3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long

3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long

Item # SP-113275

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Trailer Leaf Spring Suspension

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Universal Group 23-1/2 Inch Long Trailer Leaf Spring Suspension - SP-113275
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Product Images


  • Springs
  • Leaf Springs
  • Double Eye Springs
  • 23-1/2 Inch Long
  • 2000 lbs
  • Universal Group
Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 2,000-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. 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long part number SP-113275 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (30)
  • Q & A (16)
  • Videos (1)
  • Photos
  • Why etrailer?

Universal Group Trailer Leaf Spring Suspension - SP-113275

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 2,000-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: 1,000 lbs
  • Axle capacity: 2,000 lbs
  • Length from center of spring eye to center of spring eye: 23-1/2"
  • Spring width: 1-3/4"
  • Eye diameter with bushing: 9/16"
    • Eye diameter without bushing: 11/16"
  • Leaf thickness: 3/8"
  • Number of leaves: 3
  • Additional dimensions: see table


Double-Eye Spring

Part NumberABCD
SP-11327511-3/4"12-5/8"23-1/2"3-1/2"


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-113 Universal Group Double Eye Trailer Leaf Spring - 3 Leaf - 1,000-lb Capacity







Video of 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" 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 - Leaf Spring Suspension - SP-113275 Review

Today we're going to take a look at the 3-leaf, double-eye spring for a 2,000-pound trailer axle. This is made of a nice, strong, durable steel construction. It is designed to flex, to absorb road shock, provide a nice, smooth ride that will help reduce ware and tear on your trailer. It will ensure a nice, level ride on bumpy and uneven surfaces, and it is designed to mount to the trailer frame with the hangers or hanger kit, which we do sell separately on our website. We do usually list them on this product page as a related product. This does include the nylon bushings in both eyes. A few specs on this: The weight capacity on this spring is 1,000 pounds.

When this is matched with one on the other side of the axle, it will meet the axle that it fits on, of 2,000 pounds. This has three leaves. You can see, one, two, three. I want to give you a few measurements. We'll do the spring length, which is measured center to center, from one eye to the other.

If I take a tape measure, if we go center to center, you can see 23-1/2 inches for the spring length. The spring width overall on the spring is going to be right at 1-3/4 inches, and the diameter on the spring eyes on each end is 9/16 of an inch. This is for a quantity of one spring. One note I do want to mention, to ensure proper axle alignment and suspension performance, we do always recommend these springs should be replaced in pairs. That should do it for the review on the 3-leaf double-eye spring.


Customer Reviews

3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long - SP-113275

Average Customer Rating:  4.7 out of 5 stars   (30 Customer Reviews)

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 2,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.

- SP-113275
by:

Product looks good. Natalie was of great assistance -- good job! 574278



- SP-113275
by:

Kind of hard to rate at this time. Only time will tell how good they are. I didn't catch it in time but, these springs have only the plastic bushing in the eyes with no rubber bushing for cushion like some Iv'e seen. Made in China but what ain't. They seem to be a good spring and I'm sure they'll work fine. Excellent service. 599103



- SP-113275
by:

springs fit well and are the right rating for my small sailboat. The only downside is that I'm seeing rust beginning already on the spring finish. They need to do more with the protection/weatherproofing coatings. 568577



- SP-113275
by:

Super fast shipping springs were just what I needed found lots of information on etrailer website on how to measure also great seller will be using them again when needed 652489



- SP-113275
by:

Good prices, great customer care 643265



- SP-113275
by:

As usual, etrailer came through with the springs Ineeded when no one else had them. Second order from them (fast shipping to). Will use them for any trailer items. 641991



- SP-113275
by:

I recieved all the correct items recommended by Carol, all of it shipped in good condition. I assembled all parts with no issues. Thank you for the help. 609046



- SP-113275
by:

Arrived quickly and package sealed nice. 600318



- SP-113275
by:

Fast shipping, good quality and price. 562156



- SP-113275
by:

PRETTY BIG BOX FOR JUST ONE SPRING - LOVE IT 541234



- SP-113275
by:

All was great. Shipping on time Got a great deal. Yup good place 539473



- SP-113275
by:

Every thing worked fine 488207



- SP-113275
by:

Worked perfectly, easy to install 470881



- SP-113275
by:

Excellent searchability on the website, great customer service, and fast shipping! 466441



- SP-113275
by:

Excellent service and shipping 443895



- SP-113275
by:

Leaf spring was exactly as described. Fit trailer perfectly and was easy to install. Shipping was quicker than expected. Satisfied to the point I ordered 2 more for a older trailer I have. 442044



- SP-113275
by:

Excellent Product, Price and Service. Will use this company the next time I am in need of trailer parts! 437642



- SP-113275
by:

We are still in the process of building the wagon, but are very happy with the products we received. 430123



- SP-113275
by:

thank you for your quick and excellent service. the springs look great and are exactly what I ordered. thanks again, Bud 408553



- SP-113275
by:

Fast delivery. Easy mounting and balanced the trailer well. 408404



- SP-113275
by:

The diameter of existing bushing is bigger than the 11/16" spec (see my review of bushing purchased at same time). The bolt holding springs together is too long. Had to cut excess down to but acid grind some of nut off. As with my bushing comment I was promised a tech rep would call me right back and no one ever did. 402933


Comments

Jim, I apologize for any inconvenience with your order. I see that Wayne of our office called and left a message to resolve this issue.

-- Laura E - 07/10/2017

25908

- SP-113275
by:

The price was good got it fast everything looks good have not installed them yet. 377753



- SP-113275
by:

Good product and great price 359915



- SP-113275
by:

What I ordered, delivered on time and correctly (prices are very good also) 337863



- SP-113275
by:

Great product, fast shipping, already installed them and its awsome,will buy from you guys again, thanks! 333293



- SP-113275
by:

Great leafsprings great fit . Very fast shipping. Thanks alot 314149


Comments

Still on great shape and working fine

David - 11/05/2017

30575

- SP-113275
by:

The parts were right on. The informational videos were very helpful in determining the parts needed. This is my second order using e trailer and I'm very happy. 294767



- SP-113275
by:

Order was processed and shipped very fa st! 294063



- SP-113275
by:

All the products I have purchased are exactly what I ordered and delivered right on time. Always great products and service with eTrailer.com. 286442



- SP-113275
by:

I ordered a pair of leaf springs for my boat trailer. I received them two days sooner than expected and they are an exact match. I am very happy with the product and service I received from (etrailer.com). 281150


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


  • Recommended Double-Eye Suspension System for 2,000 lb Single Axle Boat Trailer
  • For your single axle boat trailer, I recommend the Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 1-1/4" Rear # APS2 along with the 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long # SP-113275. I've attached a photo with spring measurements to assist as well as an article on suspension.
    view full answer...

  • Recommended Leaf Springs and Hardware for 2001 EZ Loader Boat Trailer With 1560 lb Axle
  • There are different leaf spring lengths available for your axle capacity, so you will need to measure from the center of spring eye to spring eye. We have these 3 options: 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 20-3/8" Long # SP-169275 4-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 26" Long # SP-124275 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long # SP-113275 For your connection to your hangers, you will want the Shackle Bolt with Locknut...
    view full answer...

  • Trailer Leaf Spring Recommendations for a Boat Trailer with 1,900 Pound Boat
  • The leaf springs should be rated to match the axle on the trailer. Spring # SP-256275 is rated for 2,250 pounds per spring so it fits 4,500 pound axles. These springs would be overkill for a boat weighing up to 1,900 pounds and it would be a very stiff and jarring ride for your boat. Your trailer axle may have a capacity listed on it somewhere and if not then there should be some capacity information on a placard or sticker near the front of the trailer somewhere. Whatever the gross...
    view full answer...

  • Troubleshooting Front Wheels Lifting on Dual Axle Trailer
  • It sounds like your shackle straps are binding or flipping and this should not be, so you will want to determine the cause of your suspension issue. It could be shackle strap length, equalizer length, or leaf spring length causing the issue. I recommend having it looked at because an axle off the ground and slamming down will cause damage over time. I've attached an article on suspension to assist.
    view full answer...

  • Determining Hanger Spacing for Replacement Leaf Springs on Trailer
  • The closest leaf spring set we have available to the 22-1/4 inch length you mentioned is the 3-Leaf Double-Eye Spring # SP-113275. This double-eye leaf spring features a length of 23-1/2 inches from the center of the spring eye to the center of the other spring eye. I recommend making sure you are measuring your existing leaf spring from the center of one eye to the center of the other. This particular set is designed for 2,000 pound axles, so you will want to also make sure any new springs...
    view full answer...

  • How To Determine Hanger Spacing for Single Axle Trailer Suspension Based on Leaf Spring Length
  • The trick for hanger spacing is to subtract around 3/8 of an inch from the spring length (eye to eye) and then use that dimension for the hanger spacing on a single axle trailer. So for a 23-1/8 inch long leaf spring a spacing of 22-3/4 inches would be the correct dimension to use.
    view full answer...

  • Replacement Leaf Springs and Suspension Parts for 1962 Forester Camper Trailer
  • Trailer makers do not maintain specs on items like suspension components but it is not difficult to identify correct replacement suspension parts like leaf springs and shackle straps. It is usually best to remove one of the leaf springs to measure it when it is not under tension. This gives the most accurate eye-to-eye dimension. Also note that a well-worn leaf spring can actually stretch a bit. Leaf springs can easily elongate as much as 1/2-inch, sometimes more, if they are very old...
    view full answer...

  • Can Center Bolt Be Ran from the Bottom Up on Trailer Leaf Spring # SP-113275
  • Yes, if you look closely at some of the pictures you can see the center bolt for leaf spring # SP-113275 goes through the stack and into a nut on the bottom. So in other words it can be reversed. Please note it would be a good idea to secure the spring using vises or clamps in order to keep the spring stack in position and so no residual tension can cause a leaf to possibly cause an injury. Do not work on springs when they are under load (still on the trailer).
    view full answer...

  • What Causes a Trailer to Bounce
  • A trailer can bounce if there is not enough weight on it. You see this particularly with utility trailers that are empty. The tire and wheel size would not automatically cause a trailer to bounce though usually you see smaller tires on smaller trailers and smaller trailers tend to be light weight. So again it really comes back to weight. It is also possible that there is too much tongue weight and/or the trailer is being towed nose down. This would limit the weight that is over the...
    view full answer...

  • Trailer Suspension Hanger Spacing for a Single Axle Trailer and 23-1/2 Inch Long Spring
  • On a single axle trailer the hanger spacing is approximately 1/2 inch (or slightly more) shorter than the spring length. So if your spring is 23-1/2 inches long, such as # SP-113275, then you are looking at a hanger spacing of 23 inches on center. The shackle length you use depends on the hanger height from the bottom of the trailer frame to the center of the eye hole. You would want the spring eyes to be level so a shackle that is too short or too long would throw that off. I have...
    view full answer...

  • Center Bolt Size on #SP-113275 Leaf Spring
  • 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long # SP-113275 doesn't have a traditional bolt but it does have a threaded shaft and nut on the bottom. It is more like a plug on the top for the spring seat of your axle to rest. The length is 1-3/4 inches overall and it is 3/8 inch diameter by 20 threads and sticks out 1/2 inch from the bottom of the spring stack.
    view full answer...

  • Recommended Suspension Components and Measurements for 2,000 lb Axles on Tandem Trailer
  • With your Triangular Equalizer # TREQ310 you will have a 4 inch height and 6-1/16 inch on center width for your suspension system. I did a little research and the Una-113 springs are 23.5 inches and 3 leaves with a 1000 lb capacity. This is the same as the Universal Group springs # SP-113275. I've attached an article to help you determine the shackle straps you need for your system. The most typical are the 2-5/8 inch shackles like # 115052 for your system, but I recommend doing...
    view full answer...

  • How to Choose the Best Tires, Wheels and Axle for a Homemade Jet Ski Trailer
  • Finding the ideal tires, wheels and axles for your trailer will depend heavily on the overall weight of the trailer. For example, a jet-ski can weigh as little as 400-500 lbs on the light end and around 1,000 lbs on the heavy end. You must also consider the weight of the trailer itself sitting on the axles. Also, keep in mind that if the axle is positioned properly, the tongue of the trailer should hold about 10 percent of the total weight. For example, let's assume that your jet-skis...
    view full answer...

  • Available 23-1/2 Inch Replacement Double Eye Spring
  • We carry one 23-1/2" double eye spring, # SP-113275. This spring is for a 2,000 lb axle, has three leaves, a spring width of 1-3/4", an eye diameter with bushing of 9/16" and an eye diameter without the bushing of 11/16". I've added a link to a video review of this spring for you to take a look at.
    view full answer...

  • Recommended Suspension Components for 2014 Flagstaff MAC 206 LTD Camper
  • To help you with the replacement parts you need, you will need to measure your springs from eye to eye. We have the 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 20-3/8" Long # SP-169275, the 4-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 26" Long # SP-124275, or the 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long # SP-113275. If you are replacing one hanger, then you will need to know the dimensions. I have attached the link to your options. If...
    view full answer...

  • What Kind of Steel are Trailer Leaf Springs Made of
  • The steel of the trailer leaf springs like part # SP-113275 is spring steel which is designed to flex and go back to it's original shape. Spring steel is typically low-alloy manganese, medium carbon steel.
    view full answer...


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Info for this part was:

Expert Research:
Michael H
Installed by:
Jeff D
Expert Research:
Jameson C
Written by:
Alexander C
Photos by:
Stacy F

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