Weight Distribution/Sway Control System for 2013 Toyota Highlander Towing 19-Foot Airstream Trailer  

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The key factor when considering a weight distribution and sway control system for a towing set up is the actual tongue weight of the fully-loaded trailer. Such systems must be carefully matched to the actual as-towed tongue weight of the trailer - with full water and propane tanks and all supplies and gear just as when you are on the road. The linked article offers several ways to accurately measure loaded trailer tongue weight, which include a specialized scale such as the etrailer # e99044. Note that any gear placed in the truck bed that is behind the rear axle, such as a toolbox or loaded cooler, will increase tongue weight and must be factored into the total tongue weight measurement.

You also must confirm that the hitch on your tow vehicle is rated for use with a weight distribution system; this will be indicated on its safety/warning sticker or in your owner's manual if it is an OEM hitch.

There are several types of weight distribution systems, both round bar and trunnion bar (which provide better ground clearance). Some systems use smaller spring bar brackets that can be easier to place on trailers that have front-mounted accessories that limit frame access. Some systems include the shank while others do not. Systems also vary in the nature of their sway control feature. The linked article covers many of these features and will be helpful to you as you consider the best option to match your trailer.

Once you know your loaded trailer tongue weight you can use the link provided to select a weight distribution/sway control system matched to your tongue weight. For example, if your loaded tongue weight measures 1000-lbs you might consider the Reese Strait-Line # RP66084. This system uses trunnion bars and includes the shank. Please refer to the linked video.

expert reply by: Adam R

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