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05-25-2016, 05:48 PM
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#1
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
Posts: 2,563
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Tire Pressure
OK - I have Michelins on my coach... What is the recommended cold pressure?? Front and rear....
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05-25-2016, 06:12 PM
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#2
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Senior Member
Join Date: Apr 2008
Location: Long Island (Nassau County), NY
Posts: 4,352
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Ernest,
You would need the weight of your coach at each wheel (preferably). If not, front axle and rear axle weights would suffice. You would then go to Michelins chart to see what pressure they recommend for your weights and tire size. But, as I said, you need to get the weight of your coach.
Tom
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Tom and Margaret
2014 Berkshire 390bh-60
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05-25-2016, 06:27 PM
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#3
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
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I know you're correct but I just need a ballpark idea....
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05-25-2016, 06:31 PM
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#4
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Senior Member
Join Date: Apr 2008
Location: Long Island (Nassau County), NY
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Tom and Margaret
2014 Berkshire 390bh-60
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05-25-2016, 10:02 PM
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#5
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Senior Member
Join Date: Feb 2014
Location: Dallas TX
Posts: 1,675
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Quote:
Originally Posted by ernest917
I know you're correct but I just need a ballpark idea....
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What size tire?
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Dan
2014 Berkshire 390RB-60
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05-25-2016, 10:51 PM
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#6
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
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255/80/22.5 tires.... 100psi all around OR 105 psi up front and 110 psi rear???
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05-25-2016, 11:13 PM
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#7
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
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Man that chart confused the heck out of me....
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05-26-2016, 06:53 AM
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#8
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Senior Member
Join Date: Sep 2011
Posts: 522
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When i had the 255s I ran 110psi all around. With the 275s I run 105 psi we like the handling and stiffer ride.
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2011 Berkshire 390-rb-40, upgraded tires and front axle airbags, 2012 Jeep Wrangler 2 door, Blue Ox baseplate and BlueOx aladdin tow bar, Blue Ox Patriot brake system, wiring run through right frame rail and homemade led taillight bar.FB.
Ham KG5LTL.
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05-26-2016, 07:08 AM
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#9
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Senior Member
Join Date: Apr 2014
Location: Iowa
Posts: 1,413
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I'm surprised that you don't have a "sticker" that tells you the recommended tire pressure attached to your coach.
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Days camping (2016)----181 days
Days camping (2017) --- 82 days
2016 Wildcat MAXX 28RKX (33' TT), 2007 13' Scamp
2015 Ram Laramie Hemi, w/air suspension
30 years RV'ing
11 different RV's
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05-26-2016, 08:25 AM
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#10
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Senior Member
Join Date: Apr 2008
Location: Long Island (Nassau County), NY
Posts: 4,352
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Quote:
Originally Posted by RSchleder
I'm surprised that you don't have a "sticker" that tells you the recommended tire pressure attached to your coach.
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The tire pressure is dependent on the loaded weight of the coach (coach +fuel,water,passengers,food,holding tanks,propane,lawn chairs, etc,etc.). So the more stuff you put in, the heavier it gets and the tire pressure changes accordingly.
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Tom and Margaret
2014 Berkshire 390bh-60
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05-26-2016, 08:27 AM
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#11
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Senior Member
Join Date: Sep 2011
Posts: 522
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I would never go by the sticker. I use the tire manufacturer information. Need I say Firestone vs Ford Explorer? Ford recommended dangerously low pressures that cause major problems.
__________________
2011 Berkshire 390-rb-40, upgraded tires and front axle airbags, 2012 Jeep Wrangler 2 door, Blue Ox baseplate and BlueOx aladdin tow bar, Blue Ox Patriot brake system, wiring run through right frame rail and homemade led taillight bar.FB.
Ham KG5LTL.
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05-26-2016, 12:18 PM
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#12
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Senior Member
Join Date: Oct 2012
Location: Southwestern Mi
Posts: 1,242
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I've been running 90-95 rear and 100-105 fronts.
Rich
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05-26-2016, 12:50 PM
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#13
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Senior Member
Join Date: Apr 2012
Location: West Michigan/Fort Myers
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Remember there is a big difference between 255 and 275. Most of the Moho's that came with the 255 had to run 110 psi to carry the weight. I know it's been said but get it weighed. It's simple to do and there are CAT scales all over the place. Every truck stop has one. If you are concerned about how to do it park and go in and ask.
All you need to do is pull up to the scale and if you can reach the call button tell them it's a private weight not part of a company. Have your front axle on the first pad and your rear on the second pad with the toad on the third. If you need to be out side to reach the key pad just stand on the front pad. When done just go in and get your sheet. You can reweigh as many time in one day as you want. So if you want to see how a full tank of water effects the front axle go fill it and reweigh. Very easy to do and very important info to have.
Ernest I would think that going to a tire that carries more weight would give you a better ride if you are tire shopping. If I remember correctly you have that are Mercedes engine with the 3000 Trans. Your weak spot are the tires.
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05-26-2016, 01:44 PM
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#14
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
Posts: 2,563
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Phil....
My tires only have 4,500 miles on them so I won't be replacing them anytime soon - I hope.... I'll ck into getting coach weighed and go from there.....
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05-26-2016, 02:40 PM
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#15
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Senior Member
Join Date: Apr 2012
Location: West Michigan/Fort Myers
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Ernest I assumed they were original.
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05-26-2016, 03:11 PM
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#16
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
Posts: 2,563
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Phil....
I wish.... Had to replace mine a year ago due to age not miles.... Sidewall cracks......
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05-26-2016, 04:41 PM
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#17
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Senior Member
Join Date: Jun 2013
Location: Carmel, In
Posts: 178
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If I remember previous posts, Ernest has a 360QS with the Mercedes/3000 powertrain. The 360QS, being shorter, has fewer weight issues, and tire pressure would be less than a 390. If I recall earlier posts, I also remember him going to aluminum wheels (also lighter). I also have a 360QS, however I still think it best to work from actual loaded weights.
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