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08-04-2018, 05:00 PM
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#1
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Montana Fan
Join Date: Jul 2018
Location: Fullerton
Posts: 209
M.O.C. #22148
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Just completed install of an Air Lift 7500XL on my Ford F250
A couple of weeks ago we bought our first Montana 3160 RL 5th wheel. This is our 3rd fifth wheel after owning a Crossroads and Wildwood units. I Installed an Air Lift 7500 XL airbag set, an Air Lift 16092 air compressor and dual guage pod on my Ford F-250 SD 4X4 Crew this weekend. The Air Lift manual says to run a minimum of 5 psi in the bags unloaded. When towing, what is a typical psi setting those who have air bags are using? Thanks for the response.
Donjamin
__________________
Donjamin & Laurie
Fullerton, CA
2016 Montana Legacy, 3160RL
2015 Ford F-250 SD 4X4
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08-04-2018, 05:34 PM
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#2
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Montana Master
Join Date: Jun 2018
Location: Carson City
Posts: 2,017
M.O.C. #21963
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Whatever it takes to just make the truck level. All situations are different as far as pressure. You will know when you go too much because it will feel like a hard tail Harley.
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08-04-2018, 05:49 PM
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#3
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Montana Master
Join Date: May 2017
Location: new caney
Posts: 1,050
M.O.C. #19873
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I have the firestone airbags and i run about 40 to 42 pounds in them.Your goal is to run level so just what ever it takes to do that.
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08-04-2018, 06:09 PM
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#4
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,899
M.O.C. #20477
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Quote:
Originally Posted by Donjamin
A couple of weeks ago we bought our first Montana 3160 RL 5th wheel. This is our 3rd fifth wheel after owning a Crossroads and Wildwood units. I Installed an Air Lift 7500 XL airbag set, an Air Lift 16092 air compressor and dual guage pod on my Ford F-250 SD 4X4 Crew this weekend. The Air Lift manual says to run a minimum of 5 psi in the bags unloaded. When towing, what is a typical psi setting those who have air bags are using? Thanks for the response.
Donjamin
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Donjamin,
Welcome to the forum!
I run 45-50 PSI in mine pulling the same rig.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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08-04-2018, 06:23 PM
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#5
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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55 in my Firestone airbags.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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08-04-2018, 07:10 PM
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#6
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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32-35# for me. I also have a Fifth Airborne pinbox that I carry about 85# in the puck.
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08-05-2018, 07:48 AM
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#7
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Montana Fan
Join Date: Jun 2015
Location: Livermore
Posts: 321
M.O.C. #17521
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The truck being level isn't correct. Normally the truck may not sit level. The back may be a little higher than the front. It's best to find a level spot and put a level on the bed rail and see if the truck is in fact level. You would however like the trailer to be as level as possible. it doesn't have to be perfect but make it as close as you can.
I like 60 pounds in mine. I have Firestone.
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08-05-2018, 12:12 PM
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#8
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Montana Fan
Join Date: Oct 2017
Location: Fulton
Posts: 456
M.O.C. #20688
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Wow that’s some serious weight on a 3/4 ton truck, good luck and enjoy.
__________________
Wayne & Malinda
2018 Montana 3731FL
MORryde IS/DiscBrakes
2017 F450 DRW KR 4x4
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08-05-2018, 01:42 PM
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#9
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Montana Master
Join Date: May 2017
Location: new caney
Posts: 1,050
M.O.C. #19873
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Agree, 3/4 ton truck is a little light for these newer 5th wheels.
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08-05-2018, 03:26 PM
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#10
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Montana Master
Join Date: Nov 2007
Location: Kville
Posts: 2,865
M.O.C. #7871
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Quote:
Originally Posted by Texan
Agree, 3/4 ton truck is a little light for these newer 5th wheels.
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...and air bags won't help carry the load.
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08-05-2018, 03:29 PM
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#11
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Montana Fan
Join Date: Dec 2017
Location: Sharpsburg
Posts: 202
M.O.C. #20974
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25-30 in my Firestone bags
__________________
2023 GMC 2500 HD AT4
2018 High Country 340BH
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08-05-2018, 05:30 PM
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#12
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Montana Fan
Join Date: Apr 2016
Location: Medford
Posts: 498
M.O.C. #18546
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I run 20-25 in my Airlifts. While Airlift and Firestone for liability reasons warn that the airbags will not increase the load capacity of your truck, in reality, if the bags keep you from bottoming out on the snubbers, they have, in fact increased your "capacity". It does not increase your GVWC, axle load capacity, tire capacity or GCVWC. Some here will argue legality, but lets not open THAT can of worms.
__________________
2016 Montana High Country 310RE
2020 Chevrolet Silverado 3500 HD LT CC 4x4 Duramax
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08-05-2018, 05:46 PM
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#13
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Established Member
Join Date: Mar 2018
Location: North Augusta
Posts: 30
M.O.C. #21463
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My son and I have two 2018 3791RD's and two 2016 F-250 SD 4x4's. We set our Air Lift air bags at 55psi.
We have no problems pulling I-40 in the Smokey Mountains as well as I-26 from Columbia SC to Johnson City TN!!!!!
FYI....We have owned these FW'S for a year and no problems!!!
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08-06-2018, 11:12 AM
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#14
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Montana Fan
Join Date: Jul 2018
Location: Fullerton
Posts: 209
M.O.C. #22148
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Quote:
Originally Posted by w5352
My son and I have two 2018 3791RD's and two 2016 F-250 SD 4x4's. We set our Air Lift air bags at 55psi.
We have no problems pulling I-40 in the Smokey Mountains as well as I-26 from Columbia SC to Johnson City TN!!!!!
FYI....We have owned these FW'S for a year and no problems!!!
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It is my understanding that the 3160 RL Legacy is one of the smaller Montana models. One of our previous 5th wheels was a Forest River Wildwood 32RL. It's dry weight was identical to the 3160 and we towed that trailer for 15 years without any issues with two different F-250s. The first F-250 was a 1998 7.3 L diesel. The second 2005 F-250 had the infamous 6.0L diesel. I had lots of non-towing turbo issues with the 6.0L diesel, but that is a story unto itself.
D.
__________________
Donjamin & Laurie
Fullerton, CA
2016 Montana Legacy, 3160RL
2015 Ford F-250 SD 4X4
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08-06-2018, 11:33 AM
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#15
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Montana Master
Join Date: Sep 2014
Location: Full Timer In Naples, Florida
Posts: 1,049
M.O.C. #15731
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I do know that if you tow over capacity and you end up in an accident your insurance can deny your coverage. And you can be held responsible for any damages to others. Up to and including property damage and personal injury due to negligents.
__________________
2017, 3500 Ram Big Horn, 4x4, Crew Cab, DRW, Aisin Transmission, 4:10. Curt Q20, 2014 Mountaineer 331 RLT, Sailun's on the rv and truck.
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08-12-2018, 01:17 PM
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#16
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Montana Master
Join Date: Nov 2009
Location: Wampum
Posts: 571
M.O.C. #9928
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Park the truck on level pavement anx measure from the ground to the bottom of the bumper in the middle. THAT is your target for when you are hitched up.
Now hook up and see how far the truck drops. Apply air until the truck returns to the correct height as measured before the trailer. You're done.
__________________
"What happens at camp stays at camp"
2018 3121RL
2016 Ford F350 SB SRW
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08-12-2018, 02:18 PM
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#17
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Montana Fan
Join Date: Apr 2013
Location: Lehigh Acres
Posts: 492
M.O.C. #13354
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What is most important, a level Montana, or a level truck during towing?
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08-12-2018, 03:15 PM
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#18
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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I do not know about any of this other stuff but we adjust our bags so the Montana and truck are as level as they can be.We like it like that.
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08-12-2018, 03:20 PM
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#19
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Established Member
Join Date: Apr 2016
Location: Folsom
Posts: 17
M.O.C. #18526
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Air Bags
We have a 3160RL and our F250 has Firestone air bags. We inflate to 35psi.
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08-12-2018, 05:12 PM
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#20
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Montana Fan
Join Date: Nov 2011
Location: Albany
Posts: 407
M.O.C. #11972
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I have the Firestone bags with the self-leveling system. Under load, when the system levels up, the pressure is about 40 psi.
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