Selecting a Trailer / Galvanized steel or aluminum frame?

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Probably one of the more common questions our customers ask, and the answer’s not all that simple.  First, both materials are highly corrosion resistant and exhibit sufficient strength for the task. 

Steel arrives raw, then is machined, bent, and drilled.  Once processing is complete, it is sent to be hot dipped in a molten zinc solution that completely coats the steel inside and out and transforms it from a rust prone material to one that resists corrosion and is even self-healing.  Steel is extremely strong and durable, and is ideally suited to high stress usage such as loading of a roller trailer.  Its major disadvantage against aluminum is weight.

Aluminum frames are very strong, sleek, and are found to be aesthetically pleasing to many owners.  Our patent-pending I-beam design with captured fasteners and integral wire gutter lends nicely to the aesthetic.  Others choose aluminum over steel as a weight saving measure.  Truth be told, the weight savings is not that great in many cases.  Most times an aluminum structure needs to be much thicker than steel for a given capacity.  You may notice that we limit aluminum framed roller models to just 6,000 lb capacity, and Load Rite recommends all aluminum framed models be limited to float-off / float-on launching and loading.


Click here for more information about Calculating Capacity of a Trailer.