Towing 5th Wheel Camper with Lifted Truck - Chevy and GMC Duramax Diesel Forum
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post #1 of 21 (permalink) Old 07-06-2019, 06:52 PM Thread Starter
 
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Towing 5th Wheel Camper with Lifted Truck

I have a 2017 GMC Denali 2500 Duramax with a 6” Pro Comp Suspension Lift, 20” Wheels, and 35” Tires. I just sold my 30’ Bumper Pull Travel Trailer and want to upgrade to a 5th Wheel. I had one RV Dealer tell me I can pull a 5th Wheel as long as the top of my bed rails are not taller than 62”, which I am a hair under. Another dealer told me the 5th Wheel will have too much weight on the back axel and it could blow tires on a hot day. I do live in Texas so it’s hot as hell in the summer. Anyone pull a 5th Wheel with a lifted truck like mine or does anyone have some good advise for me?
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post #2 of 21 (permalink) Old 07-06-2019, 07:42 PM
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You can flip the camper axles to get more height on it.
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post #3 of 21 (permalink) Old 07-07-2019, 04:38 AM
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I suspect that your limiting factor will be your tire and wheel combo. You should verify that they are of sufficient capacity to support the pin weight of a 5vr.

You may find towing a 5vr with a 6 inch lift to be a not so pleasant experience from what I have read on some RV forums.

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post #4 of 21 (permalink) Old 07-07-2019, 05:10 AM
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You have to get the rig level. Not sure how with that lift but a unlevel set up is dangerous.


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post #5 of 21 (permalink) Old 07-07-2019, 05:27 AM
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Might put you over height too depending on the 5th wheel. Mine sits about 13'2" on a stock height truck.

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post #6 of 21 (permalink) Old 07-07-2019, 06:29 AM
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Quote:
Originally Posted by 77cruiser View Post
Might put you over height too depending on the 5th wheel. Mine sits about 13'2" on a stock height truck.
x2, i'm 13'3" at my high point on the trailer (front AC) and trailer & truck are level. Truck is stock.
Also, you want 5" or more bed rail clearance between the top of the truck bed rails to the bottom of the RV over the truck to allow for traveling over short dips & hills. If your RV is nose up your bed rail clearance will be less at the rear of the truck & you may have contact between the RV and bed rails.

The dealer that told you it's possible to overload your RV tires if towing nose up is correct.

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post #7 of 21 (permalink) Old 07-07-2019, 10:04 AM
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x3. I am at 13' 4" at the front AC as well with a bone stock dually with entire tow rig level.

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Steel Gray Metallic
All options except sunroof

Mods so far:

Alcoa 19.5s with Michelin XZE, Centramatics,Tow Mirrors, Chrome Grill Overlay, Rear underseat storage, Mudflaps all corners, 20% Window tint, 6" Oval Steps, B&W Turnover Hitch, B&W Companion Hitch, Sulastics, GM Campaign #PIT3009J, Wireless Console Charging, Bilstein 5100s, Raptor 3602RL
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post #8 of 21 (permalink) Old 07-11-2019, 06:11 PM
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I have a 7.5" lift and 37's. I ended up putting a flatbed on my truck to tow my 5er. I had to convert it to a reese goosebox. I researched all about lifted trucks and 5th wheels. You either have to go the route I did or ditch the lift kit. I still had to do a spring over on the 5th wheel. It tows great, and sits pretty close to level. You HAVE to have at least 5" between the bottom of the bunk overhang and the bed rails. You will inevitably slap the rails if you dont. I am at max height so I have to plan my route for low bridges. Good luck and get ready to read a lot to figure out a setup. Any TV dealer will promise it will work great. Trailer parts warehouses are no help because every truck, 5th wheel setup, and RV are different.
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post #9 of 21 (permalink) Old 07-24-2019, 09:37 PM
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I went through this earlier this year when I wanted to buy a fifth wheel. You’ll find that most half-ton model and mid-profile fifth wheels have an over hang that is 60” to the ground. Full size fifth wheels are typically around 65” to the ground. My bed rail height was at 62”. I ended up lowering my truck quite a bit. After lowering my truck and putting smaller tires on, I got my bed rail height to 56”. I have my fifth wheel hitch mounted on the lowest setting, and my pin box is at its highest setting. This gave me 5” of clearance between my bed rail and the overhang. It is still a little bit nose high, but not bad. I’ve towed it now 1,700 miles with no issues.






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post #10 of 21 (permalink) Old 07-24-2019, 09:54 PM
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Quote:
Originally Posted by Tonkatoy77 View Post
I went through this earlier this year when I wanted to buy a fifth wheel. You’ll find that most half-ton model and mid-profile fifth wheels have an over hang that is 60” to the ground. Full size fifth wheels are typically around 65” to the ground. My bed rail height was at 62”. I ended up lowering my truck quite a bit. After lowering my truck and putting smaller
tires on, I got my bed rail height to 56”. I have my fifth wheel hitch mounted on the lowest setting, and my pin box is at its highest setting. This gave me 5” of clearance between my bed rail and the overhang. It is still a little bit nose high, but not bad. I’ve towed it now 1,700 miles with no issues.






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That's a good looking setup.
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