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Replace your old trailer door spring with this heavy-duty, conventional ramp door spring. This single-spring setup lets you easily open and close the ramp door on your enclosed trailer. Fits 40" to 67" wide trailer doors.
Features:
Specs:
Warning: It is recommended that only individuals who have experience winding torsion springs install this product. If you have not worked with a torsion spring system before, we recommend contacting a local garage door company to install this system.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Jeff: Hello everybody. This is Jeff at etrailer.com. Today we're going to take a look at this conventional single spring ramp door spring for up to a six foot wide enclosed trailer. And it has an 80 pound spring capacity.Now this part will replace your old trailer door spring with this nice heavy duty conventional ramp door spring. This ramp door spring will let you easily lift and lower the door on your enclosed trailer without risk of injury. It is designed to help take on the weight of that trailer door so that you don't have to.
The spring reduces wear, helps prevent damage to the door hinges. And when you do install this the spring is designed to be mounted one way for proper operation. And the way you can tell that is you look at these cable drums, when installing this spring, these cable drums are marked, this is stamped R for right. This one is stamped L for left. And what you want to do is make sure that this right side here will mount on the curb side of the trailer, the left side drum it mounts on the road side of the trailer.Now besides being stamped with an R and an L, if you notice they do spray paint a color on here to help you.
The black is for the right and the red right here that they spray paint on there is for the left side, just helps you out visually.This spring system can also be modified to fit your specific application. You can slide the cable drum and all the brackets down and cut the shaft to a shorter length, if need be. The application will fit a 37 and a half inch to 67 and five eighths inch wide trailer door. So basically from this edge of the cable drum to this edge it's going to be the 67 and five eighths. If you loosen this cable drum and you need it shorter, you can go all the way in.
Now I do not have the mounting brackets installed but those would be one on each end here. But basically you go all the way in and tighten it down. And then your measurement from here to here is going to be the 37 and a half inches. So you can actually move this to whatever width door you have. Once you get it in the correct position, tighten it down, you can cut off the remaining tube that's not needed.Go ahead and slide this all the way back out.
Now this does include everything shown here on the table. It will include the mounting brackets, the hardware for the mounting brackets, the bearings. It includes 110 inches of one eighth inch diameter cable and the hardware for the cable. And it gives you also a set of screw covers.This is a nice sturdy steel construction. It is made in the USA. Specs again, the overall length if we put a ruler on it, from this end all the way to this end, is right at 67 and five eighths inches. The diameter, the widest part is the cable drums. So the diameter on that is four and three quarter inches. Spring capacity we mentioned is 80 pounds.Now, one thing I do want to warn you is that it is recommended that only individuals who have experienced winding torsion springs installed this product. Because when you go to wind this spring, there's a lot of tension involved and it could be dangerous. So if you've not worked with a torsion spring system before we do recommend contacting a local garage door company to help you install this spring.But that should do it for the review on this conventional single spring ramp door spring for up to a six foot wide enclosed trailer. And it has an 80 pound spring capacity.
Customer Satisfaction Score:
91% were satisfied with this product
9% of customers were not satisfied
Ratings & Reviews
perfect for the job. great price
Works great!!!!
It is great simple install works smoother than I imagined Thank you very much. Look forward to working with yall again
Great product!
Easy to install works batter than expected will bay again
Product is good and quality was as expected. Instructions were decent. Packaging was very poor. Product was dropped into oversized box with no packaging materials. Arrived with rod sticking out of the end of the box and a crack in the cable wheel. Wasn't worth the effort to return, so I used as-is.
Spring worked out great. Fit was exact and installing and adjusting as quick and easy.
I am happy with the purchase.
Works perfect for my enclose trailer.
Excellent service and fast shipping A++ ++++++++++++++×+××××××××
Awesome very simple to install. It’s what I was exactly looking for.
use it on my daily use trailer and everything is working great a year later , thank you.
Excellent product, easy to install, and my product arrived in good condition and arrived on time.
I definitely recommend etrailer.com
It’s actually for my shed I built for my motorcycle with a trailer style door!! It works great!!
Very nice people on the phone when I ordered my ramp door spring . I messed up when ordering and had to call back and reorderd the correct one . No hassle at all Return was easy I'm a happy hunter . Thanks
Easy to follow instructions. Works grea t.
Ashley E. is awesome!!!
She absolutely listened to all my questions and with the information I gave her she supplied me with what was applicable for my build.
So ordered this assembly , fast , friendly ( Kyle D ) assisted and was able to answer all questions about this product and the result was quality new door spring and assembly for my cargo trailer. Easy to follow step by step instructions. Would definitely recommend this upgrade.....
I added this to the front trailer door which never had a spring assist. It installed easy and works great on the 60" wide ramp door.
Very good quality fit exactly as I needed it to . Works perfect
John
6/11/2025
After a year of use on my trailer the rear door spring setup is still as good as it did when I first installed it
Awesome job, very easy to work with. Item as described. Transaction flawless and delivery supersonic
It has been one year since I purchased and installed this product and it has been working great since then. As well, the shipping was prompt.
Ken
12/11/2024
I use it many times per day and it is working perfectly.
Received it in a timely manner following the instructions it was very easy to install by myself very happy with the way it's operating
Worked well on my trailer
It's perfect! I found it easy to install with the right tools and instructions, and it works very well. My first order was damaged or lost in shipping, but Paula took care of it and sent me a replacement. I'm very happy with my purchase and their service.
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Info for this part was:
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Mark
12/31/2022
Still working as designed. Easy install.