Fulton Trailer Coupler - FHDPB330301
Easy, do-it-yourself kit lets you create a space-saving foldaway tongue - up to 34" - so your trailer can fit in even the smallest garage. For 3" x 3" tongue.
Features:
- Creates up to a 34" foldaway tongue
- Includes mounting hardware, pivot bolt and pivot pin/clip
- Has corrosion-resistant, Z-max 600 zinc finish
- Made in the USA
Specs:
- Attaches to 3" x 3" tongue
- Has up to a 3,500-lb capacity (See Table)
- Includes a 5-year limited warranty
Use the Table below to determine your maximum pivot length based on your trailer capacity. Pivot length is the measurement from the center line of the coupler ball to the farthest pivot hole.

| Gross Vehicle Weight (lbs) | Maximum Tongue Load (lbs) | Maximum Pivot Length (in) |
|---|
| 2,600 | 260 | 48 |
| 2,800 | 280 | 45 |
| 3,000 | 300 | 42 |
| 3,200 | 320 | 39 |
| 3,500 | 350 | 34 |
HDPB330301 Fulton High Performance Bolt-On, Fold-Away 34" Hinge Kit, 2" Ball, 3" x 3" Tongue
alternate # HDPB340101
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Can the Fulton Fold-Away Coupler, FHDPB330301, Be Mounted So It Folds Upward?- The Fulton Fold-Away Coupler Hinge Kit, FHDPB330301, is only designed to be mounted in a side fold position. Testing has not been done for the fold up mounting position and there are other variables t view full answer...
Fulton Bolt on Versus Weld on Fold Away Coupler- I more or less agree with you. The Fulton Fold-Away Hinge Kit for 3 x 3 inch Trailer Tongue - Weld-On, item # FHDPW330300, is a cleaner look and if you got a bad weld job you would not have a safe se view full answer...
Recommendations On Installing Fold-Away Coupler Hinge Kit, Part # FHDPB330301- Any drill bit designed for drilling through metal will work, although tungsten carbide bits are the best (although pricey). Here are a few tips for drilling through metal. Start with a small bit, dril view full answer...
Trailer tongue size for fold away coupler- The Fulton Fold-Away Coupler Hinge Kit, part number FHDPB330301, will fit 3 inch by 3 inch tubing. Since the hinge would slip over the tubing, the thickness of the tubing would not present a problem. view full answer...
What Angle does the Fulton Fold-Away Coupler Open Up To- The couplers will swing 180 degrees. Depending on how long the tongue is and the shape of the trailer the coupler may hit the trailer frame before it opens up to 180 degrees. I installed one of these view full answer...