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Where do you fit in with GVWR fully loaded ?


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#21 OFFLINE   Harried Harry

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Posted 19 August 2011 - 04:46 PM

I called Discount Tires today. The salesman told me they carry a 285/70-17 E tire, which has a max load of 3748#. The tire costs about $225, which is close to the price I usually pay for replacement tires. The only real problem is the existing tires still have 8/32 of tread left, which is still a lot of miles. If I consider the TC weight vs. the tire max load, I only have a margin of 250# for both tires. The current tires have 42,000 miles on them so I have gotten very good mileage. If I had gotten the lighter TC, then these tires would be good for another 30,000 miles. Now, I have to really think about the setup. Thanks for listening and providing me with your thoughts.
I know many of you have suggested I go to the Rickson tires; I just cannot afford it :cry_smile: I retired last year :trink08: but when I retired my income dropped in half. (Now that I have hindsight, I should have kept working for another four years. Of course, I might have shot my boss :sterb003: since she is a real pain :fighting0040: . Such is life.

Edited by Harry Palmer, 19 August 2011 - 04:52 PM.


#22 OFFLINE   wirenut

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Posted 19 August 2011 - 06:41 PM

Do you camp year round? You could put the current tires on all winter to "use up" the remaining life in them. Swap on the heavier rated tires in the spring when it's time to load up the camper again. If you do this you could get a more highway type of tread on the heavy hauling tires to further enhance fuel mileage. You wouldn't need them to be good snow tires. But then, maybe NM doesn't have winter and snow??

#23 OFFLINE   RedneckExpress

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Posted 20 August 2011 - 01:34 AM

If you had a second set of rear rims similar weight rated, you could suffice with buying two of the higher rated tires for the rear and using them for load hauling times and using what you have the rest of the time for run around tires. I do something similar right now with my truck as I have standard SRW rims on the front and dually rims on the rear. I still had a fair amount of tread left in the SRW tires that were on the rear and they were too wide to use in a dually configuration, so I use them now as rotational steer tires.

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#24 OFFLINE   luv2camp

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Posted 20 August 2011 - 05:56 PM

If the tires will fit your rig, Toyo makes a 285/75/17 with 3950lb weight rating.


I finally got the CAT scale sheets out of the truck and started doing the actual math. The Snowriver, fully loaded with water and propane weighs 3640#. Heavy yes, but workable. I have developed a prioritized list of things to obtain to make sure I can safely travel with the camper. I must do these a month at a time since I don't have the ready cash to pay for everything in one month. Item 1: Install Hellwig Big Wig sway bar (ordered today); Item 2: Upgrade shocks to either Bilsteins' or Rancho 9000XL; Item 3: Upgrade wheels. I'm looking at going to the 18" size since tires are available that have a 3650 load capacity, which would allow me to carry over 7000#. After upgrade 3, then I'll evaluate to see if I need to do anything else. I did find out I can make an adjustment on my SuperSlides to provide more immediate support by moving the bolt to a different hole. This will be the first thing I do.
Thanks to all for your input. B)



#25 OFFLINE   Harried Harry

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Posted 21 August 2011 - 11:59 AM

I like these ideas. First, using RedNeckExpress's and Wirenuts' idea for installing two tires on new wheels for the truck's rear. This will be easy to do once I find the wheels. I'll have to go to El Paso, TX to find the wheels, I'm sure. I'll keep an eye out for the Toyo tires. I really like the idea of a 3950# rating on the tire. I can't afford Rickson or Vision 19.5 rims. If I was still working, then I could work out a payment plan. Since my funds are limited, I'll go with the least expensive way to be safe. Thanks for the input. :P

#26 OFFLINE   Newtc

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Posted 21 August 2011 - 02:25 PM

We weighed ourselves on a trip last month. GVWR is 14,500 and we were a little over 15,000, with pretty much empty tanks. With a bit more water and consumables we will probably run somewhere around 15,500 or about 7% over.
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#27 OFFLINE   Fennemore

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Posted 22 August 2011 - 09:05 AM

With a GVWR of 9900# I'm at 111% with the camper and 125% with the trailer+camper. Mine is an Elkhorn 9T that is 1750# dry. I am not overloaded on the axles or tires however :fing32:

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#28 OFFLINE   bcbigfoot

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Posted 23 August 2011 - 07:17 AM

The GVWR on my truck is 10500lbs, ready for the road full of people, water food and supplies the truck and camper usally wieght 11,200lbs so that puts me 7% over.
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#29 OFFLINE   luv2camp

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Posted 28 August 2011 - 01:59 PM

I'm sure I'm gonna get flamed for this comment, but what the heck...

Isn't this the most important point? The tires and axles are usually considered the 'weak link', right?

I am not overloaded on the axles or tires however :fing32:



#30 OFFLINE   xnorp

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Posted 28 August 2011 - 02:44 PM

Axles then Tires and then brakes to me that is the weak links.
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#31 OFFLINE   the tc life

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Posted 28 August 2011 - 04:39 PM

finally got a chance to weigh my setup on the way home from camping today.....

my gvwr is 11000 lbs....my weight fully loaded with everything....11080 lbs.

no air bags or other mods done to the truck and it handles perfectly.

i should add....i haul a lot of crap around with us too....more than we need but...oh well.

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#32 OFFLINE   redzards

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Posted 30 August 2011 - 08:37 AM

We have a 2005 F350 Dually tag says 13,000 for capacity. I weighted the truck and our 2010 Lance 1181. We had a load of fuel and water. The cat scale came in at 12,960. So when we add food and stuff we went over.

We add a leaf to the rear springs and the camper sits a lot better and rides well. So I think I am good to go. I have new tires that will carry weight.

#33 OFFLINE   rskeans

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Posted 30 August 2011 - 09:15 AM

We have a 2005 F350 Dually tag says 13,000 for capacity. I weighted the truck and our 2010 Lance 1181. We had a load of fuel and water. The cat scale came in at 12,960. So when we add food and stuff we went over.

We add a leaf to the rear springs and the camper sits a lot better and rides well. So I think I am good to go. I have new tires that will carry weight.


I have a similar setup although a bit heaver. Your truck has a Dana 80 axle which is rated by Dana to11,500 lbs. You probably have 2500 to 3000 lbs margin on the axle. Ford rates the rear axle at 9000 lbs. Ford also states the rear tire pressure at 60 lbs. If you look at the tire pressure vs weight ratings you will find that the rear tires at 60 lbs are rated at somewhere around 9500 lbs. However, the tire mfg has the max rating at 80 lbs with a combined weight rating of about 11,600 lbs. I keep my tires at about 75-78 lbs. So in your case I would suggest upping the tire pressure to 75 lbs. Then you have plenty of margin.

I also added rear springs. 3 on the overload pack and 1 on the main spring pack. The ride went from awful to wonderful. I still have the airbags and keeping 30 lbs in them smooths out rough roads.
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#34 OFFLINE   sooty1234

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Posted 04 September 2011 - 11:24 AM


I have a similar setup although a bit heaver. Your truck has a Dana 80 axle which is rated by Dana to11,500 lbs. You probably have 2500 to 3000 lbs margin on the axle. Ford rates the rear axle at 9000 lbs. Ford also states the rear tire pressure at 60 lbs. If you look at the tire pressure vs weight ratings you will find that the rear tires at 60 lbs are rated at somewhere around 9500 lbs. However, the tire mfg has the max rating at 80 lbs with a combined weight rating of about 11,600 lbs. I keep my tires at about 75-78 lbs. So in your case I would suggest upping the tire pressure to 75 lbs. Then you have plenty of margin.

I also added rear springs. 3 on the overload pack and 1 on the main spring pack. The ride went from awful to wonderful. I still have the airbags and keeping 30 lbs in them smooths out rough roads.

Why did you choose the 75lbs setting on the tires, and not the full 80 lbs. Jim

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#35 OFFLINE   vanceman

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Posted 05 September 2011 - 07:15 AM

I have a 03 3500 dodge srw my gvwr 9900 lbs. I have a 08 Okanagan 3700lbs. The truck with camper on full of diesel and all my stuff weighed in at 11,800 lbs. The best improvement was the 19.5 wheels and tires 14 ply tires rated @5520 lbs each, wheels are rated @ 5000 lbs each and you can air them up to 110 lbs each. I also added a road master sway bar, stable loads, Air lift air bags with in cab controler, bigger rear dif cover holds twice the fluid from ats diesel. All these items add up but way cheaper than a new truck. The truck handles camper just fine. If i were to do it all over again i would have purchased a dulley truck. Just slow down and leave plenty of space and get your brakes checked twice a year if you travel a lot.

#36 OFFLINE   Lancealot

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Posted 05 September 2011 - 08:49 AM

I just checked my records , Our F-550 with a Lance 1010 scaled fully loaded to camp at 6363.Kgs ( 13998.6 Lbs ) the GVWR
for this unit is 7937 Kgs ( 17500 Lbs ) that is 80% of the GVWR. The Front axle GAWR is 2727 Kgs ( 6000 Lbs ) the rear axle GAWR is 6136 Kgs ( 13500 Lbs ) The gross combined rating ie. truck camper fully loaded with trailer GCWR is 12954.5 Kgs
(28500 Lbs.) the GVWR would be 8409 Kgs ( 18500 Lbs ) but I lose 1000 Lbs rating because its a 4X4 .We custom built this unit
to be able to camp with out the ( pucker affect ) and the brakes are wonderful ! .and we tow a fully loaded race trailer most of the time and did not need any hassle from any county mounty .

CAMPING  where you spend a small fortune , to live like a homeless person .


#37 OFFLINE   rskeans

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Posted 05 September 2011 - 02:22 PM

Why did you choose the 75lbs setting on the tires, and not the full 80 lbs. Jim

I just decided not to push it up to the max when I didn't have to.
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#38 OFFLINE   Gaget

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Posted 01 January 2012 - 07:16 AM

I'm building my 450 for a Chalet TS planning on 5500-6000 #.
Swapped rear axle for a S15 110L (15000 cap)
Swapped Front axle for a Dana 80 ( Modified for wide track)
Installed Kelderman Air ride suspension (12000 cap rear, 6000 front)
265/70R 19.5 Michelins 5500 single 5300 dual at 110PSI.

I do not have the camper yet but have pretty well decided on purchaseing after the boat sells.

Door Sticker is at 14500, with the mods I calculate I am at 16,500 to 17,000GVW.

Edited by Gaget, 01 January 2012 - 07:17 AM.


#39 OFFLINE   farmer

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Posted 01 January 2012 - 11:53 AM

Gaget
Are you going to run singles.
And is the rear air sus. Self leveling
Those 265 are going to look good.
After you get your camper let us know the height on truck.
Happy New Year
Rick

#40 OFFLINE   Lancealot

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Posted 01 January 2012 - 01:18 PM

I'm building my 450 for a Chalet TS planning on 5500-6000 #.
Swapped rear axle for a S15 110L (15000 cap)
Swapped Front axle for a Dana 80 ( Modified for wide track)
Installed Kelderman Air ride suspension (12000 cap rear, 6000 front)
265/70R 19.5 Michelins 5500 single 5300 dual at 110PSI.

I do not have the camper yet but have pretty well decided on purchaseing after the boat sells.

Door Sticker is at 14500, with the mods I calculate I am at 16,500 to 17,000GVW.

Hello Gaget , I'm afraid the mods do nothing to change the GVWR rating of your unit. They make it
feel better and able to carry the load but the rating ( legally ) stands at 14500 . I went through this line of thinking
at the time I tried to get my 350 rated higher GVWR and is the reason we had the 550 built in 2000 to get
the 17500 rating . If we were 2 wheel drive the rating would be 18500 . I only licence the unit just over the scaled
weight as licencing at full GVWR rating opens me here in BC to very costly licencing and to yearly commercial inspections .
an additional expence I don't need .According to my registration shows my unit is listed as commercial with
personal use .


cost I don't need .

CAMPING  where you spend a small fortune , to live like a homeless person .





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