4.10 gears on 3500 SRW - Dodge Cummins Diesel Forum
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post #1 of 25 (permalink) Old 08-27-2019, 10:02 AM Thread Starter
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4.10 gears on 3500 SRW

I see that it will now allow you to build a 3500 SRW with 4.10 gears on the Build Tool. Has anyone actually been able to order or purchase one like that? That would be really nice for those of us that want to run 37s.


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On Order: 2019 Megacab 3500 SRW Longhorn 4wd CTD
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post #2 of 25 (permalink) Old 08-27-2019, 12:37 PM
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We did, on a gasser. But if it's on the Build and Price for a diesel, they should be available.
And nice for towing, with stock size tires.

Maybe if we start telling people that the brain is an app, they will start using it?

'14 1500 V6, '17 3500 C&C, plus a '19 3500 6.4 in the household.
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post #3 of 25 (permalink) Old 08-27-2019, 12:47 PM Thread Starter
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Yea. I'm looking for a Diesel.

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post #4 of 25 (permalink) Old 08-27-2019, 12:55 PM
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Then I'd do the Build and Price thing, write down the options, prices and some notes, then get the real option list from your dealer and go over it.
Yes, it can be a bit time consuming, but that way you'll get exactly what you want, or at least as close to it as conflicting options allow.

Maybe if we start telling people that the brain is an app, they will start using it?

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post #5 of 25 (permalink) Old 08-30-2019, 08:54 AM Thread Starter
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So, they built my order yesterday and the 4.10s were a no go with an SRW diesel.

Going o place my order this morning for a Longhorn Megacab with (unfortunately) 3.73 gears.

Related note: I finally got to crawl around and drive a new truck. It was a 3500 SRW 4wd Laramie with the 12" screen. Amazing how tight the truck was and how good the front end rode for stock. Adding Thuren coils, Kings, and larger tires so I can run them at 50psi front and 40psi rear is going to make for a crazy comfortable truck.

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post #6 of 25 (permalink) Old 08-30-2019, 11:04 AM
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I ordered them on my build and price for my 19 and was told at the last minute from my dealer no go. Only 3.73’s are available on a SRW at this time period. I’m running 35’s and the torque is so impressive I’m glad I wasn’t able to get 4:10’s. If your getting 37’s and towing extremely heavy you just might want to do an aftermarket re gear but even then with all the torque the 3:73 should work well.
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post #7 of 25 (permalink) Old 08-31-2019, 10:46 PM Thread Starter
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Quote:
Originally Posted by mxsledder View Post
I ordered them on my build and price for my 19 and was told at the last minute from my dealer no go. Only 3.73ís are available on a SRW at this time period. Iím running 35ís and the torque is so impressive Iím glad I wasnít able to get 4:10ís. If your getting 37ís and towing extremely heavy you just might want to do an aftermarket re gear but even then with all the torque the 3:73 should work well.
Thanks for the feedback.

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post #8 of 25 (permalink) Old 09-10-2019, 11:34 PM
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Quote:
Originally Posted by mxsledder View Post
I ordered them on my build and price for my 19 and was told at the last minute from my dealer no go. Only 3.73ís are available on a SRW at this time period. Iím running 35ís and the torque is so impressive Iím glad I wasnít able to get 4:10ís. If your getting 37ís and towing extremely heavy you just might want to do an aftermarket re gear but even then with all the torque the 3:73 should work well.
I have not searched extensively yet, but I'm finding nothing in the way of aftermarket gears or lockers for our 12" rear end. Certainly that will change soon but for right now, us SRW guys seem "stuck" with 3.73 clutch type LSD. I can say that I've put mine through the paces towing off road and the rear end does hook up both tires in the slop. Almost as well as my old 11.5 AAM G80 auto mechanical lockers on my old duramaxes. Also, I agree that with this much torque, 3.73 are more than adequate for running 35's heavy.

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post #9 of 25 (permalink) Old 09-19-2019, 04:22 PM
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You can get 4:10 gears with a Tradesmen 6.7/Aisin combo with DRW. I just got one is why I know.

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post #10 of 25 (permalink) Old 09-19-2019, 06:19 PM
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Originally Posted by mopar440cu View Post
You can get 4:10 gears with a Tradesmen 6.7/Aisin combo with DRW. I just got one is why I know.
Arent 4.10's common on duallies with the HO 6.7/AISIN

My 1st Ram: 2019 Laramie 3500
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post #11 of 25 (permalink) Old 09-19-2019, 06:23 PM
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Quote:
Originally Posted by esminbritt View Post
Quote:
Originally Posted by mopar440cu View Post
You can get 4:10 gears with a Tradesmen 6.7/Aisin combo with DRW. I just got one is why I know.
Arent 4.10's common on duallies with the HO 6.7/AISIN
No, because there were others on the lot with 3:42, 3:73, if I remember correctly on the ratio. They were trying to sell me one with out the 4:10’s and I wanted them due to the fact I just haul all the time.

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post #12 of 25 (permalink) Old 09-19-2019, 07:30 PM
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Quote:
Originally Posted by esminbritt View Post
Arent 4.10's common on duallies with the HO 6.7/AISIN
They are as common as whoever orders the vehicle(s) want them to be.

As pointed out above, they can be had with any of the three ratios, but I would guess that only a dealer would order 3.42s on purpose.

Maybe if we start telling people that the brain is an app, they will start using it?

'14 1500 V6, '17 3500 C&C, plus a '19 3500 6.4 in the household.
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