4425000317 | Bulldog Flat Mount Cast Head Coupler | 25,000 lbs.
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Coupler | Flat Mount Cast Head | Bulldog | 25,000 lbs.

SKU 4425000317

Typically ships in 7 to 10 business days.

The Bulldog Flat Mount Cast Head Coupler has a 25,000 lbs. gross trailer weight capacity and easy-to-use Wedge Latch for simple and quick hookups. For use with 2-5/16 inch ball. Weld or bolt on flat plate mount.

Product Specs for Bulldog 4425000317

  • Max Gross Trailer Weight:25,000 lbs.
  • Mount Type:Bolt or Weld On
  • Coupler Style:Flat Mount
  • Ball Size:2-5/16 inch
  • Latch Type:Wedge
  • Note:Cast Head, 4-1/2 inch mount pattern, grey primer coat.
  • Instructions:Bulldog 4425000317 Installation Instructions.
  • UPC: 016118085549
  • MPN: 4425000317
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Bulldog 4425000317 Details

Bulldog A-Frame Couplers are a heavy duty design, often specified in commercial, farming, and ranching applications. The heavy-duty Wedge Latch style are rugged and durable, designed for years of service.

  • High-strength cast steel for years of heavy-duty service
  • Wedge-Latch latches
  • Positive locking mechanism
  • Quick to hook up and disconnect


  • 4-1/2 inches between holes
  • 5/8 inch bolt hole diameter

Customer Q&A - Bulldog 4425000317


Bullodg trailer jacks are the unquestionable leader in the trailer and towing industry. Bulldog has been manufacturing the highest quality trailer jacks since 1919.

Whether it’s for livestock trailers, utility trailers, boat trailers or cargo haulers, every rugged and proven Bulldog product is certified ASABE S485 compliant – the ”gold standard” in proven performance for trailer jacks. Bulldog Trailer Jacks offer you proven quality, performance, and versatility. At TruckSpring we carry a wide range of Bulldog products and have you covered whatever your application.

Bulldog Warranty

1 Year Limited Warranty on all products

Some products have longer warranty coverage periods. This coverage is item by item and you should review the warranty information included. Bulldog warrants its products against defects in workmanship or material.

What the warranty does not cover

Normal wear and tear over time, damage from abuse or neglect, and damage resulting from accidents is not covered. Improper installation including welding will void any warranty. Any alteration of products beyond the included installation instructions will void the warranty.

You can view the full details of Bulldog’s warranty here.

How to get service

For warranty claims on Bulldog products contact Cequent Performance Products by phone at 1-800-521-0510.

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