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Trailer Door Hinges - Redline

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3/4" Diameter Greasable Hinge Pin, 4" Long with 1" Base - Redline
Redline Trailer Door Hinges

(174 reviews)


Code: HP344G

Our Price: $17.05
In Stock
  • Trailer Door Hinges
  • Hinge Pin
  • Build Your Own Hinge
  • Greasable Pin
  • 4 Inch Long
  • 3/4 Inch Diameter
  • Weld-On
  • Redline


Hinge pins are welded to either the outer frame or the gate/door and then inserted into the welded hinge pin nipples to create custom, heavy-duty hinges. Greasable pins feature a grease zerk for lubrication.

More Information >



1/2" Diameter Hinge Pin Nipple, 2-1/4" Long - Redline
Redline Trailer Door Hinges

(7 reviews)


Code: HPN214

Our Price: $5.34
In Stock
  • Trailer Door Hinges
  • Hinge Pin Nipple
  • Build Your Own Hinge
  • 2-1/4 Inch Long
  • 1/2 Inch Diameter
  • Weld-On
  • Redline


Hinge pin nipples are aligned and welded to either the outer frame or the gate/door so that the hinge pin can be inserted to create a custom, heavy-duty hinge.

More Information >



1/2" Diameter Hinge Pin, 4-1/2" Long - Redline
Redline Trailer Door Hinges

(8 reviews)


Code: HP412

Our Price: $6.74
In Stock
  • Trailer Door Hinges
  • Hinge Pin
  • Build Your Own Hinge
  • 4-1/2 Inch Long
  • 1/2 Inch Diameter
  • Redline


Hinge pins are welded to either the outer frame or the gate/door and then inserted into the welded hinge pin nipples to create custom, heavy-duty hinges.

More Information >



3/4" Diameter Hinge Pin Nipple, 2" Long - Redline
Redline Trailer Door Hinges

(25 reviews)


Code: HPN342

Our Price: $5.87
In Stock
  • Trailer Door Hinges
  • Hinge Pin Nipple
  • Build Your Own Hinge
  • 2 Inch Long
  • 3/4 Inch Diameter
  • Weld-On
  • Redline


Hinge pin nipples are aligned and welded to either the outer frame or the gate/door so that the hinge pin can be inserted to create a custom, heavy-duty hinge.

More Information >



3/4" Diameter Hinge Pin Nipple, 2-1/4" Long - Redline
Redline Trailer Door Hinges

(25 reviews)


Code: HPN34214

Our Price: $5.41
In Stock
  • Trailer Door Hinges
  • Hinge Pin Nipple
  • Build Your Own Hinge
  • 2-1/2 Inch Long
  • 3/4 Inch Diameter
  • Weld-On
  • Redline


Hinge pin nipples are aligned and welded to either the outer frame or the gate/door so that the hinge pin can be inserted to create a custom, heavy-duty hinge.

More Information >


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1/2" Diameter Hinge Pin, 6-3/4" Long - Redline
Redline Trailer Door Hinges

(8 reviews)


Code: HP634

Our Price: $7.92
  • Trailer Door Hinges
  • Hinge Pin
  • Build Your Own Hinge
  • 6-3/4 Inch Long
  • 1/2 Inch Diameter
  • Redline


Hinge pin nipples are aligned and welded to either the outer frame or the gate/door so that the hinge pin can be inserted to create a custom, heavy-duty hinge.

More Information >



3/4" Diameter Greasable Hinge Pin, 4-1/2" Long - Redline
Redline Trailer Door Hinges

(174 reviews)


Code: HP34412G

Our Price: $13.10
In Stock
  • Trailer Door Hinges
  • Hinge Pin
  • Build Your Own Hinge
  • Greasable Pin
  • 4-1/2 Inch Long
  • 3/4 Inch Diameter
  • Weld-On
  • Redline


Hinge pins are welded to either the outer frame or the gate/door and then inserted into the welded hinge pin nipples to create custom, heavy-duty hinges. Greasable pins feature a grease zerk for lubrication.

More Information >



1/2" Diameter Greasable Hinge Pin, 4-3/4" Long with 3/4" Base - Redline
Redline Trailer Door Hinges

(174 reviews)


Code: HP12412G

Our Price: $11.97
  • Trailer Door Hinges
  • Hinge Pin
  • Build Your Own Hinge
  • Greasable Pin
  • 4-3/4 Inch Long
  • 1/2 Inch Diameter
  • Weld-On
  • Redline


Hinge pins are welded to either the outer frame or the gate/door and then inserted into the welded hinge pin nipples to create custom, heavy-duty hinges. Greasable pins feature a grease zerk for lubrication.

More Information >



1/2" Diameter Greasable Hinge Pin, 4-1/2" Long - Redline
Redline Trailer Door Hinges

(174 reviews)


Code: HP412G

Our Price: $12.29
  • Trailer Door Hinges
  • Hinge Pin
  • Build Your Own Hinge
  • Greasable Pin
  • 4-1/2 Inch Long
  • 1/2 Inch Diameter
  • Weld-On
  • Redline


Hinge pins are welded to either the outer frame or the gate/door and then inserted into the welded hinge pin nipples to create custom, heavy-duty hinges. Greasable pins feature a grease zerk for lubrication.

More Information >



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Redline Trailer Door Hinges: Reliable and Versatile

Redline trailer door hinges are a top choice for enthusiasts converting or upgrading trailers. Known for their reliability and versatility, these hinges are perfect for projects like adding a rear gate or replacing worn-out parts. They offer a snug fit and durable performance, making them a favorite among DIYers and professionals alike.

Redline hinges are ideal for custom projects, like converting a tilt trailer to one with a rear gate. They provide a secure fit and are easy to install, making them perfect for DIY enthusiasts looking to enhance their trailer's functionality.
Yes, Redline hinges are robust and can handle heavy-duty applications. They are designed to support substantial weight and provide a secure attachment, making them suitable for utility trailers and equipment haulers.
For a snug fit, some users recommend drilling and tapping holes for set screws. This ensures the hinge ends fit tightly around the pipe, providing a more secure installation. Grease fittings can also be added to prevent rust and ensure smooth operation.
Absolutely, Redline hinges are a great replacement for factory-installed hinges that may have failed. They offer a durable solution and can be paired with matching pins for a complete and reliable fix.
Redline hinges are praised for their excellent quality and performance. They are easy to order, arrive quickly, and fit perfectly, making them a go-to choice for trailer owners looking for reliable and efficient solutions.