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08-23-2016, 12:18 PM
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#1
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Senior Member
Winnebago Owners Club
Join Date: Mar 2011
Location: West Virginia
Posts: 126
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Motor home weight
Had the motor home weighed today, 04 Winnebago sightseer 31 ft. 1/3 tank water full tank gas. Front axle 5320 rear 10300 lb. Tires are 245 70 R 19.5. Looking a tire pressure chart I can lower pressure in tires from 80 to 70 psi.If I am looking at tire pressure chart wrong, some one point out my mistake.Using Good year load chart for RVs. Thanks.
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08-23-2016, 12:23 PM
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#2
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Senior Member
Vintage RV Owners Club Spartan Chassis
Join Date: Aug 2000
Location: Cedar Park, Tx.
Posts: 449
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You might want to run them a little higher than necessary because one side may weigh more than the other.
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1995 BlueBird BMC 37
2013 Jeep Wrangler Rubicon Unlimited
1984 BlueBird Wanderlodge FC35RB-Sold
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08-23-2016, 01:14 PM
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#3
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Senior Member
Winnebago Owners Club
Join Date: Sep 2013
Location: Ft Worth texas
Posts: 1,110
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This is what mine says for a 33l
Sightseer. 80 psi cold.
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2003 Sightseer 33L 
Ford F53
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08-23-2016, 01:25 PM
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#4
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Senior Member
Monaco Owners Club
Join Date: May 2012
Location: DFW, Tex-US
Posts: 6,196
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Don't know your rv - but according to the chart - you will still have more than enough rating up front...
but maybe 75 on rears might be better !
but 5k only on the front axle ?!?! that's light 
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'11 Monaco Diplomat 43DFT RR10R pushed by a '14 Jeep Wrangler JKU. History.. 5'ers: 13 Redwood 38gk(junk!), 11 MVP Destiny, Open Range TT, Winn LeSharo, C's, popups, vans, tents...
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08-23-2016, 01:28 PM
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#5
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Senior Member
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 9,941
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Quote:
Originally Posted by Johndale
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Johndale,
That is the I.D. plate and is for general application. Your coach manufacturer has no idea what you plan on running for ACTUAL weight. It obviously won't kill you to run those suggest psi's. But, in reality, you should do what the OP did and, set that coach up for a trip, full water (I do full water 'cause you never know when you might be stranded without hookups), full fuel, all the equipment/camping gear/chairs/clothes and what not. Then run it down to some scales and see what it ACTUALLY weighs.
Then, based on whom ever made your particular brand/size/load rated tires, go to their weight chart and see what THEY recommend, for your particular application.
Scott
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2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '20 Honda NC750X DCT
 2018 Goldwing Tour DCT Airbag
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Heidi character, (mini Schnauzer)!
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08-23-2016, 01:45 PM
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#6
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Senior Member
Winnebago Owners Club
Join Date: Mar 2011
Location: West Virginia
Posts: 126
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Coach drives great,I start every trip with full tank of fuel and about 1/3 tank water. Water tank is behind axle,fuel never goes below 1/2 tank.Will probable set tire pressure at 70 front 75 rear.
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08-23-2016, 02:01 PM
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#7
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Senior Member
Join Date: Dec 2013
Location: Plantation, Fl
Posts: 1,884
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Since it drives great at 80# in the front, why lower it to 70# 
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2024 Jayco Redhawk 26 M (OCCC challenged)
2017 RWD F 150 with a drive shaft disconnect
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08-23-2016, 02:33 PM
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#8
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Senior Member
Winnebago Owners Club
Join Date: Mar 2011
Location: West Virginia
Posts: 126
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Quote:
Originally Posted by Mich F
Since it drives great at 80# in the front, why lower it to 70# |
It drives nice until I hit a chuck hole,sounds like it is coming apart.
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08-23-2016, 03:47 PM
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#9
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Registered User
Join Date: Feb 2008
Posts: 3,607
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First, take a close look at tread wear across the width of the tire. If it's even, shoulder to center to shoulder, the 80# isn't hurting anything. To get a better ride you can go to 75 or 70 but you may find it doesn't track as well at the lower pressures as the sidewall will be flexing a bit more than you saw at 80#. If it still tracks smooth and you don't get any more side push with a good crosswind or when an 18 wheeler is passing, go for the lower pressure. A 5 or 10 pound reduction may be a great help in ride, or may give you very little. You're now fine tuning the suspension for your particular coach and your comfort and handling. Any choice you make in these areas is correct, you're just making it more correct for how and where you drive. Good luck and safe travels.
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