How to Determine Rise or Drop for Ball Mount

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Question:

Hello! I have a 2008 Toyota Tacoma two wheel drive extended cab pick up. I just installed the Curt hitch yesterday, and now I need the ball mount and ball. I’m assuming I would want to stick with the Curt brand for the ball mount. I will be pulling a 48“ x 40“ Ironton trailer. This is a “trailer in a box” that has to be put together. Your website certainly has a significant amount of information, and it is probably addressed somewhere, but I think I got overwhelmed looking for the information! Apparently I also have to think about the height of the hitch and the height of the trailer tongue. I’ll search for that on your website as well! Any help you can provide would be greatly appreciated! Thank you very much!

asked by: Bryan

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Expert Reply:

You're right, the information for getting everything correct is pretty overwhelming but you seem to have it down pretty well! In order to determine the correct rise or drop you need for your ball mount, all you have to do is measure from the top of your receiver to the ground and from the bottom of your trailer coupler to the ground and find the difference. You can use the cut outs of the linked help article on "How to Measure for Rise or Drop" I added.

For example, the Curt Trailer Hitch Receiver # 13323 on a 2008 Toyota Tacoma we found it was 18-3/4" from the top of the hitch to the ground. Let's say the bottom of your coupler was 16-3/4" high and it accepted a 2" ball. If that was the case you would want the Curt Towing Starter Kit for 2" Hitches - 2" Ball - 2" Rise, 4" Drop # C45554.

I have added a link to that help article for you which I strongly recommend reading, as well as a link to our entire selection of ball mounts that fit a 2" trailer hitch.

expert reply by: Kyle S

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Answer 1

I'm not 100 percent sure I know the exact dimension you are referring to by center of the hitch pin hole to where you slide the mount up to the receiver, but I believe you are asking about the hitch pin hole to the rear of the Curt Towing Starter…

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Answer 2

In order to choose the correct ball mount you'll need to measure from the ground to the top inside edge of the trailer hitch and then subtract the distance from the ground to the bottom of the trailer coupler while level. If this is where you…

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Answer 3

The reason why ball mounts like the #EBMK4 have a different rise and drop measurement is because of the way they are measured. Rise is the distance from the top of the shank to the top of the ball platform when the ball mount is oriented for greater…

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Answer 4

Yes, the Curt Trailer Hitch Receiver part #C13264 is a confirmed fit for a 2023 Toyota Tacoma. I verified this with Curt for you. It features a simple bolt-on install with no drilling required. It has a class III rating with 2" opening for use…

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Answer 5

Yes, you can use the CE Smith Post-Style Guide-Ons for Boat Trailers #CE27620 on your Multi Sport Trailer #CE48870. There won't be any clearance to attach them to the frame between the light and the fender, but they can be installed on the rear…

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Answer 6

The aftermarket hitches for a 2011 Toyota Tacoma don't fit alongside the factory installed hitch; some trucks have hitches you can add on to OEM hitches that fit underneath the original. So I can't see any reason why you wouldn't be able…

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Answer 7

I recommend using the following setup for towing a trailer with your 2022 Toyota Tacoma - Draw-Tite Max-Frame Trailer Hitch Receiver #75238 - Curt T-Connector Vehicle Wiring Harness #C56349 - Mounting Brackets #18144 and #18136 This gives you a solid…

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Answer 8

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 9

Yep, so long as your 2024 Subaru Crosstrek Wilderness is not a hybrid both the Curt and etrailer hitches will fit: - Curt Trailer Hitch Receiver #C13382 - etrailer Trailer Hitch Receiver #e98912 The only difference besides price is the finish; the…

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Answer 10

The "Trailer Disconnected" error message on the dash with a factory brake controller is usually related to an issue with the blue brake output wire that runs from the brake controller to the 7-Way connector. The fact that the issue remains…

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Answer 11

No. You are not able to use the safety chain loops on your Curt #13147 hitch as tow points because the loops that are found on the receiver tube of trailer hitches are not rated for towing. These loops are designed to have safety chains looped to…

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Answer 12

The amp draw on the product pages for both the #118379 and the #C55379 wiring harness is how much draw the harnesses are designed by their manufacturers to handle. The amount of draw will be determined by the lights on your trailer. The Curt is…

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How to Determine Rise or Drop for Ball Mount

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