Conventional Ramp Door Spring for 7' Wide Enclosed Trailer - Dual Spring - 120-lb Capacity

See what our Experts say about this M-3 and Associates Trailer Ramp Springs

• Choosing/Sizing the Correct Trailer Ramp Spring for a Ramp Door
  When selecting ramp springs for a trailer ramp, you will want to know the diameter of your hinge pin and how much space you have available in the hinge. A typical horse trailer or utility trailer ramp uses 3/4 inch hinge pins and would require two ramp springs with a 3/4 inch inner diameter. The ramp springs that we carry fit 1-1/2 inch diameter hinge pins and are designed for use with heavy-duty steel ramps like those on equipment trailers or car haulers. The spring slips over the hinge...
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• What Size Ramp Door Spring Do I Need for My Trailer?
  Hello Vance, Awesome job on building your trailer! I am happy to find the right spring for you, but in order to do I am going to need quite a few measurements. I have included a picture of what measurements I need, can you please respond back with the measurement for each letter?
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• Weight of Enclosed Trailer Ramp Spring ERS120D81
  Though I can't give you a reason why, I can tell you that the Enclosed Trailer Ramp Spring # ERS120D81 has a shipping weight of 27 lbs, which is going to be very close to what the actual product weight is. It is 81 inches wide with a 120 lb capacity and has 2 springs on the assembly. I've added a link to a video review of this product for you to take a look at as well.
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• How is M3 Enclosed Trailer Ramp Spring ERS120D81 Measured
  The M3 Enclosed Trailer Ramp Spring # ERS120D81 is 81-inches wide as measured tip to tip; this is noted in the linked video at the :45-second mark. The installation instructions for this product are recommended for individuals who have experience winding torsion springs. If you have not worked with a torsion spring system before, we recommend contacting a local garage door company to install this system.
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• Is There A Lift-Assist Available For An Enclosed Trailer Ramp Door
  Hey Dennis, To my knowledge there isn't a lift-assist for an enclosed trailer door so the only option we can offer would be to swap out the door spring from a single # M374FR to a dual spring system like # ERS120D81 to give you a bit more balance and strength holding the door. There are other weight capacities available as well to choose from so the # ERS120D81 might not be the correct fit depending on how heavy your door is because if we go too heavy your door will try to lift up on its own.
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• Availability of Bushing/Bearing for M-3 Dual Ramp Springs
  The Replacement M-3 Universal Mounting Kit for Conventional Ramp Door Springs # M389FR is the only way to get the bushings/bearings. Unfortunately, they are not sold individually. This comes with the mounting bracket, bearing, and football bearing adapter.
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• Recommended Ramp Torsion Spring for 82-Inch Wide Enclosed Trailer
  The best size of trailer ramp spring for your trailer is going to be the 81-inch dual torsion spring # ERS120D81. This dimension is the end-to-end length as you'll see in the video. This unit consists of two torsion springs on one shaft and it has a capacity of 120-lbs. This spring can be bolted or welded to the trailer header and it comes complete with dual cables and hardware. Please note that this spring is intended to be installed by someone who has experience with torsions springs....
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• Wider Trailer Ramp Spring Recommendation for Toy Hauler
  The dimensions you listed for your ramp spring door mounting brackets are pretty wide but the Enclosed Trailer Ramp Spring # ERS120D81 would be a great options as it's overall width is 81 inches and it can be cut to your specific length.
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• Recommended Dual Spring Trailer Ramp Assembly For 2000 Haulmark Trailer
  We don't have the replacement spring, but we do have the Enclosed Trailer Ramp Spring - Dual Spring, 81" Wide # ERS120D81 to replace the entire assembly. This will give you the spring, the drum, the bar, the brackets and the cable. This unit has a spring capacity of 120 lbs. This product is designed with dual cables so in the event that one is accidentally cut, the ramp door will not free fall to the ground.
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• Car Hauler Ramp Spring Options to Help with Heavy Ramp
  I don't know how wide your rear door is but we have an 8 foot wide rear door we have the 120 lb kit part # M354FR or for a 7 foot wide option we have the part # ERS120D81. These are for enclosed style trailers. If you have a open trailer with side rails you could instead use the Gorilla Lift part # GL1 to help with the ramp.
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• Adjustability of Enclosed Trailer Ramp Spring
  I spoke with my contact at M-3 who said the ramp spring shaft can be cut down to a maximum of 62 inches and you would still have room to wind the springs. The shaft is made of steel tubing so the proper saw or power saw blade would cut through it. Be sure to get a straight cut and file down the rough spots. The installation instructions for this product are recommended for individuals who have experience winding torsion springs. If you have not worked with a torsion spring system before,...
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• Measuring to Pick Out Replacement Ramp Spring for Enclosed Trailer
  You'd want to measure the width of your door opening/ramp and then go with the ramp spring that fits just to the inside of that. The part # ERS120D81 you mentioned is 81 inches wide.
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• Ramp/Door Spring Recommendation for 2011 Homesteader Enclosed Trailer
  Sounds like you are looking for a rear door/ramp spring kit for your trailer. For that we have the Enclosed Trailer Ramp Spring # ERS120D81 which would work well. This should work well for you but I also attached a picture of it's dimensions for you to compare to your trailer.
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• Replacement Ramp Door Spring Assembly for a Cargo Trailer Ramp Door
  The spring assemblies are pretty universal and can be cut to length depending on what size you need. The Conventional Ramp Door Spring for 7' Wide Enclosed Trailer - Dual Spring - 120-lb Capacity item # ERS120D81 will work for your Carry-On 6X12CGR7K. You will have to shorten the bar to get it down to the 66" wide you require. If you don't have experience working with torsion springs I recommend you contact a garage door installer. Each spring has to be wound a quarter turn at a time 30-40...
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• Recommended Ramp Door Spring for 8 Foot Wide Enclosed Trailer
  You'll want to choose a spring that's the same width as the ramp door. I'm afraid that the # ERS120D81 you mentioned would be too narrow. You'd want to use #CB250D96SHD, which is 96 inches wide. You'll have to take about 2 inches off each side of the pipe, but this would be your best bet. We HIGHLY recommend having the spring installed by somebody who's experienced with torsion springs. Tensioning the spring is a dangerous job that shouldn't be undertaken by somebody who's not familiar...
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• Replacement Left Hand Drum for M-3 Dual Ramp Springs
  We actually carry the replacement left hand drum # DRUM-M-3LH which is for M-3 Dual Ramp Springs # ERS120D81 and # ERS160D96. Since this can be a tricky installation we do recommend that only someone with experience (like a local garage door company) do the install. If you have a different spring that we don't carry then you'll want to reach out to that manufacturer for replacement parts as these aren't necessarily universal pieces.
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• Cable Length Recommendation for Having 115 Inches from Ramp to Spring for Trailer Ramp Spring
  Since you need 115 inches of cable between the spring and the ramp the size cable I would recommend is the 150 inch cable part # CAB1-8CB150 and you'd be set.
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• What are the Dimensions of the Enclosed Trailer Ramp Spring ERS120D81
  You did not mention what specific dimensions you were looking for, so I took several. I then produced a pictured showing the measurements. The blue arrow indicates the center to center distance between the mounting holes. The green arrow is center to center between the drums. The yellow is the space between the spring assemblies. Purple is the length of a spring assembly. The drum is 2-1/2 inches wide, 4-3/8 inches in diameter. THe spring is 2-3/8 inches in diameter (not under tension)....
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• Available Trailer Ramp Spring with a Measurement of 70 Inches Between Cable Rollers
  I found a trailer ramp spring that will work for you application. The Enclosed Trailer Ramp Spring, # ERS120D81, that has a measurement of 71-5/8 inches from cable roller to cable roller. The overall length is 81 inches long. The attached picture will give you the full dimensions for this spring.
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• Overhead Clearance Necessary to Install Enclosed Trailer Ramp Spring ERS120D81
  According to our friends at Redneck Trailer Supply, the reel on the end of the Enclosed Trailer Ramp Spring, # ERS120D81 measures 5 inches in diameter, so you would need a bit more than 5 inches of room on the header above the rear door of your snowmobile trailer.
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• Recommended Size of Ramp Spring for 7 x 16-Foot Enclosed Trailer
  Since a 7-foot trailer width is 84-inches the nearest ramp spring size will be the 81-inch size like # ERS120D81. The linked review video will give you details on this item. All ramps springs are shown on the linked page. The installation instructions for this product are recommended for individuals who have experience winding torsion springs. If you have not worked with a torsion spring system before, we recommend contacting a local garage door company to install this system.
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• Could ERS120D81 Ramp Door Spring Be Cut Down for Use on a 6 ft Wide Enclosed Trailer
  The whole assembly (81 inches wide) can be trimmed down as short as 62 inches long, so it would work perfectly at 72 inches.. The spring has a capacity of 120 lbs. We strongly recommend having a professional overhead door technician install the spring for you. The spring needs to be tensioned, and if it lets loose accidentally it would fling tools at high enough velocity to easily kill someone so it isn't a good job for a do-it-yourselfer.
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• Replacement 120 Cables for Trailer Ramp Door
  I believe you're looking for the 150" Replacement Cables for Conventional Ramp Door Spring # CAB1-8CB150 that comes with the Kit # ERS120D81 rated for 120 lbs. If you're looking for something else please let me know and I'll be more than happy to help you look into it!
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• Choosing the Correct Ramp Springs for Enclosed Cargo Trailer
  The springs you mentioned are designed for use on ramps that you'd typically see on a heavy equipment trailer. They're way too stiff to be used on a trailer door. The correct springs for your application will depend on what you are using the ramp for and the width of the trailer. The Ramp Springs you are asking about are best used for heavyweight steel doors on a horse trailer or for an enclosed car trailer. If one man can lift the ramp, a more lightweight option like a torsion spring...
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