Finding the right 5th wheel attachment for pickups hinges on compatibility, ease of installation, and load capacity. This guide highlights five top options that convert 5th wheel rails into gooseneck towing setups, helping you pick the best match for light, medium, and heavy-haul duties. Ideal buyers include truck owners who want gooseneck towing without permanently altering their bed, fleet operators needing quick swaps, and heavy-haul users prioritizing durability. Below is a concise buying table and a quick-start rationale for each product section to help you decide at a glance.
| Product | Best For | Key Benefit |
|---|---|---|
| Curt Rail Mounted Gooseneck Hitch | Shop owners with 5th wheel rails | Direct rail-to-gooseneck compatibility |
| FlexHitch 30K Gooseneck Adapter (4″) | Heavy-duty hauling | High GTW and solid anti-tilt design |
| FlexHitch 30K 5th Wheel To Gooseneck Ball Adapter | Two-towing modes | Easy switching without bed mods |
| Sidasu Heavy-Duty 5th Wheel To Gooseneck Adapter | Rugged outdoor use | Coated alloy steel for weather resistance |
| ECOTRIC Universal Fifth Wheel Gooseneck Hitch Adapter Plate | Maximized trailer versatility | 2-5/16” ball and offset design |
Curt Manufacturing 16055 Rail Mounted Gooseneck Hitch
Brand: CURT. Features include mounting to standard 5th wheel base rails, enabling gooseneck trailers to be towed from a pickup with rails, and four-pin installation for bed access. Best for truck owners who already have 5th wheel rails and want a straightforward rail-to-gooseneck upgrade. Limitation: installation requires existing 5th wheel rails and compatible bed space.
Spyder 5th Wheel Rail Gooseneck Hitch with 2-5/16″ Ball
Brand: CURT. This setup enables gooseneck towing from trucks with 5th wheel rails and is rated for up to 30,000 lbs GVW, requiring base rails #16205 for full capacity. Best for users who need high capacity without altering existing bed features. Caution: ensure base rails compatibility before purchase.
FlexHitch 30K Lbs Gooseneck to 5th Wheel Adapter
Brand: FlexHitch. This adapter converts a gooseneck trailer’s 4″ round tube to a 2″ kingpin interface, allowing a 5th wheel hitch to tow gooseneck trailers. Best for truck owners wanting a quick, bolt-on upgrade with no bed modification. Limitation: requires compatible 5th wheel hitch, and the data notes a need for anti-tilt washers to prevent coupling tilt in harsh braking.
FlexHitch 30K 5th Wheel To Gooseneck Ball Adapter
Brand: FlexHitch. Features include a simple two-towing-mode switch, anti-tilt PU washers to reduce sudden tilt, and a heavy-duty lug plate that reduces sliding friction between parts. Best for those who want flexible towing modes with improved safety. Caution: ensure washers are installed to maximize stability in braking and turns.
Sidasu Heavy-Duty 5th Wheel To Gooseneck Adapter
Brand: Sidasu. Constructed from high-strength alloy steel with a black powder coating for rust and wear resistance. Best for heavy-duty hauling and outdoor use where weather exposure is common. Limitation: installation requires compatible 5th wheel rails and bed space compatibility must be verified for your truck.
ECOTRIC Universal Fifth Wheel Gooseneck Hitch Adapter Plate
Brand: ECOTRIC. This adapter plate drops into existing 5th wheel base rails to enable gooseneck towing, with a 2-5/16” heat-treated ball and a 30,000 lbs GTW/6,250 lbs TW rating. Best for maximizing truck bed versatility without investing in a full gooseneck system. Caution: verify bed-rail compatibility and clearance in your truck’s wheel wells.
Buying Guide
What should you consider when choosing a 5th wheel attachment for pickups?
- Compatibility: Confirm your truck’s bed, rails, and hitch model align with the adapter’s base rails and mounting pattern.
- Load Rating: Match the adapter’s GTW and tongue weight to your towing needs, especially for heavy loads or construction materials.
- Installation Type: Decide between bolt-on, simple transfers, or complete rail-to-rail changes. Bolt-on options preserve bed access.
- Safety Features: Look for anti-tilt washers, reinforced ribs, and lube plates that reduce wear and prevent sudden tilting.
- Durability & Weathering: Choose components with powder coating or corrosion-resistant alloys for long-term exposure to the elements.
FAQ
- Q: Can these adapters be used with any gooseneck trailer?
- A: They are designed to work with compatible 4″ gooseneck trailers and 2″ kingpin hitches; verify the exact trailer coupler before purchasing.
- Q: Do I need professional installation?
- A: Many options are bolt-on and designed for at-home installation, but confirm your chosen model’s requirements and local regulations.
- Q: Will using an adapter affect towing capacity?
- A: Yes, ensure the adapter’s GTW and tongue weight are suitable for your specific towing application and payload.
- Q: Are anti-tilt washers essential?
- A: They improve stability during braking and cornering and are recommended for reducing tilt in some models.
- Q: Is a lube plate necessary?
- A: A lube plate reduces metal-to-metal wear and can extend the life of the hitch and kingpin in many setups.