The new Fontaine Ultra NT fifth wheel offers weight savings of up to 50 lbs. or more over competitive products to help offset heavy emission system components and improve fuel economy. Its patented No-Slack design automatically resets the lock to accommodate wear. The No-Slack design makes switching between trailers hassle-free, improves driver comfort and extends component service life. A patented safety trigger eliminates high-hitching. Coupling force is just 30 lbs. The Ultra NT features an easy-to-use pull handle and optional air actuation with in-cab air release.