Serving heavy-duty transportation customers for 80 plus years, Fontaine Fifth Wheel offers the only self-adjusting fifth wheel lock in the industry: the Fontaine No-Slack®. This exclusive design eliminates fifth wheel slack automatically for greater durability, improved locking performance and lower maintenance cost. With IATF 16949:2016 certified manufacturing facilities worldwide, Fontaine is dedicated to providing dependable, robust solutions for each demanding market segment that we serve.