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Trailer Parts
Couplers
Gooseneck Adjustable Square Coupler 4.5" Square Outer Tube with 4.0" Inner Tube (2) 3/4" Diam Set Bolts, 30,000 Cap 0289800300
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Gooseneck Adjustable Square Coupler 4.5" Square Outer Tube with 4.0" Inner Tube (2) 3/4" Diam Set Bolts, 30,000 Cap 0289800300
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ST-0289800300
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Installation Instructions
Gooseneck Adjustable Square Coupler 4.5" Square Outer Tube with 4.0" Inner Tube (2) 3/4" Diam Set Bolts, 30,000 Cap 0289800300
You won't find a coupler that's faster or easier to use than the BULLDOG square gooseeneck. Its user-friendly design makes hookup and release swift and secure.
Easy-grip locking handle is accessible from any position
Self-centering locking plate lets you miss the ball by more than an inch
Tight ball fit reduces jarring when changing speeds or on rough roads
Heavy-duty high-strength fabricated steel components are as strong as heavy cast iron but lighter and less brittle
User-friendly design enables quick, easy hookup and release
Locking handle cover protects working parts
Cam locking pin affords easy vertical adjustment
Pinch bolt design
Click to Download PDF Installation Manual
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