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First time post and question about air ride and quality of ride on 2019 3500.

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Well I had a talk with a fellow who works at the Jayco visitors center and he warned me that the fifth wheel 377RLBH that I am getting this week would most likely need a DUALLY he said its over 42 feet long.
He said not because of its weight but because of it being a very large wind sail and that I would need to over truck just in case of high winds so here we go again boys lol.

I found this truck at Kernersville Ram and it has a 4.10 rear with a 1000 foot torque engine its a dually but not megacab but crewcab take a look boys its the same price range too.

It does have the gooseneck prep group and all the SAFETY stuff plus its a long bed so it should ride real nice boys.

Man they hate me lol at Kernersville Dodge LOL.




https://www.31dodge.com/new/Ram/2019-Ram-3500-kernersville-bfba2f1f0a0e0ae72b213ab9c41eaccf.htm#

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Yep its got the SAFETY stuff you betcha.
 
That is indeed a big trailer, and at Max GVWR it's just within the SRW payload specs, and well within tow rating, assuming it keeps it's 20% pin weight. At 25% pin weight and max GVWR that's too much trailer for a SRW. The longer wheelbase of the CCLB will also be better for towing, over the shorter MCSB wheelbase.

I wouldn't have any concerns towing that trailer with my SRW, as long as I ensured it was loaded properly to keep my RAW where it needed to be.

So it comes down to loaded pin weight, and intended duty cycle. If the trucks main purpose is to tow that trailer than a DRW seems like the best route. If it will tow that trailer 10% of the time then maybe looking at a SRW is better.

I know for me I am right at my RAWR/tire of my SRW several times a year and a DRW would handle that weight better, but the rest of the time a DRW wouldn't suit my needs and actually be a hindrance, so I load carefully and rock a SRW.
 
I dont even remember how to air up the inside dually tires its been such a long time since I owned one.

Where is the valve for the inside tire and I think they were at the opposite sides of the wheel????
 
The only thing missing is the BED STEP from the limited that you kick and it goes back under the truck bed.

I wonder how much it would be to have them install it at the dealership but a plastic step at home depot will work too.


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The tire stems should be pointing at each other if they are clocked the same.

489EFB2F-1719-4651-AC6F-11B636816523.jpeg


You can make out the stem for the inner tire. The lighting didn’t help with this picture. Sorry.
 
On a DRW max RAWR can be supported with 65 psi in the tires. You would likely only need around 45-50 psi for that 5er, fully loaded.

Running 35 psi empty is common, and more air than you need for the weight but any lower is too low.

For future reference this is a range of pressures and what they can support for a DRW running 235/80R17's

35 psi : 6280
40 psi : 6900
45 psi : 7480
50 psi : 8160
55 psi : 8620
60 psi : 9160
65 psi : 9880
70 psi : 10,220
75 psi : 10,700
80 psi : 10,940
 
I wonder how much it would be to have them install it at the dealership but a plastic step at home depot will work too.

AMP Research also makes one for ~$250 and it's a great feature to have. I had one on my 05, and bought the different bracked to move it to my '19.

The AMP bedstep also has a bigger tread area than the OEM one, and is easier to open from the one '19 OEM one I've seen.
 
Stuart,
You'll get a lot of answers to the airing of the rears with duals. I took a different approach when I had a 3500 dually... I aired them to 80 psi each when towing so if I blew a rear, I could easily goa ways to find a good spot to change it. Got a little less wear on them AND a tougher ride without the 5er, but had BETTER safety edge, IMHO

It doesn't matter much for the purpose of this thread, but on my current 5500, I air the rears to 90psi ALL the time. I have enough load EMPTY to have an OK ride, but the duty cycle on this truck is about 97% heavy towing, so I KEEP it configured for it. Whenever I recover from this blasted ankle surgery, I'll install my Viair full duty cycle compressor and maybe air down some between trips for local driving, although neither me or my wife mind a truck riding like a truck. We're a truck family.

Anyhoo, just another perspective on airing dually tires. Like so many other topics on here, there are MANY that there isn't really a right OR wrong answer, just educated opinions.

Cheers, Ron
 
Stuart,
You'll get a lot of answers to the airing of the rears with duals. I took a different approach when I had a 3500 dually... I aired them to 80 psi each when towing so if I blew a rear, I could easily goa ways to find a good spot to change it. Got a little less wear on them AND a tougher ride without the 5er, but had BETTER safety edge, IMHO

It doesn't matter much for the purpose of this thread, but on my current 5500, I air the rears to 90psi ALL the time. I have enough load EMPTY to have an OK ride, but the duty cycle on this truck is about 97% heavy towing, so I KEEP it configured for it. Whenever I recover from this blasted ankle surgery, I'll install my Viair full duty cycle compressor and maybe air down some between trips for local driving, although neither me or my wife mind a truck riding like a truck. We're a truck family.

Anyhoo, just another perspective on airing dually tires. Like so many other topics on here, there are MANY that there isn't really a right OR wrong answer, just educated opinions.

Cheers, Ron

I'll only add that over-inflated tires wear worse, handle worse, and are more susceptible to road hazard than a properly inflated tire. It's on of my major issues with a 2500 these days. 80 psi all the time is not only uncomfortable, but the safety margin is greatly reduced all of the time you aren't at RAWR. If you need a DRW for payload then it doesn't matter if your remaining tire is at 50 or 80 psi, it's overloaded and you either change it now or change it in a few miles. May as well run it at the optimal pressure.

It's sometimes a PITA, but I adjust my tire pressure often so that I can keep optimal pressure in the tires to provide the safest, smoothest, and longest ride out of the tires.
 
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