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Old 03-28-2014, 01:10 PM   #1
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2013 Fleetwood Excursion 33A tire inflation pressures

I see many variables in proper inflation for the tires on this diesel pusher. I have a copy of the tire manufacturer's load/pressure recommendations. In some cases due to weight distribution, it appears that the front tires would be inflated more than the rear tires as the 6KW diesel generator is mounted in the front of the coach. This seems confusing as the engine/transmission certainly out weighs the generator. Has anyone been able to solve these and other inflation issues for this coach? Or, am I overthinking this issue?

I am currently running 105 psi front and 100 psi rear for my estimated weights The label in the coach recommends 105 psi rear and 120 psi front for max loads. The tires are Goodyear G 70s on 22.5 inch rims with 120 max psi on the sidewalls.

Thanks for your ideas, etc.

Ray
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Old 03-28-2014, 03:14 PM   #2
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Until you get your coach weighed at a truck stop, nobody can
give you an accurate answer. Because you may have two tires
in the front, and four in the rear the inflation will often be
more up front that the rear. Excessive pressure (below the max)
will not cause anything other than poor tire wear and a hard ride.
Under inflation is dangerous and can be damaging to the tires.
Next time you are near a truck stop, pull onto the scale and
go inside to get your weight, usually around 10 bucks.
You will likely find your front weighs half as much as
the rear.
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Old 03-28-2014, 05:38 PM   #3
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Had my 2013 35B on the scales. I run 90 in the front and 85 in the rear. Just so you know. We have a 2013-2014 Excursion forum here under Fleetwood forum.
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Old 03-29-2014, 10:38 AM   #4
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Quote:
Originally Posted by macandphyl View Post
Until you get your coach weighed at a truck stop, nobody can
give you an accurate answer. Because you may have two tires
in the front, and four in the rear the inflation will often be
more up front that the rear. Excessive pressure (below the max)
will not cause anything other than poor tire wear and a hard ride.
Under inflation is dangerous and can be damaging to the tires.
Next time you are near a truck stop, pull onto the scale and
go inside to get your weight, usually around 10 bucks.
You will likely find your front weighs half as much as
the rear.
I agree and a complete waste of time without at least axle weights. I have always added a 10 - 15psi cushion over the chart specs. to take care of all the variables, such as on going, side to side differences, ambient temp. changes and possible slow leaks before they can be caught at the end of the day. Whatever the case, a little more is always better than not enough, which creates heat, damage and possible blowouts.
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