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Old 05-07-2015, 05:25 PM   #1
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New GMC Truck

I am in the process of choosing between a GMC 2015 or 16 3500HD diesel (sw) for towing a 16,000lb 5er.
Would like your input
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Old 05-09-2015, 04:11 PM   #2
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Speaking from my personal experience towing a 15,500# GVW, 40' 5er with an 02 Chevy Duramax dually; a SRW will not have the stability when towing to make driving in cross-wind and on curvy roads comfortable. Prior to buying the dually, I towed that 5er with a SRW truck, even with my Load Range E tires inflated to 80 psi, the truck rolled and swayed in cross-winds and on curvy roads.
Before making a decision to buy a SRW truck run the numbers through this online 5th wheel calculator.
Make the assumption you will be towing fully-loaded to trailer GVW, and your truck is fully loaded with your family and what you will be hauling in the truck while towing.
Obtain the actual weights for the truck if possible, then add family and gear weight. Only then will you know how much rear axle capacity the SRW truck will have available for pin weight and GCWR by using that calculator. I would choose the 20% safety factor also, to avoid working the truck at 100% of its capacity while towing.
I know driving a dually in town or sightseeing is less enjoyable, but your first priority is your families safety.
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Old 05-09-2015, 05:21 PM   #3
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I forgot to include; the probable pin weight of that fully-loaded 5er will be around to 3,680#, which is also close to the actual payload of a dually after loaded with family and "stuff" ready to go camping.
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Old 05-09-2015, 06:03 PM   #4
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I'm with Ray.
If I were you, I'd seriously consider a dually for such a heavy trailer or I believe you'll be sorry later.
Speaking from experience.........
16k is going to yank a SRW around and you're not going to like it. A DRW will handle like a breeze.
My last dually was a 2011 GMC Denali and it was an awesome truck.
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Old 07-25-2015, 06:53 AM   #5
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A dually should seriously be considered for that kind of weight. The added stability when it's needed will be worth it.
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Old 03-26-2016, 08:42 AM   #6
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My 5th wheel is a lot lighter and I wouldn't tow with a 3/4 ton. But I didn't want a dually - I got a 1 ton single. Couldn't be happier.
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Old 05-27-2016, 06:41 PM   #7
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Originally Posted by Ray,IN View Post
I forgot to include; the probable pin weight of that fully-loaded 5er will be around to 3,680#, which is also close to the actual payload of a dually after loaded with family and "stuff" ready to go camping.
Open the driver's door and check the yellow sticker for the cargo capacity for each potential truck. My new '16 GMC 3500HD, CC, SRW says 3808#. If the one you are looking at is the same, that leaves you very little margin!
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Old 06-06-2016, 10:51 PM   #8
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X several on the DRW's.


Those yr. models are very similar. Most of this lifestyle is about a compromise in many ways. I wonder if your "16K" is the actual running weight?


We like our "2016" very much and it's been living up to every expectation. I'm a firm believer in choosing the correct tool for a job.
We came up the I-82 I-84 corridor the other week through some varying stiff breezes. We ran most of the 600 mi. @65-70 with the cruise engaged even on the mountain passes. GM's done their homework, IMHO.


Our last roll across a Cat Scale had our 5'r at a hair under 18K with 25% fresh water. Problem was, we weren't fully loaded yet for travel.. hoping to keep it under 20K.
Error on the side of safety, happy trails.
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Old 06-28-2016, 08:07 AM   #9
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I also agree for a heavier trailer like yours a DRW is the way to go... For us, its different, Our 31' Cougar weighs just under 10K fully loaded for us (with water) and our 3/4 ton 4x4 Silverado handles it perfectly... Different strokes... With a big trailer, get the dually...
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Old 09-27-2016, 10:09 AM   #10
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I bought a 2015 3500HD instead if the 2016. There is not a lot of changes plus you get great rebates on the 2015. I pull a 38 ft Montana 5 er with no problem. Sometimes I forget it back there.
Your only concern is the tongue weight. I would stay on the safe side; a 16,000 PD 5er could have up to 4,000 tongue weight. At that point a single wheel axle won't work. Your over weight
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Old 09-28-2016, 06:06 AM   #11
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I had the same dilemma when we were looking to buy a 5th wheel 2 years ago. The trailer we were looking at was 16k, and no matter how I calculated and estimated it, the pin weight always came out marginal for the payload of SRW.

We ended up deciding on a heavier trailer (17k) so the decision about the truck was made for me. SRW wouldn't cut it with an estimated pin weight of over 4k so we ended up with a dually. That's just as well because I know if we had ended up with the 16k trailer and SRW I probably would have regretted it. Think seriously about a dually.
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Old 09-28-2016, 08:12 AM   #12
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Paz,,, you may want to trade in that 2015 Duramax... The numbers are out on the 2017's,,, 445 HP,,, 910FT TQ.... Just so you know I'm Totally happy with my 15 Duramax... My hotrod days are over.... When I push the pedal and it goes faster uphill, (like now) ,, I'm a Happy Camper !!! Monkey
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Old 09-28-2016, 02:40 PM   #13
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Paz,,, you may want to trade in that 2015 Duramax... The numbers are out on the 2017's,,, 445 HP,,, 910FT TQ.... Just so you know I'm Totally happy with my 15 Duramax... My hotrod days are over.... When I push the pedal and it goes faster uphill, (like now) ,, I'm a Happy Camper !!! Monkey
My '15 will pull our 17k trailer up hills much faster than our previous MH and much faster than most semis so I don't see a need to change yet. It only has 30,000 miles on it so isn't even broken in.
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Old 10-27-2016, 08:25 AM   #14
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My '15 will pull our 17k trailer up hills much faster than our previous MH and much faster than most semis so I don't see a need to change yet. It only has 30,000 miles on it so isn't even broken in.
I was just kidding.... The LML Duramax is a great engine,,,,, (so far)
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