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  1. Trailer Ramp Springs
  2. M-3 and Associates
  3. Dual Ramp Spring
  4. Conventional
  5. 96 Inch Wide Doors
  6. 185 lb Capacity
Conventional Ramp Door Spring for 8' Wide Enclosed Trailer - Dual Spring - 185-lb Capacity

Conventional Ramp Door Spring for 8' Wide Enclosed Trailer - Dual Spring - 185-lb Capacity

Item # M394FR
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Our Price: $331.03
Trailer Ramp Springs
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Shipping Weight: 35 lbs
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Replace your old trailer door spring with this heavy-duty system. This dual-spring setup lets you easily open and close the ramp door on your enclosed trailer and eliminates the risk of freefalling. Fits 67-3/4" to 95" wide trailer doors. Lowest Prices for the best trailer ramp springs from M-3 and Associates. Conventional Ramp Door Spring for 8' Wide Enclosed Trailer - Dual Spring - 185-lb Capacity part number M394FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (213)
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  • Videos (1)
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  • Why etrailer?

M-3 and Associates Trailer Ramp Springs - M394FR

  • Dual Ramp Spring
  • Conventional
  • 96 Inch Wide Doors
  • 185 lb Capacity
  • 94 Inch Wide Spring
  • M-3 and Associates
  • Steel

Replace your old trailer door spring with this heavy-duty system. This dual-spring setup lets you easily open and close the ramp door on your enclosed trailer and eliminates the risk of freefalling. Fits 67-3/4" to 95" wide trailer doors.


Features:

  • Ramp door spring lets you easily lift and lower the door on your enclosed trailer without risk of injury
    • Helps to take on the weight of your trailer door so you don't have to
  • Dual springs eliminate the risk of the ramp door collapsing and causing damage or injury
    • If one cable falters, the other spring will prevent the trailer door from freefalling
  • Spring reduces wear and helps prevent damage to door hinges
  • System can be modified to fit your specific application
    • Slide the bracket and cable drum down and cut the shaft to a shorter length
  • Orange safety covers install on top of the bolt heads to prevent any unwanted adjustments
  • Sturdy steel construction
  • Made in the USA


Specs:

  • Application: 67-3/4" to 95-1/2" wide trailer door
  • Dimensions: 95-1/2" wide x 4-3/4" tall
  • Spring capacity: 185 lbs
  • Cable length: 150"
  • 1-Year limited warranty


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.



9500469 M-3 Enclosed Trailer Ramp Conventional Springs - Dual Spring - 185 lbs - 94"

CB185D94S





Video of Conventional Ramp Door Spring for 8' Wide Enclosed Trailer - Dual Spring - 185-lb Capacity

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of M-3 and Associates Enclosed Trailer Parts - Ramp Door Spring - M394FR

Jeff: Hello everybody, this is Jeff at etrailer.com. Today, we're going to take a look at this conventional dual spring ramp door spring for up to an eight foot wide enclosed trailer. And this has 185 pound spring capacity. Now this part will replace your old trailer door spring with this nice heavy duty conventional ramp door spring. This is a dual spring setup, so it will let you easily lift and lower the door on your enclosed trailer without the risk of injury. It's designed to help take on the weight of your trailer door so that you don't have to.

And the dual springs will eliminate the risk of the ramp door collapsing and causing damage or injury because if one cable fails, the other spring will still prevent the trailer door from free-falling.Now this spring does reduce wear, helps prevent damage to door hinges on your trailer. And the spring is designed to be mounted one way for proper operation, and the way to tell which way to install it is when you go to install the spring, the cable drums, that's the drums right here on each end, they are stamped right and left. There's a little R and L on them, but the other nice thing is they spray paint a color on there, so you can tell just by looking real quick, the black color will mean right, and over here if you look, the left will be a red. So that will tell you this is left, and that one is right. And when you go to install this the right side, this side here will mount onto the curb side of the trailer.

And then the left side will mount onto the road side of the trailer.Also, the spring system can be modified to fit your specific application. It can be reduced in length if you have a narrower door and you want to reduce it, you can do that. You just basically slide the spring and that cable drum down, and then cut the remaining shaft off to a shorter length. So basically just to show you what you can do as you loosen these bolts there, slide that spring all the way that way, or you can put it wherever you need it, if you only need it this far, you can stop it there, and then just cut off what's left.But I want to give you the measurements of the minimum all the way up to the largest. So if we put this with the bearing, so that would be as far as it'd go.

So this would be the minimum width. So from this end to this end is going to be 67 and three-fourths inches. And the widest part would be if we move this all the way out, like we had it, to the very end, and then just tighten it down, tighten it down here. From this end all the way to that end would be 95 and a half inches. So basically the spring application would fit either a 67 and three-quarter inch, all the way up to a 95 and a half inch wide trailer door.

Does include all everything that's here on the table, the spring itself, the two mounting brackets with the hardware for installation, 150 inches of one-eighth inch diameter cable, and the hardware for the cable, and the set screw covers.Now this is a sturdy steel construction, it is made in the USA. Specs, again, the overall length from at this end to that end is 95 and a half inches. The diameter, the drum will be the widest diameter, so that's going to be four and three-quarter inch diameter. Spring capacity, we mentioned is 185 pounds. And just an installation warning, when you go to install this it is recommended that only individuals who have experience winding these torsion springs should install the product because when you go to loosen this and then wind the spring, you get a lot of tension built up, so it gets very dangerous. So if you don't have experience, we do recommend that you contact a local garage door company to help you install this system. But that should do it for the review on the conventional dual spring ramp door spring for up to an eight foot wide enclosed trailer. And this has 185 pounds spring capacity.


Customer Reviews

Conventional Ramp Door Spring for 8' Wide Enclosed Trailer - Dual Spring - 185-lb Capacity - M394FR

Average Customer Rating:  4.8 out of 5 stars   (213 Customer Reviews)

Replace your old trailer door spring with this heavy-duty system. This dual-spring setup lets you easily open and close the ramp door on your enclosed trailer and eliminates the risk of freefalling. Fits 67-3/4" to 95" wide trailer doors.

by:

Everything worked out great. Installed on a snowmobile trailer. The door originally only had a spring system on the bottom of the door. It took 2 people to close. After installing the M394FR it is a 1 arm operation. Highly recommend this product



by:

took awhile to get no fault of e-tailer I made a change with no problem,look forward to doing business in the future



by:

Easy to install, works great1



by:

Rebecca was a great big help. I told her what I was looking for, she looked up the item which was in stock. Was shipped out that same day. Received on the day that was given.
I would highly recommend this company.



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Item was perfect. Fast shipper A+



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by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


I have a home repair buisness and repair and install garage doors so it was a great benifit in intalling this ramp door spring. The quality of these are right up there with whats on your garage door just lighter duty springs. Be sure to weigh your door to get the correct springs. Customer service was beyond great, thank you to all reps.



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


I bought this to retrofit an enclosed trailer that was originally built with exterior springs.
This is a major improvement over the other style and money well spent. Everything went smoothly according to the instructions. I was good at 38.
My door is now a "one hand wonder".



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


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.....



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


I think you sent me wrong side said curb side I am using it in front of trailer seems to be back word but with some fabricating maybe I can make it work


Comments
This spring does fit on the passenger side of the trailer if you were facing the back of the trailer. All of our single, conventional springs would be the same. We also carry dual springs that would install on both sides.
-- Etrailer Expert Jenny N - 02/19/2022

by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


This unit looks real nice going to install it soon arrived in good time considering it had to ship to Alberta Canada the price is decent the tracking was perfect thanks sure are easy to deal with



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


First, shipping was really fast. After I ordered I received a email saying my order had already shipped. I ordered on a Tuesday and was able to install my equipment during the weekend. I have a smaller 6 x 10 trailer and I only utilized 1 torsion spring which gave me a back up spring for reserve. After installing the unit with new tension cables my ramp door works smooth and I’m really happy to have my trailer back in service again. etrailer understands the importance of getting customers product out as soon as possible. I thank you for your professionalism and will recommend your company in the future.



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


Great price and fast shipping. Packaged well and has everything you need besides the wrenches rods to wind spring. Very easy to install. Since I had been brackets already it took me about 45 minutes including taking the old one off. And I already had the rods to wind spring up which is a must. Thanks.



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


Works very well,I was worried because I had to cut down the length ,had to take off one spring because of how short I had to make it.But I am very pleased and the door lifts great.



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


Easy to install, makes opening and closing the ramp door a breeze.



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


Already pre-assembled for the most part....I like the instruction method for setting spring tension....everything seems to be working as it should



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


excellent service. delivery was on time and very efficient. will definitely do business again.



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


Fast shipping, good people too do business with, just give them a a call they will help anyway they can thanks for everything



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


Worked well, cut down the bar to fit our trailer needs and bolted right up. Right side pulley was bent, (Probably from Shipping). Working with them for a replacement. Just took the pulley off the old to get the trailer back on the road. Installed quickly with 2 guys and everything was as described when purchased.



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


The part I initially ordered got back ordered. My sales representative kindly recommended an upgraded alternative at the same price. Shipping was quick and the new part was easy to install. Five stars all the way!



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


This system has worked flawless for a year would recommend it to anyone needing one



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


I really appreciate your attention and courtesy.
Very professional.
I really recommend this company 100%



by:

Review from a similar M3 Ramp Springs in Trailer Ramp Springs


Installed like I new what I was doing why didn’t I put this on years ago? It works great


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Ask the Experts about this M-3 and Associates Trailer Ramp Springs



  • Is Trailer Ramp Spring Adjustable in Tension
    The spring capacity of the torsion style ramps springs like the part # M394FR that you mentioned is how much lifting strength it is capable of if adjusted for it. This spring has a 185 lb capacity but could have a lower tension used if that's too much for the door. Since we recommend having a pro with experience winding garage door springs install these they'd be able to set the best amount of tension to use.
    view full answer...
  • Which Way Should the Cable Wind on the Hub?
    The cable for the Conventional Ramp Door Spring # M394FR needs to always come off the bottom of the drum. If it comes over the top, the system is installed backwards. It should be noted that 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.
    view full answer...
  • Will the Conventional Ramp Door Spring Fit My Door with Brackets 81 Inches Apart
    Yes. The Conventional Ramp Door Spring for 8' Wide Enclosed Trailer # M394FR fits 67-3/4" to 95" wide trailer doors. Your door with the brackets 81" apart falls in this range, so this spring will work well for you.
    view full answer...
  • How Do the Cables Get Mounted To the Doors On the Conventional Ramp Door Springs
    The cables with the Conventional Ramp Door Springs like part # M394FR are attached to the door via anchor brackets which are included with the kit. I have attached below the excerpt from the install instructions below which goes over the cable attachment. I have also pointed them out in a photo as well. "With the door in the down position, attach the cables to the anchor brackets mounted on the floor of the door by inserting the clevis pin through the anchor bracket and the round thimble...
    view full answer...
    Image 1 for
  • Height of Mounting Brackets of Conventional Ramp Door Spring for 8' Wide Enclosed Trailer M394FR
    I was able to get the height for you of the mounting brackets for the Conventional Ramp Door Spring for 8' Wide Enclosed Trailer # M394FR. Overall, the height is 6-1/4 inches, and from the top of the opening where the spring's shaft goes through to the top of the bracket measures 3-7/8 inches. You won't need quite that much space above the drum, but will want at least 2 to 2-1/2 inches to be able to mount the bracket. I have added a link below to a video review for you to check out as...
    view full answer...

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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 Mike S
Written by:
Mike S

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