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Lift Kit for Big Tex 30SA Single Axle Utility Trailer  

Updated 02/03/2026 | Published 07/25/2024

Question:

Hi I have a 2024 30sa big Tex trailer. Single axle 5x8. I want to lift it so it rides level what kit do I need for this?

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Expert Reply:

Hi Michael; it looks like that is the 30SA-8 which has a 3,500 lb axle. However, I can't tell if it is a standard axle with leaf springs or a torsion axle. If it is a Dexter torsion axle then the Torflex Lift Kit - Single Axle - 2-5/8" Lift # K71-707-01 you looked at is likely the right kit. However, I would double check the axle tag and make sure it is a #10. You could also check the bolt hole spacing which should be 8" on center.

If you have a standard axle with leaf springs sitting below the axle you could use the Dexter Trailer Springs Over-Under Conversion Kit # K71-384-00. This will flip the axle so the leaf springs sit on top, raising the trailer by the diameter of the axle and leaf spring stack. This fits a 2-3/8" diameter axle which is the standard for a 3,500 lb. Occasionally they are 3" so I would double check. If that is the case you need the # K71-385-00 instead.

expert reply by:
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Robin H
Robin H. profile picture
Etrailer Expert

Robin H.

2/3/2026

Hey Michael, did you get a chance to check whether your Big Tex trailer has a torsion axle or standard leaf springs? Knowing which lift kit worked would be really helpful for others trying to level their trailers. Your update could make it easier for the next person with the same setup.

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