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  1. Trailer Door Hinges
  2. Marlboro
  3. Piano Hinge
  4. Steel
  5. 72 Inch Long
  6. Greaseable Pin
3" Wide Continuous Hinge - 6' Long - 3/8" Pin Diameter - Steel
Marlboro

3" Wide Continuous Hinge - 6' Long - 3/8" Pin Diameter - Steel

Part Number: MA75VR
In Stock
$97.27
Trailer Door Hinges
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Great for your heavy-duty utility trailer, this steel piano hinge provides uninterrupted support for your door or tailgate. The hinge rotates 270 degrees and contains no pre-drilled holes, so it can be welded or drilled to match your setup. Great Prices for the best trailer door hinges from Marlboro. 3" Wide Continuous Hinge - 6' Long - 3/8" Pin Diameter - Steel part number MA75VR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (375)
  • Q & A (0)
  • Videos (1)
  • Photos

Marlboro Trailer Door Hinges - MA75VR

  • Piano Hinge
  • Steel
  • 72 Inch Long
  • Greaseable Pin
  • 3 Inch Wide
  • Weld-On
  • Marlboro

Great for your heavy-duty utility trailer, this steel piano hinge provides uninterrupted support for your door or tailgate. The hinge rotates 270 degrees and contains no pre-drilled holes, so it can be welded or drilled to match your setup.


Features:

  • Hinge provides sturdy, continuous support for the door or tailgate on your utility trailer
  • Continuous design offers more support than smaller, individual hinges and reduces stress on heavier doors
  • 270-Degree rotation for full opening and closing motion
  • Weld-on or bolt-on installation
    • Bolt-on installation requires drilling holes into hinge
  • Steel construction is durable and long-lasting
  • Made in the USA


Specs:

  • Dimensions: 6' long x 3" wide
    • Each side of the foldable hinge measures 1-1/2" wide
  • Individual knuckle length: 2"
  • Pin diameter: 3/8" (9.5 mm)


Marlboro S12004872 Continuous Piano Hinge Diagram



S12004872 Marlboro Piano Hinge - Door Hinge - Steel - 6' Long x 3" Wide - 9.5-mm Pin





Video of 3" Wide Continuous Hinge - 6' Long - 3/8" Pin Diameter - Steel
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Feature Breakdown: 3" Wide Continuous Hinge

Hello, everybody, this is Jeff at etrailer.com. Today we're taking a look at this 72-inch-long, three-inch-wide steel piano hinge. Now this hinge'll provide sturdy, continuous support along the length of your cabinet, your door, or your panel. These are great for oversize doors, trailer doors, and entrance doors. These will provide more support than multiple small hinges. This is a nice continuous design, so it will reduce the stress on the hinge when it's used with heavier doors, and this does rotate 270 degrees.

Just wanna zoom in to show you that. If you see here, we can rotate it back about 90 degrees that way, and then all the way 180 degrees this way, so total of about 270 degree rotation for full opening and closing motion. This is a nice durable steel construction. has an unplated mill finish, and this is a weld-on or bolt-on installation. How if you do bolt it on, it does require drilling holes into the hinge for that.

This part as made in the USA. Do a few dimensions on this. First, do the overall length. So we'll measure one end all the way to the other end with the tape measure, right at 72 inches or six feet, overall length. The width on it, and when we measure the width, it's gonna be the widest part, so when it's both pretty much open, the open width.

Let's zoom in on this, so we get a better view. So if we open it all the way you can see it's gonna be right at about three inches wide and the knuckle length, each one of these sections here is called a knuckle, so the length on the knuckle is going to be right at two inches. And then the pin that goes through this hinge, the diameter on that pin is gonna be 3/8 of an inch. So it's a very durable, heavy duty hinge you can see. But that should do it for the review on the 72-inch-long, three-inch-wide steel piano hinge..

Customer Satisfaction Score:

Ratings & Reviews

4.8

375 reviews
5 Stars
(332)
4 Stars
(27)
3 Stars
(5)
2 Stars
(2)
1 Star
(9)
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by:
Very heavy duty I drilled and bolted hinge on works great should last forever
by:
well made and exactly what I asked for.

Very fast shipping. Thank you
by:
Great product, arrived packaged well and undamaged.
Brian profile picture

Brian

1/22/2026

Works great, like the day I installed it. I use it for a ramp extension on my enclosed trailer and roll a 900 LB toolbox with hard caster wheels and a 950 LB motorcycle over it with no issues.

Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

1/22/2026

@Brian What kind of motorcycle do you have, Brian?
Brian profile picture

Brian

1/27/2026

@GwendolynY 2024 Harley Road Glide and 2025 Indian Roadmaster. Indian is heavier.
Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

1/27/2026

@Brian Ah! Those are some really nice cruising bikes.
by:
it was perfect and I'll be doing again thank you
by:
Just what i was hoping for .
by:
Always a pleasure to do buisness
Mark profile picture

Mark

8/6/2025

Worth every Penney. ATVs and Trikes and holding up very well.

by:
Just what I was looking for. Excellent service and fast shipping. Thank You
Bruce profile picture

Bruce

5/12/2023

It has worked out great

by:
Fast Shipping, great products!
by:
It was just a little too thick for the door to close properly and it came bent.
by:
The hinge was perfect and was exactly what I needed. The customer service was second to none! They upgraded my regular ground shipping to 3 to 5 day at no additional charge. I wish the other companies I do business with had the customer service like etrailer.com does.
by:
Great product. Very solid construction and fast service. Loved the fact I could drill my own screw holes. If I ever need another large hinge I will be coming back to etrailer first.
by:
Hinge was installed as a hinge for a playground gate. Has worked well!!! Has beat all the other hinges that were tried. As the Kids slam the gate and play on it.
Thanks George
by:
Heavy duty & exactly what we needed! Thanks!
by:
Heavy duty hinge!
by:
Heavy duty and fast shipping
by:
Great Service! Didn't have quite the dimension I needed for a one-piece replacement but gave good advice in using to 6' hinges in order to make my 88 1/2" full length hinge. Thank you
by:
Heavy duty more than I expected which was perfect
by:
GREAT QUALITY FAST SHIPPING
by:
Quick delivery and good customer service!
by:
would have ben 5 stars but had a heck of a time gettin the grease off so it caould be painted .
by:
As advertised
by:
Quick and easy order process. Item received exactly as ordered.
by:
I like it ,it" better and stronger than the factory hinge.
by:
Excellent Quality and very good service> Thank You Lawrence I. Pratt
by:
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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Wilson B
Updated by:
Wilson B
Employee Eric H
Updated by:
Eric H
Employee Mike S
Written by:
Mike S

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