Can Regular Blue Ox SwayPro Weight Distribution be Used on Trailer with Underslung Coupler

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Question:

I have a blueox swaypro system with the 1,000# rated bars. I am upgrading my travel trailer to a JayFlight 29RKS. I believe that trailer has an underslung coupler. I calculate my tongue weight range to be 814-914 lbs. First, is the underslung hitch head necessary and why? Second, do you think the bars I currently have will work for the new trailer? Thanks

asked by: Casey E

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Expert Reply:

If you now have a trailer that has an underslung coupler then yes, you will need to use the SwayPro for an underslung coupler instead of the current part # BXW1000 that you are using. To make your current system compatible with an underslung system all you have to do is swap out the head to the underslung option using part # BXW4012. This is because the pitch that those bars connect to the head unit changes to accommodate the lower coupler. I confirmed this with my contact at Blue Ox.

When it comes to upgrading the weight rating of your weight distribution (WD) system it really just depends on if the 814 lbs - 914 lbs includes the cargo behind the rear axle of your tow vehicle or not. If it does then I recommend staying with the system that you currently have. If it doesn't then you might want to upgrade to the 1,000 lb - 1,500 lb system by using the bars # BXW4008.

expert reply by: Jon G

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Answer 1

You will not want to use the Head for Blue Ox SwayPro Weight Distribution w/ Pins - Underslung #BLU34XR on your trailer with a standard coupler. You would want to switch out the underslung head with the Replacement Head for Blue Ox SwayPro Weight…

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Answer 2

We have a similar Blue Ox weight distribution system that comes with the underslung head setup with part #BXW0753. This is for trailers that weigh up to 8,000 lbs and have a tongue weight rating of up to 750 lbs.

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Answer 3

I recommend the Fastway e2 Weight Distribution #FA92-00-0800 for your 5,500lb travel trailer with 492lbs of tongue weight. This hitch is rated for trailers weighing up to 8,000lbs with between 400-800lbs of tongue weight. I prefer this hitch as it…

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Answer 4

The spring bars may or may not play a part. Given the trailer is from 2020, there is a good chance you have spring bars that work with the old or new head. The old head is the Replacement Head for Blue Ox SwayPro Weight Distribution Systems #BXW4011…

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Answer 5

I attached a picture of the shank that comes with the Blue Ox weight distribution part #BXW0753. The shank has 7 holes and can give a rise of up to 8 inches or a drop of 2 inches.

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Answer 6

The head is the main difference on the #BXW0753. The angle for the trunnion bars is not as steep when compared to the head on the standard #BXW0756. The shank is the same.

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Answer 7

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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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

Yes, David you are correct. The Redarc Tow-Pro Liberty Brake Controller w/ Custom Harness item #RED82CR is exactly what you need. Since your 2024 Toyota 4Runner came with a 7-way connector, the plug and play adapter included with item #RED82CR will…

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Answer 10

Hello Tom, Thank you so much for the detailed information, especially having the Cat Scale weight so we know how your weight is distributed. I wish every customer was as thorough as you are. I really like the Equal-i-zer system that you have been…

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Can Regular Blue Ox SwayPro Weight Distribution be Used on Trailer with Underslung Coupler

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