Using a Weight Distribution System on a Boat Trailer With Surge Brakes  

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I contacted Venture Trailers Inc. and found that the reason they do not recommend the use of a weight distribution system is because most weight distribution systems are not recommended for trailers with surge brakes because they do not allow the coupler to push into the coupler housing and engaging the brakes. Also due to the fact that they do apply additional stress on the tongue of the trailer like you said and this can be particularly harmful to aluminum frame trailers.

There are some weight distribution systems that are compatible with surge brakes. Mainly weight distribution systems with dependent sway control like our Reese Steadi-Flex systems and Equal-i-zer systems. I have attached a link to all of the weight distribution systems that are compatible with surge brakes.

The problem that you may have with using a weight distribution system on a Venture trailer is that Venture will not cover any damage to the trailer that was caused by the weight distribution system, this includes the braking system (coupler, brake lines and brake assemblies). So, technically certain weight distribution systems will work with your trailer, but it will turn into a use at your own risk situation since Venture does not recommend using a weight distribution system.

If the boat trailer you are looking at has a pole tongue, you will need a pole tongue adapter, like part # RP58393, to use a weight distribution system.

As far as the towing capacity of your 2010 Suburban is concerned, GM states that your SUV can have a maximum towing capacity of 8,100 lbs if fully equipped. Since you have the heavy duty tow package, the towing capacity of your vehicle is likely 8,100 lbs. In some cases, using a weight distribution system will increase the towing capacity of a trailer hitch, but it will not increase the towing capacity of the vehicle. Adding a weight distribution system will not increase your towing capacity past 8,100 lbs. There is typically a sticker on the trailer hitch stating the Weight Carrying Capacity and the Weight Distribution Capacity, but this only applies to the trailer hitch, not the tow vehicle.

In theory, a weight distribution system could lift the rear wheels if they are over-tightened, but this situation is highly unlikely. Also, it is recommended to release the tension or remove the spring bars before backing your boat into the water. That way there will be no tension on the empty boat trailer.

Finally, if you do want to use a weight distribution system or choose another trailer manufacturer that is okay with the use of a weight distribution system, you will want to be sure you choose the best system for your trailer.

The important factor to consider when choosing a weight distribution system is the fully loaded and ready to tow tongue weight of the trailer. You must also consider the weight of any cargo that will be loaded in the rear of the tow vehicle behind the rear axle. This cargo will also contribute to the total tongue weight of the weight distribution system. You will want to choose a weight distribution system with a tongue weight range that encompasses the fully loaded and ready to tow tongue weight of your set up.

If you can send me the fully loaded and ready to tow tongue weight of the trailer you are looking at, along with the approximate weight of any cargo you plan on loading in your Suburban behind the rear axle, I can tell you all of the weight distribution systems that will work for you and give you a recommendation on a system.

expert reply by: John H

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