The First Name in Quality Couplings


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320 / 320A Hinge Assembly

Accepts 3 in. (76 mm) standard channel or square tubing.
344 Rubber Bushings standard, 344A Poly optional (320A).


320 Pair of 320 Hinges with 344 Rubber Bushings.
320A Pair of 320 Hinges with 344A Poly Bushings.
Parts included with each hinge: 321B Bolt, 321C Locknut, 321D Flat Washers (2), 344 Bushing, 350 Bracket, 351 Bolt & Nut (2), *352 Taper Pin, 354 Housing, 359 Flange.
*352 Taper Pin includes: 321B, 321C, 321D (2).


Max. Gross Trailer Weight (pair): 100,000 lbs. (45,359 kg)
Unit Weight (pair): 51.2 lbs. (23.2 kg)

Warning: For any changes that you might make please refer to our technical documents.

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