3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Differential Question for 2007 5.9 Owners

Old 07-30-2007, 02:43 PM
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Differential Question for 2007 5.9 Owners

I was killing a little time checking out the Dodge website and comparing the options/costs on the 2007 2500s to my 2006 2500. One thing I noticed is that as you go through the "Build Your Vehicle" steps on the website, when you get to the powertrain page and choose the 5.9 engine you wind up with a 10.5" rear axle. The website says that the 11.5" is only available with the 6.7 engine. First I heard of this. Of course, Dodge's website may be wrong.
Old 07-30-2007, 02:52 PM
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That is very interesting!! Can you still spec a truck with the 5.9 on it???? If so, then they are really behind!! LOLOL
Old 07-30-2007, 03:17 PM
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Are you sure it doesn't say 5.7L? Most likely they mean the HEMI engine and have the displacement screwed up. You can't get the 5.9L Cummins anyway.....
Old 07-30-2007, 03:57 PM
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Just bought a 2007 5.9L Lone Star edition which is one of three towing packages available in Texas, the options included a 11.5 rear axle and limited slip. This is a 2wd truck with 4 speed auto trans. This was shown on the sticker
Old 07-30-2007, 04:26 PM
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I looked a little closer and it is a screwup on the Dodge website. If you go to "Build Your Own" and select a SLT Regular Cab 4x4 it tells you that the 5.9 is only available with a 10.5" differential. If you check another body style or trim level it tells you that the 5.9 and 6.7 both come with a 11.5" differential.
Old 07-30-2007, 07:12 PM
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Originally Posted by LongRanger
I looked a little closer and it is a screwup on the Dodge website. If you go to "Build Your Own" and select a SLT Regular Cab 4x4 it tells you that the 5.9 is only available with a 10.5" differential. If you check another body style or trim level it tells you that the 5.9 and 6.7 both come with a 11.5" differential.
Not unheard of, DC publishing bogus info on thier site. I went round and round with them as they had 7400lbs listed as max tow weight for a 06 MC 4x4. They swore it was right and that was the limit. After a couple more calls and a few weeks I received a fancy keychain in the mail with a little hand written note thanking me for identifying a discrepency in their figures. I havent towed that much but I couldnt have my buddy laughing telling me he can tow more with his Nissan Armada
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