The easiest 5th Wheel Hitch options from Andersen Hitches.
The Ultimate 5th Wheel Connection - Do away with the bulky, heavy turntable hitch. The Ultimate 5th Wheel Connection is amazingly smooth and quiet. Extremely strong, yet lightweight. Easy one person installation and works with your current Gooseneck ball hitch or existing rails. It has more swivel in every direction than all other 5th Wheel hitches available.
2 models available - Aluminium for underbed hitch mounting and steel for rail mounting.
The Ranch Hitch Adapter - Available in Straight and Offset versions. Funnel shaped coupler for quick and easy hook-up. 12"-16" height adjustments.
EZ Goose Receiver - Hooks to any standard Gooseneck Ball. Elevates connection for improved visibility. Same benefits as the Ranch Hitch Adapters but with more height adjustments.