Go Back   iRV2 Forums > MOTORHOME FORUMS > Class A Motorhome Discussions
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 04-15-2014, 06:57 PM   #1
Junior Member
 
Join Date: Mar 2014
Posts: 29
Michelin tire loads

Hi all. Buying first set of tires on first coach I just bought last week. The load ratings have me confused. Maybe someone can set me straight. The coach is a 37 ft allegro bus with freightliner & Cat. The GFAR is 10,410. The GRAR is 17,000 and GCWR is 32,410. I thought I needed 275 /80R/22.5 with load rating H. Getting xza3's. However, they are apparently in short supply. The dealer has the tire in a G Load rating and says they will work fine. The Michelin tire site says at 110 lbs (max), the maximum sidewall weight for the G tire is 6175 lbs on the single and 11,350 on the end of the axle with duals. If I read right, both specs exceed the max weight the chassis can handle, but the front is much closer. The former owner ran at 100 lbs on front which reduces max sidewall weight to 5780. So with all of this, I am trying to decide if the G rate works and I am getting totally confused. Am I making it too hard?
__________________

__________________
Mdhcols is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 04-15-2014, 07:03 PM   #2
Senior Member
 
brobox's Avatar


 
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 15,079
You are not making it to hard, the dealer is trying to sell what he can get. If you weight calls for H rating, then that is what you need. What load range are currently on the MH. Also call Tiffin and see what is required.
__________________

__________________
Chuck in SW FL
A "Classic" 2014 Entegra Anthem 42RBQ
2016 Colorado Z71 PU
brobox is online now   Reply With Quote
Old 04-15-2014, 07:09 PM   #3
Junior Member
 
Join Date: Mar 2014
Posts: 29
The coach has XZA1's , 10 yrs old and scary. H rating. I have a ton of original tiffin stuff but don't see the tire info required.
__________________
Mdhcols is offline   Reply With Quote
Old 04-15-2014, 07:20 PM   #4
Junior Member
 
Join Date: Mar 2014
Posts: 29
The coach has XZA1's , 10 yrs old and scary. H rating. I have a ton of original tiffin stuff but don't see the tire info required.
__________________
Mdhcols is offline   Reply With Quote
Old 04-15-2014, 07:48 PM   #5
Senior Member
 
brobox's Avatar


 
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 15,079
If the existing tires are load range H then that is a good clue what is required for that coach. You don't have the year of your coach listed (it really helps) but if they are the original tires, then Tiffin has already answered the question of what load range is required.
__________________
Chuck in SW FL
A "Classic" 2014 Entegra Anthem 42RBQ
2016 Colorado Z71 PU
brobox is online now   Reply With Quote
Old 04-15-2014, 09:25 PM   #6
Senior Member
 
Ray,IN's Avatar
 
Join Date: Aug 2001
Location: North America somewhere
Posts: 13,699
What brobox said! Lighter tires/less load range, means you'll have to run them at maximum pressure and maximum load. That is what all the complaining about ST trailer tire failures is about.
__________________
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
Ray,IN is offline   Reply With Quote
Old 04-15-2014, 10:02 PM   #7
Junior Member
 
Join Date: Mar 2014
Posts: 29
It is a 2000, 3 slide . I think I will play it safe and wait until the H tires come in. One unnecessary flat would ruin my day......... The ones on it were 2004 so not original. I would rather have more sidewalk strength than I need , not pushing the envelope. As soon as we get it pm'd and loaded for FT, I will have
Freightliner weigh all four corners to satisfy myself.

Thank you.
Mike and Jennifer heading out in May. Going to work our way slowly from Phoenix to Northern Virginia........some shakedown trip.
__________________
Mdhcols is offline   Reply With Quote
Old 04-16-2014, 12:48 AM   #8
Senior Member
 
gruelens's Avatar
 
Join Date: Jul 2012
Posts: 1,286
You are doing the right thing by insisting on H rated tires, they have two more plies than a G tire. Shame on that dealer for telling you otherwise only because he can make a quick sale. Be sure to tell them no deal unless the date codes are less than ____ months old. You fill in the blank with what number you are willing to accept as new tires. Remember RV tires age out before they wear out. All the best!
__________________

__________________
George R. - Fulltiming since January '03
2007 Newmar Mountain Aire 3991
2012 Chevy Malibu LT1
gruelens is offline   Reply With Quote
Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Tire evaluation: Michelin vs Firestone vs Les Schwabe house brands ballard770 Gear and Product Discussions 52 02-07-2016 10:44 PM
Michelin Tire Recall matt.brown Class C Motorhome Discussions 5 06-28-2014 06:34 AM
Another Michelin Tire question adonh Class A Motorhome Discussions 11 02-04-2014 06:59 PM
Reading Michelin Tire Inflation Table sadrand iRV2.com General Discussion 9 11-27-2013 12:00 AM
FMCA Michelin Advantage tire purchase datrbone8 Class A Motorhome Discussions 14 08-09-2013 01:36 PM

» Virginia Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 07:40 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.