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ACZL

UPstate,NY

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Posted: 03/19/21 06:31am Link  |  Quote  |  Print  |  Notify Moderator

FWIW, IMO, 1 ton SRW, short box a/ aftermarket midship replacement tank. Slider.....no. Yes a 3/4 ton will do, but jumping up to a 1 ton gives you more truck GVW in case you ever add/carry things or even perhaps get a larger 5er (to a point). I do miss my short box, but truck is what it is in sig. Agree w/ others---go diesel if towing in high elevations.


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jdc1

Rescue, Ca

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Posted: 03/19/21 10:35am Link  |  Quote  |  Print  |  Notify Moderator

Go drive that truck. DRW trucks are not easy to park in crowded areas. Take your wife....let her drive it on a freeway.

JAL_Camper

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Posted: 03/19/21 01:46pm Link  |  Quote  |  Print  |  Notify Moderator

Everyone: Thank you all so much for your responses! Super helpful!

Due to price, likely going with 2021 RAM Bighorn with some add ons. Mid $60's. Can't see going $10-$20k more for the Limited or Laramie. Since my current TV will no longer be a teenager this year, I think I'll be fine with what's in the Bighorn.

To answer a few questions that came up:
Diesel -- Yes going with that (was in original post)
Fuel Tank -- It's my understanding that RAM standard tank size is 31-32 gallons. It's a $295 option to go with the 50 gal. Seems like it's about half and half what out there. I'm looking more for convenience (stretching and walking at a rest area instead of fuel stop) and driving past higher fuel prices.
I've only seen 6 speed tranny in the RAMs I've come across. Current TV has 4 speed, so the 6 will seem nice.

Further Questions:
Seems like the 4.10 gears get you 30k towing while the 3.42 seems to be at 24k, more than enough for us. How much will fuel economy (or lack there of) differ in these two?

Thanks, again!


JAL
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Cummins12V98

on the road

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Posted: 03/19/21 04:49pm Link  |  Quote  |  Print  |  Notify Moderator

Get the AISIN Trans, Factory Rear air Ride and 4.10's. You WILL thank me!!!

The AISIN is in many Medium Duty applications and is truly bullet proof.

Get the larger fuel tank as it WILL bring you more than $295 on future sale.

I don't think RAM offers the 3.42's any longer.


2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
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ACZL

UPstate,NY

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Posted: 03/20/21 06:11am Link  |  Quote  |  Print  |  Notify Moderator

^^^^^^^^^ What he said ^^^^^^^^^^^

4x4ord

Alberta

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Posted: 03/20/21 06:55am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

Get the AISIN Trans, Factory Rear air Ride and 4.10's. You WILL thank me!!!

The AISIN is in many Medium Duty applications and is truly bullet proof.

Get the larger fuel tank as it WILL bring you more than $295 on future sale.

I don't think RAM offers the 3.42's any longer.


Why 4.10 gears? You’ve got 4.10 gears pulling your rig with only 865 lbft of torque and it likely works fine. With 1075 lbft of torque 3.73 would work very well for towing. At 1800 rpm the Cummins is capable of making 368 hp ..... you certainly don’t need to be running at 1800 rpm while towing a 16000 lb fiver down the highway. 3.73s would put the engine at 1550 rpm at 65 mph vs 1700 rpm with 4.10 gears.


2021 F350 SRW Platinum short box 4x4.
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alboy

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Posted: 03/20/21 07:13am Link  |  Quote  |  Print  |  Notify Moderator

I had 3.42 in our 2015 ram Dually pulling 17500 lbs, the sweet spot is 1700 -1900 rpm towing,empty loved the 3.42 lots of power

4x4ord

Alberta

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Posted: 03/20/21 08:22am Link  |  Quote  |  Print  |  Notify Moderator

Your 2015 was capable of making 285 hp at 1800 rpm. On the level at 65 mph you probably used about 140 hp towing your 17500 lb rv so you had plenty of reserve power available to take on modest hills without downshifting. The 2015 Cummins needs to be turning about 2550 rpm before it can make the kind of power that the 2021 makes at 1800 rpm. I believe the new engine would be even more comfortable towing at 1500 rpm than your 2015 was at 1800.

cummins2014

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Posted: 03/20/21 09:57am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

Get the AISIN Trans, Factory Rear air Ride and 4.10's. You WILL thank me!!!

The AISIN is in many Medium Duty applications and is truly bullet proof.

Get the larger fuel tank as it WILL bring you more than $295 on future sale.

I don't think RAM offers the 3.42's any longer.


Yet your previous truck had 3:42's , and if not mistaken you said it did a great job. I too have 3:42, and although the Asian is a great transmission, the 68RFE does a great job for me towing a 13,500- 14000 fifth wheel. If I was going with a new Ram, yes the Aisin .

As far as 3;42's no idea if it is offered now, but with the torque ,and HP of the new Rams, I would still stay with 3:42 if offered , unless I was hooked up to that fifth wheel everyday, then I might go 3:73. Knowing what I know on how well 3:42's are with what I tow with a 2014 Cummins, no way in the world would I go 4:10's with my weight or what the OP is towing, 13,750 GVWR .

cummins2014

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Posted: 03/20/21 10:00am Link  |  Quote  |  Print  |  Notify Moderator

alboy wrote:

I had 3.42 in our 2015 ram Dually pulling 17500 lbs, the sweet spot is 1700 -1900 rpm towing,empty loved the 3.42 lots of power


No way in the world would 4:10's be needed for the OP's weight, especially with the Aisin , and the lower first two gears then the 68RFE that I tow with .

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