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Old 08-24-2019, 01:34 PM   #1
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2018 2619VS sway issues

We traded in a 2017 23FBKS for a 2018 2618VS in April of 2019. Our tow vehicle was a 2018 F150. After driving off the lot I had never really driven over 65 MPH as the trailer was hard to handle. We left at the end of June we left NC headed for Alaska got as far as Eau Claire WI and had an accident. My wife was driving the combination for the first time and within a mile or two she experienced bad sway and we crashed into a bridge abutment. She had only gotten up to about 60 MPH. We had an Equalizer WD hitch that was upgraded at the time of purchase.
After the accident we found out we had a bent axle which was replaced and there is sway at approximately 60 MPH. The dealer in Chippewa Falls has used three trucks to pull the trailer and the sway is still there. Lippert has inspected frame and found no issues. The dealer has tried a couple different Curt WD anti sway hitches and there is still sway.
The trailer is at an alignment shop in Altoona and they say the axle is aligned with the tongue. There is sway at about 60 MPH.
Should an empty (no cargo, no fluids) trailer have any sway at any speed? Any help would be appreciated.
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Old 08-24-2019, 02:28 PM   #2
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Wow, incredible first post.
Need more information on the F150.
What are the CAT scale weights?
Since you had handling problems before the crash, I'm inclined to think low tongue weight may be the origin of the sway. Should be 10 to 15% of the trailer weight. How are you loading the trailer? You could be looking at a minimum of 800lbs of tongue weight on a loaded 8000 lb trailer.
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Old 08-24-2019, 04:29 PM   #3
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Great video for describing weight transfer to prevent sway!
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Old 08-24-2019, 08:20 PM   #4
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Agree that low tongue weight is the place to start.
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Old 08-24-2019, 09:32 PM   #5
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Two more u-tubes related to sway. I have one issue with The big truck guy, he states that Hensley designed hitches are heavy and you need to have enough cargo capacity to hold them. I agree they are heavy, however due to the design, actual tongue weight change is may be under 25 lbs, some folks have reported LOWER tongue weights. Otherwise, I think his information is pretty much spot on.

Downside to Hensley and Propride hitches, they are expensive. Upside, they work as advertised. I installed a Propride and am a very satisfied customer.

Hope you figure out your issues quickly.

Big Truck Big RV description of how hitches work


ProPride example test on treadmill
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Old 08-25-2019, 07:28 PM   #6
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tongue weight may be the problem. I tow a 2018 2715vs with a 2018 f150 4x4 3.5 turbo, 10 spd trans, equalizer 12000lb hitch bars. Loading can be a problem if carrying too much water, load in back to heavy, or load in front too heavy. in wind I get sway over 60 mph, but without wind and no excess fluids in tanks I have towed 70 plus without sway (not for very long). I had my equalizer redone at my dealer when I bought the new truck and it handles well.
Good luck on testing the cause of your sway.
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Old 08-26-2019, 09:21 AM   #7
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Truck information

We are towing with a 2019 F150 4X4 5.0 V8 tow package 3.73 rated at 11.1K towing 1,950 payload. We had a similar 2018 before it was totaled for frame damage.
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Old 08-27-2019, 10:58 AM   #8
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I think it would be pretty sad if the dealer tried 3 trucks, got sway, and didn't think to check the tongue weight.
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Old 08-27-2019, 08:00 PM   #9
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Scott, was your trailer a 2618vs? couldn't fine a reference for the 2619vs.
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Old 08-27-2019, 08:42 PM   #10
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Sorry, reread your post which stated 2618vs. I got hung up on title.
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