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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.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello, everybody. This is Jeff at etrailer.com. Today, we're gonna take a look at this 72 inch long by three inch wide steel piano hinge. Now, this hinge will provide sturdy, continuous support along the length of your cabinet, your door, or your panel. This is great for oversized doors, trailer doors, entrance doors. And will provide more support than multiple small hinges.
It is a continuous design, so it does reduce stress on the hinge when used with heavier doors. Just want to zoom in and show you this does rotate 270 degrees for full opening and closing motion. You can see right now this will rotate. You can see if we bring it all the way up, 180 degrees this way. And I can get this lifted up, you can see that it'll still go back about 90 degrees this way.
So, the 90 and the 180 will get you a total of 270 degree rotation. This is a durable steel construction. Has a nice unplated mill finish. This is a weld-on or bolt on installation. Now, if you do bolt it on, it will require drilling holes into the hinge.
And this hinge can be cut to your specific size for your application. This part is made in the USA. Just wanna zoom back out. We're gonna give you the length on this. If we take our tape measure and go from one end, all the way to the other end is right at 72 inches or six feet in length.
The open width, zoom back in. Open width, again, let me see if I can raise this up. You can see is gonna be when this is totally in the open position. So, if we can get a ruler on that, we can see it's gonna be right at three inches, our open width. The knuckle length, each one of these sections here is a knuckle. So, the measurement on one of those knuckles is gonna be right at two inches. And then the pin diameter, this is a very large hinge so the pin, the solid pin that goes through these knuckles to hold these two pieces together, the diameter on that pin is 5/8 of an inch. But that should do it for the review on this 72 inch long by three inch wide steel piano hinge..
Ratings & Reviews
Jim
5/23/2026
These hinges are working great on our cargo trailer ramp filler flaps when moving our BBQ equipment gor the Fire Department events. They are uch better than the OEM hinges that they replaced.
Brandon
12/11/2025
Worked great for my purpose, drove the fork truck up the ramp several times for loading and still working good.
Brooke M.
6/6/2025
Looks fantastic, Jeff! Do you install these for customers or is this on your own personal trailer?
Gwendolyn Y.
1/29/2025
That staircase looks awesome Russ. It looks like you may be doing a big reno project?
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.
1/22/2026
Gwendolyn Y.
1/27/2026
Info for this part was:
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Edmund R.
9/4/2026
Working as intended