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 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 or call 800-298-8924 for expert service.
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Trailer Suspension > Leaf Springs > For Double Eye Springs > For 1-3/4 Inch Wide Spring > 6000 lbs > 5 Leaf > 25-1/4 Inch Long > Universal Group

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Video Demo Universal Group Trailer Suspension SP 111275

Universal Group Trailer Suspension SP-111275 Review

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

Universal Group Trailer Suspension

(15 reviews)

Code:   SP-111275



Shipping Special

Shipping Weight: 16 pounds


Universal Group Trailer Suspension - SP-111275

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.


  • 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


  • 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

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

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

Videos are provided As a guide only. Refer To manufacturer
installation instructions And specs For complete information.

Video Transcript for Universal Group Trailer Suspension SP-111275 Review

Today we're going to take a look at the 5 leaf double eye spring for 6,000 pound axles. Now this is made of a nice strong durable steel construction. It is designed to flex to absorb road shock, provide a nice smooth ride which will help reduce wear and tear on your trailer. It does ensure a nice level ride on bumpy and uneven surfaces and it does mount to your trailer frame with hangers or a hanger kit which we do sell separately on our website and lots of times we'll list them on this product page as a related product. If you notice in the eyes themselves it does include the nylon bushing. A few specs on this, the spring capacity of this one spring is 3,000 pounds so when this one is matched with one on the other side of the axle, it will give you a total .. It will meet the actual capacity of 6,000 pounds.

Again, if you notice it is 5 leafs, 1, 2, 3, 4, 5. I'll give you a few measurements on this. We're going to do the spring length and width which are the critical measurements. The spring length will be measured from the center of this eye to the center of this eye. If we take the tape measure, you can see if we go right across it will be 25 and a quarter inches for the spring length. The spring width will be measured edge to edge just right there, so you can see it's right at 1 and 3 quarter inches for the width and the eye diameter on the double eye, the eyes right here is 9, 16, 7 inch.

Now this part is for quantity of one spring. One last note I do want to mention that to ensure proper axle alignment and suspension performance, leaf spring should always be replaced in pairs. That should do it for the review on the 5 leaf double eye spring for 6,000 pound trailer axles.

Customer Reviews

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

Average Customer Rating:  5.0 out of 5 stars   (15 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: Rocky07/16/2016

I ordered on Wednesday and I had my order on my front door on Friday it was a very fast delivery and good quality product that was extremely supper heavy duty leaf springs and hangers for my trailer made such a huge difference. I was really happy with my order and would recommend this to everyone. 272619

- SP-111275

by: Dave07/30/2016

This is great company. Fast shipping, great service, cheaper than local store. Just repair my trailer today and fit perfect for my 4 spring leaf replacement. This is good quality. You can't go wrong with eTrailer. Thank you. D. 277771

- SP-111275

by: Dave J08/23/2016

The springs arrived promptly, a few days sooner than expected! I haven't installed them yet but they appear to be exactly what I ordered and expected, and at a good low price. 286746

- SP-111275

by: Dan Miller07/25/2016

Installed new springs and am very happy thus far. I was impressed with the very quick shipping and the excellent ability to watch the shipping progress. 275980

- SP-111275

by: Josh P.07/16/2016

These leaf springs are just what the doctor ordered! Now my tool trailer can carry the payload I haul daily. 272701

- SP-111275

by: Cindy B - NY10/02/2016

Leaf springs for 5th wheel. Reasonable price. Fast shipping. Third time we ordered with great experience 302614

- SP-111275

by: Bryan m.07/18/2016

easy to get measurments product was great . the service was great will be using etrailer in the future. 273270

- SP-111275

by: Craig h08/18/2016

Just got the springs and they look great need a day to install them 285346

- SP-111275

by: Jeremy Bruthet08/24/2016

Fit my trailer great. Seems like a good product. 287213

- SP-111275

by: Curtis09/04/2016

Product is just like I expected. Thanks a lot. 291200

- SP-111275

by: Justin V10/14/2016

Quick priced right free shipping 306812

- SP-111275

by: Juan Garcia09/21/2016

Good products. Great service 297399

- SP-111275

by: Charles10/21/2016

Everything is great. Thanks 309388

- SP-111275

by: mike10/10/2016

look good 305049

- SP-111275

by: Anthony09/06/2016

Great 291642


Ask the Experts about this Universal Group Trailer Suspension
Do you have a question about this Trailer Suspension?

  • How to Pick Out Replacement Leaf Springs for a R-Vision Trail Lite Crossover
  • You gave me a lot of great information, but the last piece of the puzzle is the axle capacity of your trailer. With that I can tell you what spring would work best. Priority number one for picking out leaf springs is to go with the proper rated spring. I tried looking up your trailer info but could not determine the axle capacities. If you check the plate or plaque up near the coupler of your trailer you will see the axle ratings listed there. You will want to then check out the link...
    view full answer...

  • Availability of 25-1/4 inch Long Leaf Springs with Width of 1-3/4 inches
  • We carry a few leaf springs that are 1-3/4 inches wide and have a length between the eyes of 25-1/4 inches. You will want to go with the spring that matches the capacity needed for your trailer. The part # SP-220275 has a 2,000 lb capacity. The part # SP-218275 has a 2,500 lb capacity. The part # SP-111275 has a 3,000 lb capacity. Each of the spring capacity's is rated per spring. With a pair of springs the axle capacity would be double.
    view full answer...

  • How Much Clearance Should be Between Tires and Fenders on Unloaded Trailer
  • It all depends on how much the suspension travels but I would say unloaded you would want at least an inch from the tops of the tires to the bottom of the fenders. Keep in mind though that over time the springs will flatten out some, as much as half an inch, so keep that in mind years down the road. You could also add some suspension enhancement, # TTRA1032, rated for 7,000 pounds, which will help with support and ride quality. And it will prolong the life of the suspension. For a tandem...
    view full answer...

  • What is the Minimum Space Between Tires on a Tandem Axle Trailer
  • I checked with Dexter, manufacturer of many trailer parts, and according to them there should be at least 1 inch of space between the tires when under load. So once your trailer is loaded and ready to tow, if you have more than 1 inch of space between the tires then going to the larger size would work. You also have to consider the additional width of the larger tire and the additional height. the new larger size will be 3.2 inches taller and 1.25 inches wider than your existing tire...
    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...

  • 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...

  • Picking Out Trailer Leaf Springs for Trailer with 30 inches between Hangers
  • To pick out the correct suspension components for a trailer you want to do it by most importantly picking out the springs that closely match the capacity of the axle capacity needed. That is priority one. For example if you were using the springs part # 1020, # PR722, # SP-111275, # SP-218275, # SP-115275, or # SP-220275 with the hanger kit part # APT5 that comes with equalizers that are 7-3/4 inches long you would want the hanger spacing to be 29-1/2 inches which is pretty close to...
    view full answer...

  • Does Single-Leaf 6K Leaf Spring SP-115275 Have a Pilot Nub for U-Bolt Plate
  • The Universal Group 1-Leaf Double-Eye Spring # SP-115275 does not have a center bolt as found on the comparably-rated 6K spring # SP-111275. That center bolt head, or pilot, is not present on the single leaf spring because it is not needed as it is with multi-leaf springs. You can still install this spring using a u-bolt plate that has a center hole. Although these two springs share the same dimensions and weight capacity (25-1/4 x 1-3/4, and 6K) if you are replacing a multi-leaf spring...
    view full answer...

  • Leaf Spring Recommendation for 6k Axle that Measures 25-1/4 inches in Length
  • I checked your order notes and you ordered a spring that we no longer carry back in 2014. The leaf spring part # SP-111275 that you referenced is a spring we just started carrying that I would recommend for you as it is the correct length and capacity. I attached a review video for this spring for you to check out as well.
    view full answer...

  • Increasing Axle Spacing on Tandem Axle Trailer to Use Larger Tires
  • The minimum distance between front and rear tires on a tandem axle trailer is 1 inch (when under load). If you are at 1 inch now and the trailer is not loaded then you would need to move at least one axle. This means that you would have to cut off hangers and have them welded back on in a new location by a professional welder. Spring # SP-111275 is indeed longer than # SP-198275 by 3/8 of an inch. If you went with shorter springs and longer equalizers then you could get more space between...
    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...

  • 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...

  • Is there a Specific Amount of Clearance Required Between a Tire Sidewall and the Trailer Frame/Body
  • If you keep the trailer tires inflated to the maximum psi indicated on the tire sidewall then they should not bow out on the sides enough to cause any clearance problems between the tire and the trailer. A 1/2 inch space could be enough but it is situational. It might be enough on some trailers while others may need more space to prevent rubbing. Going with a narrower wheel and/or skinnier tire could be all you need to have better clearance.
    view full answer...

  • Replacement Leaf Springs for a Trailer with Two 6,000 Pound Axles
  • For 6,000 pound axles you will need springs that are rated for 3,000 pounds each. I recommend # SP-221275. This spring is 25-1/8 inches long, 1-3/4 inches wide, and has 4 leaves. It is best to replace all of the springs at the same time so they wear evenly and the ride quality/tire wear is not affected.
    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...

  • 6,000 lb Leaf Spring Recommendation for a 2003 Holiday Rambler Presidential
  • The 5 leaf spring part # SP-111275 would be the best choice since a bit more fender clearance is desired. This will match right up to your trailer and will work well. As long as you pick out the correct dimension EZ flex to replace the equalizers on your trailer no fender clearance would be lost either. You are going to have to measure your current equalizers to find the correct one. The part # K71-653-00 is a replacement for a 7-3/4 inch equalizer and the part # K71-652-00 is a...
    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...

  • Replacement Suspension For 2014 Forest River Fifth Wheel
  • We have the replacement suspension parts you need for your 2014 Forest River Fifth Wheel. The largest capacity springs we offer that have the eye-to-eye length you need are part # SP-111275. These measure 25-1/4 inches eye-to-eye. These are a 5-leaf spring and are designed for 6,000-lb capacity axles. Additional leaves in the springs will provide more stability as you mentioned. The 7,000-lb leaf spring we offer, part # SP-198275 measures 24-7/8 inches long eye-to-eye. I have attached...
    view full answer...

  • How Much Deflection is there with Leaf Spring SP-111275 for 6K Axles when Loaded to Capacity
  • Trailer leaf spring # SP-111275, when a pair are used and loaded to the maximum of 6,000 pounds, would not completely flatten out just sitting. But when going over bumps it will bottom out at the max load. That would be 3 inches of deflection but you will want to shoot for a little more clearance to be on the safe side since it sounds like you might be doing some heavy duty towing! Another option is to use an axle-less system such as # TASR7KS01 which has built-in suspension. This system...
    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...

  • Availability of Leaf Springs for Trailer to Replace 25-1/2 inch Long Springs
  • To pick out the correct suspension components for a trailer you want to do it by most importantly picking out the springs that closely match the capacity of the axle capacity needed. That is priority one. What you will want to do is check out the link I attached once you know the axle capacity you have and select from the springs listed. All of them are dimensionally close enough to fit your trailer.
    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...

  • 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...

Do you have a question about this Trailer Suspension?


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Information for this part was:

Expert Research:
Jackie C
Expert Research:
Michael H
Installed by:
Jeff D
Expert Research:
Jameson C
Expert Research:
Adam R
Written by:
Alexander C

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Info for this part was:

Expert Research:
Jackie C

Expert Research:
Michael H

Installed by:
Jeff D

Expert Research:
Jameson C

Expert Research:
Adam R

Written by:
Alexander C

At we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.