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2020 Ram 3500 OEM Rear Air Suspension

otrfun
Explorer II
Explorer II
Quote from ramtrucks.com ref the 2020 Ram 3500 rear air suspension:

" . . . automatically adapting to shifting loads and changes in road camber, in addition to providing a parallel hitch between truck and trailer."

Ram has had an optional rear air suspension for a number of years. Is this camber feature new for 2019-2020? Wonder if it has the ability to automatically compensate for an in-bed truck camper that is heavier on one side?
19 REPLIES 19

Cummins12V98
Explorer III
Explorer III
I have heard good reports from truck camper owners. I haul 6k pin with ZERO squat. LOVE the system, 5 years with zero issues!
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

Groover
Explorer II
Explorer II
Unless they have one heck of an aircompressor for the system it won't be able to respond fast enough to control motion. For rapid response dynamic shocks are generally needed. On the other hand, an air system will have plenty of time to respond to an off center load, including a high load that is pushed off center by road with a lot of camber for drainage. I would expect it to make the truck parallel with the road, not vertical to the earth unless they have gotten really fancy.

JRscooby
Explorer II
Explorer II
My question is if would change ride height independently side to side fast enough to control motion, how in the world do they move the volume of air that fast?
I could be wrong, but that feature sounds like something that sells better than works...

carringb
Explorer
Explorer
Sounds like they are using the trucks built-in accelerometer (usually used for stability control), rather than a height-sensor. If so, this is great, because the height-sensors tend to be the most finicky component on full-air-rides. The mechanical arms get damaged from road debris, and the magnetic ones have to be adjusted perfect or they won't work either.
2000 Ford E450 V10 VAN! 450,000+ miles
2014 ORV really big trailer
2015 Ford Focus ST

BurbMan
Explorer II
Explorer II
I wouldn't see why not, clearly it's got ride height sensors if it can compensate for road camber and hitch squat. What's interesting is that it says it can compensate for "shifting loads" so I bet it's a huge help in controlling side-to-motion on uneven roads with the camper onboard.

I was just shopping 2015-2017 Rams and didn't see a single one with air suspension, so either it wasn't available yet or nobody ordered it....would be interested if anyone here on the forum has it on their truck.