1. Trailer Leaf Spring Suspension
  2. etrailer
  3. Shackle Links
  4. Spring Mounting Hardware
  5. 3-1/8 Inch Long
Shackle Strap - 3-1/8" Long

Shackle Strap - 3-1/8" Long

Item # TRSL313
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Trailer Leaf Spring Suspension
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TRSL313 - Shackle Links etrailer Trailer Leaf Spring Suspension
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Shackle link helps connect double-eye leaf spring to rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together allows the necessary pivot of the springs. Measures 3-1/8" from center of hole to center of hole. Lowest Prices for the best trailer leaf spring suspension from etrailer. Shackle Strap - 3-1/8" Long part number TRSL313 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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etrailer Trailer Leaf Spring Suspension - TRSL313

  • Shackle Links
  • Spring Mounting Hardware
  • 3-1/8 Inch Long
  • etrailer

Shackle link helps connect double-eye leaf spring to rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together allows the necessary pivot of the springs. Measures 3-1/8" from center of hole to center of hole.


Features:

  • Shackle link connects double-eye leaf spring to rear hanger of single-axle trailer or to equalizer of multi-axle trailer
    • Allows necessary pivot of springs for an evenly distributed load between axles and a smooth ride for trailer
  • 1 Shackle strap included


Specs:

  • Length (from center of hole to center of hole): 3-1/8"
  • Overall dimensions: 4-1/2" long x 1-1/4" wide
  • Bolt hole diameter: 9/16"


TSW 5208 3-1/8" Long Shackle Link

Replaces 115208 (SL-313) 3-1/8" Long Shackle Strap





Video of Shackle Strap - 3-1/8" Long

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of etrailer Trailer Leaf Spring Suspension - Spring Mounting Hardware - TRSL313

Today we'll be taking a look at the shackle strap. This is going to be the connection point between your double-eye leaf spring to the rear hangar on your trailer or to the equalizer on your suspension system. This is going to provide that pivot point for those components to work properly, and help to distribute the weight across your axles. That's going to help your trailer to move better, and distribute the weight over your suspension system.This strap is made of a steel construction. We'll go over some measurements. The distance from the center of one hole to the center of the other is about three and a quarter inches, or three and an eighth inches.

You can see there. The distance overall from end to end is about four and a half inches. The width is about one and a quarter, and the thickness is just under a quarter of an inch, about seven 32nds.It does come with a single shackle strap. The diameter of either of our holes is nine 16ths. And that's going to do it for a look at the shackle strap..


Customer Reviews

Shackle Strap - 3-1/8" Long - TRSL313

Average Customer Rating:  4.8 out of 5 stars   (125 Customer Reviews)

Shackle link helps connect double-eye leaf spring to rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together allows the necessary pivot of the springs. Measures 3-1/8" from center of hole to center of hole.

- TRSL313
by:

I replaced the equalizers, shackles, bushings, bolts, and nuts on an old trailer. Everything fit properly without modification. Product quality was excellent.


Comments
No problems to date. A coat of primer keeps the corrosion under control.
sam B - 06/25/2017



- TRSL313
by:

I am completely satisfied with service and the product that I purchased from etrailer.com. The measurements and specifications on the web site were complete and accurate. Shipping was prompt and the parts were packed more carefully than anything that I have purchased online. Installation of my replacement leaf springs went seamlessly which I really appreciated as I had to leave my broken trailer at my hunt camp and had limited tools to do the repair. I can't recommend etrailer.com highly enough. They are now my first choice in trailer parts.



- TRSL313
by:

This is a multiple product review. The long bracket are good. The shorter brackets are of the same good quality. The issue is using the short brackets with the shackles. The shorter brackets could be narrower so the shackle line up better with spring and other longer bracket. We used washers to make it align better. The greasing bolts are good, but could be longer. so we could only use 2 of the 6 and had to use normal grade 8 bolts.



- TRSL313
by:

I have bought several products from etrailer. Trailer fenders, spare tire brackets, tongue jack and retractable stern straps. I've ordered all my parts at different times and all of them have shipped and received to me in a short time. I will be ordering more parts from them on my next trailer project



- TRSL313
by:

good quality, awesome service, fast delivery, cant say enough about etrailer except if you are looking for every thing i just mentioned then etrailer is your place to go for all your trailer needs, BAM



- TRSL313
by:



- TRSL313
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- TRSL313
by:

I had a trailer spring break this summer on the way home from a 2,700 mile trip. Our small luggage trailer just couldn’t take anymore rough roads. One of the springs broke through the centering bolt. The etrailer.com website and Tammie P. came through with replacement springs and accessories. Thank you Tammie P. And trailer.com!



- TRSL313
by:



- TRSL313
by:

2 years ago I got behind a salt truck one snowy morning. It rusted out the u bolts and 1 shackle on my trailer. I measured what I needed and found exact replacement parts here. Prices, ordering and shipping were excellent. Best of the best. Thanks.



- TRSL313
by:



- TRSL313
by:

Loved the personal service and the help. I tried a few other sources before going online to order from etrailer. One place I tried was an online tool dealer, and their online site was a mess without help and so was a retail location. etrailer, was quick to find me exactly what I needed and got me fixed up in just a few minutes. From now on all my trailer needs will be fulfilled from etrailer!!!



- TRSL313
by:

Excellent prodects!! Replaced the springs, ubolts, and shackes on a 7 year old enclosed trailer. Well made products and the ease of doing business with was awesome! Super fast responce to questions as well!! Wish all online shopping was this easy.



- TRSL313
by:

I fabricate roll-out boat docks. I also fabricate light weight hinged shore ramps to make the transition from dock to shore. We weld 2 shackles at the end of a dock and the end of a ramp. We secure the ramp shackle to the dock shackle with a straight clevis pin and cotter creating a simple hinge effect. I like buying them in bulk vs a retailer that sells them in 2 paks and etrailer provides a good product at a fair price.



- TRSL313
by:

These shackles installed easily and were the exact same dimensions as the ones I replaced. The shackles are solid and appear to be sturdier than the ones I replaced. Ordering with etrailer was easy as they provided all the dimensions needed to order the correct shackles. Delivery was fast as well.



- TRSL313
by:



- TRSL313
by:

All the products I needed to get my utility trailer back on the road.



- TRSL313
by:

Quality product at a very friendly price.Rapid shipping.They are always my first choice for anything trailer.Thanks



- TRSL313
by:



- TRSL313
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- TRSL313
by:

Using etrailer.com has been a great experience. They have a huge selection of trailer parts and make it very easy to find the right parts. The packaging seems to have gotten alot better. Very sturdy box. It arrived within a few days from ordering which was a huge plus. I was able to get the job done sooner than planned. That kind of experience will keep me loyal to etrailer for any future trailer parts needs. Thanks guys and gals. Keep up the great work. As far as the parts, eveything was heavier duty than factory. Since I measured the old parts I was able to find the exact replacements for those parts. The job went so smoothly without any issues. These springs raised the trailer height without any load on the axles 1.5 inches. It was definitely time for new springs and hardware. Im kind of glad the one spring broke.



- TRSL313
by:

the product arrived quickly and new as promised. I was so impressed with the customer service personal. I needed help with size the associate I spoke with was so knowledgeable and helpful. I would recommend this company to anyone that is looking for trailer parts. Or any other product they may carry.


Comments
wonderful as it should
cindy k - 06/01/2017



- TRSL313
by:



- TRSL313
by:

I was so happy to be able to order the exact replacement shackle straps for my RV suspension system. This monster wasn't moving again until the repair was made. etrailer offered my replacement strap at a great price with fast delivery. Let's not forget excellent customer service, helpful videos and detailed product descriptions to ensure you get the right part the first time. Thank you etrailer staff for your excellent customer care. I'll be back when the need arises. Ed



- TRSL313
by:

Great products for a good price and fantastic service. I will be using etrailer again. I broke one spring on my tandem axle trailer. After a little internet search I found etrailer. I decided to change all springs(upgraded to p4)shackles,equalizers,n bolts) total price around $200.00 about 40 percent cheaper than a local trailer repair shop..I ordered it early on a Tuesday and I got the order on Wednesday. Changed out parts on Thursday and back on the road on Friday. Great company to deal with!!


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Show More Reviews

Ask the Experts about this etrailer Trailer Leaf Spring Suspension

  • Dimensions of TRSL313 Trailer Suspension Shackle Strap
    As you can see in the photo I've edited for you, the # TRSL313 measures 4-1/2 by 1-1/4 inches. The center hole to center hole spacing is 3-1/8 inches and the bolt holes themselves are 9/16 of an inch in diameter.
    view full answer...
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  • Thickness of TruRyde Shackle Strap # TRSL313
    I ran out to the warehouse, and pulled one of the shackle straps for you. When I measured it, I found that the TruRyde 3-1/8 inch shackle strap is .222 of an inch thick.
    view full answer...
  • Recommended Shackle Straps or Hanger Kit for Single Axle Trailer
    We have some kits like the Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 7/8" Rear # APS1 and the Single-Axle Trailer Hanger Kit for Double-Eye Springs - 3-1/4" Front, 1-1/4" Rear # APS4. You are correct that that bolting to your hangers on both ends is not correct, however the size of the shackle strap needed is determined based on your hanger length as you can see in these kits. So, the Shackle Strap - 3-1/8" Long # TRSL313 may or may not be a good fit based...
    view full answer...
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  • Should Shackle Straps Angle Towards the Axles or Away From Them
    In order for your trailer suspension to function properly you will want the angle of the shackle strap to be towards the axle so that as the leaf spring compresses and expands it will have somewhere it can go. Otherwise, you will not get the optimum performance from your trailer suspension. It may not be super dangerous, but if the suspension is not operating properly you could cause premature failure which might endanger yourself and other motorists. Check out the picture I attached that...
    view full answer...
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  • Does Shackle Strap Come in Quantity of One
    The Shackle Strap # TRSL313 does come in a quantity of one, so the price is for each individual strap. For a single axle trailer you will need a total of four shackle straps. I have added a link to a video review of this strap for you to check out as well.
    view full answer...
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  • Modifying Trailer Suspension to Gain Ground Clearance
    Doubling the capacity of your springs honestly won't gain you any more capacity. You'd still be limited by the capacity of whatever the lowest-rated component would be, whether it's the tires, hubs, spindles or axle. The higher capacity springs would make for a very stiff ride, and that's about it. Going with longer shackle straps won't gain you more ground clearance. If your springs are mounted to the underside of your axle, you can use a over under kit, and move them to the top of...
    view full answer...
  • How to Determine Trailer Suspension Hanger Location on Trailer
    What is the length of your leaf springs? Typically you put the hangers about 1/4 of an inch narrower than the length of the leaf springs from eye to eye when they are unloaded.
    view full answer...
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  • Should Tandem Axle Trailer Suspension Shackles be Replaced One Axle at a Time
    I'd recommend doing one axle at a time. Jack the trailer up by the frame on both sides and then jack the axle up to take the load off of it and then replace the shackles. Trying to do both sides at one time will be hard as the components will most likely have tension in them which will prevent them from from easily being removed and reinstalled.
    view full answer...
  • Replacement 6k Rated Leaf Springs with Cushioned Equalizers for Tandem Axle Trailer
    The 6-Leaf Double-Eye Spring for 6,000-lb Trailer Axles # SP-053275 that you referenced will work great on your trailer as it matches the capacity you need. The overall thickness of the spring pack is 2-1/4 inches which might be thicker than what you current have and could affect the height of the trailer. For a U-bolt kit you would need the part # APUBR-8 which is for the 6k axles like you have. The equalizers you have now are Equa Flex Cushioned equalizers so for a replacement set...
    view full answer...
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  • Can 2-1/2" Shackle Straps be Used for 2006 Innsbruck-Lite 26RB Suspension
    When it comes to shackle straps on a trailer suspension it really boils down to what looks correct. Since leaf springs and equalizers can be switched out (especially on older trailers), longer or shorter shackle straps can be used to help make sure everything is lined up correctly (see attached photo). As long as your suspension looks like that photo then it is perfectly fine to use 2-1/2" shackle straps like the part # 115052 which is 2-5/8" long. If your suspension doesn't look like...
    view full answer...
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  • Determining Correct Replacement Leaf Spring For Trailer W/ 3000lb Axles and 27" Long Springs
    The # SP-210275 you were looking at is for a 3500lb axle and is 27" long measured from center of spring eye to center of spring eye. This is the correct spring for your trailer based on the measurements you provided. The next shortest spring would be 2" shorter which would be much too short. For replacement equalizers we have the # TREQR89 which is 8" long and has a center hole of 9/16", or the # TREQR83 which is 9" long and has a 3/4" center hole. For replacement hardware you can...
    view full answer...
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  • Determining Which Equalizers, Shackles, and Wet Bolts Fit Trailer W/ Squeaking Suspension
    I would be happy to walk you through how to determine which replacement components you will need, but you will need to take a few measurements of the components on your trailer. First the # 013-144-03 you were looking at measures 7-3/4" from center to center of the horizontal mounting holes as shown in the included diagram. As long as this matches your current equalizers this would be a great replacement option. Moving on to the shackles you will need to measure center to center of...
    view full answer...
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  • Why Are Shackle Straps Hitting Frame When Re-Building Trailer Suspension
    The problem seems to be mostly that your shackle straps are hitting the frame, and the reason for this is almost certainly because the 3-1/8" Shackle Strap # TRSL313 you are using are too long. The other possibility was the hangers being too short but that is unlikely considering the lengths you gave. What I recommend is trying out the 2-5/8" shackle straps from the the # APT8 kit you have, as those are the typical length for a tandem axle trailer, while 2-1/4" straps such as # TRSL225...
    view full answer...
  • 3-1/8 Inch Shackle Straps for Road Armor Equalizer
    You can use longer shackle straps, but there are no separate 3-1/8" x 1/2" thick shackle straps we offer for use with the Road Armor Shock Absorbing Equalizer Kit # LC696740. The shackle straps of that length we carry are 1/4" thick, the Shackle Strap - 3-1/8" Long # TRSL313. So for thicker shackle straps, you would have to source them elsewhere if available, but I don't foresee that thickness making any type of impact for you, and the Road Armor kit along with the 1/4" thick shackle...
    view full answer...
  • Cushioned Equalizer with Bolts and Shackle Straps for 2018 Diamond Cargo Enclosed Trailer
    For the Equa-Flex Cushioned Equalizers # LC279688, the manufacturer lists the Lippert Components Tandem Axle Equa-Flex AP Kit - Wet Bolts - 3-1/8" Long Shackles # LC64FR as a related kit and that would be my recommendation. This is a great option, but you can alternatively use regular bolts like # TRFA73Z916DLNZ or wet bolts # 126B2 which will work better than the regular bolts. Then use regular shackle straps # TRSL313.
    view full answer...
  • Recommended Wet Bolts for Road Armor Equalizers and Slide Out Toppers for 119 and 141 Slide Out
    To answer the crux of the main question, you can use the Road Armor Shock Absorbing Equalizer Kit - Tandem Axle - Qty 2 # LC696740 on your trailer and you'll need to use some longer shackles to make up for the additional length of the new equalizer. If you've got a 2-1/4" shackle then likely going up to something like the # TRSL313 that is 3-1/8" would suffice for you; you won't need a full 2" because the shackles will sit at an angle to connect to the springs. Since you're also wanting...
    view full answer...
  • Can Equa-Flex Cushioned Equalizers Replace Longer Triangular Equalizers
    You can use the Equa-Flex Cushioned Equalizers # LC279687 as a replacement for your current equalizers, which are equivalent to the Triangular Equalizer # TREQ310 but you will need to replace your shackle straps as well. The reason for this is the Equa-Flex measures 5-1/2 inches wide while your current equalizer is 6-1/16 inches wide so longer shackle straps such as the Shackle Strap - 3-1/8" Long # TRSL313 would be needed, assuming your current shackle straps are the standard 2-5/8...
    view full answer...
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  • What are the Proper Components Needed to Install the Leaf springs On a Trailer
    Building a single axle trailer you will need the following items to install leaf springs. I have listed the part numbers for the PR626 Springs next to the items needed. 2 Springs - # SP-256275 2 Front Hangers - # 115917, 1-1/2 inch tall or # 28-5, 3-1/4 inches tall 2 Rear Hangers - # 30-20, with 1-1/2 inch or # 93003-3x, with 3-1/4 inch 4 Shackle Straps - # TRSL313 6 Shackle Bolts and Nuts - # 166081 These components are available in the following Kits. Single Axle Trailer...
    view full answer...
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  • Replacement Bushings, Eye Bolts, and Shackle Straps for a 1-3/4 Inch Wide Leaf Spring
    The prices are a reflection of factors such as demand, availability, cost, and several other variables. The nylon bushings are also the least cost effective component of the kit. Unfortunately, we do not offer the Never Fail Tandem Axle Suspension Upgrade Hardware Kit for Double Eye Springs part # LC281285 with 1-3/4" long bushings. If you have 1-3/4" wide leaf springs then you will want to piece your own kit together with the Never Fail Bushings part # LC279685, Shackle Bolt with Locknut...
    view full answer...
  • Can Tandem Axle Spring Hanger Spacing Be Increased to 30-1/4-Inches to Fit Larger 235/80R16 Tires
    For your 3-inch axles the normal spacing of the hangers included in the DexterTandem-Axle Trailer Hanger Kit is 29-1/2-inches. You can probably space them the 3/4-inches further apart, to a spacing of 30-1/4-inches, without too much impact on the suspension geometry. However, you may be able to compensate for this change by using longer shackle straps. The shackle straps supplied with the kit are part # 115052 which are 2-5/8-inches long. We offer part # TRSL313 from TruRyde. We...
    view full answer...
  • Replacement Shackle Strap Recommendation For Single Trailer Axle Suspension
    The shorter shackle straps that measure 2-5/8 inches long like part # 115052GALV are typically used on dual or triple axle systems. A shackle strap that measures 2-1/4 inches long like part # TRSL225 are usually found in a dual-axle kit. I have attached a photo of a shackle strap that shows where you should measure to make sure you get the correct length. Unless you are changing the springs, or other parts of your trailer suspension I would recommend using the same length strap when...
    view full answer...
    Image 1 for
  • Differences in the Redline Single-Axle Trailer Hanger Kits, # APS1, #APS2, and # APS3
    The APS1, APS2, and APS3 are all suspension kits for single-axle trailers with 1-3/4-inch double-eye springs. They are designed for use on trailers with single, 2,000-lb to 7,000-lb axles. The difference in the kits are in the rear hangers and the shackle straps. The Redline Single-Axle Trailer Hanger Kit, part # APS1, uses the Redline Rear Hanger, part # 30-20, which uses a steel bushing and is .91 inches tall. The shackle straps are the Shackle Strap, part # TRSL313, which are...
    view full answer...
  • Replacement Trailer Suspension Shackle that is 3-1/8 inches Long
    We have 3-1/8 inch long shackle straps as part # TRSL313 which would work well for you. We'd recommend keeping the same length as what you have and using these shackles instead.
    view full answer...
  • Recommended Suspension Components For Double-Eye Springs On Tandem Trailer
    We do not have any kits that have all the components with the dimensions you asked for. You can go a couple ways. You can choose to go with the kit you asked about, part # APT4, and then choose different shackle straps. You will need a quantity of 8 shackle straps. We do not have 3 inch shackle straps available. We do have part # TRSL313, that measures 3-1/8 inches center to center. The overall length is 4-3/8 inches. Or you can order the following components separately (2) 6-1/4...
    view full answer...
  • Shackle Straps for the CE Smith 3-1/8
    We currently have two shackle straps that will fit the CE Smith U-Bolt part # CE15502A. For this you can choose from the Shackle Strap part # TRSL313 or part # 115208GALV. Both of these shackle straps have a bolt hole to bolt hole measurement of 3-1/8" with 9/16" diameter bolt holes. The above u-bolt has a 7/16" diameter bolt therefore the above shackles straps will work for you but the bolt holes will be slightly larger, 1/8" to be exact. The only real difference between the two shackle...
    view full answer...
  • Limited Tire Clearance with Stock Tire Size on a 2006 Forest River Cherokee 27Q
    We recommend having a minimum of 3" between the top of the tire and bottom of the fender in order to allow for proper suspension travel. However, based on the photo you sent I believe you need new leaf springs as the ones you have appear to be almost completely flat. This has then compromised your tire clearance. The flattened leaf springs could either be a result of overloading the trailer or just general wear. In order to replace them you would need to know your axle capacity and...
    view full answer...
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  • Replacement Equalizer for Desert Fox RV with Tandem Axle Trailer
    We do not offer equalizers that measure 7-1/8 inches long and 4 inches tall, but we may have a solution for you. Based on your information, you can use the TruRyde 4 inch tall triangular equalizer # TREQ310. This equalizer measures 6-1/16 inches long and 4 inches tall. You will want to measure the shackle straps you currently have. If you have shackle straps that measure 2-5/8 inches center to center you can use 1/2 inch longer shackle straps like part # TRSL313. These shackle straps...
    view full answer...
  • How To Raise A Tandem Axle Trailer 3 Inches
    The longest shackle strap we offer is part # TRSL313 which measures 3-1/8" long center to center. In order to replace all of these on a tandem axle trailer you would need eight of them. However, as previously mentioned this will not raise the trailer. If you were to install a longer shackle strap than what the leaf springs and equalizers were designed to be used with it could then create binding issues and potentially cause the leaf springs to make contact with the bottom of the trailer....
    view full answer...

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Zack K
Video Edited:
Zack K
Employee Kathleen M
Video Edited:
Kathleen M
Employee Lindsey S
Written by:
Lindsey S
Employee Cole B
Installed by:
Cole B

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