Pirelli Tires for my Safari

[voremus]

I have two questions for my experienced AS owners. I've read all (hundreds) the posts on tires so feel comfortable in making a purchase but need a bit of information first. I've seen no threads speaking about Pirelli ATR light truck tires. Are these being run by any of you? They seem ideal for my 2006 Safari 25 FB LS with GVWR of 7300. Second, the original stock tires are Marathons, size 225/70/15. Can I go up to 235/70/15 with no problems on this model trailer? Appreciate the help and thanks in advance.

[r carl]

These would work just fine on your trailer.
Continental*Vanco 2

[SteveH]

I don't know anything about the Pirellis, but I believe your stock tire size is a 225/75X15, and going to a 235/7015 will work OK. However, that is a wider tire, and may be a bit shorter, so check for clearance on the width, and check the overall diameter and decide if you can live with the change if any.

[voremus]

Absolutely correct, size should have read 225/75/15. I am not at the trailer now and need to order the tires so hoping someone with Safari 25 has installed 235's with success. Thanks.

[Moflash]

Pirellis are a soft compound tire with traditionally thin sidewalls.I would not recommend for Airstream use.

[voremus]

Thanks for the info, I guess I'll go with the Michelin's instead. Question still remains, can I go up to 235's from 225's on my rig with no problem?

[SteveH]

Originally Posted by voremus

Thanks for the info, I guess I'll go with the Michelin's instead. Question still remains, can I go up to 235's from 225's on my rig with no problem?

Odds are you can, but I would check for clearance just to be sure. Even if someone has the same year/model as your trailer, and has done it, doesn't mean it will work on yours for sure.

[switz]

Just installed Michelin LTX (P)235/15R15 XL tires on a 2013 25FB International. I have not read on the forums in the tire threads of the tandem wheel bay changing size on the tandem trailers in recent years.

Find someone local that has done this tire conversion and take some measurements from their unit and compare them to your unit's measurements.

[Kosm1o]

Quite sure. I have an 05 and they fit fine with plenty of room to spare.

[ROBERT CROSS]

Yep....'gotta git rid of them GYM, werstest, no gud tire ever maid Cept fer the onez I got.

Bob

[Wazbro]

The 235s are only 10mm wider that is less then 7/16" see if you have room for half that width on each side and 15mm larger in diameter 7.5mm less then 7/32" on each sidewall so also make sure you have that much clearance for the tread.

Basically if your finger can fit there is plenty of room.

[ROBERTSUNRUS]

Originally Posted by ROBERT CROSS

Yep....'gotta git rid of them GYM, werstest, no gud tire ever maid Cept fer the onez I got.

Bob

Hi, you'll never know when, and with what, that you will get a flat.

[CapriRacer]

Word of caution:

There is a difference btween P type tires and LT type tires - and a 235/70R15 is a P type tire.

If your original tire was ST225/75R15's, the 235/70R15's have a LOWER load carrying capacity - and make a note that P type tires have to be derated by a factor of 1.1 for trailer usage.

[Bob4x4]

Originally Posted by voremus

Thanks for the info, I guess I'll go with the Michelin's instead. Question still remains, can I go up to 235's from 225's on my rig with no problem?

I put the 235/75s on my Safari .No problems can't tell the difference by looking,doesn't even look close.I am sure I could have gone to 16s but I have lots of tire capacity/to trailer weight

[Bob4x4]

I have never scaled my safari over 6k so the xl has more than enough weight capacity for mine.On the last trip out averaging 70 mph the trailer tires were running about 10 degrees cooler than the truck tires.Two of my truck tires can support the entire weight of my truck-so no the truck tires are not too small for the app either

[switz]

Derating my four LTX (P)235/75R15 XL Michelins to 1,985 pounds from the sidewall rating of 2,183 pounds at 50 psi means that the four tires will support 7.940 pounds. The two axles (each rated 3,600 pounds) will support 7,200 pounds.

I went across the scales at just under 5,900 pounds on the trailer wheels with nearly all the stuff and a full fresh water tank of 39 gallons.

The math works out to about a 26% safety margin for the tires at derated load capacity. There is about a 1.5" gap between the edge of the tires and the aluminum wheel well trim.

YMMV

[BlackAces]

Here is a reference from a respected tire builder.

This reference provides insight into numerous industry standards.

Read the information on page four. If you are knowledgeable of tire safety standards you will have read much of this information before. Mostly in your trailer’s owner’s manual.


http://www.tiresafety.com/images/Tir...t%20Manual.pdf

BlackAces