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Old 02-28-2016, 10:55 AM   #1
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Any opinions on 2015 RAM 2500 6.4 Hemi 4X4 and 12.5K loaded 5er?

I've been reading a lot of the posts here about TV selection. I'm curious as to any opinions (and I know there are a lot of them out there! ) or major issues on pulling with a RAM 2500 6.4 Hemi 3:73? Its a mega cab, 4X4 with the OEM tow package, a B&W companion and a Reese Airborne Elite Sidewinder.

Manufacturers max tow is 12,250, max payload is 2900.

Our in-bound 5er is as follows:
Unloaded Vehicle Weight, 10325
Dry Hitch Weight, 1995
Gross Vehicle Weight Rating, 12750

So, bottom line, are we setting ourselves up for failure with this pairing? I've been considering trading to the same truck but with the 6.7 Cummins, but that only brings my max tow to 14,550. Next up in choice is a 3500 SW, which ups us to 16,800. So, is it worth it? Are my concerns valid or unwarranted? Trying to be safe but also don't want to dump more $$ if we don't have to.

Any comments/suggestions are appreciated!
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Old 02-28-2016, 10:59 AM   #2
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I'm not a mechanic, but I think the weight issue would be less of a concern than the engine and transmission durability. Additionally, I'm guessing fuel efficiency would be less than ideal.

Jim
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Old 02-28-2016, 11:39 AM   #3
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I can only add that a diesel is meant for hauling. Once you've pulled that much weight with a diesel, you won't need to ask that question again.
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Old 02-28-2016, 12:30 PM   #4
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Quote:
Originally Posted by mtdawg View Post
I'm not a mechanic, but I think the weight issue would be less of a concern than the engine and transmission durability. Additionally, I'm guessing fuel efficiency would be less than ideal.

Jim
Fuel efficiency is part of the cost of doing business afaik, so not really our concern. We're mostly concerned if we're pushing the limits using the TV for the weight of the 5er.
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Old 02-28-2016, 01:25 PM   #5
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Are you sure you have the right numbers? What year are you talking about.
I don't see why there is such a big difference between the 2500 and 3500 diesel max towing weights.
They should be the same ... It's the same drivetrain.
Unless your looking at 2 different rear ends.
14500 seems rather low.

Edit... Sorry I see its 2015.
I don't know where you got your numbers from ?
2015 crew cab 6.7 Cummins 2500/3500 max towing 17150 lbs
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Old 02-28-2016, 03:13 PM   #6
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The CAT Scale will show you what the axle weights are. The difference between the drive axle weight and Rear GAWR will be a rough estimate of the Max pin weight you can add before maxing your rear axle. Divide the max pin weight by 0.25 and you get an estimate of the Max trailer weight your TV should pull.
Our 5th weighs 12700# and we have 3020# on the pin. We are under our max limits with our 350. The 6.4 hemi is a gasser, right? The diesel while having more torque will also be heavier than a gasser and prolly have a smaller payload as a result. Same story with 4x4 vs 2x4.
The CAT Scale is your friend.
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Old 02-29-2016, 11:35 AM   #7
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Please be forewarned that my response will be somewhat biased, but we too, have compared the RAM 2500 gas engine to diesel. And, hands down, the diesel won us over. Mileage wise, we're getting about 12mpg when towing our 29.5 BHDS. Compared to gas engine, one would hope to get 9 or 10mpg. Plus, with our Cummins diesel, we get 800 lbs of torque and love passing up other rigs going up the hill--while maintaining about 1,800 RPM! We love our RAM 2500 diesel and will never go back to a gas engine!


Quote:
Originally Posted by Inthewind View Post
I've been reading a lot of the posts here about TV selection. I'm curious as to any opinions (and I know there are a lot of them out there! ) or major issues on pulling with a RAM 2500 6.4 Hemi 3:73? Its a mega cab, 4X4 with the OEM tow package, a B&W companion and a Reese Airborne Elite Sidewinder.

Manufacturers max tow is 12,250, max payload is 2900.

Our in-bound 5er is as follows:
Unloaded Vehicle Weight, 10325
Dry Hitch Weight, 1995
Gross Vehicle Weight Rating, 12750

So, bottom line, are we setting ourselves up for failure with this pairing? I've been considering trading to the same truck but with the 6.7 Cummins, but that only brings my max tow to 14,550. Next up in choice is a 3500 SW, which ups us to 16,800. So, is it worth it? Are my concerns valid or unwarranted? Trying to be safe but also don't want to dump more $$ if we don't have to.

Any comments/suggestions are appreciated!
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Old 02-29-2016, 12:05 PM   #8
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I don't think there will be much question in your mind after one pull with the gas version. It is just a better overall experience with a rig in your size range.

2500 vs 3500. Go with the 3500 SRW as the spring pack will be larger.

2015 SRW 3500 4x4 CC LB 6.7 with Aisin and 3.73 specs are 4330 pay, 16,860 max tow
2015 SRW 2500 4x4 CC LB 6.7 with 68RFE and 3.42 specs are 2110 pay, 17,020 max tow

You need to pay more attention to the payload vs max tow as the pin will make the truck sag and put you well over your payload. The Diesel will subtract payload due to total vehicle weight.

2500 has the airbag options with coils to, but not sure if that is all models or an option.
3500 is leaf springs.
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Old 02-29-2016, 12:16 PM   #9
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Hmm, you dont have a lot of Margin with that configuration. I have a 2015 RAM 2500 crew cab, 6.4l gasser, 2wd. But specifically ordered it with the 4.10 rear end which adds a bunch more to the tow specs (15,400 max) and cargo specs ( 3300lbs max)

Oh, I tow a 2011 Eagle Super light, which has similar figures to your trailer specs and have NO complaints at all. Yep, the diesels pass me on the really big hills, but being retired my clocks only have little hands. No longer rushing to get anywhere :-).
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Old 02-29-2016, 01:25 PM   #10
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1st ask yourself how much stuff you'll put inside the 5er. If you only load 1200-1500lbs like most do then you'll be under the tow rating.
Here's the catch. If you jump to the CTD then you loose 800+lbs of payload. Most 2500 CTDs are around 2100lbs for CCC. You now have enough CCC with the Hemi.
So its up to you if you want to be close on the tow rating and under on CCC, or well under the tow rating but over on CCC.
If it were me I'd keep what you have. If you have deep pockets then trade/sell and get a 3500 CTD. If you tow mostly on the flats then I'd stick with the Hemi and 4.10s. MTNs need the CTD with that heavy of a 5er. Just really depends to on how much you camp. 5-6 times a year isn't worth loosing a bunch of money on trading in IMO.
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