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09-12-2019, 12:44 PM
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#1
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Member
Join Date: Aug 2015
Posts: 78
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Tire Selection Help
Hello
I am worried about the tires on my 2000 Dutch Star 3851. My parents (previous owners) changed them back maybe 7-8 years ago. When I got it 3 years ago the tires passed inspection by 2 shops. They had some weather checking on sidewalls. I drove it for 2 years. It has sat in storage past year but I drive it once a month when the weather is decent. I have seen the damage from tire blow out and don't want to chance it. How old can these tires last?
On car tires I know there are 3 sizes (width/aspect ratio/diameter) what are the sizing on these tires. Are MH tires the same as semi tires or are there a different make up?
Where do you shop for tires with an emphasis on value?
Thanks
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2013 Ford Fusion Titanium Energi
2000 Newmar Dutch Star 3851
2007 Jayco 31 BHDS G2
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09-12-2019, 04:03 PM
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#2
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: May 2015
Posts: 245
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7-8 years from your parents then another 2 from you. Safe to say you need new tires. Everyone has their opinion when it comes to age but I’d say anywhere from 5-7 years 7 pushing it pretty far. I run 295 75 22.5 on my DS. Bought mine from the local tire shop.
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2004 Travel Supreme DS04
2014 Jeep Grand Cherokee Summit
2002 Newmar DSDP 4095 Cummins ISC 350
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09-12-2019, 05:25 PM
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#3
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Senior Member
Join Date: Aug 2015
Location: Depends on the weather
Posts: 711
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Tire Prices
FMCA, and other associations, have a discount program for Michelin tires. There are lots of discussions on this thread about tires, brands, air pressure, maintenance, etc.
One thing to keep in mind when buying new tires is to make sure all 6 or 8 of them are the same age, and ideally not more than 6 months old when you buy them. Be sure to look at them before installation because you won't be able to see the inside tire on your rear drive axle once they are installed. All tires have a DOT stamp on them that indicates the year and the week (1 - 52) they were manufactured. See photo. The example shows that tire was manufactured in the 10th week of 2016.
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Eric and Linda
2016 Newmar Ventana 4369 (Full Timers since May 2016)
2022 GMC Canyon & 2015 Co-Motion Equator Tandem
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09-12-2019, 10:43 PM
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#4
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Aug 2015
Location: Northwest Washington State or Western Montana, depending on the season.
Posts: 3,473
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You really don't need to worry tire width/aspect ratio/diameter; just replace them with the same size that's on there now...assuming, of course, that the previous owners didn't change tire size. You can confirm the original tire size by going to the Newmar brochure archives on the company website and finding the brochure for your particular coach.
As for tire age, the rule of thumb is to replace them at no more than 7 years from the date indicated in the DOT code molded into the tire.
Join the Family Motor Coach Association and take advantage of its tire discount program. That's probably the best deal you'll find.
TJ
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Jim (W7DHC), Diane & Mini Schnauzers, Lizzy & Ellie
2018 Mountain Aire 4047
2014 Honda CR-V 2020 Lincoln Nautilus "toad" w/AF1
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09-13-2019, 06:07 AM
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#5
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Senior Member
Join Date: Jul 2013
Location: North Ridgeville, OH
Posts: 2,455
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Replace them with the same size as when it left the factory. I joined the FMCA after buying our Bay Star and checked their pricing. It's great if you want the tires that they have discount pricing for but I ended up purchasing Toyo M154 tires through a local shop that services tires. There are sooooo many threads on tires and there are several brands that seem to get consistently good reviews. It seems that for many, it's a decision whether to go with Michelin tires or save money by choosing something else.
__________________
Retired but busier than ever!
2012 Newmar Bay Star 3302
5 Star Tune, SumoSprings, Roadmaster Steering Stabilizer, Blue Ox Avail
Brake Buddy, 2015 Chevy Malibu
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09-13-2019, 07:27 AM
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#6
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Senior Member
Join Date: May 2019
Location: Smithfield, VA
Posts: 299
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7-10 years of age seems to be the rule of thumb. Weather cracking is not good but sometimes not serious. Take a look at the chart attached. As others have said, be sure to check the date on the new tires to make sure they really are new. If they're a year old, you've lost at least 10% of tire life right out the door.
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Tom & Carol, Smithfield, VA
2000 Dutch Star DP 3851 Spartan
CWO2 USN-Ret
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09-13-2019, 01:03 PM
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#7
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Senior Member
Join Date: May 2018
Posts: 105
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I found the best price at Amazon.
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2014 Newmar 3610
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09-13-2019, 01:37 PM
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#8
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Senior Member
Monaco Owners Club Forest River Owners Club
Join Date: Jul 2012
Posts: 3,325
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5-7 years from date of manufacture is accepted by most but not all.
By that standard your tires are well past due
The same tire and aspect ratio that is spec on the placard should be what your parents replaced the original with. I'd keep the same aspect ratio to fit the wheel well's without rubbing.
"truck" tires are what these are, Michelin makes a rv tire with less tread and softer sidewalls. Truck tires are designed to go over 100,000 miles easy (mine always did). MH tires will never see those miles.
Michelin does seem to have a problem with cracking tires seen in the photos above from their site I believe.
there are many makers that people seem to like that are much cheaper even with FMCA's discount figured in.
Michelin I believe says 5-6 years then annual inspection until a absolute max of 10 years.... the dealer I looked at 4 years ago said Michelin by "inspection" means dismount each tire and also look at the interior and remount . that means a little more cost than just "looking" at it
Your call... Personally I'm a fan of Toyo's .....45,000 miles in the last 5 years with almost no wear , no cracking ,rides great , outside on a full time rig with no wheel covers ( I move often).
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2023 Coachmen Encore 325SS
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09-13-2019, 11:34 PM
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#9
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Member
Join Date: Aug 2015
Posts: 78
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Thanks for all the info especially that chart which gives a good visual representation on what to look for.
I didn’t know they followed the same size formula as cars. Honestly never looked at the size on the sidewall.
I looked at the online Newmar brochure and no mention on tire sizes so I’ll look through the receipts and paperwork that came with MH or if not I’ll take a trip out to the storage lot to get the size.
Someone mentioned Amazon so I’ll start looking there first.
__________________
2013 Ford Fusion Titanium Energi
2000 Newmar Dutch Star 3851
2007 Jayco 31 BHDS G2
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09-13-2019, 11:57 PM
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#10
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Aug 2015
Location: Northwest Washington State or Western Montana, depending on the season.
Posts: 3,473
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I've looked on Amazon, but found mostly off-brand stuff in odd sizes. Personally, I'm not willing to put myself and others at risk just to save a few bucks.
If you can find known-brand tires in the appropriate size...and, with current date codes...fine. Otherwise, find a local dealer that participates in the FMCA discount program.
TJ
__________________
Jim (W7DHC), Diane & Mini Schnauzers, Lizzy & Ellie
2018 Mountain Aire 4047
2014 Honda CR-V 2020 Lincoln Nautilus "toad" w/AF1
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09-13-2019, 11:58 PM
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#11
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,311
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I replaced the tires on my coach 18 months ago.
275/70 R 22.5
Freightliner chassis . Not positive if the the Spartan chassis used the same size.
Note : Newmar had a recall for undersized tires on the front axle ; so there may be different size on the rear of the coach .
A previous owner had upgraded all the tires; on my 99; to the same size when the fronts were replaced under the recall.
EDIT: As Jim , mentioned with a local dealer you can see the date code before you pay for the tires , sometimes those available online are older than what I'd care to spend money on .
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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09-14-2019, 10:15 AM
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#12
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Senior Member
Join Date: May 2018
Posts: 105
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Amazon Sells Toyo Tires
Quote:
Originally Posted by Tranquil Jim
I've looked on Amazon, but found mostly off-brand stuff in odd sizes. Personally, I'm not willing to put myself and others at risk just to save a few bucks.
If you can find known-brand tires in the appropriate size...and, with current date codes...fine. Otherwise, find a local dealer that participates in the FMCA discount program.
TJ
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Amazon sells Toyo tires that fit my coach.
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2014 Newmar 3610
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09-14-2019, 10:38 AM
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#13
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by USMC_1345
7-8 years from your parents then another 2 from you. Safe to say you need new tires. Everyone has their opinion when it comes to age but I’d say anywhere from 5-7 years 7 pushing it pretty far. I run 295 75 22.5 on my DS. Bought mine from the local tire shop.
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Michelin tire guides say to have the tires professionally inspected starting at five years and absolutely replace at 10 years. I went 9 years on mine and they looked good enough for another 9.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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09-14-2019, 11:12 AM
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#14
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Aug 2015
Location: Northwest Washington State or Western Montana, depending on the season.
Posts: 3,473
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Quote:
Originally Posted by Toltec
Amazon sells Toyo tires that fit my coach.
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As I pointed out, "If you can find known-brand tires in the appropriate size...and with current date codes...fine." Apparently, you did.
The current date code thing is what would concern me. Somehow, I just can't picture rolling eight tires into the UPS store and saying "I need these returned to Amazon because the date codes are too old."
TJ
__________________
Jim (W7DHC), Diane & Mini Schnauzers, Lizzy & Ellie
2018 Mountain Aire 4047
2014 Honda CR-V 2020 Lincoln Nautilus "toad" w/AF1
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