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Trailer tires... 175 vs 185 will it matter?

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gb387

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479
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Iowa
My trailer has 185's on it now, are 175 going to create a problem, I would not think so? They​ are much cheaper but same load rating. This is a tandem axle trailer.

Anyone else chime in on this subject?
 

gb387

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479
Location
Iowa
That information does help, great, thanks!! If anyone else wants to jump in that would be great.
 

JPass

Well-Known Member
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1,276
Location
Orlando, FL
Water Crafts
2012 Challenger 210 SE
Our trailer had the 175s on it when we got her (trailer tag reference 185). I have since swapped the tires with the same as I did them one axle at a time. So far everything has been fine. If we ever replace them again, I'll be putting on radials and ditching the bias ply.
 

XP 787

Active Member
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819
Location
Kissimmee,FL
Water Crafts
97 Seadoo XP,
07 Seadoo RXP 215,
99 Speedster Twin 787's
Our trailer had the 175s on it when we got her (trailer tag reference 185). I have since swapped the tires with the same as I did them one axle at a time. So far everything has been fine. If we ever replace them again, I'll be putting on radials and ditching the bias ply.
Why radials vs. bias ply?
 

Coastiejoe

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14,647
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FLorida, Southern Area
Water Crafts
2009 RTX X (255 hp supercharged / inter-cooled).
2010 GTX 155
Radials are stronger and grip the road better. Bias can be a smoother ride once warmed up, but can't carry as heavy of a load and they "give" on turns where radials grab.
 

timeman

Active Member
Messages
310
Location
phoenix, az
Water Crafts
2006 seadoo challenger, owned just about every kind of boat there is...
Mine is single axle, after discussing with guys at Discount Tire, I switched to 175s about two years ago...Inside of my fenders indicated the 185's were rubbing, when gear was loaded inside the boat or around curves etc....
Since switching I have towed trips as long as 5+ hours with zero problems.
 

gb387

Active Member
Messages
479
Location
Iowa
This is good to know. I am sure we have the same trailer as we have nearly the same boat. I guess the nice thing is I have a set of 175s mounted on some aluminum wheels from my double jet ski trailer I sold. I will toss them on see how they look and go from there, sounds like I should be fine with 175 radials.
 

timeman

Active Member
Messages
310
Location
phoenix, az
Water Crafts
2006 seadoo challenger, owned just about every kind of boat there is...
I think the load ratings were the same, and difference in height was about 5/8", which, if they are rubbing inside the fenders, like mine were, is a good thing, not to mention the 185's are bit harder to find, and cost more...
 
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gb387

Active Member
Messages
479
Location
Iowa
Ended up getting 4 Carlisle bias ply off Amazon for $38 per tire. Couldn't be happier with the price, I have had good luck with Carlisle tires now I just need two more matching aluminum wheels.
 

NC25T

New Member
Messages
7
Location
Ohio
185 vs 175 doesn't really matter

Take two 185 width tires from different companies and the actual tread width can carry quite a bit. Just like with car tires, some 175's can actually be wider then 185's

Quality tires are the key..... not fun saving a few bucks then having a tire blowout.
 
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