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Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center

Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center

Item # APT8
Our Price: $90.66
Trailer Leaf Spring Suspension
Shipping Weight: 20 lbs
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Leaf-spring mounting kit includes 2-1/2" tall front hangers, 4-1/4" tall center hangers, 2-1/2" tall rear hangers and necessary hardware. Equalizers are 7-3/4" long. Components for mounting axle to springs sold separately. Great Prices for the best trailer leaf spring suspension from etrailer. Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center part number APT8 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (104)
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  • Videos (1)
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etrailer Trailer Leaf Spring Suspension - APT8

  • Hangers
  • Suspension Kits
  • Boat Trailer
  • Camper
  • Car Hauler
  • Snowmobile Trailer
  • Utility Trailer
  • Double Eye Springs
  • Tandem Axle
  • etrailer

Leaf-spring mounting kit includes 2-1/2" tall front hangers, 4-1/4" tall center hangers, 2-1/2" tall rear hangers and necessary hardware. Equalizers are 7-3/4" long. Components for mounting axle to springs sold separately.


Features:

  • Attaches 4 leaf springs (sold separately) to your trailer frame
  • Includes:
    • (4) 2-1/2" Tall hangers
    • (2) 4-1/4" Tall hangers
    • (2) 7-3/4" Long curved equalizers
    • (8) 2-5/8" Long shackle straps
    • (14) 3" Long x 9/16" diameter shackle bolts
    • (14) 9/16" Diameter locknuts
  • Designed for use on trailers with tandem, 2,000-lb to 7,000-lb axles
  • Does not include components for mounting axle to springs


TSW-S6 Tandem Axle Hanger Kit - 1.75" Double Eye Springs - 2,000 lbs to 7,000 lbs

Replaces APT8





Video of Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center

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 - APT8

Hello, everybody. This is Jeff at trailer.com. Today, we're gonna take a look at the tandem axle trailer hanger kit for double-eye springs. Now, this hanger kit will allow you to attach four leaf springs to your trailer frame. Now, the leaf springs we do sell separately on our website. This kit will basically include everything laid out here on the table.

It includes all the hangers you need, the equalizers, the shackle straps, the shackle bolts, and the shackle nuts all included. Now, this is designed for use on trailers that have tandem 2,000-pound to 7,000-pound axles. And it does not include the components for mounting the axle to the springs. Now, we're gonna go through all these just to show you the size of 'em. We'll start with, let me just zoom in a little bit here and we're gonna measure 'em.

We'll start with the front and rear hangers, that'll be the smaller. There's four of those. And basically, these are 2 1/2 inches tall, and when you measure the hanger, a hanger is always measured from the top to the center of this bolt hole down here. So if we put a ruler on it from the center to the very top, it's gonna be right at 2 1/2 inches tall. And again, that's for the two front and the two rear hangers.

Now, the two taller ones, those are the center hangers that the equalizers will connect to. Those, the same way you measure from the center of this hole to the top. So if we put a ruler on it, you're gonna be right at 4 1/4 inches tall for the two center hangers. Now, the equalizers, there's two of those right here. These are curved equalizers.

And again, the length of 'em will be measured center of this hole to the center of this hole. So if we put a ruler on it, there's your 7 3/4 inches length for the curved equalizers. The shackle straps, there's eight of those. Those again, center to center on the bolt holes. So if we measure it, it's right at 2 5/8 inches long on the shackle straps. The shackle bolt comes with 14 of those. Those are gonna be three inches long and they're measured from the bottom of the head to the end of the bolt. So there's your three-inch measurement. The diameter on these bolts are 9/16 of an inch, and then it comes with the 14 9/16-size diameter lock nuts. But that should do it for the review on the tandem axle trailer hanger kit for the double-eye springs..

Customer Satisfaction Score:


Customer Reviews

Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center - APT8

Average Customer Rating:  4.6 out of 5 stars   (104 Customer Reviews)

Leaf-spring mounting kit includes 2-1/2" tall front hangers, 4-1/4" tall center hangers, 2-1/2" tall rear hangers and necessary hardware. Equalizers are 7-3/4" long. Components for mounting axle to springs sold separately.

by:

Order received was missing significant pieces as per my notification to customer service. Looks like all parts, nuts bolts flanges were all packed loose in the box, UPS destroyed the package and reboxed, resulting in missing items. Attached picture is what I received.

Etrailer Expert

Katrina D.

10/28/2023

I am sorry to hear that your kit came missing some pieces. I see that our customer service department is working on getting your missing pieces shipped out to you right away. I would love to hear your updated feedback once you get the kit installed.



by:

The kit did not come with the shackle straps in the description and was short one nut.

Etrailer Expert

Brooke M.

8/28/2023

Oh, goodness! I am sorry to hear it arrived missing pieces. I have already sent your information to our customer service team and they will be reaching out to you.



by:

This kit made it easy to redo the spring location on a used trailer I bought. Also good quality kit



by:

Glad I chose etrailer for my purchase will definitely buy from them again, I had a old boat trailer that was given to me from a friend will convert the boat trailer into a BBQ concession trailer later with heavier axles and springs now using the axles and springs from that trailer to the new one for my UDS smokers, I have 5 of them to mount to the new one making them dedicated to that trailer.



by:

Great tandem axle kit.



by:

Everything was what I expected. They look heavier built than the others I looked at. Everything was packaged well and shipped fast.



by:

Great fit for my build , I shifted the axles back on my utility trailer and these hangers worked out fine with my original leaf springs.



by:

I ordered the parts on a Sunday and they were on my doorstep Tuesday afternoon, I got exactly what I ordered and I am pleased with the product.



by:

Received what I ordered and matched up as expected. I don’t think anything more needs to be said.



by:

I ordered this on a sunday and needed it before the next weekend so I paid for expedited shipping. By Wednesday it had still not shipped so I called the customer service line. After waiting on hold for almost 30 min. I was told it would ship out that day and I would have it by Friday or Saturday at the latest with the expedited shipping. I didn't receive the package until the following Tuesday. The parts themselves are what I expected but the customer service sucks. If you are needing something soon just buy it local, don't waste your money trying to get it quicker by paying for faster shipping from etrailer.

Etrailer Expert

Brooke M.

5/13/2022

Thank you for letting us know. I have sent your information along to our customer service team.



by:

Not sure if thisis correct item

Etrailer Expert

Jenny N.

11/3/2023

I would love to help make sure that this is the kit for you. Are you replacing worn out suspension parts or building a new trailer? If you are replacing the parts you would want to measure the existing ones to match them.



by:

Customer service and tech support were great to work with. Fast shipping!



by:

Excellent customer service!! Great product that fit perfect



by:

Worked for my application!



by:

Showed up on time. Everything fit good. Had good customer service with good information.

Steven S.

4/17/2023

All working good. No problems.



by:

Perfect replacements for rebuilding the suspension on by boat trailer! Excellent quality parts very well made with exact fit!

This is my first time using etrailer but it certainly will not be the last!!



by:

They work but the hanger brackets were thinner than my existing ones on my trailer so these are inferior to the OE I had to replace when I added an axle



by:

Hi quality parts !!



by:

Purchased a trailer that looked real good, after a couple months when I was getting ready to install brakes and paint the frame, I noticed the suspension really needed rebuilt. Ordered hangers, equalizers, and new leaf springs. Everything came fairly quickly, unfortunately in transit 2 of the 4 leaf springs got lost, but were immediately shipped/replaced by the company. Great customer service, great help with anything you may have questions with. Appears to be great quality material so far. I will maintain to use etrailer for any of my trailer needs.



by:

light weight junk !! says my boat trailer Mechanic.
i ended up throwing the parts away and buying heavy duty parts so that my 62 year old self ain't strainded on the interstate with a busted trailer again on a Sunday where nobody is open for you to get any service to a boat trailer. a real bummer.

jay d

Etrailer Expert

Sierra K.

9/20/2021

This kit is designed for use on trailers with tandem, 2000lb to 7000lb axles. I understand if you would like something that holds a higher capacity.



by:

The parts work like the original.



by:

I am very pleased with the Loaded backing plates, drums, bearings and tandem axle hanger kit. All appear to be better quality than what came on the trailer originally



by:

I bought this kit to replace the equalizers and shackles on my tandem axle trailer. Buying the kit from etrailer was cheaper than buying the parts locally including shipping.



by:

Parts came quick, great price, easy to find.



by:

Excellent value. Hangers and straps are basic stamped and punched pieces, but accurate and functional. Equalizer is sturdy.


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Show More Reviews

See what our Experts say about this etrailer Trailer Leaf Spring Suspension

  • Troubleshooting Trailer Shackles that Reverse on a Trailer Over Bumps
    The equalizer on your trailer suspension needs to be able to move, you might have leaf springs that are too short or your spring hangers are too far apart. Typically when people have this problem the solution is to have the spring hangers brought in closer together.
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  • Troubleshooting Trailer Equalizer that Tilts to One Side
    Normally if the equalizer is tilted like what you have typically it's because the trailer is not sitting level. The side tilted up is typically pointed down towards the ground. It's hard to see in your picuture but it almost could be the case based on the angle of the frame and the ground in the background. Otherwise it indicates that either a leaf spring is too long or the center hanger is not properly located. I'd try measuring the distance between all of the hangers on one side of the...
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  • What Are The Two Upper Holes In Short Hangers In Tandem-Axle Trailer Hanger Kit APT8 For?
    I am happy to help! Starting with the two holes in the shorter hangers included in the Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center # APT8 you were looking at. Those holes are not for bolting but instead are for plug welding the hanger to the frame if you choose. You could also just have the hanger welded all the way around. Moving on to the equalizers. The length of the equalizer are from center of one horizontal hole to the center of the other...
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    Image 1 for
  • How to Determine Hanger Spacing on a Tandem Axle Trailer
    It depends on the leaf springs you are using. Basically you will need to mock it all up before permanently installing anything on the trailer. Generally speaking the distance between hangers would likely be 24-3/4 inches on center to 29-1/2 inches on center but again it depends on the springs being used. These are just rough guide lines and really the only way to get the right spacing for a given trailer is to mock everything up and adjust as needed. Also, even though you asked about hanger...
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  • Can a Cattle Trailer With 7,000Lb Torsion Axles Be Converted To Leaf Sprung Axles?
    The Tandem-Axle Trailer Hanger Kit for Double-Eye Springs # APT8 can be used on your cattle trailer if you are changing from torsion springs to leaf spring axles. I can help you find the correct axles, hubs, brakes, leaf springs and any additional components you will need if you can provide me the frame measurements, axle hub face spread, wheel spacing front to rear. I have linked a help article below that will help cover all the parts that will be needed.
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  • How Tight to Get Shackle Bolts on Trailer Suspension
    Yes when tightening the lock nuts of the shackles of the trailer suspension kits you want to tighten them down to the point that the bolt goes all the way through and the head is flush like you said. The nut only needs to be that tight as the suspension needs to be able to move without tension.
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  • Solution for Slowing Corrosion Development on Trailer Suspension Comonents
    This may seem silly but if you spray a lubricant like WD40 on the metal surfaces after cleaning them the oil will inhibit the ability of the water to contact the metal. Similar to how keeping a bike chain lubricated allows it to prevent rust development. But if you are dipping the trailer in salt water rust is basically inevitable.
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  • Tandem Axle Boat Trailer Hanger Kit For Use With Salt Water
    The hangers that come with the Tandem-Axle Trailer Hanger Kit # APT8 are going to be bare steel since they will need to be welded to the frame. This is how all hangers are going to come as they will need to be welded to the frame. Once you have them welded on I recommend having the hangers, straps and equalizers coated in a marine specific paint. This will help to resist the corrosive properties of the salt water.
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  • Recommended Hanger Kit for Trailer With 5,200 Pound Lippert Axle
    There is no specific measurement for how tall your hangers should be. If you are replacing existing hangers then it is best to match the size of what you have now. If not then the # APT8 would work well. Another good option would be the # APT5 which is our most popular hanger kit. We also have a table showing distances between hangers based on different leaf springs for this particular kit to make things easier. If you need U-bolts to mount your axle then you can use the # APUBR-8. I...
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  • How to Find the Correct Replacement Equalizer
    The Tandem-Axle Trailer Hanger Kit for Double Eye Springs # APT5 may have the correct equalizer but you will need to measure the current equalizer to find out. The length from the center of the left-most eye to the center of the right-most eye of your equalizer needs to be the same as the 7-3/4 inch measurement in this kit. Since you said the shackles are hitting the frame I recommend using a kit with a center hanger that is longer than the 3-3/4 inch hanger that comes with Kit # APT5....
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  • Replacement Hanger Kit For a 10,000LB Tandem Axle Tilt Trailer With 2" and 5-1/2" Hanger Heights
    The Hanger Kit # APT3HD is going to be the closest we have to your current hangers. This kit does have the same 2-1/2" front and rear hangers as the Kit # APT8 you found but it has the taller 5-7/16" center hangers which is very close to your current 5-1/2" hangers. This slight difference in hanger size will result in a slightly higher trailer height likely only around 1/4". The old springs likely have more sag than that depending on the age of the trailer.
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  • Why is Center Hanger Longer for Tandem Axle Trailer Hanger Kit
    The center hangers in the Tandem-Axle Trailer Hanger Kit # APT8 that you recently purchased are indeed longer. This is actually pretty common for tandem axle trailers. The reason for the extra length on the middle hanger is related to the shackle straps of the equalizer. You want this hanger to be a bit longer to compensate for how the shackle straps move the spring higher up. I have attached an image to better clarify this. It is possible for the shackle to flip like you described, but...
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    Image 1 for
  • Can Longer Suspension Hangers Be Safely Used at Front of Suspension Instead of Middle
    Yes, if you had the longer hangers from the kit # APT8 installed towards the front of your suspension instead of the middle then it will cause your trailer to ride weird and components will wear out prematurely. You'll need to place those longer hangers in the middle for the correct setup.
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  • Hanger Placement on the Tandem HAnger Kit part # APT8
    There is no definitive guide to the installation of the Tandem-Axle Trailer Hanger Kit for Double-Eye Springs part # APT8. It is designed as a universal tandem axle trailer hanger kit. It can be used in many different situations. Basics are the hangers get welded to the trailer where you will require them for you application and everything attaches to them. It depends on the leaf springs you are using. Basically you will need to mock it all up before permanently installing anything on...
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  • Tandem-Axle Trailer Hanger Kits For Double-Eye Leaf Springs With Different Height Hangers
    Spring hangers are only to be mounted with the base of the U facing the frame. We do offer an array of different kits for a tandem axle trailer listed below or you can also find the hangers individually. If you can offer me some measurements of your current hangers and what amount of rise or drop you are looking to achieve I can give you my recommendations. Tandem-Axle Trailer Hanger Kit for Double Eye Springs - 3-1/4" Tall Front/Center/Rear # APT5 Tandem-Axle Trailer Hanger Kit for Double-Eye...
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  • 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 replacement...
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  • How to Decide Which Tandem Axle Trailer Hanger Kit to Use
    Typically when building a tandem axle trailer I recommend using either the # APT3 or # APT5 Tandem-Axle Trailer Hanger Kit. These are the most common kits used for utility trailers and parts are readily available. The # APT5 kit is by far the most common because all the hangers are the same height and provide good tire clearance. There are a lot of variables when selecting a hanger kit. First you should select a kit that will accommodate the wheel and tire combination you are using. The...
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  • Does Trailer Suspension 7-3/4 Inch Equalizer EQ-E1 Have a Weight Capacity
    Equalizer # TREQE1 does not have a weight capacity itself. It isn't bearing much of the weight compared to other components in a trailer suspension set up. If you have a tandem axle trailer then you could potentially use kit # APT5, # APT3, # APT9, # APT8, # APT7, or # APT3HD. All of these kits have the 7-3/4 inch long equalizers. For a triple axle trailer you could use # APTT5 or # APTT3. All of the above kits also come with hangers. If you do not need hangers then you would need to...
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  • Hanger Kit to Use with 7k Trailer Axle Leaf Springs
    For 7k trailer axle springs like the # e64SR that you referenced the part # APT8 would work great. This comes with standard height hangers that are 2-1/2 inches tall for front and rear and for the center is 4-1/2 inches.
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  • 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...
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  • What is Needed to Add Second Axle
    To add a second axle to your trailer, apart from the axle you'll need another set of hangers that need to be welded on, another leaf spring,four more U-bolts, an equalizer, four more shackle straps, and eight more shackle bolts. You'll have to measure your hangers for matching ones and reposition your current axle as well so I can't give you any specifics on what is needed. I will link below a number of help articles and our entire selection of suspension parts.
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  • Leaf Spring, Hanger, and Axle Kit for 5,200 lb Replacement for 2013 Salem Hemisphere 300BH
    You'd need 5,300 lbs leaf springs like part # SP-222275 with an axle like the part # 8327816-EB that you mentioned. Then for a hanger kit # APT8 would work great.
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  • Availability of Replacement Trailer Suspension Parts in Kit Form
    The Redline Tandem-Axle Trailer Hanger Kit you referenced, part # APT8, does include the hangers as you noted. All of our kits include the hangers. If you do not want them you can order the other components as individual items. The linked page will show you all trailer suspension component parts like equalizers, bushings, shackle links, bolts, etc. and you can select only the items you need. You can use 2 of # TREQE1, 8 of # 115052 and 14 of # 166081.
    view full answer...
  • Leaf Spring Bushings For Tandem-Axle Hanger Kit # APT8
    Our Tandem-Axle Hanger Kit, # APT8, comes with the bushings already pressed into the equalizers, but it does not include the bushings for the leaf springs. If you need bushings for your leaf springs, you will want to pickup up 8 of part # TRBU11566 for standard nylon bushings or we offer Lippert's Never Fail Bushing Set, # LC279684. This set includes 8 bushings, so you will only need to purchase a quantity of 1. The Never Fail bushings cost more, but they will perform much better over...
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Do you have a question about this Trailer Leaf Spring Suspension?


Info for this part was:

Employee Lindsey S
Updated by:
Lindsey S
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C
Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee John H
Expert Research:
John H
Employee Adam R
Expert Research:
Adam R
Employee Jeff D
Installed by:
Jeff D
Employee Cole B
Installed by:
Cole B

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