2016 Haulmark 7 ft. ALX ALX ALUMINUM 7 FT. WIDE If you? ve got a job to do the new Haulmark ALX is the way to do it. All-aluminum construction results in a lighter trailer for increased fuel economy and increased hauling capacity. And the Haulmark ALX won? t rust even on the saltiest roads so your trailer will keep looking great job-after-job year-after-year. The Haulmark ALX features a tube perimeter frame and fully integrated sidewall and roof design that delivers commercial grade durability. Be sure to check out the innovative "Overlock" roof design ? an industry first. This pioneering design provides superior weather-tightness that is both screwless and seamless. Beauty and brawn in one easy to tow lightweight package! Cargo Trailers Cargo Trailers