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 09-19-2011, 10:57 PM   #1
Junior Member
 
Join Date: Jun 2010
Posts: 7
too heavy

Hey there I need some help. I have a 1990 33 foot southwind on a p-30 Chevy chisses. We have owned it for a year or so and have used it on a hand full of short trips( 100 miles or so round trip). Coming back on sunday I blew an inside duel pulled over and changed it, that was fun. But i saw no damage to the tire(8-r 19.5 kelleys) except for half the tread was gone. All the tires have good tread on them and I run them at 85 psi and check them all before we pull out. My thought was maybe there isn't enough tire on the rig so I weighed it today and was shocked at the, 15,720 with a 1/4 tank of fuel 1/2 tank of water and both holding tanks at a1/4 or less. The axels are rated for 10,000 rear, 5,000 front so why am I so heavy and no I don'thave a thousnd pounds of stuff in it maybe 3 to 4 hundered and I didn't have my trailer on either. Why so heavy is that just the way it is. do I need to travel empty? Any help or tips would be great just want my family to be safe while are having fun.

Thanks,
The light crew

P.S. the rear weight 10,290lbs.
the front weight 5,440lbs
__________________

__________________
jplrace 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 09-19-2011, 11:05 PM   #2
Senior Member
 
Mr_D's Avatar
 
Solo Rvers Club
iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 28,423
Lots of RV's are overweight just as they left the factory. Our 2002 DSDP had an advertized NCC of 5,300#'s so I wasn't worried about the CCC. BUT, when it arrived we only had a CCC of 661#'s!! And that was before we ever loaded a thing or even got onboard. Plus the 661#'s was all on the rear axle, the front was overweight by 50#'s if I filled the fuel (150 gals) and propane tank (40 gal, 32 usable), again, not loaded and us not onboard.
Was finally corrected when Newmar had Spartan put a new front axle (14,600# rating) under it to replace the 12,000# unit it shipped with. While there Spartan looked the unit over and wondered why Newmar only rated the rear axle for 19,000#'s when it was a 20,000# unit. They said I would have no trouble with running at 20,000#'s. Even then the front tires were only rated for less than 13,200#'s so when tire time came I upgraded the fronts and can now run the 14,600#'s on the front.
__________________

__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '14 CR-V
Mr_D is offline   Reply With Quote
Old 09-20-2011, 05:03 AM   #3
Senior Member
 
Join Date: Jan 2011
Location: Debary Fl
Posts: 464
In the RV buisness, it is a shame the way some manf. build coaches on chassis that are so lite you can't haul a full tank of fuel let alone a pair of socks or 2. Then have a problem with the coach and it's "well you are overloaded" tuff luck. IMHO the federal DOT needs to get involved in the certification process of the finished product load rateings. It would not cost the coach builders much more to put the right stuff under the coaches to begain with. Beaver, T/S, and Country Coach just to name a few. have had problems with that as well. Of course then we as consumers turn around and complain about harsh ride (F53 ford chassies),so who knows. For now I guess it buyer beware, I just passed on a 06 Travel Supreme 4 silde because of weight issues.
__________________
Bruce Linda and Zoey
1999 ForeTravel U295
012 orange Jeep Wrangler
bbeane is offline   Reply With Quote
Old 09-20-2011, 02:56 PM   #4
Senior Member
 
Nick-B's Avatar
 
Forest River Owners Club
Ford Super Duty Owner
Join Date: Aug 2009
Location: Vaughn, WA
Posts: 1,364
Hi jplrace and

As others have stated, overweight motorhomes were all to common for many years.

Couple things to keep in mind since you are maxed out - Tires should not be too old. Even if they have good tread, they dry out and eventually come apart. While car tires are rarely anywhere near their max ratings motorhome tires spend ALL their life at or near capacity. Most recommend replacing at 6-7 years for safety and 10 years max. YMMV.

You should also be able to use 225/70R-19.5 size tires as a replacement. They are a bit wider and easier to find.
__________________
Nick
1995 Coachmen Santara 360MB 36' w/slide.
Ford F53/460 chassis, 1997 Jeep Grand Cherokee "toad"
Nick-B is offline   Reply With Quote
Old 09-20-2011, 03:44 PM   #5
Senior Member
 
Go Dawgs's Avatar
 
Join Date: Mar 2011
Location: Kent, WA
Posts: 1,051
Is there a reason you are running the tire pressure at 85psi. I have a 14k+ MH and run mine between 95 - 100 psi as describe on the tire.
__________________
Arnold
2017 Grand Design Reflection 303 RLS
2004 Ford F350 Lariat 4x4 Dually
Go Dawgs is offline   Reply With Quote
Old 09-20-2011, 03:53 PM   #6
Senior Member
 
Mr_D's Avatar
 
Solo Rvers Club
iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 28,423
Quote:
Originally Posted by awarnes View Post
Is there a reason you are running the tire pressure at 85psi. I have a 14k+ MH and run mine between 95 - 100 psi as describe on the tire.
The pressure on the side of an RV/truck tire is the minimum pressure required for the maximum load the tire is capable of supporting. This is given in the RV tire guides also.
The ONLY proper way to get the correct pressure is to weigh the rig at all four "corners", take the highest weight on an axle and use that in the pressure charts for your brand/model/size tire. Use the highest weight across an axle.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '14 CR-V
Mr_D is offline   Reply With Quote
Old 09-20-2011, 06:21 PM   #7
Senior Member
 
Alan_Hepburn's Avatar
 
Fleetwood Owners Club
Workhorse Chassis Owner
Join Date: Feb 2000
Location: San Jose, Ca, USA
Posts: 1,045
Quote:
Originally Posted by awarnes View Post
Is there a reason you are running the tire pressure at 85psi. I have a 14k+ MH and run mine between 95 - 100 psi as describe on the tire.
It's possible that 85 psi is the max that a 19 1/2" tire will hold. And if it came from the factory that way then the wheels are probably rated for 85 psi also. Putting more air in just creates a bomb waiting to explode...
__________________
Alan Hepburn - San Jose, Ca
2007 Bounder 35E being pushed by a 2008 smart fortwo Passion
Good Sam Member #566004 * FMCA Member #F431612
Alan_Hepburn is offline   Reply With Quote
Old 09-20-2011, 08:43 PM   #8
Senior Member
 
Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,608
How old are the tires?
__________________
1997 37' HR Endeavor, 275hp Cat, Freightliner
03 CR-V Blue Ox, Ready Brake
ahicks is offline   Reply With Quote
Old 09-20-2011, 10:21 PM   #9
Junior Member
 
Join Date: Jun 2010
Posts: 7
Thanks everyone for your input. The tires are about three years old so the last owner told me not very many miles on them and they look like they are in good shape. I ran them at 85 psi buy figuring the max wieght on each axel that was listed in the coach sense I didn'tkonw the wieght of the rig, now I would run more psi. I'm sure this will open a can of worms and has been talkede about in a differnt thread but here goes. What tiers are you all running? I have regroovable michellins up front and kelleys out back, with a michellin for a spare. I'm thinking of geting three new michellins for the rear and useing the spare out back and running the kelleys for spares. What do ya all think?

Thanks everyone
The Light crew
__________________
jplrace is offline   Reply With Quote
Old 09-20-2011, 10:57 PM   #10
Moderator Emeritus
 
RickO's Avatar


 
Join Date: Jan 2007
Location: Litchfield Park, Arizona
Posts: 10,530
You may want to take a look at the actual DOT date code stamped on the tires to ascertain how old they really are. RV tires typically still look pretty good when they "time out" and should be replaced.

As to what kind of tire to use.... I use Michellin.

Good luck.

Rick
__________________
Rick, Nancy, Peanut & Lola our Westie Dogs & Bailey the Sheltie.

2007 Itasca Ellipse 40FD
RickO is offline   Reply With Quote
Old 09-21-2011, 01:02 AM   #11
Senior Member
 
Mr_D's Avatar
 
Solo Rvers Club
iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 28,423
Quote:
Originally Posted by RickO View Post
You may want to take a look at the actual DOT date code stamped on the tires to ascertain how old they really are. RV tires typically still look pretty good when they "time out" and should be replaced.

As to what kind of tire to use.... I use Michellin.

Good luck.

Rick
+1
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '14 CR-V
Mr_D is offline   Reply With Quote
Old 09-21-2011, 09:47 AM   #12
Moderator Emeritus
 
Gary RVRoamer's Avatar


 
Join Date: Jan 2000
Location: Silver Springs, FL. USA
Posts: 18,073
The max load inflation on a 8R19.5 is more like 110 than 85. That tire should carry 3500+ lbs at 110 psi.

I see no reason to change tire brands unless the age is greater than what the owner said. Kelly makes a good tire - the probably was simply that they were under-inflated for the load.

Kelly Safari CSR Rib 8R19.5/F Lowest Price Tires


jplrace is also carrying a lot more load than just 30-400 lbs. The water alone that he listed is probably 500 lbs. 1/2 fresh and 1/4 EACH for the waste tanks. Maybe 50 gallons at 8.3 lbs/gal? Then add propane, food, beverages, clothing, pots & pans, lawn chairs, BBQ, etc. the the total amount is indeed shocking.
__________________
Gary Brinck
Former owner of 2004 American Tradition
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC
Gary RVRoamer is offline   Reply With Quote
Old 09-22-2011, 04:24 PM   #13
Senior Member
 
Lincolnboy2's Avatar


 
Texas Boomers Club
Fleetwood Owners Club
Solo Rvers Club
Ford Super Duty Owner
Join Date: Jul 2011
Location: Grand Prairie, TX (DFW)
Posts: 3,536
When I took delivery of my 32' class a (2003 Fleetwood Storm), the set the steering axle tires to 95lbs. The duallies were all at 80. They are 19.5 and all within three years old. The steering axle has new tires. I have no clue about the weight, I just assume it is at Max GVWR at all times and go from there. Manufacturer's recommendation on the coach is 80lbs. I put the tireminder system on after reading all the scary stuff about blowouts and adjusted (after one heck of a time getting the proper valve extensions) them all to between 80 and 82 lbs. I dont know why the dealer set the steering axle pressure at 95lbs. Hope this helps.
__________________
Kent - '03 Fleetwood Storm Ford F-53 V-10
With Susie (Lhasa); Angie (Shorkie) Ferbie (ShihTzu)
In Memoriam: Katie, Spencer and Zoey
Lincolnboy2 is offline   Reply With Quote
Old 09-23-2011, 05:55 AM   #14
Senior Member
 
CharlieTwo's Avatar
 
Join Date: Nov 2010
Posts: 232
I have a 95 Brave and it is near max. weight empty. Frustrating, but I carry as little as I can when traveling.
__________________

__________________
CharlieTwo 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
TV Swap 1996 Brave (Picture Heavy) John_N_Terry Winnebago Industries Owner's Forum 1 02-22-2011 07:08 PM
Atwood Water Heater and heavy rain ctcamper RV Systems & Appliances 6 07-14-2009 02:59 PM
Can you have too heavy of a tow truck? wksand Trailer Towing and Tow Vehicles Discussion 18 06-25-2009 02:49 PM
Ford Dealers with Heavy Truck Shop John Mo Ford Motorhome Chassis Forum 10 04-02-2009 04:41 PM

» Virginia Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 07:15 AM.


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