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Raising Trailer with Welded On Torsion Axles


I read with interest your article on raising a trailer with the kits you recommended. I have a small 12foot box 1993 4 Star goose neck with tandem 5200 lb torsion axles. I have no idea of their manufacturer. I just purchased a 2018 Chevrolet Silverado 2500HD, gas not diesel, and the bed height is 3 or 4 inches higher that my previous 2010 F250 Super Duty and the bed rails also are a bit taller. If I set the hitch height to give me a comfortable distance between the top of the bed and the trailer the trailer sits at an unacceptable angle squatting on the rear wheels. Thus I need to raise the trailer. These axles appear to be welded into place, not bolted. Can the kits you referenced be made to work in this situation or is there another solution. It looks to me that the two welds on the flange at each end of the axle could be cut free and a proper length of 2inch square tube inserted and then weld everything back into place. Assuming there is no kit for this. I worry about keeping the axles in proper alignment both with the trailer and with each other without some sort of jig. My question is two-fold: Is there a kit for this and how is proper alignment maintained?


Expert Reply:

There is a solution for you, but the lift kits you referred to such as # K71-725-02 will not work with welded on torsion axles.

The best option is for you to simply remove your torsion axles and use the Timbren Axle-Less Trailer Suspension System # TASR5200S03, which is rated for 5,200 lbs and has a 4" lift spindle. With these you would need Hub and Drum Assembly # 8-201-5UC3-EZ or Idler Hub Assembly # 8-213-5UC1-EZ.

With the Timbrens there is no alignment needed; the system does come with shims so you can make minor adjustments.

expert reply by:
Kyle S

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