Fontaine Trailer’s Fontaine Magnitude 55MX extendable heavy-haul trailer features a modular design that provides exceptional convenience and versatility. Fabricated with 100,000# minimum yield steel flanges, the Magnitude 55MX is very durable and designed to deliver years of service. It boasts a 29 ft clear deck length in the retracted position and easily extends to 50 ft. The loaded deck height is 20″ with 6″ ground clearance. The versatile gooseneck includes all the connections needed to add the optional flip box so a 125″ swing clearance can be achieved. The adjustable ride-height mechanically locks to give  the perfect deck-to-fifthwheel relationship for a specific hauling job.