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B&W Defender Locking Gooseneck Coupler

Made in the USA
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  • Secures your investment with an integrated theft deterrent
  • Lock your trailer when coupled or uncoupled
  • Constructed from heavy-duty steel
  • Powder-coat finish to prevent rusting
  • Designed for 4" round gooseneck trailers
  • Automatic Latch
  • Cone shaped coupler for easy install
  • 25,000 lb. GTW / 7,500 lb. TW
  • Limited lifetime warranty
  • Made in the USA - Humboldt, KS

If you have a gooseneck hitch and want to protect from theft, then the B&W Defender Locking Gooseneck Coupler is a must have. The Defender is unlike any gooseneck trailer coupler on the market today. With unrivaled ease of use and security features built into the coupler, the Defender keeps your property safe and ensures easier towing. It is constructed out of heavy-duty steel and can handle up to 25,000 lbs. gross trailer weight and 7,000 lbs. tongue weight. It will fit any 4" gooseneck and has a cone shaped coupler that makes lining up and hooking to your trailer easier. It has an automatic latch so all you have to do is line up the ball, drop the trailer, and you're on the road! It has an integrated push button keyed lock that secures your investment with an integrated theft deterrent. You can lock your trailer when coupled or uncoupled. You can rest easy knowing this coupler is made right here in the USA and is backed by a limited lifetime warranty.

Deter thieves and protect your property with the B&W Defender Locking Gooseneck Coupler today!

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Spec Sheet
California Residents: Prop 65 Warning


Installing the B&W Defender Locking Gooseneck Coupler is simple with the step by step instructions. If you have any questions please give us a call or check out the PDF install guide below!


B&W stands behind their products and has backed the Defender Gooseneck Locking Coupler with a limited lifetime warranty which covers any defects in materials or workmanship. The warranty only applies to the original purchaser and does not cover accidents, abuse, misuse, or neglect. Normal wear and tear should not result in product failure and is not covered by this warranty. If defective, B&W will either repair or replace the product or product component free of charge. You can register your product at https://www.bwtrailerhitches.com/forms/warranty-product-registration