Looking to convert a gooseneck hitch to a fifth-wheel pin box setup? The top adapters below convert a kingpin to a gooseneck or transform a 5th wheel into a gooseneck hitch, expanding towing options for heavy trailers. Each product is suited to different bed lengths, load capacities, and installation preferences. The following selections emphasize safety, ease of use, and compatibility with common trailer frames. See the quick-reference table for a snapshot of key specs and ideal buyers.
| Product | Best For | Key Benefit |
|---|---|---|
| C5G1216 12″-16″ Adjustable Cushioned 5th Wheel Gooseneck Adapter | Heavy-duty work trucks with longer beds | 20,000 lb towing capacity, cushioned 360° support |
| Fifth Wheel to Gooseneck Cushioned Adapter (12″-16″) | Budget-friendly, easy upgrade | Simple conversion with cushion |
| GEN-Y Nomad 5th Wheel to Gooseneck Static Pin Box | Rugged, bolt-on reliability | 30,000 lb tow capacity, SnapLatch auto-connect |
| Shocker 5th Wheel to Gooseneck & Demco Kit | All-in-one kit, compatibility with Demco | Auto latch, multiple height options |
| GEN-Y GH-8066AL Executive Torsion-Flex Pin Box | Premium ride and fit | Built-in suspension for smoother tow |
C5G1216 12″-16″ Adjustable Cushioned 5th Wheel Gooseneck Adapter
The C5G1216 is an adjustable cushioned gooseneck adapter designed to convert a kingpin to a gooseneck connection. It supports up to 20,000 lb gross trailer weight and 4,000 lb tongue weight. Height is adjustable from 12″ to 16″ with a sliding collar and set screws. Safety chains are included for added security. Best for heavy-duty towing with longer bed trucks where a cushioned, height-adjustable connection improves ride quality and control. Cautions: Not recommended for beds shorter than six feet or cushioned kingpin boxes.
Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter
This cushioned adapter converts a fifth wheel hitch into a gooseneck connection quickly. It’s designed for straightforward installations and provides a cost-effective option for drivers needing occasional gooseneck capability. Best for lighter-to-moderate towing tasks where speed and simplicity matter. Limitation: may not offer the higher load ratings of premium models; verify your trailer’s GVWR before use.
GEN-Y Nomad 5th Wheel to Gooseneck Static Pin Box
The GEN-Y Nomad is a static pin box replacement designed for Lippert frame variants (1621/1116/1716). It offers a high towing capacity of up to 30,000 lb and a 6,500 lb tongue weight rating. SnapLatch auto-connect provides quick, secure coupling. Best for heavy trailers where reliable hitch alignment and a robust frame connection are priorities. Note: Ensure the frame compatibility with your Lippert model and follow bolt torque specs for proper fit.
Shocker 5th Wheel to Gooseneck & Demco Conversion Kit
This complete conversion kit replaces the factory 5th wheel pin box with a gooseneck pin box and includes a Demco gooseneck coupler. It features auto-latching onto a 2-5/16″ gooseneck ball and three height adjustment options. Best for owners seeking a full conversion with hands-free latching and better bed access. Limitations: Verify compatibility with your specific Demco and Lippert components and ensure proper clearance for bed rails and cab height.
GEN-Y GH-8066AL Executive Torsion-Flex Pin Box
The GH-8066AL Executive model adds torsion-flex suspension to a fifth wheel pin box, delivering up to 30,000 lb towing and 5.5K pin weight capacity. It aims to reduce ride roughness and protect cargo during transit. Best for drivers prioritizing ride quality and long-term durability. Caution: Suspension performance varies with trailer weight distribution; ensure correct alignment and installation per the fitment chart.
Buying Guide: Key Factors When Choosing a Gooseneck To Fifth-Wheel Conversion Pin
- Intended towing weight and tongue weight: Match the product rating to your trailer’s GVWR and distribution.
- Bed length and clearance: Longer beds may benefit from adjustable heights; shorter beds may face clearance issues.
- Mounting compatibility: Check if the unit works with Lippert, Demco, or other frame types on your trailer.
- Safety features: Look for locking pins, SnapLatch systems, and included safety chains for secure connections.
- Ride quality: Consider cushioned or torsion-flex options if you regularly tow on rough roads or over obstacles.
- Installation complexity: Some kits require bolt patterns or specific hardware; ensure you have the proper tools and expertise.
Frequently Asked Questions
- What is a gooseneck to fifth-wheel conversion pin used for?
It allows connecting a gooseneck hitch to a trailer originally designed for a fifth-wheel pin box, expanding towing options. - Can I install these adapters myself?
Many are designed for DIY installation, but some require alignment, torque specs, and frame compatibility checks. - What load rating should I look for?
Choose a unit with a weight capacity that meets or exceeds your trailer’s gross weight rating and tongue weight. - Are there safety concerns to consider?
Yes—ensure secure latching, proper fastening, bed clearance, and use of safety chains or locks as recommended. - Do all adapters fit Lippert frames?
No—confirm frame compatibility (Lippert 1621/1116/1716, Demco, etc.) before purchasing. - Is a cushioned or torsion-flex design better?
Cushioned designs reduce shock transfer; torsion-flex improves ride quality on rough pavement but may be more complex to install.