Towing air pressure on 3500 Dually ?? - Dutchmen Owners

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Old 07-21-2018, 12:19 PM   #1
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Towing air pressure on 3500 Dually ??

I have a 2018 Ram 3500 DRW 4x4 and am towing a Voltage 3600 TH. I have been running what the sticker on the door panel says 80 front and 65 rear. Any opinions?
Thanks,
SR
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Old 07-21-2018, 12:24 PM   #2
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Originally Posted by Sandrooney View Post
I have a 2018 Ram 3500 DRW 4x4 and am towing a Voltage 3600 TH. I have been running what the sticker on the door panel says 80 front and 65 rear. Any opinions?
Thanks,
SR
Same here with '05, 3500
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Old 07-21-2018, 01:11 PM   #3
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80 all round.
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Old 07-21-2018, 01:45 PM   #4
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Originally Posted by Sandrooney View Post
I have a 2018 Ram 3500 DRW 4x4 and am towing a Voltage 3600 TH. I have been running what the sticker on the door panel says 80 front and 65 rear. Any opinions?
Thanks,
SR
pump them up to what it says on the tires if you have changed the tires from the originals. If not, use the door sticker.
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Old 07-21-2018, 02:31 PM   #5
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There is a great forum for Ram that will have tons of information on this subject and there will likely be hundreds of members with your same truck and similar trailers. There are some super knowledgeable people over there and it seems like the members on that site are split between those that want to mod their trucks to make them faster (zero interest here) and those that tow a lot and even for a living. A few jerks too but just ignore them.

I believe the 3500 models allow you to adjust the TPMS settings in the truck so you can run lower without a warning if you are confident in what you want. In general the max psi setting will be on door sticker and those are the cold pressures you will need in order to carry the max weight. If you are under the max weight your truck is rated for you should/might be able to go with a lesser tire pressure. Most will tell you higher pressures translate to a rougher ride but obviously you need the minimum safe pressure to tow your trailer. I have a 2500 and always keep my tires at the door setting (65 front and 80 rear) for two reasons: first because I cannot adjust the TPMS settings and second because I donít want to have to worry about upping the pressures when I go get my trailer. Also, I guess there is a third reason too in that I know under inflated tires will wear poorly and I donít want to deal with that.

My truck is not an everyday driver so I am not striving for the perfect ride and donít mind the higher pressures.
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Old 07-21-2018, 02:55 PM   #6
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My door sticker says 70 front and 65 rear and the tires are wearing fine. I've weighed my 3600 and the actual weight on each tire falls into line with the air pressure chart for the tires - 65 PSI. There is no point running 80 PSI unless you like a really rough ride. BTW, when I weighed the truck and trailer the weight on the front axle was the same with and without the trailer.
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Old 07-21-2018, 05:51 PM   #7
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I guess with duallyís because there are four tires back there they can be lower than SRW rears. Makes sense as the load on each individual rear tire would be less.

Regardless, the point I was trying to make is that you can go lower than the recommended if you are towing/hauling less.
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Old 07-21-2018, 06:50 PM   #8
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Originally Posted by azdryheat View Post
My door sticker says 70 front and 65 rear and the tires are wearing fine. I've weighed my 3600 and the actual weight on each tire falls into line with the air pressure chart for the tires - 65 PSI. There is no point running 80 PSI unless you like a really rough ride. BTW, when I weighed the truck and trailer the weight on the front axle was the same with and without the trailer.
That's a well balanced rig...
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Old 07-21-2018, 10:17 PM   #9
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For what it's worth... the sticker on my F-450 states 75-fronts, and 60 in the rears. I've been running those pressures for over 4 years now with even wear & no issues.
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Old 07-22-2018, 03:38 AM   #10
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Originally Posted by franktafl View Post
That's a well balanced rig...
Is it?

The weight on the rear axle has gone WAY up and the front hasn't changed? I'd say that's UNbalanced.

That's why 5th hitches are mounted in front of the rear axle - to distribute load to BOTH rear and front.
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