How to choose the best weight distribution hitch?

The important of a weight distribution system

Weight distribution System is an absolutely indispensable tool for those who possess an RV. Without it, your car’s back end will be lower and the front end will be higher due to the concentration of weight. This situation may lead to several dangerous outcomes such as rough ride, loss of brake and steering control, or worse, uneven tire wear.

Shop for the best weight distribution hitch may be confusing for novice RV owner. For that reason, I’m writing this article to show you the buying guide.

 

Why does the weight distribution work?

Thanks to the spring bars added to the towing setup, the weight is now distributed to both your car and your trailer.

When is the tool necessary?

 

  • The weight of your trailer is greater than 50% of your car’s weight
  • The rear of your car is bent down in the middle when you connect the trailer to it.
  • Trailer sway
  • It’s hard to steer or stop the rig
  • The tow car’s headlight is pointing upward

How to choose the right weight distribution hitch?

Firstly, you need to take the size system, towing component and capacity into consideration.

Specifically, you have to understand these 2 types of weight ratings which include:

 

Gross Trailer Weight: this parameter indicates the total weight of the fully loaded trailer. In order to measure this number, you must fully load the trailer based on its recommendation.

Tongue Weight: This number is the total of the trailer’s tongue weight and the cargo weight which is located behind the car’s rear axle. Tongue Weight of your trailer is calculated based on a specialized tool named tongue weight scale. Regarding the weight of cargo, you can use a simple commercial scale to measure it. How to do it? Just measure 2 times: The first one, you calculate the weight with cargo. Secondly, you measure the weight of your car without cargo. Finally, all you have to do is subtract the 2 aforementioned parameters.

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After having the Gross Trailer Weight and the Tongue Weight, you can now choose the weight distribution hitch:

The good weight distribution hitch must have the ratings greater or equal to this Gross Trailer Weight.

Additionally, the right system must have the Tongue Weight which is approximate to the Tongue Weight that you have calculated above.

 

For example: Your trailer’s tongue weight is 1000 kg, and the car is currently loading a 200-kg cargo. If you choose a weight distribution hitch with 2000 kg Tongue Weight Rating, this tool will cause a rigid ride. Reversely, if you purchase a 600kg tongue weight tool, the dangerous risk may happen.

Then, you should take the size of spring bars into consideration. On every spring bar, you will find a number which indicates the maximum amount of weighing distribution.

For example: a 1000-kg spring bar allows to transfer a maximum weight of 1000 kg from the rear axle

Based on the distance from your car’s rear axle to the receiver, the proper size of spring bars will vary. Unfortunately, there’s no formula to calculate this parameter.

Additionally, you should choose a sway control in order to smoothen the steering control and trailer sway.

Most of the manufacturers sell both sway control and weight distribution system in the same package. This great tool is able to control the friction at the hitch head and along the trailer frame thanks to the 2 integrated friction plates.

The sway control hitch and the weight distribution hitch look identical so people are often confused. Just keep in mind to ask your trailer salesman which is the sway control in case you need one.