Aluminum trailers are lighter than steel, don't rust (though they are prone to corrosion and cracking), and are more customizable. The trade-off is that aluminum bends more than steel under load.

On flatbed semi-trailers, ... On aluminum flatbeds, usually the beam, side rails, and floors are all made from the lightweight metal. Steel flatbeds are known for their durability and long life.

Semi-trailers are generally designed to convey heavy-duty loads. However, aluminum trailers are lighter and more fuel-efficient. Meanwhile, steel trailers are stronger and more durable.

Manac Inc., Canada’s largest semi-trailer manufacturer, completed the acquisition of Alutrec Inc., a manufacturer specializing in the design and production of aluminum semi-trailers.

Bony semi-teardrop trailer is one of the cheapest campers in the US By C.C. Weiss. September 26, 2024 ... Hiker moves from a steel-tube chassis to aluminum for the Highway Lite.

“Ron Dietz’s work to establish this aluminum line, plus his extensive background and knowledge of both steel and aluminum semi-trailers, make him the logical choice to lead our marketing efforts.” ...

Aluminum trailers are lighter than steel, don't rust (though they are prone to corrosion and cracking), and are more customizable. The trade-off is that aluminum bends more than steel under load.