Recommended Jounce Springs for Trailer with 7K Axles

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Question:

Can you recommend an axle bump for a Dexter 7000lb tandem axle trailer? Under slung

asked by: Bill K

0

Expert Reply:

The SumoSprings Trailer Helper Springs part # TSS-106-40 which are designed for underslung springs I can confirm will work with 7,000 lb axles. They are our best option for trailer jounce springs so this is what I recommend. They do a great job of providing additional support as needed as well as helping to reduce body roll and sway.

expert reply by: Conner L

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Answer 1

Installing a 4,000 lb capacity leaf spring on a trailer with a 3,500 lb capacity axle will make the suspension stiffer which could then in turn minimize the risk of the axle contacting the frame. However, this is not what I recommend to fix your…

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Answer 2

Instead of replacing your leaf springs, the best solution for the issue you are having bottoming out is the SumoSprings Trailer Helper Springs #TSS-106-40. The reason is these will sit on the leaf spring and take the brunt of the capacity and cushion…

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Answer 3

The height of the SumoSprings Trailer Helper Springs w/ Line Relocation Bracket #TSS-106-40 is 4 inches for just the rubber spring portion of it. Since you have 3 inches from the axle to the frame that would indicate that there would be a compression…

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Answer 4

Since you have a 5,200 lb underslung axle the correct SumoSprings kit would be the part #SS33HR as the kit you mentioned would be rated too low. Normally you would install this on the front side of the axle. We have also confirmed that this works…

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Answer 5

The SumoSprings Trailer Helper Springs typically install compressed so they do tend to provide more space between the frame and axle in most cases but not by much and this is not really the goal of the system. If you don't have enough space…

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Answer 6

You'd want to install the SumoSprings Trailer Helper Springs #TSS-106-40 on the front side of your axle.

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Answer 7

The SumoSprings Trailer Helper Springs #TSS-107-40 are designed for single axle trailer applications, so for your tandem axle travel trailer, you'll just need two of these kits. These SumoSprings will fit your 2016 KZ Sportmen travel trailer as…

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Answer 8

The SumoSprings Trailer Helper Springs part #TSS-106-40 per the instructions will be installed on the side of the axle closest to the end of the leaf spring that is connected to a shackle or center link.

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Answer 9

You got it! When installing the SumoSprings Trailer Helper Springs #TSS-106-40 on your trailer with tandem 3500lb axles the helper spring will get installed in the front part of the rear axle closer to the equalizer, and on the rear part of the front…

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Answer 10

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 11

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 12

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Recommended Jounce Springs for Trailer with 7K Axles

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