Transforming a 5th wheel trailer hitch into a gooseneck setup can expand towing versatility for heavy trailers and large loads. The following five adapters offer adjustable heights, robust construction, and universal compatibility to fit standard 5th wheel rails and gooseneck couplers. Each option is selected for performance, ease of installation, and safety when towing. Read through the summaries, then compare key factors in the Buying Guide to help you choose the best fit for your rig.
| Product | Brand | Key Feature |
|---|---|---|
| Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter – 12″ to 16″ Adjustable Height Converter Gooseneck Trailer Hitch Adapter | PSAUTO Store | Cushioned conversion; adjustable height 12″–16″ |
| 5th Wheel to Gooseneck Adapter Fits Industry-Standard 5th Wheel Rails, Gooseneck Plate with 2-5/16 Inch Ball | Unknown | 30,000 lb GTW capacity; 3″ offset design |
| 5th Wheel to Gooseneck Adapter, Adjustable 17″ Hitch Converter with 2-5/16″ Ball | GEARBONE Store | Tool-free 15″–17″ adjustable; quick install |
| C5G1216 12″-16″ Adjustable Height Cushioned 5th Wheel to Gooseneck Adapter | Lamerto Store | Cushioned, adjustable height; fits kingpin box |
| C5G1216 Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter | Bicos Store | 20,000 lbs capacity; compatibility note included |
Cushioned Height Gooseneck Adapter
The Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter from PSAUTO Store converts a 5th wheel setup into a gooseneck connection quickly and with minimal vibration. The cushioned interface helps absorb road shock, enhancing stability when hauling heavy or dynamic loads. Height is adjustable within a defined range to align with your truck’s bed and hitch geometry, making it a practical option for mixed cargo and road conditions.
Universal 5th Wheel to Gooseneck Plate
This adapter fits industry-standard 5th wheel rails and converts to a gooseneck hitch plate with a 2-5/16 inch ball. It is designed for high towing demands with a gross trailer weight up to 30,000 pounds and a maximum vertical load around 6,500 pounds. The 3-inch offset provides flexibility for longer or shorter truck beds, allowing easier alignment with various trailer configurations.
Adjustable Gooseneck Converter – Gearbone
GEARBONE’s Adjustable 17″ Hitch Converter provides a tool-free setup with a height range of 15″ to 17″. It is built to support standard gooseneck couplers and includes pre-drilled holes with grade-8 bolts for a fast, robust installation. This option is particularly suited for owners who frequently switch between trailer types, enabling a quick transition between RVs, livestock trailers, boats, and dump trailers.
Lamerto C5G1216 Cushioned Adapter
The Lamerto C5G1216 12″-16″ Cushioned Adapter converts a trailer’s kingpin to connect to a Gooseneck Hitch. This unit features a sliding collar with set screws to adjust height across a 12″–16″ range, offering compatibility with a variety of truck beds and towing demands. It is designed to fit standard kingpin boxes and supports a range of RV, camper, and trailer configurations.
C5G1216 Cushioned Gooseneck Adapter (Bicos)
This model is a 12″-16″ adjustable cushioned adapter designed to convert a fifth wheel to a gooseneck, suitable for campers and RV trailers up to 20,000 pounds GTW. It includes guidance on compatibility and replacement part numbers, helping ensure the adapter matches your specific vehicle make and model for a secure fit and safe towing.
Buying Guide
- Weight capacity: Ensure the adapter’s GTW rating matches or exceeds your trailer’s gross weight to prevent overload and ensure safe towing.
- Height adjustability: A wider height range (e.g., 12″–17″) helps align with different truck bed heights and kingpin positions, reducing loading stress.
- Construction quality: Look for heavy-duty steel builds, rust protection, and cushioned interfaces to minimize road shock and wear on components.
- Compatibility: Confirm the adapter fits standard 5th wheel rails and gooseneck couplers, and verify any required hardware (bolts, pins) is included or readily available.
- Installation: Tool-free or minimal-install options offer faster setups; if drilling or welding is required, consider professional installation or alternative products.
- Offset and bed length: An offset design helps accommodate long or short truck beds; check whether the offset is adjustable and how it affects alignment with your trailer.
- Safety features: Look for secure pins, retainer systems, and a cushioned interface to dampen vibrations and reduce wear on both hitch and trailer.
- Vehicle compatibility: Some adapters indicate compatibility with specific trailer types (RV, livestock, boat, dump trailers); ensure yours is listed.
- Maintenance: Check for easy inspection points, wear indicators, and available replacement parts to maximize longevity.
When selecting a 5th wheel to gooseneck adapter, compare not only the price but also the load ratings, install method, and compatibility with your towing setup. The right choice improves stability, safety, and overall towing performance across a range of trailer configurations.