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Old 04-06-2015, 03:14 PM   #1
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Hello, Have had a couple of small trailers but bought a new 2015 Coachmen Leprachaun Class C model 26 DSC (26 foot double slide Chevrolet 4500 van chassis with 6 liter V8) Just drove it home 15 miles a week ago from the dealer, too cold to camp yet in MN, it is still winterized but have been working on stocking it and ordered some RV stuff for it.

Question how much air pressure in the 16 inch Class C tires sidewall says up to 80 pounds.
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Old 04-06-2015, 03:31 PM   #2
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Good luck with it and enjoy it.
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Old 04-06-2015, 03:32 PM   #3
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for best performance and comfort you need to know how much your rig weighs and look at a tire chart to determine the best pressure setting. Just cause the tire says the max pressure allowed, you don't want to put that much in.. I have a 26 Ft Class C and I run 60 in the rears and 55 in the front. I had my unit weighed and looked at the Firestone tire chart and that was the pressure they recommend for the weight of my unit.
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Old 04-06-2015, 03:57 PM   #4
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for best performance and comfort you need to know how much your rig weighs and look at a tire chart to determine the best pressure setting. Just cause the tire says the max pressure allowed, you don't want to put that much in.. I have a 26 Ft Class C and I run 60 in the rears and 55 in the front. I had my unit weighed and looked at the Firestone tire chart and that was the pressure they recommend for the weight of my unit.
Thanks John and RBeau, Thought that 80 pounds sounded high, I can get it weighed at the metal recycle drive up scale, looked at the drivers door jam and is marked 65 front and 80 lb's rear.
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Old 04-14-2015, 04:01 AM   #5
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Thanks John and RBeau, Thought that 80 pounds sounded high, I can get it weighed at the metal recycle drive up scale, looked at the drivers door jam and is marked 65 front and 80 lb's rear.
you need to run 80 psi in the rear , running less than 80 causes those tires to run hot..

and you will get no gain with less pressure,,,

I'm gonna guess that you are close to max weight on that coach and tire size..

seem like the one I had only 14k gvwr
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Old 04-14-2015, 06:16 AM   #6
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I have a class c also. Had it weighed and was told to run 70 rear and 65 front. Higher than the manufacturers recommendation but my tires are rated at 80 also.
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Old 04-21-2015, 11:01 PM   #7
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I'd have to check to see what my tires say for max pressure but I run 65 in the rear and 60 in the front. I have not weighed my rig to check recommended pressure, just go by the markings on the door.

Welcome and Good Luck!!
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Old 04-22-2015, 03:20 AM   #8
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Looked,at the door markings dry weight is 10,080 lbs 26 foot class C tire pressure marked 65 front 80 rear so this what I used with 55 lbs in the rear air bags.
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Old 04-22-2015, 08:56 AM   #9
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Just a heads up to let you know that your motor home is actually 27'11" long, not 26'.
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Old 04-22-2015, 12:26 PM   #10
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Thumbs down Ignore your "Dry" weight

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Looked,at the door markings dry weight is 10,080 lbs 26 foot class C tire pressure marked 65 front 80 rear so this what I used with 55 lbs in the rear air bags.
Dry weights are useless (dangerous) jokes. Your coach hasn't been that light since it rolled out of the factory. Load the coach realistically to match your future use and take it to a CAT scale. This will give you not only total weight but your front and rear axle weights. Check those numbers against the tire manufacturers load/PSI chart for the proper inflation. I sincerely doubt you will need 80 psi.

The psi numbers on your door are not much more accurate than the dry weight. Each tire manufacturer has different load ratings and you need the proper inflation for that particular tire based upon the actual load they will be carrying.

Most folks with a coach like yours find that 70 - 75 on the rears and 60 - 65 on the front will be about right but this is pure speculation until you have the coach weighed.

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