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How to Determine Correct Ball Mount To Keep Towed Trailer Level for Best Handling


Hi, Im looking for a ball and receiver for my 2013 Toyota Highlander hybrid/limited 19inch rims. I see you have the kit with 2 balls and 2 receivers. I just want to be sure I get a receiver that s low enough so the rental trailer is level. Any thoughts on which reciever might work? Thanks


Expert Reply:

There's a simple way to determine how much drop (or rise) you need from a ball mount in order to keep your towed trailer level. A level trailer handles better so you're wise to get it right!

Please refer to the linked article. This explains how to measure the hitch receiver height on the Highlander and also the coupler height on the level trailer. The difference between the two is the drop or rise needed in the ball mount. Hitch height - trailer height = drop; trailer height - hitch height = rise. It sounds like you'll be needing one with several inches of drop.

The linked page for 2-inch ball mounts will let you select the correct one. You can click on the filters on the page to select the drop you need. For example, if you need 10-inches of drop you can use Curt ball mount # C45112 along with either a 2-inch ball # 63845 or 1-7/8-inch ball # 19260. You can check the coupler on the rental trailer to confirm what size hitch ball it requires.

If the trailer has lights you'll also need a trailer wiring harness for the Highlander to power those lights. You can use plug-in harness kit # C56217 from Curt. Installation is shown in the linked video.

If you are new to towing you may care to review the linked article with general towing tips.

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