dry truck weight

Dayle1 wrote:
Thanks for all the responses. In my personal experience, I've never owned a tow vehicle where the rear GAWR didn't match the tire load capacity. And always figured that optional tires were an appearance upgrade and they would not have a higher load capacity.

On a similar line, when people ask about what PSI to use in their trailer tires, the most common answer seems to be to inflate them to the max PSI on the tire sidewall. I can't recall anyone referring to the sticker on the side of the trailer.

But now I know. Now to explain to my friend that he is overloaded, especially running just 60-65 PSI. The obvious answer is to get to a CAT scale. However we are in a remote area for awhile, don't even have cell phone reception w/o driving 30 miles. But I'll work thru that in the next few days. Again, thanks.

Why are you so sure that he is over his GRAWR????

Depending to tires and axle, you could be surprised. When towing my 32' 5er, I am about 630# under my GRAWR of 6,084#. That rating is based on the stock tire size of 245/75-16E @ 80psi(3,042# ea.). My truck with a camper package, didn't change the GVWR or axle rating on the VIN sticker, but added 3500 springs and rear sway bar AND 265/75-16E tires rated at 3,415# ea.
So I have 6,830# of tire capacity carrying 5,454# of weight or about 80% of max, so I run the tires at 70 psi towing.
If his TV has 18" tires the ratings are in the 3,700# range, while 17" only have a rating of 3,195#.

Running tires at MAX psi is hard on the tires and the ride. I drop mine to about 45 to 50 psi when not towing. Running max psi empty reduces the contact area of the tire and the road.