before you bought it replaced the Ubolts and accidentally put it forward an inch or two. Very simple and easy to do
Posted by keakar
Member since Jan 2017
30108 posts
Posted on 5/20/23 at 11:17 am to
quote:

It may be that who ever serviced the boat trailer before you bought it replaced the Ubolts and accidentally put it forward an inch or two. Very simple and easy to do



just measure both sides of the axle to the rear crossbar of the frame to be sure its all square and will ride true without pulling to one side.

if the old tire tread hasnt worn crooked, then the whole axle was installed off centered, it happens, and its easy to fix
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 5/20/23 at 11:24 am to
quote:

Is this the wrong size tire for the trailer?


No. The right tire size is the biggest one that'll fit. Either the fender or the axle or both are not where they should be. Get a tape measure and figure out what is out of place.
Posted by Dtiger19
Member since Dec 2007
764 posts
Posted on 5/20/23 at 12:15 pm to
Appreciate the help, I didn’t know wtf was going on.
Posted by bigbuckdj
Member since Sep 2011
1835 posts
Posted on 5/20/23 at 2:21 pm to
I’d recognize that trailer and Kenner tribal tat anywhere. Be warned, if the u bolts are original that may be toast, also my welded brackets that hold the bunk boards were toast.
Posted by jorconalx
alexandria
Member since Aug 2011
8627 posts
Posted on 5/20/23 at 3:34 pm to
Your axle is off, or your fender. How did the old tires wear?
Posted by Dtiger19
Member since Dec 2007
764 posts
Posted on 5/20/23 at 4:12 pm to
quote:

How did the old tires wear?

Not really worn bad but both the inner and outer sides are worn more than the center. They are 3.5 years old and one got a bubble in the sidewall so I was replacing both.
Makes sense that something is off though. When I got the boat 3.5 years ago I ordered new tires and my uncle replaced the tires and u bolts on it.
Posted by jorconalx
alexandria
Member since Aug 2011
8627 posts
Posted on 5/20/23 at 5:52 pm to
I would check your u bolts and recenter the axle. The tires still look big. Not much clearance
Posted by gerald65
Moss Bluff, LA
Member since Jul 2020
710 posts
Posted on 5/20/23 at 8:42 pm to
quote:

U may be fine with a impact gun and shift back the axle a inch or two and make sure it’s centered


First ..... Is tire on the other side also close to rubbing on the finder?

When you measure the axil, if it is square, look to see if the fender can be moved back.

If you do need to move the axil, take a pensile and mark where the axil is located now and put a mark where you want to move it to. If you have a jack that can lift up the trailer frame and boat, this will take weight off the axil and make it easier to move the axil after you loosen the bolts.
Posted by keakar
Member since Jan 2017
30108 posts
Posted on 5/21/23 at 2:11 pm to
quote:

Not really worn bad but both the inner and outer sides are worn more than the center.


thats a sign you rode on them underinflated most of the time. if the inside wore faster than the outside that would indicate being over inflated.

since the wear was even on both sides of the tires then that indicates the axle wasnt crooked with the frame so it was most likely off center from the day it was bought. my last trailer was like that, first thing i did after getting it home was to adjust the axle position since the fenders were fixed and not adjustable.

any update on what you did to fix it?
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