What Is The Difference Between 7 Hole and 9 Hole Shanks For Blue Ox TrackPro Weight Distribution?

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Question:

How do you choose between the different shank hole versions on the Blue Ox TrackPro Weight Distribution systems? 2017 Ford F150 4x4 Towing a travel trailer with TW 645 lb. 7000 lb. GVW

asked by: Darrell L

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Expert Reply:

The difference between the 7 hole shank included with the Blue Ox TrackPro Weight Distribution w/ Sway Control - 7-Hole Shank - 8K GTW, 800 lbs TW # BLU47FR and the 9 hole shank included with the # BLU67FR is the amount of rise or drop the shank offers.

The 7 hole shank offers no drop and between 2" - 12" rise, where the 9 hole shank offers 4-1/2" drop or 10-1/2" rise.

To determine which shank will be correct for your setup you will need to measure from the ground to the top inside edge of the trailer hitch receiver on your 2017 Ford F-150 4x4, and after leveling your trailer you will need to measure from the ground to the bottom of the coupler on your trailer.

If the measurement for the trucks receiver is higher than the measurement for the coupler you will need a shank with drop so the # BLU67FR will be correct, and if the coupler on the trailer is higher than your trucks receiver you will need a rise and can go with either the # BLU47FR or # BLU67FR.

I included videos for both of the products mentioned, and a link to a helpful article that goes over how to measure for the correct rise or drop for you to take a look at.

expert reply by: Samuel C

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Answer 1

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Answer 2

The Dexter Nev-R-Adjust electric trailer brakes can be manually adjusted. There are a couple teeth of the adjustment wheel that are exposed just under the lever that you referenced. I have attached a photo showing the teeth. You will likely need a…

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Answer 3

I would be happy to help. It sounds like your Blue Ox SwapPro Weight Distribution System #BXW1000 may not be set up correctly causing it not to distribute weight properly. First things first with your Ford Expedition and trailer parked on level…

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Answer 4

Your best option is going to be the Reese Strait Line part #RP66084 as it has a tongue weight range of 600-1,200 lbs which would be perfect for your tongue weight of 725 lbs. The sway control on this system is the only style on the market that…

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Answer 5

The main sign of an improperly installed weight distribution hitch is that the the rear of your 2018 Nissan Pathfinder SL is not back to the same height as it was before your 2021 Forest River Wolf Pup was hooked up. To verify park your Pathfinder on…

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Answer 6

The instructions for the Blue Ox Track Pro #BLU47FR are available on the product page towards the bottom, but I've also linked them to this answer for you, as well as a review video that you might find helpful.

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Answer 7

The Blue Ox TrackPro Weight Distribution w/ Sway Control - 7-Hole Shank - 8K GTW, 800 lbs TW #BLU47FR actually recommends using grease periodically on the hitch ball as part of the regular maintenance. The White Grease Hitch Ball Lube #58117 is…

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Answer 8

So there could be a number of different issues behind why your Dexter Nev-R-Adjust Electric Trailer Brake Kit #23-468-469 feel weak. First, let's start with the more obvious, which is the wiring, specifically, a ground that is loose or weak from…

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Answer 9

The #AKEBRK-35L-SA Self Adjusting brake assemblies will adjust themselves as you drive after the initial installation. The front brakes will always bear a bit more of the braking work, because more of the trailer weight is normally on the most…

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Answer 10

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 11

For a weight distribution system, there are always exceptions,but in general the systems with only bars and chains do not have sway control. They are adjustable in tension for different weight, but are a little more work. The bar systems whether…

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Answer 12

The vast majority of trailers on the market use a standard coupler (installed on top of the trailer frame) which is compatible with the B&W Continuum Weight Distribution System w/ Sway Control #BW28FR. Underslung couplers aren't as common but…

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What Is The Difference Between 7 Hole and 9 Hole Shanks For Blue Ox TrackPro Weight Distribution?

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