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Can I Replace a Torsion Axle on a Tandem Axle Trailer with the Timbren Axle-Less Suspension System


I have 1999 cargo trailer with 5200lb torsion axles. The front axle spindle on one side has gone bad. I would like to replace the front axle with your product. Can I install the axlesless system on only the front axle and keep the second torsion axle on the trailer because is still works fine. Thanks


Expert Reply:

You can add the Timbren Axle-Less Suspension System, # ASR5200S01, to your trailer in combination with one of your current torsion axles, but there are two important factors to consider before proceeding.

You will want to consider the distance from the center of the spindle to the trailer frame and the amount of deflection. For example, the Timbren Axle-Less Suspension System - 5,200 lbs, # ASR5200S01, will put the center of the spindle 3-9/16 inches below the bottom of the frame when empty and it has a deflection of 2-3/4 inches. The arms of a torsion axle have one of several different starting angles and they typically have a deflection of approximately 3 inches when they are in good working order.

The best case scenario for adding the Timbren Axle-Less system is that your torsion arms have a starting downward angle of 45 degrees (see photo). You could probably get by if you have a downward angle of at least 22.5 degrees, but anything less than that would cause one axle to sit much taller than the other. To measure your torsion axles starting angle, you will want to jack up the trailer, remove the wheel and check the angle of the torsion arm in relation to the bottom of the trailer frame.

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expert reply by:
John H

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