Answering the top question for buyers: these 5th wheel adapters convert a fifth-wheel hitch to a gooseneck ball to enable flexible towing for various trailers. This guide highlights five reliable options and explains who each product is best for, plus practical cautions. Ideal buyers include heavy-duty truck owners needing easy switching between hitch types, equipment haulers seeking quick compatibility, and anyone upgrading their towing versatility without changing the truck bed. The table below compares key specs to help you decide at a glance.
Quick comparison table
| Product | Max Load | Key Benefit | Best For |
|---|---|---|---|
| Misakomo Fifth Wheel To Gooseneck Adapter | 30,000 lbs | High strength with rust resistance | Heavy-duty towing, wide weather use |
| GELUOXI C5G1216 | 20,000 lbs | Adjustable height 12″–16″ | Mid-size to heavy loads, height flexibility |
| FlexHitch 30K Adapter | 30,000 lbs | Integrated anti-tilt features | Heavy payloads, tilting risk management |
| Racewill Fifth Wheel Gooseneck Adapter | 30,000 lbs | Forged steel with rust resistance | Rugged, long-term use |
| TOWGUARD Fifth Wheel To Gooseneck | Unknown (heavy-duty) | PU washer system for cushioned ride | Smooth connection, reduced vibration |
Misakomo Fifth Wheel To Gooseneck Adapter
Features highlight a forged steel construction and one-piece machining for maximum strength. It supports up to 30,000 lbs gross trailer weight with a 2-inch kingpin and a 2-5/16 inch gooseneck ball, combined with an 8″ middle disc for stability under dynamic towing forces. Rust-resistant coating extends service life in harsh conditions. Best for heavy-duty applications where durability and high load capacity are priorities. Caution: ensure proper alignment during installation to prevent premature wear or misfit under heavy loads.
GELUOXI C5G1216 Adjustable Cushioned 5th Wheel Gooseneck Adapter
This model adds height flexibility from 12″ to 16″ with a cushioned, 360-degree interface and includes safety pins. It converts a kingpin to a gooseneck connection and supports up to 20,000 lbs GVW, with a 4,000 lbs tongue weight. Best for owners who need occasional height adjustment and an added safety tie-in. Not recommended for trucks with beds shorter than six feet or cushioned kingpin boxes due to clearance and fit concerns.
FlexHitch 30K 5th Wheel To Gooseneck Ball Adapter
Designed to switch quickly between 5th wheel and gooseneck modes without bed modifications. It features a 2″ kingpin and a 2-5/16″ gooseneck ball supported by a 8″ middle disc to disperse dynamic forces. The package includes 4 anti-tilt PU washers and a lube plate to reduce wear and stabilize the connection. Best for users focusing on ease of switching and added tilt resistance. Limitation: performance depends on the correct washer and plate installation; improper setup can reduce stability.
Racewill Fifth Wheel Gooseneck Adapter
Built from forged steel with rust-resistant coating, this adapter delivers a 30,000 lbs load capacity and a 7,500 lbs tongue capacity. It integrates a 2″ kingpin and a 2-5/16″ gooseneck ball with an 8″ middle disc to evenly distribute force. Best for heavy-duty towing where reliability is critical. Caution: verify compatibility with your specific fifth-wheel hitch model to avoid fit issues.
TOWGUARD Fifth Wheel To Gooseneck Ball Adapter
Offers a 2″ kingpin at the bottom and a 2-5/16″ gooseneck ball on top, with PU washer and lube plate included to cushion the connection. This setup aims to reduce metal-to-metal wear and minimize vibration for smoother towing. Best for drivers who want a cushioned ride and a straightforward conversion. Caution: check if the PU washer system aligns with your hitch’s geometry before installation.
STEGEWOP 5th Wheel To Gooseneck Adapter
Stegewop offers a 2-5/16″ ball with 30,000 lbs capacity and an adjustable height range of 15″–21″. It’s positioned for RVs and trailers that need extra height flexibility. Best for users needing taller clearance. Limitation: higher height range may require longer drop or lift compatibility checks with your trailer bed and hitch setup.
Buying Guide
What should you consider when choosing a 5th wheel to gooseneck adapter?
- Load capacity: Match the gross trailer weight (GTW) and tongue weight to your trailer specifications. Higher capacity is safer for heavy fifth wheels and gooseneck trailers.
- Height adjustability: If your towing scenarios vary in bed height, choose adapters with adjustable height to maintain proper coupler alignment.
- Safety features: Look for safety pins, anti-tilt washers, locking mechanisms, and a robust middle disc to reduce wobble and distribute forces.
- Material and finish: Forged steel with rust-resistant coatings prolongs life in adverse weather and rugged use.
- Compatibility and installation: Confirm kingpin size, gooseneck ball size, and whether the unit requires additional plates or lube to operate smoothly with your hitch assembly.
- Maintenance needs: Some models include lube plates and PU washers; understand replacement intervals and availability of spare parts.
Frequently Asked Questions
- What does a 5th wheel to gooseneck adapter do? It converts a fifth-wheel hitch to a gooseneck ball so you can tow gooseneck trailers without changing your hitch system.
- What load capacity should I look for? Choose an adapter rated for the GTW of your heaviest trailer, typically 20,000–30,000 lbs for heavy-duty configurations.
- Are height-adjustable adapters necessary? They’re helpful if you tow trailers with different bed heights or need precise coupler alignment.
- Do I need safety accessories? Yes. Consider anti-tilt washers, locking pins, and lube plates to reduce wear and maintain connection stability.
- Can these adapters be reused across different trucks? They are designed to fit hitch configurations, not all truck beds or frames. Verify compatibility with your vehicle and hitch.
- Is a rust-resistant finish important? Yes, it extends life in adverse weather and helps prevent corrosion on exposed parts.