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Jun 29

Weigh Your RV For Safety Sake!

Is it really necessary to weigh your RV?  If you keep the tire pressure at the manufacturer’s recommended value, won’t that do?  Let me suggest what could happen if you are wrong.  If you put more weight in an RV then you thought you were actually carrying, and the tires are not set at the correct pressure for that load, or you are overloaded, this is what can happen:

  • Tire failures
  • Reduced handling capacity
  • Possible breakdowns
  • Increased stopping distance
  • Increased tire wear
  • Suspension component wear
  • More fuel used
  • Possible sway in crosswinds
  • And …. Increased Driver Fatigue!!

It is extremely important to get this right or you could suffer any one of these issues, if not multiple items.  To weigh an RV is a simple thing, but very important!  To know the load on each tire is the only way to be able to set the RV tires at the correct tire pressure.

Can you guess and get close?

Yes, you can.  If you know what the RV weighs empty (it comes from the manufacturer with a weight sticker), and you load it based on the weight of each item you bring on board or group of items, then you can get pretty close to the weight that is placed on each tire.  But that is a pretty laborious task!  Wouldn’t it be easier to take it to an appropriate facility and get it right?

Weigh Your RV
Pilot/Flying J Scales

 

I can tell you from experience that when you load an RV for travel: you put all your clothes, kitchen items, cleaning items, tools, toys, etc. it is entirely possible to have hundreds more pounds of weight on one side of the RV than the other side.  Is this a good idea?  Well, you can as long as it does not look like it is leaning to one side.  But most important then is to set the tire pressure accordingly.  As much as possible balance the load!  But, you can only do that once you weigh your RV!

So, where can you get this done?

Pilot/Flying J truck stops have certified truck scales that can help to determine axle weights.   Even some weigh stations along the highway are willing to help with this task.  But, for an RV, given its load variations due to tanks, fuel, owners personal possessions, it is much better to weigh each tire to determine exact loads on that trip.  Once you have that information you can adjust for each trip thereafter.

Each Tire Being Weighed
Each Tire Being Weighed

 

There are services that use individual  tire scales that can accomplish the task!  They are very accurate and provide a printed weight sheet.  Individual wheel weights are necessary to identify and resolve side-to-side balance and tire loading issues.  Once you know this you can set your tire pressure, for each tire, based on the load it is carrying.  This is so important for traveling safely while on the road in your RV!

Driving a Motor Home onto a Tire Scale
Driving a Motor Home onto a Tire Scale

 

Most times I have found these folks at RV shows, RV sales and service centers, and mobile folks who just offer this service.  Check locally with your RV dealer.  If that does not work, do a Google search for RV tire weighing services, or something close to that phrase.  You should be able to find someone near you, or perhaps near where you will be traveling to.

As a side note let me add some information about the liquids onboard an RV.  To help in your calculations, here are the approximate weights of the liquids RV’s can carry: water is 8.3 lbs/gal, gasoline is 6 lbs/gal, diesel fuel is 6.6 lbs/gal, and propane is 4.5 lbs/gal.  These can add up fast, especially if you are traveling with a full fresh water tank: in a trailer with a 75-gallon tank, that can add 623 extra pounds.  That’s needed if you are boon docking, but not if traveling from campground to campground.  A quarter of a tank of fresh water will do!

Okay, I think you get the idea!  Please take tire safety seriously!  Like the commercial says: “a lot is riding on your tires!”

Please take tire safety seriously!  Like the commercial says: “a lot is riding on your tires!”

 

Howard and Pam wish you safe and joyous travels!

 

Please feel free to leave comments if I can answer any questions you may have!

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