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Old 10-04-2018, 05:12 AM   #21
busterbrown
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Originally Posted by sugarhillctd View Post
The 6.7L Cummins weighs in around 1100# plus fluids.

The 6.4L gas engine must be a flyweight. Actually it is just at 500# dry.

This misconception has been around for years.
Yep, it all works out to about 600 lbs of payload loss in the Cummins no matter which trim line you buy. When someone buys a "Limited" version of a Ram 2500 with "all the bells and whistles" and are serious about towing, they should recognize that payload will be severely reduced. That's when a 1 ton vehicle becomes more practical.
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Old 10-04-2018, 11:16 AM   #22
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The same "option weight" issue is present in all three of the heavy duty lines. Ford, GM and Chrysler all "impose" the 10K GVW limit on 3/4 ton trucks and offer "heavy option packages" in the luxury models. With Ford, it starts with the Lariat and continues through the King Ranch to the Platinum. GM and RAM are the same. I've seen some 9900 pound GVW Ford F250 Platinum models with 1700 pound payload stickers. Shocking? Not really, when you consider there's 400-600 pounds of "optional luxury" in the form of heated/cooled leather seats, heated leather steering wheel, self deploying running boards, chrome placards on the tail gate, etc... The price of all that "stuff" is felt two places, in the wallet and in the payload.....
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Old 10-04-2018, 02:12 PM   #23
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I was talking about the 1,000lb payload difference between a 5.7 and 6.4, which makes no sense.The question has been asked 100 times on the Ram forums I read and the general consensus is its a marketing tool for Ram to push the 6.4L as a more heavy duty truck. There are going to be people with passionate opinions. I loaded my 5er up and went to the CAT Scales and I was well below my tire and axle ratings, so I consider myself good to go

I'm not sure what the difference is. The stated numbers wouldn't make you think there would be that much difference, but, after owning 4 5.7s (2003 3.92, 2004 ?, 2012 3.55, 2013 3.92) and the current 6.4 (3.73), I can tell you the 6.4 feels much stouter than the 5.7.

It may just be the "optimistic" numbers put out for the 5.7, or low numbers for the 6.4? Sort of like the 2017 3.5 Ecoboost they tested in TL; advertised 375hp/470 lb. torque. Put it on a dyno and it came in as 299.8hp/356.7 lb. torque. All numbers included cold air intake and catback exhaust on the truck. Had to do a "tune" on it to make it reach advertised numbers. You never know but seat of the pants works pretty good at times
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Old 10-04-2018, 03:51 PM   #24
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I'm not sure what the difference is. The stated numbers wouldn't make you think there would be that much difference, but, after owning 4 5.7s (2003 3.92, 2004 ?, 2012 3.55, 2013 3.92) and the current 6.4 (3.73), I can tell you the 6.4 feels much stouter than the 5.7.
So you are very pleased with your 6.4 Danny? I am thinking about upgrading to one set up the same as yours in the next year or so.
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Old 10-04-2018, 04:27 PM   #25
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So you are very pleased with your 6.4 Danny? I am thinking about upgrading to one set up the same as yours in the next year or so.
Yes, I am very pleased with the 6.4. About 67k on it now and have been thinking about getting a 1 ton and diesel because we keep thinking we will get a larger trailer (probably a 5th wheel) but can't find anything that we like better than what we have and therefore no reason to upgrade the truck. Usually I would just buy a newer truck because that is what I do but I really like this truck (IF they had not moved the rear camera to the rearview mirror instead of the 8.4 monitor because I have a bed camera - so log that).

Our trailer gvw is 10k and we run in the 92-9500 lb range loaded. The 6.4 takes it in stride, even in the mountains. I've ran 6-7% grades without issue. Pulling the grades I use tow/haul, lock out the OD gears and it will run about 3500 rpm in 3rd (I believe) and keep at 50-55+. IMO you can't go wrong with the 6.4 in a 3/4 ton if you aren't pulling a very large trailer. My payload is 3190.
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Old 10-04-2018, 05:02 PM   #26
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Yes, I am very pleased with the 6.4. About 67k on it now and have been thinking about getting a 1 ton and diesel because we keep thinking we will get a larger trailer (probably a 5th wheel) but can't find anything that we like better than what we have and therefore no reason to upgrade the truck. Usually I would just buy a newer truck because that is what I do but I really like this truck (IF they had not moved the rear camera to the rearview mirror instead of the 8.4 monitor because I have a bed camera - so log that).

Our trailer gvw is 10k and we run in the 92-9500 lb range loaded. The 6.4 takes it in stride, even in the mountains. I've ran 6-7% grades without issue. Pulling the grades I use tow/haul, lock out the OD gears and it will run about 3500 rpm in 3rd (I believe) and keep at 50-55+. IMO you can't go wrong with the 6.4 in a 3/4 ton if you aren't pulling a very large trailer. My payload is 3190.
Sweet, thanks for detailed notes! My Premier has a 7500 GVWR, so I would be weighing a lot less than you. Also thanks for the payload #, gives me an idea what to expect. We have zero plans to go larger- this bunkhouse is perfect for camping with family/friends and our family situation isn't changing for a while. I also don't want to tow anything longer. We are going to be moving to PA in 5-6 months and while my 'rado does great down here, the hills will likely not be so kind. Plus I could trade the truck right now for about $7k less than I paid for it 4.5 years ago.
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Old 10-06-2018, 05:59 PM   #27
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There is no doubt the narrow bed of the RAMBox option will require a Reese Sidewinder/Revolution as a standard pinbox would hit the bed sides in even a modest turn. I believe Lippert may have a "sidewinder" type pinbox now as well. I've had a Sidewinder on my Cougar and prefer the Revolution in appearance, but operation is similar.
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Old 10-07-2018, 08:13 AM   #28
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Not a Ram, but it is a Cougar XLite, Titan XD Pro4X,
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Old 10-07-2018, 10:45 AM   #29
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The 6.4 is a great engine for towing with the proper axle ratio and pulling a weight that it is rated for. With the 3.73 it is rated for 12.5k. That's too much IMO. When above 10k you just need to move to the diesel IMO and get the one ton because a diesel in a 3/4 ton drops the payload far below the 6.4 gas.
Thank you! My thoughts exactly.
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Old 10-08-2018, 10:43 AM   #30
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I have a Cougar X-Lite and an F-150 Lariat. Rides really close to level.
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Old 10-08-2018, 02:13 PM   #31
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I have a Cougar X-Lite and an F-150 Lariat. Rides really close to level.
Just a suggestion... don't use Cougar X-Lite and F-150 in the same post... a feeding frenzy will occur if you have a 5ver. NEVER mention you have the OEM tires on your 5ver either... that will get the boys even more crazy!
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Old 10-08-2018, 03:40 PM   #32
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Just a suggestion... don't use Cougar X-Lite and F-150 in the same post... a feeding frenzy will occur if you have a 5ver. NEVER mention you have the OEM tires on your 5ver either... that will get the boys even more crazy!

AND....it's about FEEDING time!!!
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Old 10-08-2018, 04:21 PM   #33
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Saying "I have a Cougar XLite and an F150" doesn't say much of anything. Cougar XLites range from under 24' and under 5000 pounds to over 38' long with a GVW of over 10,500 pounds. F-150's range from a GVW of 6200 pounds to over 7800 pounds with payloads from 1000 to 3200 pounds with GCWR's from 9500 pounds to over 17,000 pounds.

So, depending on where the Cougar and the F-150 each sit in the range of little to big, the rig would fall somewhere between "capable to overwhelmed, maybe even OMG" ....

Certainly not enough information in the statement to make any conclusions other than "brand".....
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Old 10-19-2018, 06:47 PM   #34
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To the highlighted statement, I am surprised that you chose a 1/2 Ton 5er, with a 3500 DRW TV. I find it interesting also that the shower is located near the BH rather the Master Bedroom.
Long story short, the camper came before the truck. I know that the truck is WAY overkill for the camper, but I got a deal that I just couldn't pass up. This also gives me the ability to someday move up in camper size without having to look for a new truck and camper at the same time. However, at this time we are quite happy with the 32BHS. The other thing is, don't let the Half Ton title fool you. I have not been on scales anywhere yet with this unit, but I am guessing when fully loaded we are pushing 11,000 pounds with over 2000 pounds of pin weight. That was where I was going when I made the 1/2 ton truck comment. Not sure that there is one out there that would not be over the limit in 1 or more areas (GAWR,GCWR, etc) especially when you add in more people and supplies to the vehicle. Sometimes we travel with 5 people and 10lbs of ferocious dog when camping. Its nice to have the extra capacity.
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Old 10-19-2018, 07:03 PM   #35
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" The other thing is, don't let the Half Ton title fool you. I have not been on scales anywhere yet with this unit, but I am guessing when fully loaded we are pushing 11,000 pounds with over 2000 pounds of pin weight. That was where I was going when I made the 1/2 ton truck comment. Not sure that there is one out there that would not be over the limit in 1 or more areas (GAWR,GCWR, etc) especially when you add in more people and supplies to the vehicle."


I wish that folks wishing to tow an RV would heed your observations. You paid attention despite the "hoopla" luring unsuspecting, ignorant and "lazy" potential buyers unwilling to do their due diligence. I think all of us want other RV "towers" to be safe and within guidelines but it is getting increasingly obvious that the faction that "just doesn't care" is growing - to the detriment of all towers and every person on the highway.
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Old 10-28-2018, 04:06 AM   #36
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It is all in the truck. For example I ordered my truck in 2015, Ram 2500 6.4L gas, 4.10 rear end gears, 18" tires, SLT trim so I have a few bells & whistles, crew cab with 6.5" box and have plenty of turning radius. My payload is listed at 3488 lbs and hardly know my 5th wheel is behind me. I figure that I am at about half of my payload capacity when towing. You have to know your numbers....
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Old 10-28-2018, 07:49 AM   #37
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Hi there,
I'm new here, but I've been towing 5th wheels for over 9 years. Earlier this year I upgraded my 2006 27' Palomino Puma to a 2017 32' Keystone Cougar X-Lite. What I find curious here is that I don't see any mention of Toyota Tundras, which I have been towing mine with for years. I don't have any issues whatsoever - not with the older RV or the newer one. My Tundra is a 2007 and can tow up to 10,500 lbs. However, I am getting ready to upgrade to a new 2018 Tundra in the next month, which will mean getting a new hitch - but the brake controllers now come standard equipment on the Tundra, which I love. Any thoughts or words of advice out there? I'd love to hear them. (P.S. My closest friends drive an older Ford with a Cummins engine, so of course they're trying to convert me! However, they bought a new model 2018 Dutchmen Astoria this year, which has been a nightmare from day one for them...told them they should have bought a Keystone!!!!)
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Old 10-29-2018, 05:17 PM   #38
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[QUOTE=Sciteach03;313412]Hi there,.....However, they bought a new model 2018 Dutchmen Astoria this year, which has been a nightmare from day one for them...told them they should have bought a Keystone!!!!)[/QUOTE]

I hate to be the bearer of bad news, but the Dutchman RV line is the "red-headed stepchild" of Keystone. About 4 years ago Dutchman was lacking for any leadership and THOR placed the "behind the Keystone fence" (yes literally behind the Keystone corporate offices) under Keystone management. So, essentially your friend with the Ford Cummins does have a Keystone..... Yes, all of their warranty work is approved in the same office as all of your Cougar XLite warranty work will be managed.....
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Old 11-01-2018, 05:50 PM   #39
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I have a 34 foot High Country Cougar that is empty weight of 7900 and I pull it with a 2014 Ram 2500 Long bed. As you can see the truck sits down a little bit but it fits and pulls fine. We measured this on the cat scale with a full load of fresh water and with all of our stuff in it and the trailer weighs in at 9,500 which is 500 pounds under the max. It is a little tilted but not much.
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Old 11-01-2018, 06:15 PM   #40
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Hi there,
I'm new here, but I've been towing 5th wheels for over 9 years. Earlier this year I upgraded my 2006 27' Palomino Puma to a 2017 32' Keystone Cougar X-Lite. What I find curious here is that I don't see any mention of Toyota Tundras, which I have been towing mine with for years. I don't have any issues whatsoever - not with the older RV or the newer one. My Tundra is a 2007 and can tow up to 10,500 lbs. However, I am getting ready to upgrade to a new 2018 Tundra in the next month, which will mean getting a new hitch - but the brake controllers now come standard equipment on the Tundra, which I love. Any thoughts or words of advice out there? I'd love to hear them. (P.S. My closest friends drive an older Ford with a Cummins engine, so of course they're trying to convert me! However, they bought a new model 2018 Dutchmen Astoria this year, which has been a nightmare from day one for them...told them they should have bought a Keystone!!!!)
I'm not a FORD fan, but not sure about them ever having a Cummins, they did have an International I believe.
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