Bulldog 10x 30K Gooseneck to 5th Wheel Trailer Coupler Adapter Square Inner Tube Only
Model: BGTC92Bulldog 10-Pack: 30K Gooseneck to 5th Wheel Adapter — Square Inner Tube Only (King Pin Plate)
Outfit multiple trailers or standardize your fleet with this bulk pack of ten (10) Bulldog square inner tubes that convert a gooseneck trailer for towing with a fifth wheel hitch via a king pin plate. Each inner tube delivers a robust 30,000-lb capacity, precise height adjustment, and the proven Bulldog fit and finish. Ideal for dealers, farms, construction fleets, and service yards looking for reliable, repeatable installs.
Bundle Contents:
- QTY (10): Bulldog Gooseneck to 5th Wheel Adapter — Square Inner Tube Only
- Capacity: 30,000 lbs GTW
- Connection: King Pin Plate (for 5th wheel hitches)
- Configuration: 4" square inner tube only (reuse existing 4.5" outer tube)
- Adjustment Travel: 8 inches
- Height Range: Retracted 23.3" • Extended 31.3"
- Square design with load-bearing pinch-bolt outer tube (outer tube not included)
- Durable, serviceable construction for heavy-duty commercial use
Recommendation: Verify your trailer’s existing outer tube size (4.5"), king pin compatibility, and frame clearances before installation. Inspect hardware regularly and follow OEM maintenance intervals.
| Specifications: | |
|---|---|
| Kit Type | Gooseneck to 5th Wheel Adapter – Inner Tube Only (Square) |
| Brand | Bulldog |
| Quantity in Bundle | 10 Inner Tubes |
| Coupler Capacity (lbs.) | 30,000 |
| Coupler Adjustment (in.) | 8 |
| Coupler Ball Size (in.) | King Pin Plate |
| Coupler Style | Gooseneck Trailer to 5th Wheel Hitch Adapter |
| Coupler Configuration | 4" Inner Tube Only (reuse 4.5" outer tube) |
| Set Bolts & Locking Pin | Inner Tube Only (hardware in outer tube, not included) |
| Retracted Height (in.) | 23.3 |
| Extended Height (in.) | 31.3 |
| Compatibility Keywords | Dexter, Lippert, Al-Ko, Rockwell (verify fitment) |
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$3,971 99
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Product Details
- Brand: Bulldog
- Model: BGTC92
- Includes: Gooseneck to 5th Wheel Coupler Adapter
