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Adjustable Couplers
Bulldog is the most trusted name in trailer couplers, and our Adjustable Trailer Couplers are no exception. For over 80 years, Bulldog has been building that reputation with a number of innovations that have enabled it to stay out in front of the completion. Designed for the most rugged applications, like horse and livestock hauling, utility hauling, and construction trailer use, these couplers are the strongest in the industry.

The Bulldog Adjustable Height Coupler is available in either a Wedge Latch® style or Channel Mount style.

  • The Wedge Latch® Adjustable Height Coupler features patented coupler technology for positive, secure locking. An (optional) available height channel bracket allows the selection of up to five height settings, ensuring a perfect match to the trailer height for safe and secure towing.
  • The Channel Mount Adjustable Height Coupler also offers a range of height adjustments to assure level operation when an individual trailer is pulled by a variety of vehicles. Collar Lok technology ensure a continuously tight ball fit, an industry exclusive.

Designed to fit inside a 2-7/8” channel for quick, convenient adjustment, the channel mount adjustable height coupler provides for a precise fit to the towing vehicle.

Bulldog Adjustable Height Couplers are the strongest, most durable adjustable couplers in the marketplace. Advanced design and rugged construction ensure long and trouble free operation.

Adjustable Accessory
Bulldog Products - Adjustable Accessory
Part No. Description
AC300 0300 4 Hole, 3 Position Channel, w/8" Height
AC500 0300 6 Hole, 5 Position Channel, w/11-3/4" Height
Adjustable Channel Mount Coupler
Bulldog Products - Adjustable Channel Mount Coupler
Part No. Description
028390 Adjustable Coupler, 7000 lbs.
028630 Adjustable Coupler, 12,500 lbs.
028657New Product! Adjustable Coupler, 15,000 lbs.
Adjustable Coupler
Bulldog Products - Adjustable Coupler
Part No. Description
A2003C0317 Adjustable Coupler, Cast Head, w/Hardware, 3 Position Channel, 8000 lbs.
A2005C0317 Adjustable Coupler, Cast Head, w/Hardware, 5 Position Channel, 8000 lbs.
A200C 0317 Adjustable Coupler, Cast Head, w/Hardware, Less Channel, 8000 lbs. - Primed
A2563C0317 Adjustable Coupler, Cast Head, w/Hardware, 3 Position Channel, 14,000 lbs.
A2565C0317 Adjustable Coupler, Cast Head, w/Hardware, 5 Position Channel, 14,000 lbs.
A256C 0317 Adjustable Coupler, Cast Head, w/Hardware, Less Channel, 14,000 lbs. - Primed
Wedge-Latch® Accessory
Bulldog Products - Wedge-Latch® Accessory
Part No. Description
PL4 0201 Pin/Lanyard-5/16" w/4 Link Chain & Tab
Wedge-Latch® Flat Mount Coupler
Bulldog Products - Wedge-Latch® Flat Mount Coupler
Part No. Description
4420000317 Coupler Plate, 20,000 lbs. Cast - Primed
4425000317 Coupler Plate, 25,000 lbs. Cast - Primed
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