CURT 16085 Spyder 5th Wheel to Gooseneck Adapter Hitch
- 25,000 lb gross trailer weight
- 6,250 lb tongue weight
- 2-5/16 inch ball
- Industry-standard rails, pin-and-clip mounting
- 50 pounds, carbide powder coat
- Limited lifetime warranty, one-year finish
Last refreshed Oct 2, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
The Spyder turns an existing fifth wheel rail setup into a gooseneck hitch for a pickup. Offset and weight are not matched to the other CURT plate here, so read the specs before choosing.
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ASIN: B001EP0I5MModel: 16085Category: Gooseneck Hitch
Overview
Converting a fifth wheel rail bed into a gooseneck hauler takes this Spyder plate, which drops onto industry-standard rails and fastens at pin-and-clip attachment points. A black carbide powder coat protects the steel from rust, scratches and UV.
Owners get one truck that handles fifth wheel and gooseneck trailers by swapping a plate. It is heavier than a simple ball mount, and its offset is not listed, which matters for bed and cab clearance.
Who it's for
Pickup owners with rails already bolted in who tow gooseneck trailers some days and fifth wheel trailers on others. Those without rails, or who want a lighter plate, should look at other options.
Pros and cons
- Fits all industry-standard rails
- Four pin-and-clip attachment points
- Quick removal frees the bed
- Carbide powder coat resists UV
- Offset not listed
- Heavy for a removable plate
- Rails sold separately
Performance notes
Weight is carried by the rails and frame under the bed, so the rail rating limits the setup as much as the plate does. The coating protects the finish from scratches and UV, but towing results come from correct pin seating.
Specifications
| Brand | CURT |
|---|---|
| Model | 16085 |
| Dimensions & fit | |
| Tongue weight | 6,250 lbs |
| Ball size | 2-5/16 inches |
| Item weight | 50 pounds |
| Construction & materials | |
| Material | Carbide |
| Finish | Powder Coated |
| Compatibility & installation | |
| Compatible vehicle type | Truck |
| Mounting | Industry-standard rails, pin-and-clip attachment |
| Warranty & support | |
| Warranty | Limited Lifetime Warranty, one-year finish |
| Other details | |
| Gross trailer weight | 25000 pounds |
Frequently asked questions
Does the CURT 16085 Spyder fit nonstandard rails?
The description says the gooseneck plates mount onto all industry standard rails. No specific rail brand or truck model is named, so check your rail style before ordering.
How is the CURT 16085 different from a plain gooseneck ball?
It is an adapter plate, not a bumper or bed-mounted ball. It uses 5th wheel rails to carry gooseneck trailers.
Does the Spyder list an offset?
No. The listing gives the ball size and the weight ratings, but no offset figure.