Will SumoSprings Trailer Helper Springs Increase Space Between Frame and Axle

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Question:

I’m considering some of your products but need some insight. I’m not trying to increase the payload of my tandem axle trailer but I’ve noticed when it’s loaded I have very little room for suspension travel and have noticed that the deck cross members have been contacting the axles. Will the sumosprings for under sling axles help with this? I should add I’m not attempting to overload my trailer or make a modification to do so!

asked by: Joe M

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Expert Reply:

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 between the frame and axle then this may be due to worn out leaf springs so I recommend checking this but I have attached the SumoSpring options below which are based on axle type and capacity.

SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 3K to 5K - Underslung part # TSS-106-40
SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 5K to 8K - Underslung part # SS33HR
SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 3K to 5K - Overslung part # TSS-107-40
SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 5K to 8K - Overslung part # SS26MV

expert reply by: Conner L

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Answer 1

Hello Jose, Looking to upgrade the suspension on your 2019 Powerlite Toy Hauler 29FBXL? That’s always a great idea. With your tandem axle setup, it’s important to match the weight rating of the leaf springs to that of your axles. Going with a spring…

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Answer 2

We do not recommend moving from 7,000lb #e64SR to 8,000lb #DX74XR leaf springs as this creates a stiffer ride with more bounce. This causes more shock to transfer inside your RV which can cause damage to the trim and electronics. Instead I recommend…

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Answer 3

Thank you for the images. The MORryde Rubber Equalizers #MR87ZR are the correct set for your 2020 Keystone Outback Ultra-Lite 291UBH. You will pair this with the MORryde Suspension Upgrade Kit #MR46ZR. Instead of using the wet bolts included with the…

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Answer 4

From the center of the front mounting holes to the center of the rear mounting holes on the MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers w/ Lippert Rhino #MR83QR measures 7-1/2" as shown in the included diagram. I included a video…

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Answer 5

Hey Pat, The Rhino box definitely is shorter than what most Rver's were hoping for so we get this question all the time. Switching to a MORryde Cushioned pin box designed with a Rhino box bolt pattern unfortunately won't give you extra…

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Answer 6

The shipping weight of the MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers with Lippert Rhino part #MR83QR is 165 lbs.

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Answer 7

Thanks for the photos and information - that always makes things easier on our end! We do have a handful of replacement pin boxes that fit in place of your Lippert Rhino Pin Box. Since you don't think you'll want/need the air bag kit I…

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Answer 8

There are a few things that can cause bounce with a bumper pull trailer. Generally, bias ply tires would not contribute to trailer bounce, unless they are excessively worn. Trailer bounce is can be caused by worn out suspension components. You will…

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Answer 9

No, you would definitely need to upgrade the entire axle, to include the axle beam and spindles, not just all of the other components to get a 5,200 lbs axle. If you could send me a measurement of your Hub-face-to-hub-face length and your…

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Answer 10

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye to…

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Answer 11

For your application I recommend checking out the SumoSprings Trailer Helper Springs #TSS-107-40 because they are designed for an overslung leaf spring setup and SumoSprings tend to offer more forgiving support so it's more comfortable. This kit…

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Answer 12

If you are measuring your current leaf springs and are getting 26 inches from the center of the spring eye to the center of the spring eye and they are older springs it makes sense that they were originally about an inch less than that because…

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Will SumoSprings Trailer Helper Springs Increase Space Between Frame and Axle

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