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This Shocker 5th Wheel to Gooseneck Pin Box lets you pull your fifth-wheel trailer with a gooseneck hitch rated for 24,000 lbs gross towing weight and 6,000 lbs tongue weight. It replaces Lippert 1621, 0719, or Rhino pin boxes and connects to a standard 2-5/16" ball so you can tow without the need for a bulky fifth-wheel hitch. Made from steel tubing with a 4140 cast steel socket, the assembly is shot blasted and powder coated for long-lasting durability.
The integrated air bag and bumpers in the coupler absorb road shock and cut down on the push-pull feeling that’s common when towing heavy trailers. The air ride design filters out bumps and helps limit jerking, giving you steadier control over your truck and trailer. By reducing stress on both the frame and contents, it helps extend the life of your setup while keeping the ride comfortable.
You can easily tune how much cushioning you want by adjusting the air pressure in the built-in air bag. Load up your trailer and add more air for support, or let some out when towing lighter to keep the ride from feeling too stiff. It’s a simple way to match the suspension feel to what you’re hauling.
Hitching and unhitching are straightforward thanks to the lockable lever that engages or releases the coupler from the ball. The patented Shift Lock coupler uses dual locking bars to secure the ball in place for a tight fit that helps reduce rattle. Grease zerk fittings at the pivot point make maintenance quick, so you can keep everything working smoothly with just a few pumps of grease.
Because this setup connects directly to your gooseneck ball, you don’t need a fifth-wheel hitch taking up space. When it’s not in use, your truck bed stays open for hauling gear or materials. You get the smoother ride of an air-ride system and the convenience of a clean bed when it’s time to load up for something else.
Note: Safety chain adapters are needed to attach the mandatory safety chains for your rig. Use SHK35MR (sold separately) for best results.
Ratings & Reviews
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Ken S.
8/27/2025
Totally satisfied. This hitch makes my 41ft toy hauler ride as smooth as if it weren’t there. I had to add 30psi to the air adjust. Perfect! A bit more of an alignment challenge on tow hookup, but practice makes it a smooth operation. Installation was a breeze with just one person. 5 stars!