This premium fifth wheel is designed for years of performance and is the foundation for evolutionary new ideas that expand fifth wheel function and value. Most noteworthy is the first absolutely grease-free fifth wheel the FW3110. We also offer the industry's first Performance Guarantee. SAF-HOLLAND warrants not only the material and workmanship of the FW3510 and FW3110 Series fifth wheel, but we also guarantee the durability as well.