Andersen Bed Shaft

In stock
SKU: 3219
Regular price $119.99

• Fits into the OEM Ball System
• Ultimate Connection Gooseneck Mount connects to the bed shaft, similar to gooseneck balls

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Secure Gooseneck Hitch Bed Shaft for Stronger Towing Performance

The Andersen Bed Shaft is engineered to create a strong, direct connection between your Ultimate 5th Wheel Connection gooseneck mount base and your truck’s factory OEM ball system. Designed as a gooseneck ball upgrade, it provides a more robust and reliable coupling than a standard 2-5/16" ball, increasing connection strength and towing stability for your Andersen system.

Why Choose the Andersen Bed Shaft?

  • Stronger than a standard 2-5/16" gooseneck ball for improved hitch integrity and towing stability
  • Direct OEM compatibility that fits seamlessly into your truck’s factory gooseneck ball system
  • Easy installation and removal with no extra adapters or complicated hardware
  • Compact, heavy-duty design built for reliable 5th wheel towing performance
A man installing his simple, easy, and sturdy Andersen Bed Shaft in his truck bed.

How the Andersen Bed Shaft Works

Product infographic for the Andersen Bed Shaft (#3219), designed to improve the gooseneck connection of the Ultimate 5th Wheel Connection. The graphic shows the bed shaft installed in a truck bed's OEM ball system and notes that it makes the Ultimate Connection 33% stronger according to third-party engineering tests. It features three sections: a real-world photo of the shaft in a truck bed, a close-up product shot, and an installation side-view diagram illustrating how the gooseneck mount base connects to

The Bed Shaft fits directly into your truck’s OEM gooseneck ball system and serves as the attachment point for your Ultimate 5th Wheel Connection gooseneck mount base. Once inserted, it allows the Ultimate Connection to lock into place securely, creating a stable, balanced towing interface that reduces movement and improves handling compared to using a standard ball alone.

By eliminating extra adapters and minimizing unnecessary hardware, the Andersen Bed Shaft helps streamline your towing setup while enhancing connection strength and performance.

More Compatible Accessories for the Ultimate 5th Wheel Connection

3219 Andersen Bed Shaft 2048x. The definitive way to create a strong, fast connection between your Ultimate 5th Wheel Connection gooseneck mount base and your factory OEM ball system.
Anti Slip Kit for Ultimate. The best way to provide extra grip between the Ultimate Connection and the bed of the truck, all while protecting the bed from potential scratches.
Scaled Image of ROTA-FLEX Lockout Kit
safety chains for ultimate connection

Andersen Bed Shaft

The Andersen Bed Shaft creates a strong, fast connection between your Ultimate 5th Wheel Connection gooseneck mount base and your factory OEM ball system.

Anti-Slip Kit for Ultimate 5th Wheel Connection

The Anti-Slip Kit provides extra grip between the Ultimate Connection and the bed of the truck, all while protecting the bed from potential scratches.

Ultimate Connection ROTA-FLEX "LOCKOUT" Kit

The ROTA-FLEX "LOCKOUT" Kit is required when using an Ultimate 5th Wheel Connection with any Rota-Flex pin box to prevent damage to the hitch and/or tow vehicle. It also keeps the rubber pad in the Rota-Flex pin box from shifting over time.

Safety Chains for Ultimate Connection

The Safety Chains for the Ultimate 5th Wheel Connection have been road-tested and meet all current requirements for safety chains. We also offer chains with rail tabs and chains with a plate.

  • Fits into the OEM Ball System
  • Ultimate Connection Gooseneck Mount connects to the bed shaft, similar to gooseneck balls

Andersen Bed Shaft FAQ

What is the Andersen Bed Shaft used for?

The Andersen Bed Shaft is a heavy-duty gooseneck ball upgrade designed to connect your Ultimate 5th Wheel Connection gooseneck mount base to your truck’s factory OEM ball system. It replaces a standard 2-5/16" gooseneck ball to create a stronger, more secure hitch interface that improves towing stability and connection integrity.

Is the Andersen Bed Shaft compatible with OEM factory gooseneck systems?

Yes. The Andersen Bed Shaft is specifically engineered to fit into compatible factory OEM gooseneck ball systems. It installs directly into the truck’s built-in gooseneck receiver and allows the Ultimate 5th Wheel Connection to attach securely without additional adapters.

How does the Andersen Bed Shaft improve towing strength?

Compared to a traditional 2-5/16" gooseneck ball, the Andersen Bed Shaft increases the connection strength of the Ultimate 5th Wheel Connection by up to 33 percent. This stronger interface reduces movement at the hitch point and enhances overall towing performance and stability.

Do I need the Andersen Bed Shaft for my Ultimate 5th Wheel Connection?

The Andersen Bed Shaft is recommended for drivers who want maximum connection strength when using the Ultimate 5th Wheel Connection with a factory OEM gooseneck system. While the Ultimate can attach to a standard 2-5/16" ball, the Bed Shaft provides a stronger, more secure connection for demanding towing conditions.

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