Description
Premier Manufacturing 320 & 320A Hinge Assemblies
The 320 and 320A Hinge Assemblies from Premier Manufacturing are available with either rubber or poly bushings. Each assembly is sold as a pair of hinges only. These hinges are designed for 3-inch (76 mm) standard channel or square tubing.
Brand: Premier Manufacturing
Legacy #: 320 & 320A
Dimensions: See diagram photo
Models Available:
| Model # | Part # | Description | Parts Included (per hinge) |
|---|---|---|---|
| 320 | 10000941 | Pair of Hinges, Rubber Bushings | 321B Bolt, 321C Locknut, 321D Flat Washer (2), 344 Bushing, 350 Bracket, 351 Bolt/Nut (2), 352 Taper Pin, 354 Housing, 359 Flange |
| 320A | 10000944 | Pair of Hinges, Poly Bushings | 321B Bolt, 321C Locknut, 321D Flat Washer (2), 344A Bushing, 350 Bracket, 351 Bolt/Nut (2), 352 Taper Pin, 354 Housing, 359 Flange |
Specifications:
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Max Gross Trailer Weight (Pair): 100,000 lbs. (45,359 kg)
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Unit Weight (Pair): 51.2 lbs. (23.2 kg)
Replacement Part Specifications:
| Model # | Inside Diameter | Outside Diameter | Length |
|---|---|---|---|
| 344 | Tapered Bore | 3 1/2 in. | 4 1/2 in. |
| 344A | Tapered Bore | 3 1/2 in. | 4 1/2 in. |
About Hinge Assemblies:
Premier Manufacturing is the only company in the industry to offer adjustable hinge assemblies. These heavy-duty hinges are engineered with no metal-to-metal contact, riding entirely on bushings for enhanced durability. Some models support up to 150,000 lbs., making them among the toughest on the market.
Optional Accessories:
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344 Rubber Bushing
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344A Polyurethane Bushing
Selecting the Right Equipment:
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Determine gross trailer weight (GVWR) of towed trailers
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Determine maximum tongue weight
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Add a margin of safety based on operating conditions
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Browse the Premier product catalog accordingly
For questions, please call 1 (800) 374-6488 or chat with us online!