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

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

Item # SP-218275

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Trailer Leaf Spring Suspension

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SP-218275 - 5000 lbs Universal Group Trailer Leaf Spring Suspension
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  • Springs
  • Leaf Springs
  • Double Eye Springs
  • 25-1/4 Inch Long
  • 5000 lbs
  • Universal Group
Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 5,000-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. 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long part number SP-218275 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (199)
  • Q & A (85)
  • Videos (1)
  • Photos
  • Why etrailer?

Universal Group Trailer Leaf Spring Suspension - SP-218275

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 5,000-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: 2,500 lbs
  • Axle capacity: 5,000 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: 4
  • Additional dimensions: see table


Double-Eye Spring

Part NumberABCD
SP-21827512-5/8"13-1/4"25-1/4"3"


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-218 Universal Group Double Eye Trailer Leaf Spring - 4 Leaf - 2,500-lb Capacity

Replaces PR4







Video of 4-Leaf Double-Eye Spring for 5,000-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 - Leaf Spring Suspension - SP-218275 Review

Today we're going to be taking a look at a 4-leaf double-eye spring for a five thousands pound trailer axles. It's going to be made from a durable steel construction. These are designed to flex. That way it absorbs road shock and provides a smooth ride. It's also going to reduce ware and tear on your trailer, and it's going to insure a level ride on bumpy and uneven surfaces. It's designed to mount to the trailer frame with hangers or a hanger kit.

Those items are sold separately. If you're in need of something like that you can check out your options here at etrailer.com. The nylon bushings here on the eyes, pre-installed, they are included. This is going to contain a total of four leaves. It's going to have a spring capacity of 2500 pounds and it's designed for a 5000 pound trailer axle. A few measurements to go over with you real quick, the first one, we want to take a look at the spring length.

That's measuring from the center of one eye to the center of the other. If we do that for this particular leaf spring we can see that that's going to give us a measurement of twenty five and one quarter inches. The spring width edge to edge is one and three quarters of an inch and then the diameter of the eye is nine sixteenths of an inch. Please note that in order to assure proper axle alignment and suspension performance, it is recommended that your leaf springs should always be replaced in pairs. That's going to do it for today's look at the 4-leaf double-eye spring for 5000 pound trailer axles.


Customer Reviews

4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long - SP-218275

Average Customer Rating:  4.9 out of 5 stars   (199 Customer Reviews)

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 5,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.

- SP-218275
by:

The springs look good. I am in the process of installing them now. They are the correct ones and fit well. The only miss was on my part. The shackles and bolts should always be replaced at the same time and I should have ordered them with the springs. 557022



- SP-218275
by:

I have been buying products from etrailer since 2009. I come back because the customer service in helping me find the right part or return a part is always, year after year, excellent! I needed 6 leaf springs for my toy hauler and couldn't find a part number. I called and Sandy helped me find a great replacement spring. I needed the springs quickly so we could go on a planned trip. Ordered them Tuesday, they arrived Thursday in perfect condition. I installed them and wow, the ride height restored, the camper sits square and wheels all straight. THANK YOU Sandy and etrailer. I will keep coming back. Michael 403680



- SP-218275
by:

I replaced all 4 springs under my 20' trailer and what a difference. Made it like new and at a very affordable price. The tables, charts, diagrams and descriptions given with all etrailer parts makes it so much easier to figure out what is needed and the correct parts. Had the order in my hands in less than 4 days from ordering. This is the fourth, or fifth, order I've placed with Etrailer and I will continue to order from them in the future, as the need arises. The products have been quality, price is unbeatable and shipping is quick. The tech support is also outstanding. Questions answered in a timely matter with a detailed answer and part references. Great Company to deal with. Thanks, Ken 460783



- SP-218275
by:

Ordered another three now that I know they will work for my needs. 548997



- SP-218275
by:

I ordered these to replace 4400# springs on our fifth wheel that are 10 years old. I was expecting the ride height to increase but it did not. They appear to be of acceptable quality but as with most products time will tell. We haven't used them yet but are planning a long trip next month. 286904


Comments

Its been a year now. One long trip out west and no issues. No sag at all. Overall positive results with these reasonably priced springs.

Randy R - 08/28/2017

27691

- SP-218275
by:

The products I brought are exact and fit perfectly. The shipping was great, fast. 289431



- SP-218275
by:

The springs were a perfect fit and have performed as well if not better than the original equipment. I'm never disappointed with anything I order from etrailer. 654819



- SP-218275
by:

Amazing quick service and its much appreciated when in a bind. 644685



- SP-218275
by:

Excellent product, perfect fit and very easy to install. Attached is the pics of the new leaf spring, with my old and broken leaf springs. Thanks etrailer for getting my camper back on the road. 644109



- SP-218275
by:

So happy with my purchase. Made a huge difference. I went one size up in weight capacity on my 28’ fifth wheel. Tows and sits a whole lot better and more sturdy. Paired with my new brakes I bought from etrailer It’s a whole new experience towing my trailer. 100% for the better. I recommend these. Especially for the price 640233



- SP-218275
by:

Replaced 4400 lb springs that were 13years old on 5th wheel did springs,shackles,bolts,equalizers,u-bolts,job went great, good parts so far. Do yourself a favor change everything at same time. 637656



- SP-218275
by:

Parts fit perfectly, and were high quality. Delivery, as usual, was fast. Thanks! 638963



- SP-218275
by:

Direct replacement for my triple axles toyhauler. The leaf thickness is not as thick as the original. Great price. 633935



- SP-218275
by:

It's a spring. It carries load well and fit well 609040



- SP-218275
by:

The springs were installed without any problems. The wet-bolt bushings pressed into the spring eyes as they should, with no deformation such as what had been the case with the springs supplied with the OEM axle. 608798



- SP-218275
by:

Great upgrade to my rusty worn out spri ngs 605596



- SP-218275
by:

completely satisfied with the products I purchased and the shipping was very fast highly recommend 602680



- SP-218275
by:

Changed out 4 broken springs for 4 new ones. They were a perfect fit and pretty easy to change. As far as customer service is concerned I wasn’t on the phone for more than 5 minutes and springs were on the way. I will definitely use etrailer again on my upcoming boat trailer project!! 597283



- SP-218275
by:

The springs work great. They fit perfectly and were easy to install. 589839



- SP-218275
by:

Trailer used 3 to 5 times a week to haul 1200 gallons of water and the springs show no sign of wear or sagging. 583719



- SP-218275
by:

Another great product from e trailer. Bolted right up without any problems. My shop does a lot of trailer repair and I get about 90% of my parts from here. I like that the product description gives the measurements of the parts so I know its the right one when I order. 581378



- SP-218275
by:

Parts matched as a pair. Fit and finish good. Prompt shipping 580857



- SP-218275
by:

Fit perfect for my Rv. 577492



- SP-218275
by:

Easy to order, super fast shipping, and great follow up. 560577



- SP-218275
by:

The leaf springs were exactly what I needed! The shipping was very quick. Thank you! 553529



- SP-218275
by:

Great service and delivery was quick, communications was appreciated. 552861



- SP-218275
by:

Installation was easy and straight forward. I’ve driven with these on my trailer from San Francisco’s to the black rock desert about 8 times since their purchase. They are great. 549445



- SP-218275
by:

Build quality looks good, they are made in China, but most everything is anymore. Seem to work fine, time will tell. 521490



- SP-218275
by:

Fast shipping and great product. 520113



- SP-218275
by:

Very nice product and super fast shippi ng 505606



- SP-218275
by:

Good quality good service 494806



- SP-218275
by:

Excellent products, very Happy. I spent a lot of time searching the internet for these products. Pricing, quality and delivery were great ! I made the right choice to order from etrailer.com 493664



- SP-218275
by:

Excellent price and good part. Looks to be well made and the installation went good as these were exact replacement size but heavier capacity. 493538


Comments

We are glad to hear that your new leaf springs are working out for you. Just be aware that increasing the capacity of the springs will not necessarily increase the load bearing capacity of your trailer. If your coupler, hubs, tires or the trailer frame itself has a lower weight rating, youll be limited to the capacity of the lowest rated component.

-- Mike L - 04/09/2018

37094

- SP-218275
by:

Worked great 482003



- SP-218275
by:

Just what I order. Arrived in good shape and on time. 475918



- SP-218275
by:

Excellent fit no drama 473114



- SP-218275
by:

It's a spring. Not much to it, but it looks nice and fits well. Packaging and shipping were superb. 472642



- SP-218275
by:

great product at a very reasonable price installed with no problems 470041



- SP-218275
by:

We are very satisfied with the leaf springs. They look like they are very well made. They were delivered sooner the we expected and were very well packaged. 466974



- SP-218275
by:

Fast delivery... a perfect fit.. will use this company again 466791



- SP-218275
by:

Easy installation and great product. 465136



- SP-218275
by:

Great looking springs! Just what I want ed. 462635



- SP-218275
by:

These were a nice upgrade on my trailer for hauling big trucks. 460590



- SP-218275
by:

I thought that after 19 yrs, the original springs might have been a bit weak on my open car trailer and after changing them I was amazed at how much better the trailer handled. The new springs fit well and I had no problem installing them. Thanks.....Luther 460072



- SP-218275
by:

Quick delivery 453544



- SP-218275
by:

Exactly what I needed. Excellent qualit y. 453232



- SP-218275
by:

these were great. good finish, great fit, good bushings. 449210



- SP-218275
by:

No issues after a year in service 445910



- SP-218275
by:

I have use these spring on a different trail and they work very well and the price is very good also! 436968



- SP-218275
by:

got what I ordered and sooner than expe ted 435862


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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?


  • Replacement Trailer Leaf Springs for 5200-lb Axle
  • When a trailer leaf spring is well worn it can become elongated. Springs can flatten out and become as much as a 3/4-inch longer, measured eye to eye, than when they were brand new. So the correct replacement spring for your suspension might measure shorter than the worn spring you removed. That said, we do have several 26-inch leaf spring for various axle ratings from 2000- to 6000-lbs. The linked page displays all leaf springs and the filters on the page will let you select the axle...
    view full answer...

  • Replacement Leaf Springs, Equalizers, and U-bolts for ALKO T52 Axles
  • Those may not be the original springs on your Springdale. According to ALKO the T52 axle would either have a 5 or 6 leaf spring at a length of 26 inches. To be accurate the springs should be measured with no weight on them because they will otherwise flatten out some leading to a longer measurement. ALKO shows the 4-leaf spring for the T52 at a length of 25-1/4 inches. If you measure it at about 25-1/4 inches with no weight on the spring then you can use # SP-218275 for 5K axles. If...
    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...

  • Replacement Axles and Leaf Springs for Tandem Axle Trailer
  • It is possible the Dexter Trailer Axle Beam with E-Z Lube Spindles # 7359765 will work for you, so long as your current axles are rated for 3,500 lbs, have a hub-face to hub-face length of 95" and spring center to spring center length of 80"; you can use the diagram I have added to know where you need to measure. Additionally, because this has EZ Lube spindles you will need to add Grease Caps # RG04-040 to make your Hub and Drum Assemblies # 84556UC3 compatible. As for your leaf...
    view full answer...

  • Recommended Leaf Springs for 4,400 lb Axle Based on Axle Position and Hanger Locations
  • The typical springs for the AL-KO 4,400 axles are one of two lengths. If you have the 25-1/4 inch length, then you will want the 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles # SP-218275, but if you have the 26 inch springs, you will want the 6-Leaf Double-Eye Spring for 4,500-lb Trailer Axles # SP-256275. The width will be the same so you will want to determine the length based on the position of the axle using dimension A and D in the attached photos and the axle position based...
    view full answer...

  • Bronze Bushing Recommendation for Leaf Springs # SP-218275
  • The leaf spring part # SP-218275 is a 5,000 lb capacity trailer leaf spring that measures 25-1/4 inches long. The biggest factor with picking out leaf springs is to go with the spring that matches capacity first and then length second as hangers can be moved. The bushing kit then that you mentioned of part # K71-291-00 is the correct fitting bushing as well.
    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...

  • 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, # SP-219275, # 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...
    view full answer...

  • Correct Leaf Spring for Trailer with Lippert 3,500 lb Axle
  • Thank you for the photo! I was able to use the serial number on your axle to determine which is the correct replacement leaf spring for your trailer. For this, you are going to want to use the 3-Leaf Double-Eye Spring part # SP-220275 which is a double eye leaf spring that is 1-3/4" wide, has a 4,000 lb total weight capacity, and a 25-1/4" eye to eye measurement. The measurement you provided of 26" long is correct but the leaf spring needs to be measured while unloaded as it will lengthen...
    view full answer...

  • Recommended Leaf Springs and Equalizers for Triple Axle Trailer With Double Eye Springs
  • I saw you were looking at double eye leaf springs so we will assume that is what you have. In regards to leaf spring hanger spacing, the most common for a triple axle trailer is 29-1/2" first to second (center to center), 34" second to third (center to center), and 29-1/2" third to last (center to center). Therefore, it would be best if you would place the leaf spring hangers accordingly. Once the leaf spring hangers are in the above positions then you have a few options based on axle...
    view full answer...

  • How to Measure Length of Double-Eye Trailer Leaf Spring SP-218275
  • Yes, a double-eye leaf spring like # SP-218275 is measured from the center of one hole to the center of the other when the spring is not under tension. If a spring is installed in the trailer suspension it will tend to measure a bit differently. Also, springs that are very old and well-worn will tend to measure a bit longer than they were when new. So for example if you pull an old spring from your trailer and find it measures 26-inches eye to eye, then it is quite possible that when new...
    view full answer...

  • Replacement 2,200 lb Trailer Leaf Spring that is 25-1/4 inches Long
  • 25-1/4 inch leaf springs are a very common length. For a leaf spring that is rated for a 2,500 lb axle that is 25-1/4 inches long you would want the part # SP-219275. If instead you meant 2,200 lbs per spring you would want the # SP-218275 instead.
    view full answer...

  • Leaf Spring and Hanger Kit Recommendation for Tandem Trailer with 5k Axles
  • Since you are looking to replace everything best thing is to go with a properly rated 5,000 lb per axle leaf spring like you need and then build the parts you need from there. So for a 5k rating 4-leaf spring we have the part # SP-218275 which is 25-1/4 inches long. This is a very common length. Then for a kit that includes new hangers, shackles, and equalizers we have the tandem suspension kit part # APT3 which would work well.
    view full answer...

  • Can Springs Be Upgraded on 5th Wheel Trailer With 5,200-Lb Axles
  • You may go up to a higher weight capacity spring as long as the eye-to-eye length and the width will fit, but the higher capacity springs WILL NOT increase the weight capacity of your trailer. The weight capacity will still be limited to whatever the lowest rated component of the system is, whether it be the axle, the shackles or the equalizer. If you decide to go with the higher-rated springs, you will be making the axle and the spindles the lowest-rated component, which can cause failure...
    view full answer...

  • Will Double-Eye Springs # PR4 Fit 2004 Cardinal Travel Trailer w/ Rockwell American 93103 Springs
  • I made a call to my contact at Rockwell American and was able to obtain some information on the springs that are currently on your 2004 Cardinal travel trailer. Your current springs, 93103, have an axle capacity of 4,400 lbs, are 1-3/4 inch wide, and measure 25-1/4 inches from center eye to center eye so the 4-Leaf Double-Eye Spring, # SP-218275, will work for you. This spring is a very close match with the only difference being the slightly higher axle capacity at 4,800 lbs. I have...
    view full answer...

  • 25-1/4 inch Leaf Spring Recommendation for Travel Trailer with Tandem Axles
  • 20 year old leaf springs on a trailer could easily stretch 3/4 of an inch. Going with a 25-1/4 inch spring like you mentioned would be great. Since your springs are 3 inch in diameter that would indicate that most likely you have a 5,200 lb axle as that's a very common rating for that size. For a 25-1/4 inch length spring we have the part # SP-218275 which has a 5,000 lb capacity. # SP-220275 which has a 4,000 lb capacity, and # SP-115275 which has a 6,000 lb capacity. Suspension components...
    view full answer...

  • Replacement Springs for a 2004 Cougar Model 278 5th Wheel Trailer
  • Since the trailer manufacturer rates the axles at 3,500 pounds each, that means that the 4,400 pound axle has been derated because of the placement of the suspension hardware on the axle, to fit your specific trailer. This means that there is no excess capacity to take advantage of. Using a spring rated for a higher capacity than the manufacturer axle rating can cause other parts of the suspension, like the axle itself or bearings, to be the weakest link and take more abuse than intended,...
    view full answer...

  • Leaf Spring Replacements Compatible With 10K Trailer With Dual Axles
  • For your replacement leaf spring on your 10K trailer with dual axles, you will want a spring rated at 2,500 lbs capacity or more so the 2 springs that attach to your axle will not limit your trailer capacity. For instance we have the 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long # SP-218275 or the 4-Leaf Slipper Spring w/ Hook End for 5,000-lb Trailer Axles - 26-5/8" Long # SP-231275 each rated for 2,500 lbs. The measurements of your current springs will also...
    view full answer...

  • Replacement Leaf Springs for Tandem Axle Trailer
  • To determine the correct replacement springs there are a couple of things you will want to look at. First, you will need to know the axle capacity. This information should be on a sticker or plate on the trailer tongue or frame somewhere. If you cannot find this information it could be stamped on the axle somewhere. And if you cannot find it there then you could go by the axle diameter, if it is a round axle: 1,000-lb - 2,000-lb Axles: 1-1/2" - 1-3/4" diameter 3,500-lb Axles: 2-3/8"...
    view full answer...

  • Will the Larger Capacity Leaf Springs Fit Tandem Axle Trailer With 3,500 lb Axles
  • If the measurements on your trailer match the 4-Leaf Double-Eye Spring, part # SP-212275 or part # SP-218275, they will bolt up to your trailer. My contact at Redline informed me that the heavier 4-Leaf Double-Eye Spring, part # SP-218275 will work, but it will give you a rougher ride. Also the weakest link on the trailer will be the 3,500 lb axles when using the 4,800 lb leaf springs. It is recommended to use the Leaf Springs For 3,500 lb Axles, part # SP-212275 for your trailer...
    view full answer...

  • 5k Leaf Spring Replacement for Spring that Measures 25-1/2 inches in Length
  • Actually the leaf spring part # SP-218275 that you referenced would be a perfect choice. It's 1/4 inch shorter than what you currently have which is right what you want as old springs tend to stretch over time as they flatten out.
    view full answer...

  • Recommended Spring Hanger Kit for Load Rite Boat Trailer 3X5 Box Frame, 7200 lbs Gross Suspension
  • There are a lot of variables to consider when selecting a hanger kit. First you should select a kit that will accommodate the wheel and tire combination you are using. The # APT3 kit is a good choice for smaller wheel and tire combinations like 14 inch wheel and tire combinations and the # APT5 kit would be a good choice for 15 or 16 inch wheel and tire combinations since it provides a bit more clearance for tire height. The # APT7, # APT8 and # APT9 hanger kits are typically used as...
    view full answer...

  • Hanger Spacing Dimensions for Installing Double-Eye Leaf Springs on a Trailer
  • The Trailer Leaf Spring, 2250 lbs. 6 Leaf, item # SP-256275, is sold as a replacement spring for older trailers and measures 26 inches for eye to eye, center to center. If you are replacing the springs and hangers you will need to use the same center to center dimension as the original mounting brackets. These springs are designed for a 4,500 pound axle. If you are building a new trailer you will need to determine the weight capacity of the axle you will be using and order springs and...
    view full answer...

  • Recommended Leaf Springs For AL-KO T-44/D-44 Axle
  • The 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long # SP-218275 is not a direct replacement for your OEM springs, however it is a solid replacement option. These springs are rated slightly higher than your axle but if you have the same eye to eye measurement are a great choice I'd recommend for your application.
    view full answer...

  • Recommended Replacement Leaf Springs for Ranger Boat Trailer with 3000-lb Axles
  • It is tough to get a correct eye-to-eye measurement on a double-eye leaf spring when the spring is still installed in the suspension. It is much better to measure for a replacement leaf spring by removing it first. Also, if a spring is very old and well-worn it can actually become longer than it was when new. Years of use can cause a leaf spring to elongate by as much as 1/2 to 3/4-inch. In a 1-3/4-inch wide double-eye spring rated for a 3500-lb axle, we offer the 4-leaf # SP-210275...
    view full answer...

  • Leaf Spring Recommendation for 10k Trailer with 26-1/4 inch Springs
  • Your 10k trailer with dual axles is going to have two 5k rated axles (most likely). The only double eye spring we have that would match that capacity is the part # SP-218275 but it would be about an inch too short as it measures 25-1/4 inches. You should note that old springs typically stretch out around 1/4-1/2 inch as they flatten over time. Dimensionally the correct spring we have would be the part # SP-051275 as it is right at 26 inches. This is for a 4k axle though. Best...
    view full answer...

  • How to Select Replacement Trailer Leaf Springs for 5K Axles
  • Trailer leaf springs should always be replaced in pairs and selection of new springs should be based on the axle weight rating, the spring eye-to-eye length and the number of leaves in the spring. The linked articles on trailer suspensions will be of interest. The linked page displays all of our leaf springs, both double-eye and slipper types. You can use the filters on the age to select your axle capacity (I am thinking two 5K axles) to then see suitable-rated leaf springs. For example,...
    view full answer...


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Info for this part was:

Expert Research:
Jameson C
Expert Research:
Adam R
Installed by:
Cole B
Expert Research:
Jeffrey L
Written by:
Alexander C
Photos by:
Stacy F

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