Class A Motorhome, CAT Scale, 4 Corner Weigh
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 Published On Jun 11, 2022

Always do a 4 Corner Weigh on a Class A Motorhome and not an axle weigh. Doing a 4 corner weigh will give you the data you need to properly inflate your motorhome tires with the right PSI and also show you whether or not you need to redistribute any weight in your motorhome.

You guys know how much I stress weighing your RV and having your tires aired up to the proper PSI right? I talk about this all the time.

You remember back in October of 2021 I bought 6 brand new Toyo M122 tires. If you want to see all the in’s and out’s of buying and installing new MH tires watch this video:    • In's & Out's of BUYING & INSTALLING N...  

Whether it’s a Pilot truck stop or any other location where there’s a CAT scale, some of these CAT scales will have a steel pipe guards on the sides of the scales and that will prevent you from doing a 4 corner weigh. In my experience though most locations don’t have these guards but some do. So if you’re going to use a CAT scale to weigh your motorhome make sure they don’t have these guard rails on the sides of the scales.

When you go to weigh your motorhome you want to do a 4 corner weigh. NOT just an axle weigh. If you just do a axle weigh you are not going to know where your weight distribution is and you’ll also not know what tire position is carrying the most weight. And that information is important to know to be able to air up your tires to the proper PSI. So if your going to weigh, do it right and do a 4 corner weigh.

Doing a 4 corner weigh on a CAT scale is called a “Split Weigh”. This is much different than what the lady is used to at the Pilot Station and I didn’t want to try to explain this to her over the intercom. Communicating clearly what you want to do before you do your weigh will eliminate any confusion. So after I discussed with her my plan I went back to the coach to do these 3 weighs.

Those who follow my channel know that I prefer and use Escapees for weighing my Class A Motorhome. They use individual scales under each tire and by doing that your going to get the most accurate weigh. To do a 4 corner weigh at Escapees they also check your height and other items on a check list that they go over with you. Escapees has 3 locations, AZ, TX and FL. But going to a Escapees location is just not feasible for many of you. I get that. So getting your motorhome weighed on a CAT scale is the next best option. It’s not as accurate as Escapees but it’s going to get you close enough when Escapees is not an option.
Escapees Smart Weigh - https://www.escapees.com/?s=smart+weigh

IMPORTANT FOLLOW UP VIDEO AFTER YOU’VE DONE A 4 CORNER WEIGH
So now that you have this weight information you can now calculate how to properly air up your tires by watching my “INFLATE your MOTORHOME TIRES to Proper PSI” video. You watch that video here:    • How to CALCULATE tire pressure for a ...  

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DISCLAIMER:
We are in no way experts or professional mechanics. But being a journeyman millwright for years & being EX Military, has proven to be very helpful in my lifetime learning how to care for & maintain all sorts of machinery & equipment like: helicopters, airplanes, tanks, motorcycles & many types of other vehicles. That, along with 18 months preparing & upgrading our RV before we went full time, & now traveling for several years has gained us a lot of knowledge. Regardless of what we recommend, consult a professional if you're unsure about working on your RV. Work you perform or products you purchase based on any information we provide is at your own risk.

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