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Can the Leaf Springs Be Upgraded On a Lippert 3,500 Lb Axle  

Published 07/02/2020



Question:

This is a tandem axle travel trailer, are you recommending two sets of Sumo spring helpers? I would rather install the heavy duty leaf springs. 25 1/4 eye to eye. Thanks

1

Helpful Expert Reply:

It is possible to upgrade the leaf springs on a trailer to a higher rated set but I do not recommend this as it can create a rough ride. The better option would be to install the SumoSprings Trailer Helper Springs part # TSS-107-40 for overslung or part # TSS-106-40 for underslung axles. These will offer both additional support without decreasing the ride quality.

If you would still like for me to recommend a set of upgraded leaf springs, I'd need to know the unloaded length from eye to eye.

expert reply by:
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Conner L
Joe S. profile picture

Joe S.

7/2/2020

This is a tandem axle travel trailer, are you recommending two sets of Sumo spring helpers? I would rather install the heavy duty leaf springs. 25 1/4 eye to eye. Thanks

Conner L. profile picture

Conner L.

7/2/2020

Correct, you'd need to use two sets of the SumoSprings Trailer Helper Springs or upgrade to the 4-Leaf Double-Eye Spring part # e28SR which would be about a 1,500 lb upgrade.
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Instructions for TSS-107-40
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