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Old 03-06-2013, 06:25 PM   #15
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Dropped rear tire pressure to 45psi per door label for no load and the ride improved greatly. Towing the fronts are at 60 and the rears are currently at 50. Will study weigh ticket tonight from weighing the rig with full drinking water plus 5 gallons of slosh water in both gray and black water tanks which added over 400 pounds to the rig.

Really a smooth loaded ride on highways and decent two lane roads. A real choppy road is still uncomfortable for me and the rig. Slowing down to a speed that synchs with the frequency of the bumps really helps on this truck ad it did on a 90s vintage diesel suburban.
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TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell

2014 31' Classic model 30 twin beds, 50 amp service, 900 watt solar system, Centramatics, Dill TPMS, disc brakes, 16" tires & wheels
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Old 03-07-2013, 09:07 AM   #16
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The air suspension conversion is not an inexpensive proposition. If one goes to the Kelderman website, the prices are for the conversion kits only. Installation and sales tax must be added.

My wife is still taking care of her Mum in the UK and has yet to ride in the truck. Thus she will lack the knowledge of before and after the suspension modification. It is not a luxury car ride! However, a full figured lady would definitely sense the improvement in ride.
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Old 03-09-2013, 12:15 PM   #17
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KELDERMANN was the first class choice for an air ride suspension. DODGE calls upon them for concept vehicle work.

". . A real choppy road is still uncomfortable for me and the rig."

Thus the air-ride seat recommendation. Keep this in mind:

I've moved several 78-79k loads from the Corpus Christi bay area along IH-10 in Louisiana the past few weeks. The 367 Peterbilt air-ride seat cuts (let's call it) the "experienced vibration". The truck cab and truck suspension are air ride as is the pneumatic trailer. It's the seat that keeps me from coming apart on those older sections of road near Lake Charles and Lafayette which have that sectional choppiness to which I believe you refer . . after all, stopping at DON'S Specialty Market in Scott, LA is a road trip requirement. One wants to be able tune in Public Radio for southwest Louisiana, polish off that pound of boudin with some cracklin's and thunder on down the road behind that big Cummins. Without the seat the fatigue factor cuts the day short. Can't afford that at all on one of these trips.

And what that seat takes away from an oil lease road out near the Mexican border has to be experienced.

.
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Old 03-11-2013, 05:30 PM   #18
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So I finally got the wheels off and the trailer in the air. There's not enough room down there for the air ride system. At least the way it's pre-fabricated by Dexter. The Water tanks and sewage tanks are completely in the way. If the trailer didn't have them hanging down below the frame, then maybe. Or you'd have to get drop axles and mount a sub-frame lower than the tanks.... It would be ridiculous.

I guess it's regular axles for me.

-Kevin
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Old 03-11-2013, 06:02 PM   #19
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I got higher angle axles for mine, plus increased wheel size ... that gave me about 2 inches more ground clearance. I think this, together with some "real slow drivin" in low range plus a bunch of "get out and take a look" sessions will help when off pavement. Do remember that the more you raise the trailer, the more you alter its handling capabilities in emergency maneuvers.
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