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12-08-2014, 04:58 PM
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#1
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Member
Join Date: Oct 2014
Location: O'Fallon, IL
Posts: 94
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Dodge Ram axle ratio
I tow a 27 ft Flagstaff with a Dodge Ram V6 that has a 3.55 rear axle option, or so I thought. It turns out that even though I paid for a 3.55, I got a 3.21. Has anyone had this happen? I am waiting for the deale and Dodge to act after my complaint. 
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12-08-2014, 05:41 PM
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#2
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Senior Member
Join Date: Apr 2014
Location: Iowa
Posts: 1,413
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Assuming the V6 is a gas engine, with 3.21 gears, it seems to me that you better not tow that much trailer in any mountains. The level of torque you have with the V6 coupled with the 3.21 rear tells me that you are rather limited in what you tow!
__________________
Days camping (2016)----181 days
Days camping (2017) --- 82 days
2016 Wildcat MAXX 28RKX (33' TT), 2007 13' Scamp
2015 Ram Laramie Hemi, w/air suspension
30 years RV'ing
11 different RV's
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12-08-2014, 09:01 PM
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#3
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Member
Join Date: Oct 2014
Location: O'Fallon, IL
Posts: 94
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#.21 with V6
The 3.6 with 3.55 has a max tow over 7000. The 3.21 has a max of 4200. Dodge will eat this truck or replace it with 3.55 gears.
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12-08-2014, 09:45 PM
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#4
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Senior Member
Join Date: Jul 2014
Location: Texas Hill Country
Posts: 269
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__________________
2014 Silverback 29RE, 2014 Ram 2500 CC 4x4 Hemi 6.4 auto w/ airbags, B&W Companion. Saltwater boats and rum like any good pirate.
Lose the 2nd and the rest will follow.
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12-08-2014, 10:34 PM
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#5
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Member
Join Date: Oct 2014
Location: O'Fallon, IL
Posts: 94
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2014 differential ratio
2014 Big Horn with the 3.55 as an option, but not installed. I have been all over the Dodge Ram forums and see most are talking 2013. I have yet to find anyone with a 2014 having the same issue.
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12-09-2014, 02:57 PM
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#6
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Senior Member
Join Date: Aug 2014
Location: Northern KY
Posts: 5,725
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Dodge used to post a small sticker under the hood with options, like rear ratio and engine size for that particular vehicle.
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12-09-2014, 03:09 PM
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#7
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Member
Join Date: Oct 2014
Location: O'Fallon, IL
Posts: 94
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3.21 vs 3.55
I have had the truck to the dealer and am waiting for a response from Dodge. The Option list shows 3.55, but the actual tag on the differentials (4X4) show 3.21. It is not a standard equipment issue, but an option not installed. I haven't found anyone who has gone completely through the process yet. 
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12-09-2014, 03:10 PM
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#8
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Junior Member
Join Date: Dec 2014
Posts: 4
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I have a 2014 2500 cummins with a 3.42rear axle ratio hope its ok for 34 foot big horn to pull.
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12-09-2014, 09:40 PM
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#9
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Senior Member
Join Date: Aug 2014
Posts: 496
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Quote:
Originally Posted by roadking5002
I have a 2014 2500 cummins with a 3.42rear axle ratio hope its ok for 34 foot big horn to pull.
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Cummins. You are fine.
__________________
Doc
____________________________________
2014 V-Cross Platinum 365VTSB (Bought Labor Day 2014)
TV: 2016 GMC 3500 Denali - Motor Ops Tuned
Days Camped 2016: 28
Days Camped 2017: 25 so far
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12-10-2014, 04:26 AM
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#10
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Member
Join Date: Dec 2014
Location: BrookPark,Ohio
Posts: 78
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My build sheet sez 3.55 on my 13 Ram Laramie 5.7 and now I am wondering because I read more and more about this.Guess I will have to climb under the truck today and have a good look at the axle tag.
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01-11-2015, 02:55 PM
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#11
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Member
Join Date: Oct 2014
Location: O'Fallon, IL
Posts: 94
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Dodge resolution on axle ratio
Dodge is buying my 2014 truck with an MSRP to MSRP swap for a 2015 Hemi Big Horn. The Hemi has 3.21 gears, but can tow 8000 lbs. They will pay all costs and no mileage deduction. I only pay the difference between a 2014 V6 and a 2015 Hemi V8, about $2800. One thing that is IMPORTANT! Call Dodge yourself and keep the dealer out of it. Dodge gave me about a $1200 break from what the dealer would do. They also said I could have this deal at any dealer, just let them know.
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02-09-2015, 01:25 PM
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#12
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Member
Join Date: Oct 2014
Location: O'Fallon, IL
Posts: 94
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Anyone having an axle ratio problem should deal directly with Ram. Dealers will try to get mileage charges and depreciation. Ram has to be called every other day as they are slow at everything, but keep at it. After the deal was done I had to sign a non-disclosure statement so Ram looks blameless. Fight for an MSRP to MSRP swap with new accessories rather that moving them.
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02-09-2015, 01:44 PM
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#13
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Senior Member
Join Date: Jan 2012
Posts: 327
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I have a 2011 is this year affected. I like my truck though.
__________________
Ram 1500
Big Horn
Hemi 5.7 2011
Salem 30KQBSS 2012
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02-09-2015, 02:47 PM
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#14
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Member
Join Date: Oct 2014
Location: O'Fallon, IL
Posts: 94
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I only know that the 2013 and 2014 models were the ones having the problem. Mine had a window sticker that said the 3.55 was an option I paid for,but wasn't the fact.
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02-09-2015, 04:11 PM
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#15
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Junior Member
Join Date: Sep 2014
Posts: 27
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Sounds like they are taking care of you. There was a guy on cumminsforum that ordered a 4x4 dually and when it was delivered it had the correct gear in one diff and a different ratio in the other.
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02-09-2015, 11:44 PM
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#16
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Member
Join Date: Apr 2014
Posts: 32
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This is a known issue on late '13 early '14 MY Rams. I think there was a shortage of 3.55 at the end of the '13 production, so Ram decided to put 3.21 in its place. With the 8 speed transmission, the 3.55 gear ratio has been pretty much eliminated in most 1500 applications from '14 on.
Glad Ram took care of it for you. 
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