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Author Topic:   170 MONTAUK: Trailer Tires Different Size
montaukman posted 04-09-2005 12:27 PM ET (US)   Profile for montaukman   Send Email to montaukman  
[Talking about the trailer on his new 170 MONTAUK and its tires:]

I looked more closely and ...on the port side of the trailer, the tire has the 175/80--D13 designation. The starboard side has the 185/80--D13 designation. I am just curious why two seperate sized tires with diferent btrands were placed on a brand new trailer and if it even matters?

Will the different sizes cause uneven wear or possible oscilation when trailering at highway speeds?



jimh posted 04-09-2005 01:06 PM ET (US)     Profile for jimh  Send Email to jimh     
[Moved from the GENERAL area.]

I am surprised that the new trailer has different brand and different size tires. That does not sound like the sort of quality one expects from Boston Whaler. I think this is a legitimate complaint, and I would ask the dealer for a remedy. You want trailer tires that are all the same size, and it would be completely reasonable to expect they would all be the same brand.

Since your trailer has almost no mileage, it should be possible for the dealer to arrange a replacement of one of the tires with a matching one. I cannot imagine anyone accepting a new car, even say the least expensive brand and model, and agreeing to tires of different brands and different sizes.

I am just guessing, but perhaps the tires were removed to permit closer stacking of the boat and trailer in shipment with other boats, and when the dealer put the wheels back on a mistake was made. I'd definitely call them on this.

jimh posted 04-09-2005 01:56 PM ET (US)     Profile for jimh  Send Email to jimh     
The following may not apply in your state, but it is generally applicable in the U.S.A.:

Most vehicles when sold as new, including boat trailers, have to be delivered with a Manufacturer's Statement of Origin, or MSO. When a vehicle is registered with a state (usually in order to get a license tag), the person registering the vehicle surrenders the MSO to the state regulatory agency. In the case of new car purchases, this is often the dealer selling the car and thus the customer never sees the MSO.

As the buyer of a new boat trailer, the dealer should have delivered it with the original copy of the MSO (unless somehow the boat dealer conducted the registration process for you and delivered the trailer already titled and registered to you). The MSO will clearly state all the important specifications of the vehicle (trailer), including its weight, capacity, length, width, etc., and probably also the tires and their size necessary to support the load capacity..

You should be able to compare the tires listed on the MSO to the tires you find on the trailer as delivered. If there is any discrepancy, the MSO would be the authoritative source.

Please don't tell me that you new Boston Whaler trailer was delivered to you without the original copy of the MSO!

montaukman posted 04-09-2005 04:16 PM ET (US)     Profile for montaukman  Send Email to montaukman     
Hi Jim

Damn, is there anything you don't know. I can definitely see why you are in control of this forum.

The dealer registered everything for me. All i did was sign and pay.

I spoke to them and they are going to work on this for me. They said it is not an immediate problem but it definiitely needs addressing and they are going to swap out the wheels and tires for me and give me the 175/80 - D13 on both sides.

I need to harbor on the side of prudence here and not slam the forum with a posting before a resolution is either offered by the affected parties or I research it more.

I do apologize to everyone.

Going flounder fishing (hopefully tomorrow). Electronics installed on Tuesday......Life is getting better. Yes that is a smile i am emitting. I will offer pics after the electronics are in.

Thanks again,


Knot at Work posted 04-09-2005 05:12 PM ET (US)     Profile for Knot at Work  Send Email to Knot at Work     

you have become the posterboy for a montauk sale gone wild! Man-oh-man I feel bad for you, with all the calamity with the that Whaler...

Should have bought from Killinger like I did.

davej14 posted 04-09-2005 07:37 PM ET (US)     Profile for davej14  Send Email to davej14     

I would check the owners manual or the website for your trailer and make sure you get the specified size AND load rating required. With the problems you have had I would not leave it entirely to the dealer to get it right.

Make sure you regularly check the tire pressure because soft tires will not be a good thing if you are trailering for any distance. The loads on these small trailer tires are very high and they overheat quickly if they are underinflated.

montaukman posted 04-09-2005 11:25 PM ET (US)     Profile for montaukman  Send Email to montaukman     
Hi all,

After my melt down last week, i refuse to let this crap get to me. I am going to be the consumate Polly Anna.

Thanks for your help. Standard wheel is 175/80 D13. I am having the dealer take care of it. I still plan on fishing tomorrow and am only trailering about 5 miles each way. I doubt if I will get faster than 35 mph while trailering.

they all act very dumb but react well to the problems at this dealership. They should have caught each problem bu i must admit, thet are doing their best to correct them.

Can't wait to test out my GPS fish finder and stereo. Not loudly

talk to everyone tomorrow and will let you all know how she performed. Should be able to open her up a bit.


AQUANUT posted 04-10-2005 09:34 AM ET (US)     Profile for AQUANUT  Send Email to AQUANUT     
this I have seen before..
when whaler ships these boats to the deale, sometimes to stay within D.O.T. height requirements...set for vehicles to clear bridges etc.
the tires are removed to lower the "stack" of boats sometimes three high..depending on shipments and models.

when they get unloaded..someone overlooks the detail in tire size...and re-installs two different tires...out there somewhere..there is another boston whaler with odd matched tire sizes.


Mako posted 04-10-2005 01:00 PM ET (US)     Profile for Mako  Send Email to Mako     
Be careful trailering the rig with different sized tires on the same axle. One of my valvestems was damaged and I couldn't get one tire up to max pressure, so I ran that side 10psi down from the other and it made the trailer bounce around wildly crossing the expansion joints on the bridge on the way to the ramp. This was on a single-axle trailer. I wouldn't have thought 10psi would matter that much, but I know better now!
Buckda posted 04-20-2005 05:44 PM ET (US)     Profile for Buckda  Send Email to Buckda     
As a temperary measure, should Alan reduce PSI on the larger tire? IF memory serves, the smaller tire should have a max rating of 35 PSI or so, and the larger one, a rating of about 50 PSI. Inflating the "TALLER" tire to a lesser extend may even out the ride....(theory).


6992WHALER posted 04-20-2005 07:59 PM ET (US)     Profile for 6992WHALER  Send Email to 6992WHALER     
I see from the pictures on your other post that you have a spare tire on the trailer. Compare the spare with the other two tires. Lets assume that it will match one of the two that are on the trailer. Replace the odd tire with the spare. And get the odd one replaced. Of course keep the odd one as your spare until the dealer has your new tire ready.
Just a thought
davej14 posted 04-25-2005 09:32 PM ET (US)     Profile for davej14  Send Email to davej14     
Do not underinflate any tire, it will overheat and surely result in a blow out.

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