1. Trailer Leaf Spring Suspension
  2. Universal Group
  3. Leaf Springs
  4. Springs
  5. Double Eye Springs
  6. 25-1/4 Inch Long
5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long

5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long

Item # SP-111275
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Trailer Leaf Spring Suspension
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Universal Group Double Eye Springs Trailer Leaf Spring Suspension - SP-111275
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Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 6,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter. Lowest Prices for the best trailer leaf spring suspension from Universal Group. 5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long part number SP-111275 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Universal Group Trailer Leaf Spring Suspension - SP-111275

  • Leaf Springs
  • Springs
  • Double Eye Springs
  • 25-1/4 Inch Long
  • 6000 lbs
  • Universal Group

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 6,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.


Features:

  • Leaf spring acts as part of your trailer's suspension system
    • Provides attachment point for your trailer's axle
  • Multiple leaves allow flexibility to absorb road shock
    • Allows for a smooth ride
    • Reduces wear and tear on trailer
    • Ensures level ride on bumpy and uneven surfaces
  • Sturdy steel construction
  • Nylon bushings included
  • Pre-mounted hangers or aftermarket hanger kit (sold separately) required for installation
    • Spring attaches to hanger mounted on trailer frame at one end
    • Other end connects to shackle straps suspended from hanger or equalizer


Specs:

  • Quantity: 1 leaf spring
  • Spring capacity: 3,000 lbs
  • Axle capacity: 6,000 lbs
  • Length from center of spring eye to center of spring eye: 25-1/4"
  • Spring width: 1-3/4"
  • Eye diameter with bushing: 9/16"
    • Eye diameter without bushing: 11/16"
  • Leaf thickness: 3/8"
  • Number of leaves: 5
  • Additional dimensions: see table


Double-Eye Spring

Part NumberABCD
SP-11127512-3/4"13-1/3"25-1/4"3-1/8"


Note: To ensure proper axle alignment and suspension performance, leaf springs should always be replaced in pairs.


Leaf springs are an integral part of your trailer suspension system. The leaf springs provide the attachment points for your trailer's axle, suspending it from the frame of your trailer. Each spring flexes to absorb road shock as you travel, allowing the axle to move somewhat independently of the rest of your trailer. This helps to reduce wear and tear on the trailer and also ensures a smooth ride.


Double-eye leaf springs attach to hangers that are welded onto your trailer. One end of this spring will attach directly to the hanger with a suspension bolt. The other end will attach to shackle straps that are suspended from a hanger. These straps allow the spring to move and pivot so that it can better compensate for uneven pavement. If you have a tandem- or triple-axle trailer, the shackle straps will be attached to the equalizer that connects multiple springs.


To mount this spring, you will need hangers, shackle straps, and suspension bolts. If you are simply replacing a spring, you may still have hangers welded onto your trailer. You should, however, replace your shackle straps because they are usually the first component to wear out. You may choose to replace old suspension bolts as well. It is recommended that you replace the other leaf spring in your setup at the same time. Because springs can sag and elongate as they wear, this new spring may not exactly match the old one, and the alignment of your trailer could be affected.


If you are fabricating a trailer, you will need to purchase a hanger kit for installation. To determine the type of hanger kit that you need, you must know the specific type of leaf spring that you have, as well as your axle capacity. Depending on the hanger kits used with them, springs can be configured to work for single-, tandem- or triple-axle applications. Hangers and other suspension components can also be purchased separately if there isn't a complete kit that works for your setup.



UNA-111 Universal Group Double Eye Trailer Leaf Spring - 5 Leaf - 3,000-lb Capacity

Replaces PR5






Customer Reviews

5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long - SP-111275

Average Customer Rating:  4.9 out of 5 stars   (212 Customer Reviews)

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 6,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.

- SP-111275
by:

The 3000 lb. 5 leaf springs provide a smoother compression than the the factory 4 leaf springs. 500384



- SP-111275
by: 11/15/2020

Have not had a problem. And easy to ins tall 912322



- SP-111275
by: 10/22/2020

902330



- SP-111275
by:

The leaf springs showed up even one day faster than originally expected. This was very helpful since I was stuck with the broken one. After the order, I also got a follow up phone call on Sunday afternoon to make sure everything was on track. Great service! Thank you. 902181



- SP-111275
by: 10/07/2020

898237



- SP-111275
by:

Awesome! Fat exceed the forest river oem springs 884322



- SP-111275
by: 09/06/2020

Trailer rides and pulls great!Because 875035



- SP-111275
by:

Exact fit have not broken so good so f ar 867710



- SP-111275
by:

I got axles and leaf springs from etrailer, they were very helpful and the product is exceptional. I would recommend their technical department and sales department very knowledgeable, 844775



- SP-111275
by:

Shipping was prompt and exactly what I needed 830803



- SP-111275
by:

Product was just want I needed replaced 98 4 leaf spring with 5 leaf raised trailer by 2 in every thing worked out great did both sides 829855



- SP-111275
by:

THE 5 LEAF SPRINGS WERE FINE, BUT THE CLAMPS SENT THAT WERE SUPPOSSED TO FIT THEM DIDN'T. WE HAD TO GO BUY OTHER CLAMPS AND WILL BE RETURNING THESE. 828775



- SP-111275
by:

The springs appear to be well made and fit my trailer perfectly. I upgraded from 5200 lb. 4-leaf springs to to these springs. I’m sure they’ll be more durable. Replacing the nylon bushings with brass bushings was very easy. 811782



- SP-111275
by:

Grate Service.The springs were here when thy said. 811743



- SP-111275
by:

Great springs. Bolted right in no issues. I replaced these from a 4 leaf set to these on 6000 lb axles. 805590



- SP-111275
by:

Springs fit perfect and came on time. I have been satisfied with all products bought from E-trailer. 794850



- SP-111275
by:

I received everything I ordered promptly and accurately. This is a good company to deal with. Thanks 794714



- SP-111275
by:

i had a 7x14 trailer with (4 leaf ) 1750# rated leaf springs that went almost flat when i drove my polaris ranger crew onto my trailer... so i went up a load size on the tires to a D load rating and then i installed a ( 5 leaf ) leaf spring at 3000# rating and the trailer with the unit on it looks and rides a whole lot nicer now, there is actually some space between the top of the tire and the fender well.. WOW ... thanks etrailer for the recommendation.. 776558



- SP-111275
by:

Excellent help upgrading leaf springs, to be installed this weekend, fast delivery 773443



- SP-111275
by:

Super happy with etrailer and their service and support. I could not be happier. Very helpful in finding the right product and everything bolted up like factory. Thanks so much 773285



- SP-111275
by:

Product fitted perfectly and was as good as the description. Price also very reasonable . Totally happy customer . 734692



- SP-111275
by:

I have not put them on my camper yet so I cannot give a review on how they work, but I am VERY impressed with the easy of ordering and the time it took to get the parts. Also the update on shipping and when I would get the parts. I have already used E-TRAILER again and will use them in the future for all my camper needs. I will update you on the parts when I put them on. Thank You 727993



- SP-111275
by:

Shipped within hours of sending order. Delivered on time, good quality springs, free shipping. What's not to like!!! 726314



- SP-111275
by:

As usual, Etrailer shipped extremely fast and always has great customer service. I purchased this spring to carry along in my RV as a spare, just like a spare tire serves. It seems to be a common problem now with some RVs breaking springs so I thought it best to buy one. Hopefully I wont need to ever use it. Thanks for the great service!! 725730



- SP-111275
by:

They look good and arrived in only 3 da ys 718744


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Show More Reviews

Ask the Experts about this Universal Group Trailer Leaf Spring Suspension

  • Replacement Suspension Components for 6,000 Lb Axles with 25-1/4 Inch Long Leaf Springs
    Thanks for the photo! I have everything you need to get your trailer back on the road. I have attached my recommendations on the following parts for you trailer as well as the quantities needed. Leaf Springs: part # SP-111275 (4) Equalizers: part # TREQ310 (2) Shackle Straps: part # 115208GALV (8) U-Bolts: part # APUBR-8 (2) Eye Bolts: part # 166079 (12) I have also attached a few review videos on the above products for you as well.
    view full answer...
  • Leaf Spring Hits Equalizer After New Leaf Spring Install
    The most common mistake when replacing a trailer leaf spring is measuring the existing leaf spring while the trailer is loaded (wheels on the ground) and not accounting for the leaf spring lengthening over time. Therefore, it sounds like the new leaf spring you have may be a bit longer than the one it replaced which is why it is now hitting the equalizer. This would be the only reason that this happened if the equalizers and shackle straps remained the same. If you still have the old...
    view full answer...
  • How Tight Should Nuts that Hold Shackle Straps be When Installing New Leaf Springs
    The shackle bolts used between the springs and hangers do not require a specific torque rating because tightening the shackle bolts too much will squeeze the shackle straps against the leaf springs, and the whole suspension system will bind and cause problems. The best thing to do when tightening down shackle bolts is to use lock nuts, tighten them until they are snug, then back them off 1/4 turn. Lock nuts should be used because they resist loosening with vibration or torque.
    view full answer...
  • Height Of 5-Leaf Double-Eye Leaf Spring For 6,000 Lb Trailer Axle
    I attached the photo of the 5-Leaf Double-Eye Spring, part # SP-111275 with the specs shown you can check out. I added the depth of the springs where the axle attaches and show both the height of just the springs at 1.8 inches and the measurement of the depth of the springs with the pin included.
    view full answer...
  • Comparing USA and China Leaf Springs for a 2006 Keystone Raptor
    The Universal Group Leaf Springs we offer like the 5-Leaf Double-Eye Spring part # SP-111275 are very durable and have a great reputation for performance and longevity. In fact, we have hundreds of customer reviews on these leaf springs and most have given the highest rating possible. I am not sure which other leaf springs you are referencing but I can confirm the above are a quality option you can rely and depend on. In regards to suspension enhancement, the Equa-Flex Cushioned Equalizers...
    view full answer...
  • How to Measure a Leaf Spring To Find the Correct Replacement on a Trailer Axle
    There a few more measurements that are needed off of your current leaf springs to guarantee that you will find the correct replacement leaf spring. I have attach a diagram that will show the other measurements that are needed. You have the first measurement with the eye-to-eye distance. To find the correct replacement you will also need the spring height, measured from top of the center of the spring to the center of the eye. Also needed is the distance from the spring center to the...
    view full answer...
  • Recommended Replacement Leaf Springs for 2005 Keystone Raptor D3612 Fifth Wheel
    Trailer manufacturers typically don't list the specific leaf spring specs in their product information but I did call Keystone to see if they could provide the necessary details about your 2005 Raptor D3612 fifth wheel, such as axle capacity, spring length, etc. My contact there was not able to provide this. What you can do is check on the axle's safety sticker or I.D. plate for its rated capacity. You can also observe how many leaves there are in the springs. The other things you need...
    view full answer...
  • Replacement Leaf Spring Needed for 5th Wheel with 6,000 Pound Axles
    The replacement leaf spring that I have available to fit your 6,000 pound axle is the 5-Leaf Double-Eye Spring, # SP-111275. This spring measures 25-1/4 inches long by 1-3/4 inches wide. In order to ensure proper traction and a safe, level ride, we recommend that all leaf springs be replaced at the same time and that all springs match. By using the # SP-111275, you would be replacing a 4-leaf spring with a 5-leaf spring so it is strongly advised that all springs be replaced. Please...
    view full answer...
  • Measurements Needed When Replacing Leaf Springs On Trailer
    Knowing the exact length of a double-eye spring can be tough, especially if the spring is still on the trailer. The best way to measure them is to remove it from the trailer and measure center-of-eye-to-center-of-eye. If the springs have been on the trailer for a long period of time they can stretch by up to 3/4 inches. The eye-to-eye measurement for part # SP-111275 is 25-1/4 inches. The spring capacity is 3,000-lbs and is designed for an axle up to 6,000-lbs. You mentioned that the...
    view full answer...
  • Spring Hanger Placement for Single-Axle Trailer Using 25-1/2-Inch Double Eye Springs
    The hanger spacing for a single-axle leaf spring setup will be slightly greater than the distance between the leaf spring's two eyes. Please refer to the linked image to see how the spring and shackle are oriented in this type of setup. The shackle strap length has some effect on the spacing but for a spring with eye-to-eye spacing of 25-1/2-inches your two hanger holes should be approximately 25-3/4-inches to 26-inches. Be sure to measure the spring when it is NOT installed and under tension.
    view full answer...
  • Shorter 5-Leaf Double-Eye Spring # SP-198275 Than the Other 3 Purchased
    You will be fine, I spoke with one of our installers here and he said that the springs will have small length variances due to one spring having more of a bow shape when compared to the other springs but once weight is put on the trailer after installation everything will even out as the springs all have the same spring rate.
    view full answer...
  • Recommended Replacement Leaf Springs For Fifth Wheel Trailer
    You do want to measure the springs with the weight off of them because they will flatten out with the weight added. Over time, springs can flatten a bit and that is why you are getting the 26 inch measurement. Based on the measurements you provided, I recommend going with part # SP-111275. This is a 5-leaf spring and is designed for 6,000-lb axles. You also want to check the rest of your suspension to make sure everything is in good working order.
    view full answer...
  • Leaf Spring Replacement for 2011 Cardinal 3515 Camper
    We have 6,000 lb trailer leaf springs that are 25-1/4 inches long with the part # SP-111275 which would be exactly what you are looking for. The closest equalizer we have to what you need is the part # TREQ356 which measures 6-1/8 inches from bolt hole to hole front to back and vertically is 2-1/2 inches. If you replaced all or your equalizers with this it would fit and work well.
    view full answer...
  • Replacement Double Eye Leaf Spring For 6,000 Pound Axle on 5th Wheel Trailer
    Based on my research, your Dexter leaf spring is a double-eye leaf spring with a 3,000 pound capacity for your 6,000 pound axle. The original length of your existing springs is 25-1/4 inches. As springs tend to stretch a bit over time, your existing spring likely measures between 25-1/4 inches - 26 inches. To replace the springs on your axle, you can use the # SP-111275 leaf spring. This double-eye spring has a matching length, 25-1/4 inches, and weight capacity, 3,000 pounds, to your...
    view full answer...
  • How To Properly Measure For Replacement Leaf Springs on a Trailer with Triple Axles
    First thing you will want to do is pick leaf springs that are as close to the axle capacity as possible. It is also highly recommended to replace your leaf springs in pairs, new set per axle. Thanks for your pictures it looks like you actually have a triple axle trailer with 6 leaf springs that have 6 leafs per spring like the # SP-053275. You will want to also measure the distance from eye to eye of your old leaf springs and then pick a leaf spring with the same weight capacity of...
    view full answer...
  • 6k Trailer Axle Leaf Spring and Tandem Axle Hanger Kit Recommendation
    The leaf spring part # SP-111275 is designed for 6k axles. On a tandem axle trailer with these springs you would end up with a 12k capacity. If your axles really are 6k rated these would be the ideal springs to use. The recommended hanger kit to use with this spring is the # APT5 because all of the hangers are the same size and you end up with great tire clearance. The equalizers that come with this are 7-3/4 inches. The distance between the axles will end up being 33-1/2 inches and...
    view full answer...
  • How to Select Replacement Leaf Springs for 5th Wheel Trailer
    It does sound like you have found some clear damage to your 5th wheel trailer's leaf springs that will require attention. Uneven tire wear can be caused by a number of things - incorrect pressure, inadequate weight on the axle or a visibly damaged component like a leaf spring that has allowed the suspension geometry to change. It sounds like the broken driver-side spring is letting the axle hang too low on that side, which brings the tire's outside edge into more contact with the road...
    view full answer...
  • Upgrading Leaf Springs On a 5,200 Lb Axle for Increased Tire Clearance
    The 5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles part # SP-111275 would be perfect for you as the extra capacity means the trailer won't sag as much and the extra leaf will give you more tire clearance. This spring also has a 25-1/4" eye to eye measurement so it will be an exact fit.
    view full answer...
  • Upgrading Leaf Springs On Trailer For 3000 lbs Capacity On 3500 lbs Axles
    You can absolutely upgrade your 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long, # SP-218275, to the 5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long, # SP-111275. This upgrade will give you the 3000 lb capacity you mentioned, but it will not give you the ability to carry larger loads. Your load capacity is rated by your axles themselves, so although stronger springs will make things less squatty, it will basically just give you a firmer ride on your...
    view full answer...
  • 6,000 lb Axle Leaf Spring Recommendation that is 25-1/4 inch Long
    What we have that matches what you listed the best is the leaf spring part # SP-111275 which is a 25-1/4 inch long spring for 6,000 lb axles like you need. Only difference is this is a 5 leaf spring and you said yours was a 4. Aside from that this would be the same and would still work great.
    view full answer...
  • How Much Clearance is Needed to Account for Suspension Travel on a Trailer
    We usually tell people to look for about 3 inches of clearance to account for the total travel capabilities of trailer suspension. If you have less than 3 inches you might be able to compensate by using slightly longer shackle straps. I have included a link to the shackle straps we carry.
    view full answer...
  • What is Minimum Trailer Tire to Fender Clearance
    Generally speaking you will want to have 3 inches minimum from the top of your tire to the fender of your trailer to accommodate for suspension travel. Having a little more wouldn't hurt, but I wouldn't recommend any less than 3 inches. Typical spring deflection is 1-1/2 inches. I attached a link to a page that has all of the fenders we offer as well.
    view full answer...
  • Raising the Height of a 2015 Shasta Airflyte 16 Reissue Trailer
    This is the first time I have heard of this issue but if a 5-leaf spring is the fix then we may have something that will work depending on the measurements you will need. When measuring springs you will need to have the weight off of them by either removing a spring or jacking up one side of the trailer so no weight is on that one side. Spring # SP-111275 is the only 5-leaf double-eye spring that we carry. It measures 25-1/4 inches from spring eye center to spring eye center and 3 inches...
    view full answer...
  • Will Trailer Leaf Springs with Taller Spring Stack Raise the Height of a Trailer
    If the springs on your trailer are also 14 years old then they have probably flattened out a bit and that could have lead to the tires rubbing the fenders more so than switching to a larger tire size. Going with new springs will certainly help. If the # SP-111275 spring has the right measurements and capacity then it will work well and provide ample clearance between the tires and fenders.
    view full answer...
  • 6k Trailer Leaf Spring and Hanger Kit Availability for Tandem Axle Trailer
    We have a few 6k leaf springs that could work for you but we need to know the length of the springs that you need. For a 25-1/4 inch spring we have the part # SP-111275. For a 26 inch long spring we have the part # SP-053275, and for a 25-1/8 inch spring we have part # SP-221275. For a tandem axle hanger kit we then have the part # AP233.
    view full answer...
  • Recommendation for Upgrading Double-Eye Springs Suspension to Remedy Trailer Lean
    To replace the 6,000lb leaf springs on your 2014 Grand Design 337, a great option is the Double-Eye 5-Leaf Springs, # SP-111275. These are 25-1/4 inches long, so to confirm they will fit your trailer, it is best to try and measure your current, unloaded leaf springs to assure proper replacement length. Typically, the number of leaves on a suspension system will not have an affect on the setup, especially when looking at leaf springs within the same weight capacity. The difference in the...
    view full answer...
  • How to Pick Out Leaf Springs for a 2011 Keystone Outback 277RL
    You will want to remove your current leaf springs before you measure them. Typically, over time the springs will slightly flatten out from use which causes the spring to slightly increase in length. If your spring measures 26 inches removed from your trailer and your trailer has 6,000 lb axles the Leaf Spring part # SP-111275 would be the correct spring for your trailer. I attached an FAQ article on double-eye leaf springs for you to check out as well.
    view full answer...
  • Do Trailer Leaf Springs Have to Face a Certain Direction
    The clip that goes around 3 of the leaves of the 5-Leaf Spring part # SP-111275 that you referenced can go either in front of the axle or behind it. Either way would be perfectly fine. I attached an FAQ on trailer suspension for you to check out as well.
    view full answer...
  • Potential Causes for Sagging Leaf Spring on Passenger Side of 5th Wheel Trailer with Slideouts
    It is generally always best to replace trailer suspension components on both sides of a trailer. This can reduce the chance of tracking problems that can occur if the suspension characteristics are not symmetrical. If the springs on the curb side of your 5th wheel routinely wear/sag faster than those on the left side, and if this is where your largest slide is, then you may simply have a case of faster wear from that weight. Trailer loading naturally also affects wear and tear on the suspension. Moving...
    view full answer...

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Info for this part was:

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