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Troubleshooting Trailer Sway on 2014 Keystone Impact 301 Toy Hauler with Reese Weight Distribution


I have a new 2014 Keystone Impact 301 Toy hauler and pull it with a 2011 F-350 Crew Cab 4x4. I bought a Reese 66131 WD hitch to use with this equipment. My trailer specs are: 34’8” long 102” wide body. Hitch weight 1495, dry weight 9080, fresh water capacity is 106G 884 lbs Fuel capacity is 30G 187.5 lbs, the garage capacity is: 2.5K combining for a GVWR of 13,000. We went on our inaugural trip this past weekend and experienced a lot of trailer sway at speeds over 55 MPH. For this trip the trailer was configured with only food, clothing and 2 ATVs combining for appox total cargo weight of 1.7K. No fresh water or fuel on board. Is the 66131 hitch the right set-up for my situation? Would the Reese Dual Cam High-Performance Sway Control help my situation and is it compatible with my current 66131? Any advice would be greatly appreciated. Please note that our normal trailer configuration will include full fresh water and fuel. Our last trailer was the same size and specs except the TW was only 1.4 K 2013 Dutchman Rubicon 2900. We used an Eaz-Lift 48064 1,400 lbs Elite Bent Bar Weight Distributing Hitch and could run down the interstate at 70 MPH with no issues. I’m sure the Reese system is a better set-up. I just need to figure out where I’m going wrong.


Expert Reply:

The most important thing about picking the right weight distribution system for a setup is the loaded tongue weight of the setup as it will be towed. Also, having it properly set up for the trailer is very important.

With that being said, if the tongue weight of your setup is going to fluctuate within the range of the weight distribution system quite a bit you will have to set it up differently based on that. I attached the installation instructions for the Reese Weight Distribution System part # RP66075 that you have that details how to setup the system.

Every time you tow with a different tongue weight you will want to ensure that its set up correctly otherwise it will not be distributing the weight as efficiently as it could, which could cause the sway you are seeing.

If you determine that your tongue weight is higher than 1,500 lbs when loaded then yes, I would recommend you go with a higher rated system like the # RP66131 that you also referenced.

Proper trailer loading is the best possible way to combat sway. Having as much weight as far forward as possible is the best way to prevent sway. If the way you towed your trailer had most of the weight in the back of the trailer when towing then that could have been why you saw so much sway.

I attached an FAQ on determining tongue weight plus an FAQ on weight distribution systems for you to check out also.

expert reply by:
Jameson C

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