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Can Timbren ASR5200S01 Axle-Less Suspension Be Installed on an I-Beam Frame


Hi, looking to upgrade my dexter 3500lb axle with something with a little higher weight rating. Looking at the Timbren rated for 5200 lbs. I would think that design could put a high twisting force on the trailer beam. In my case I have a 6” I beam. How do you mount it to an I beam? Also I could not use a square tube cross member since my fresh water tank is in the way. Also this system supports the frame/weight in front of the spindle whereas my current leaf spring supports the weight both fore and aft of the axle. Thus with Timbren, the trailer beam extends about 1.5 ft or so past the support pointvs the leaf spring. Do I need to consider the additional arm force put on the beam? Thanks


Helpful Expert Reply:

I spoke with my contact at Timbren, who tells me that a 6 inch I-beam should have the necessary rigidity to properly support your trailer and to resist torque placed on the frame member, even though you won't be able to use a square piece of tubing.

He went on to say that in order to install the # ASR5200S01 Timbren Axle-Less suspension, you'd need to have the outside of the I-beam boxed in by having some steel plate welded to it. Boxing off the I-beam will add additional strength to the frame member, so you won't need to be concerned about force placed on the beam.

You'd want to use a professional welder/fabricator to do this for you so that it's done properly.

helpful expert reply by:
Mike L

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