Shackle Strap - 3-1/2" Long

Shackle Strap - 3-1/2" Long

Item # TRSL350

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Trailer Leaf Spring Suspension

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TRSL350 - Shackle Links TruRyde Spring Mounting Hardware
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Videos


  • Spring Mounting Hardware
  • Shackle Links
  • 3-1/2 Inch Long
  • TruRyde
3-1/2" Long shackle link connects double-eye leaf spring to the rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together instead of bolting them directly allows for the necessary pivot of the springs. Lowest Prices for the best trailer leaf spring suspension from TruRyde. Shackle Strap - 3-1/2" Long part number TRSL350 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (67)
  • Q & A (25)
  • Videos (1)
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  • Why etrailer?

TruRyde Trailer Leaf Spring Suspension - TRSL350

3-1/2" Long shackle link connects double-eye leaf spring to the rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together instead of bolting them directly allows for the necessary pivot of the springs.


Features:

  • Link connects double-eye spring to rear hanger of single-axle trailer or equalizer of multi-axle trailer
  • Connection allows movement to take place, ensuring an evenly distributed load between axles


Specs:

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


Dimensions

SL-350 TruRyde 3-1/2" Long Shackle Link





Video of Shackle Strap - 3-1/2" Long


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




Video Transcript for TruRyde Trailer Suspension TRSL350 Review

Speaker 1: Today we're taking a look at a 3 1/2 inch long shackle strap. This shackle strap connects a double eye spring to a rear hanger on a single axle trailer or to an equalizer on a multi-axle trailer. It simply allows the appropriate movement to take place. It's made from durable steel with protective finishing to keep it safe from rust and corrosion. Shackle strap lengths are measured from the center of one mount hole to the center of the other.So if we place a ruler on there, you can see that center on center, we get a measurement of 3 1/2 inches. And if we take a measurement of the overall length, measuring edge to edge we get a measurement of 4 3/4 inches.

Edge to edge going this direction is an inch and a quarter. Thickness is 3/16 of an inch thick. And then the bolt hole diameter for each one is 9/16 of an inch. That's going to do it for today's look at the 3 1/2 inch long shackle strap.


Customer Reviews

Shackle Strap - 3-1/2" Long - TRSL350

Average Customer Rating:  4.9 out of 5 stars   (67 Customer Reviews)

3-1/2" Long shackle link connects double-eye leaf spring to the rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together instead of bolting them directly allows for the necessary pivot of the springs.

- TRSL350
by:

It was easy to order the parts, they came as predicted and it was an easy installation. Thanks for having the 3.5" shackles available when I needed them. 329983


Comments

You are the first person or company that has asked how things worked out after use for some time. What an exceptional idea and likely good for understanding any real issues with the item. In this case the shackles gave me the extra 14 ground clearance that I needed and I have had no more problems with tires hitting the fender on off road driving. They were install on a small 10 home made enclosed trailer.

wpg - 01/06/2018

32626

- TRSL350
by:

Purchased replacement springs, equalizers, shackles and all the needed hardware to put it all together for my tandem axle boat trailer. While I was trying to figure out all the parts I needed on-line, I made a couple calls to etrailer's customer service and they were awesome! Parts arrived quickly and are exactly what I needed. I put together one of the spring / equalizer / spring set-ups and placed it on the trailer frame to confirm fit. Perfect! Looking forward to swapping all the parts out this weekend. And I'll be shopping with etrailer again soon to get a trailer hitch for my new Durango! Thanks etrailer! 548556



- TRSL350
by:

Although it's uses are for trailer shackles, I have used them to hold together a leaf pack. Really EXCELLENT & QUALITY MADE, would totally buy for other projects that need this product. 552418



- TRSL350
by:

Needed to raise my frame on a pontoon trailer for a little more tire to fender clearance. Going from a 2" shackle strap to this 3 1/2" worked perfect. Good quality and shipped fast. 261519



- TRSL350
by:

Just what I ordered. Haven’t been able to remove old straps yet. Seem to be seized up (bolts). New straps should work well once I get the time to finish the removal of old ones. 636888



- TRSL350
by:

The product was good quality. But I did not use them because my thinking was incorrect. Had I installed them I would have gotten LESS tire clearance instead of more. 615003



- TRSL350
by:

great 598381



- TRSL350
by:

Everything would be great but the post office lost the product and delivered a empty package. I called them and they said it most likely fell out when it went threw the machine. I did receive my other order with no problem thank you. 579080



- TRSL350
by:

Product as listed. Fast delivery. Needed to raise trailer a little in rear. Hope this does the trick. 571856



- TRSL350
by:

Just what I wanted 552565



- TRSL350
by:

Product as described. Fast delivery. Thank you! 549011



- TRSL350
by:

This worked perfectly as I needed an additional inch of clearance between my fender and tire. My fender was not able to be moved higher and I didn't want the height that an axle spring flip creates. My old straps were just over 2" and this gave my exactly one inch of rise. 475032



- TRSL350
by:

Well made. 474333



- TRSL350
by:

The old and new. Got over 12 years from the first ones. 458875



- TRSL350
by:

Even with the product taking almost a month to arrive I gave Etrailer 5 stars... UPS lost my package and never admitted to it saying that it was USPS’s fault. Karen, at Etrailer, was very helpful with contacting UPS to try and figure out what happened, and ultimately re-shipping the items. After they arrived, they bolted directly to my existing enclosed trailer with no problem. Thanks again Karen! 455507



- TRSL350
by:

great replacement parts 445839



- TRSL350
by:

As advertised, thanks! 434542



- TRSL350
by:

Worked great 408438



- TRSL350
by:

Long length straps help with keeping the axle further from the trailer frame 399853



- TRSL350
by:

Great product great company. 346686



- TRSL350
by:

The spring shackles that I ordered from Etrailer a year ago are holding up just fine and have met my epectations 337000



- TRSL350
by:

GOOD 330337



- TRSL350
by:

Great product, work like a champ. Excellent machining standards allowed for easy install. End result is more clearance in the wheel well. 329152


Comments

Work great, hauled many heavy loads with no issues . Recommend

Kelly - 01/01/2018

32480

- TRSL350
by:

all parts were as you said they would be, and fit perfect thanks again! 328222



- TRSL350
by:

Product works great 326152



- TRSL350
by:

Just what I needed. Fast shipping and great customer service. Highly recommended 320639



- TRSL350
by:

Quality product, worked great 313018



- TRSL350
by:

Good 310254



- TRSL350
by:

New Spring Shackle kit fit perfect Works great! Would recommend 309599



- TRSL350
by:

The shackle strap was as represented and was a quick ship. Good price. Very satisfied with the product 301422



- TRSL350
by:

Quality parts. Prompt service, thank yo u. 284808



- TRSL350
by:

Bought these to raise the trailer a touch. Easy to install. Fast shipping & response. Also bought new bolts 7 locknuts. Bought new bushings just in case but didn't need them. Well satisfied with my purchase. 280978



- TRSL350
by:

Products as advertised, excellent quality. Arrived on time! Worked great! Thanks! 280730



- TRSL350
by:

Just what I ordered. Fast service. Thank you!! 268683



- TRSL350
by:

I needed a shackle strap that was slightly longer to enable the tires to clear the fenders better. This one worked great. 263768



- TRSL350
by:

Just as described. Only need to be pain ted. 261165



- TRSL350
by:

2 different items, both items as described. very fast service, even with shipping this was much cheaper than buying locally. Thanks, 253967



- TRSL350
by:

Excellent sizing and fit. 237919



- TRSL350
by:

I expected these to cost more. I was very happy with the price, and the delivery time was well within expectations. 232138



- TRSL350
by:

These are very solid steel. But I didn't order them to use as spring shackles, but for steel straps such as for the bottom side of a U bolt. I also needed to replace a tongue jack mounting bracket but didn't want to buy an entire mounting kit (as suggested by an etrailer "expert") so I used this instead. You can see by the attached photo that they do a better job of mounting the tongue jack by not hanging down below the trailer tongue as the factory brackets do. But they do need to be painted--which is no problem since the zinc coated ones would also need paint eventually (unless you don't mind the rust). I bought several in various sizes for mounting stuff to my trailer tongues and for other projects. 224839



- TRSL350
by:

Looks great, but not installed yet. 221889



- TRSL350
by:

Etrailer is the best....knowledgeable and helpful. ...the best in the business 221454



- TRSL350
by:

Arrived on Monday and I installed on Tuesday morning. First time I ever tried doing something like this. I was pleased with the parts I ordered. Quality was great. Saved myself 400$ doing it myself. :) 216764



- TRSL350
by:

what would be a great help for this "senile citizen" is a reminder that pops up on this item and says "are you sure you want just ONE pair ??? usually TWO pair are purchased for a single axle trailer" .. oh well I can just go down the road with a trailer that has a slight list to one side :-) all kidding aside, the item looks sturdy and well made, great price ! 212776



- TRSL350
by:

All items received on time and appear to be of quality material. Prices were excellent; best I could find. Install videos are a great idea. And customer assistance is very helpful when calling and asking questions; they actually will research the answer to make sure it is correct, or as correct as humanly possible. 196868



- TRSL350
by:

Etrailer.com has made the repair of my trailer very easy for me by supplying me with high quality parts at reasonable prices. They packaged the parts carefully and shipped quickly. I will no longer look anywhere else when I need trailer parts. This is a one stop and shop great place to do business. Thank You Etrailer, Dave 189159



- TRSL350
by:

GREAT PRICE 176648



- TRSL350
by:

High quality shackle straps would buy from again also fast shipping and great customer service 163492



- TRSL350
by:

Everything was what was expected and the delivery was on time. I will always look to etrailer for my trailer parts. I built a trailer from scratch and it was etrailer that helped build it. 148621



- TRSL350
by:

product was great problem was as I measured 3 1/2 and needed 2 1/2 I would have reordered but I needed to get job done...so it cost me $10. at tractor supply.....my bad...the bolts were fine tho and now I am back on the road.... 140346


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Show More Reviews

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


  • Recommended Suspension Enhancement For Lift On 2004 Weekend Warrier Toy Hauler LE 3105
  • You are on the right track. The Equa-Flex Cushioned Equalizers - Double Eye Springs - Tandem Axle - 6K to 8K # LC279688 will give you a suspension enhancement and give you a little bit of a rise. With this system you will need 14 wet bolts # 126B2 (8 for shackle straps, 2 for equilizers, and 4 for springs) so you are right on that. These are compatible with the # SP-053275 leaf springs. It is recommended that you tack weld your axle where the springs ride when you flip the axles, so...
    view full answer...

  • Hangers to Use with Leaf Spring SP-212275
  • The spring you ordered # SP-212275 would work well with the hangers # 115917 and # 30-20 with shackle straps # TRSL350. These parts are very similar to what comes with the # APS1 which is what is recommended with the springs you ordered. Only thing else you might need is the shackle bolt part # 166081. The distance between the hangers would need to be 24-7/8 inches.
    view full answer...

  • Measurements of CE Smith U-Bolt CE15260A
  • I went out to the warehouse and pulled u-bolt # CE15260A to measure it. The inside width is 3-1/2 inches. The center to center width is 3-7/8 inches. And the outer width is 4-1/4 inches. The inside height is 6 inches. The overall height is 6-3/8 inches. The shackle link # TRSL350 would not work because the hole spacing is too short at 3-1/2 inches. You would have to either bore out the holes some or bend the u-bolt to fit. We do not have a specific plate that would work or that has the...
    view full answer...

  • Recommended Shackle Straps and Bolts for 7K AL-KO Axles on Moritz Dump Trailer With 7-3/4 Equalizer
  • For your shackle straps, I recommend the 3-1/2 inch # TRSL350 and for your bolts the Wet Equalizer Bolt with Locknut and Grease Zerk for Double-Eye Springs - 3" Long # 126B2. These bolts have the zerk fitting to allow you to add grease for better movement and less noise. If you prefer basic bolts, then I recommend # 166081.
    view full answer...

  • Are Shackles Supposed To Move Freely and Can They Flip The Wrong Way
  • The shackles on suspension systems like part # TRSL350 are designed to be fairly loose because the equalizer on your trailer suspension needs to be able to move without binding. The best thing to do when tightening down shackle bolts is to use lock nuts, tighten them until they are snug, then back them off 1/4 turn. It is possible that the shackle can flip into the wrong direction however most of the time putting weight on the trailer is enough to correct it or you can jack up the trailer...
    view full answer...

  • Replacement Trailer Equalizer that is 6-1/16 inches in Length
  • The closest equalizer we have to what you said you need is the part # TREQ310 that is 6-1/16 inches long and 4 inches tall measured on the hole centers of the equalizer. For bolts you would want the part # 126B2 and then for the shackles part # TRSL350.
    view full answer...

  • Fender Clearance Problem on a 3,500 Lbs Tandem Axle Trailer with Double Eye Springs
  • It sounds like you definitely need to make a change in the trailer suspension. Longer hangers may help but, if the springs are worn out, changing the hangers would not fix the real issue. Installing longer shackle straps would make the issue worse. Shorter shackle straps would not allow the suspension to work properly either. Check the shackle straps for wear, these are commonly the most worn parts on a trailer suspension, followed closely by the springs. If the holes in the shackle...
    view full answer...

  • Selecting Replacement Shackle Straps for 30-Foot Toy Hauler Trailer
  • Shackle straps are the most wear-prone part of a trailer suspension since they both carry weight and receive constant friction from the motion of the suspension. Shackle straps do not carry specific weight capacities, unlike the leaf springs they suspend. To select replacements all you need to do is match their length. Shackle straps are available in three lengths, 3-1/8-inch (single axle systems), 2-5/8-inch (tandem and triple axle trailers) and 2-1/4-inch, the most common length for...
    view full answer...

  • Are Longer Shackle Straps Available to Replace the Ones In Trailer Suspension Hanger Kit AP233-H248
  • The shackles including with trailer suspension hanger kit # AP233-H248 are 2-1/4 inches long measured from the center of one hole to the center of the other. The overall length is 3-1/2 inches. The longest shackles we have are 3-1/2 inches long (measuring between the holes on center) at 4-3/4 inches long overall, # TRSL350. I have included a link to the shackle straps we carry. There are several lengths available. If you just need the shackle straps and equalizers you could get them...
    view full answer...

  • Availability of Trailer Suspension Shackles that are 3-1/2 inches Long
  • We only have the # TRSL350 for a shackle that is 3-1/2 inches long from hole center to hole center. Typically these don't wear out as quickly as you described. Are you tightening the shackle bolts really tight which is causing added friction possibly? There is no specific torque rating for shackle bolts. You'll want to ensure that the bolts you use are long enough so that when installed you will have at least 2 threads protruding from the nut. Make sure that the bolt you're using has...
    view full answer...

  • What U-Bolt Will Fit The Shackle Strap Part # TRSL350
  • I do have a U-bolt that will work with the Shackle Strap part # TRSL350. In order to mount a u-bolt to this bracket you will need the CE Smith U-Bolt part # CE15260A. The dimensions of this bolt are 6" long x 3-1/2" wide x 3/8" diameter. Although it is not 5" tall/long, it is the only u-bolt we have available 3-1/2" wide.
    view full answer...

  • How to Gain Ground Clearance for a Travel Trailer that Hits the Driveway When Entering or Leaving
  • There are a couple different ways to raise the ride height of your trailer, but before we choose the best option for you, we will want to take a look at a few things. First, it sounds like you are not towing with your trailer level so you do not hit your ball mount on the driveway. A trailer that is not level can create many problems such as ground clearance and trailer sway. If you have any sway control issues with your trailer, then I would recommend moving your leaf springs above...
    view full answer...

  • Recommended Ways To Raise Height Of Small 4 X 8 utility Trailer
  • Since you do not want to use an over/under kit on your axle, the best way to raise the trailer would be to use longer hangers for the leaf springs. You may be able to use a hanger like part # E4139. This hanger is designed for double-eye springs and is 4-1/4 inches tall. The old hangers will need to be cut off and the replacement hangers welded on by a professional. I have attached a link to our product page for the trailer hangers we offer you can check out. If your axle measures...
    view full answer...

  • After Replacing Equalizers and Hangers on Triple Axle Trailer, Tires Are Rubbing
  • The taller hangers are likely causing additional suspension travel which is causing the tires to rub. It is something that will need to be corrected. First, the new equalizers you installed are shorter than the originals. If you do not compensate for the shorter distance with either longer springs or shackle straps, that is likely the root cause of the problem. Also if you did not increase the hanger height equally for all hangers, then that will throw things off as well. You could...
    view full answer...

  • Tandem Axle Hanger Kit With 7-Inch Equalizers and 4-1/2-Inch Hangers
  • We offer a Tandem-Axle Trailer Hanger Kit for Double-Eye Springs from Redline, part # APT8, that includes 7-3/4-Inch long curved equalizers and both 4-1/2-inch and 2-1/2-inch tall hangers. The shackle straps in this kit are 2-5/8-inch long measured from hole center to hole center, but we do offer longer shackle straps as separate components. For example, part # TRSL350 is a 3-1/2-inch strap (measured eye to eye) and 4-3/4-inches overall. I have included a link to our main page for trailer...
    view full answer...

  • Availability of 3-1/2 Inch Long Shackle Strap
  • We do have the TruRyde Shackle Strap # TRSL350, which measures right at 3-1/2 inches from the center of one hole to the center of the other. Its overall length is 4-3/4 inches and it is 1-1/4 inches wide. The bolt hole diameter is 9/16 inches. If you instead are looking for a shackle strap with an overall length closer to 3-1/2 inches, we have the TruRyde Shackle Strap # TRSL256. This measures 3-7/8 inches long and 1-1/4 inches wide. From the center of one hole to the center of the other,...
    view full answer...

  • How to Gain Trailer Ground Clearance
  • There are ways to increase ground clearance on a trailer, but you can't flip the shackles to do that. You can do this by moving the axles from being above the leaf springs to below the leaf springs. The diameter of your trailer axle will determine the size of the parts that you will need to order. If your axle is 3 inches diameter, the Dexter Trailer Springs Over-Under Conversion Kit, # K71-385-00, would be a great choice and if your axle is 2-3/8 inch diameter you could use the Over-Under...
    view full answer...

  • Can an EZ Flex Equalizer Replace a Shorter One on a Trailer
  • Left to right the EZ Flex Equalizer part # K71-654-00 matches up perfectly as it has a range of 5-1/4 inch to 6-1/4 inch. The height will be a little bit taller as it sits 5-5/8 which will be 1-1/8 inches taller than what you have. To compensate for this you can go with a taller shackle so that the spring gets carried at the same height. You would need to measure your current shackles and then check out the link to the page I attached that has all of the shackles we carry. You would...
    view full answer...

  • Recommendation For Keeping Shackles From Flipping Up On Uneven Terrain
  • Longer hangers will not prevent the shackles from flipping. If this has always happened or if the springs are new then they are too short. If it happens only when your trailer is empty then not enough weight/tension to keep shackles in place so they flip. This happens normally when the trailer is unloaded. If this is a new/recent occurrence then something-shackle straps, equalizer holes, etc- has worn out and needs to replaced. If it's a shackle issue, you will need to measure from...
    view full answer...

  • Fender Placement Consideration When Upgrading Axles on Trailer
  • Fender placement is going to depend on the specific application. There isn't a set amount you would need to move it when going to higher rated axles. You will need to consider the taller rims and tires you will be using plus the deflection of the suspension when it compresses. In most cases spring deflection is 1-1/2 inches when it is at capacity. You should note that when going to higher rated axles you don't necessarily raise the total capacity of the trailer. The capacity of a...
    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...

  • Replacement Trailer Springs and Shackle Straps for EZ Loader Boat Trailer
  • We carry 4 double-eye springs that are 26 inches long. I've linked our selection for you to check them out and choose the weight capacity you need. Shackle straps that are 5-1/4 inches center on center is very long. The longest we carry is only 3-1/2 inches, part # TRSL350. I recommending replacing the ones you have with shorter straps.
    view full answer...

  • Thickness of Shackle Strap part # TRSL350
  • The thickness of the shacke part # TRSL350 is 1/4 inch.
    view full answer...

  • Replacement Shackle Links For Boat Trailer
  • The longest shackle straps we offer are part # TRSL350, and those measure 3-1/2 inches hole center to hole center. For more clearance you may want to install longer hangers. Although these may be a lot more work because you would have to remove the old hangers and then weld new hangers in place, they may give you the length you need to move the wheels away from the fenders. I have attached a link to out product page of the hangers we offer. You can use the menu at the left of the page...
    view full answer...

  • Should 2-1/4 Shackle Straps with New Suspension Kit be Used Instead of 3-1/2 Current Straps
  • The 1/4" shorter equalizer in the Dexter Heavy-Duty Suspension Kit # K71-359-00 will be just fine but you are correct that you don't want to use shorter shackle straps as well. You can either reuse your old ones if they are in good shape or use the 3-1/2" Shackle Strap # TRSL350 instead. It would be a good idea to just use new straps since you are changing out suspension parts anyways.
    view full answer...


Do you have a question about this Trailer Leaf Spring Suspension?




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Info for this part was:

Photos by:
Theodore B
Video Edited:
Zack K
Written by:
Lindsey S
Expert Research:
Robert G
Expert Research:
Jameson C
Expert Research:
Adam R
Installed by:
Cole B
Expert Research:
Jeffrey L

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