1. Trailer Leaf Spring Suspension
  2. Redline
  3. Hangers
  4. Suspension Kits
  5. Spring Mounting Hardware
  6. Double Eye Springs
Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 7/8" Rear

Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 7/8" Rear

Item # APS1
lowest price pledge
Our Price: $34.36
Trailer Leaf Spring Suspension
Orders above $99 qualify for Free Shipping
Shipping Weight: 6 lbs
Quantity: 
In Stock
Trailer Leaf Spring Suspension APS1 - Hangers,Suspension Kits - Redline
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Customer Photos

Videos

Kit includes 1-1/2" tall front hangers, 7/8" tall rear hangers, 3-1/8" shackle straps and hardware for mounting springs to your 2,000-lb to 7,000-lb, single-axle trailer frame. Components for mounting axle to springs sold separately. Lowest Prices for the best trailer leaf spring suspension from Redline. Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 7/8" Rear part number APS1 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (115)
  • Q & A (48)
  • Photos
  • Why etrailer?

Redline Trailer Leaf Spring Suspension - APS1

  • Hangers
  • Suspension Kits
  • Spring Mounting Hardware
  • Double Eye Springs
  • Single Axle
  • Redline

Kit includes 1-1/2" tall front hangers, 7/8" tall rear hangers, 3-1/8" shackle straps and hardware for mounting springs to your 2,000-lb to 7,000-lb, single-axle trailer frame. Components for mounting axle to springs sold separately.


Features:

  • Attaches 2 leaf springs (sold separately) to your trailer frame
    • Use table below to determine hanger location based on type of leaf springs
  • Achieves 4-1/4" or 4-1/2" clearance between trailer frame and axle, depending on axle size
  • Includes:
    • (2) 1-1/2" Tall front hangers (115917)
    • (2) 7/8" Tall rear hangers with steel bushings (30-20)
    • (4) 3-1/8" Long shackle straps (115208)
    • (6) 3" Long x 9/16" diameter shackle bolts (9163B)
    • (6) 9/16" Diameter locknuts (916DLN)
  • Designed for use on trailers with single, 2,000-lb to 7,000-lb axles
  • Does not include components for mounting axle to springs


Hanger Locations for Single Axle

Leaf SpringsA - Distance Between HangersB - Distance Between Center of Axle and Trailer FrameAxle Diameter
SP-169275 (1020)20"4-1/2"1-3/4"
(typical 2,000-lb trailer axle)
SP-219275 (PR722)
SP-220275 (PR3)
SP-218275 (PR4)
SP-212275 (PR4B)
SP-111275 (PR5)
SP-198275 (PR6)
24-7/8"4-1/4"2-3/8"
(typical 3,500-lb trailer axle)

Note: The above table provides an indication of where the included hangers can be mounted on your trailer. The distance between the hangers may vary depending on your specific application. Be sure to verify proper positioning before welding.



APS1 Single Axle Hanger Kit - 1.75" Double Eye Springs - 2,000 lbs to 7,000 lbs






Customer Reviews

Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 7/8" Rear - APS1

Average Customer Rating:  4.9 out of 5 stars   (115 Customer Reviews)

Kit includes 1-1/2" tall front hangers, 7/8" tall rear hangers, 3-1/8" shackle straps and hardware for mounting springs to your 2,000-lb to 7,000-lb, single-axle trailer frame. Components for mounting axle to springs sold separately.

- APS1
by:

Product arrived super fast, haven’t installed parts yet but all looks right in the box.. fingers crossed.. 895000



- APS1
by:

Good quality, just what I was looking for. 865155



- APS1
by:

Very good quality 818794



- APS1
by:

All the parts have great quality. Haven't gotten to building the trailer as yet! 794579



- APS1
by:

Great kit for the money. Can't get a better deal than this! Etrailer....of course! 792420



- APS1
by:

Excellent, had everything I needed and more for my trailer. Everything fit well! 765741



- APS1
by:

Thank you for your products and service 722822



- APS1
by:

After purchasing an order of springs, shackle kit, U-bolts, bearing kit and a new Pro jack for a trailer repair I discovered a week delay in shipping due to one of the items on back order. (Email the day after I ordered informing me of the delay) A call to Angie K. On that Sunday!!!! And she had an in stock item to replace it and had my order on its way Monday morning , Thank You Angie everything sent was what I ordered and correct. Communication was great and they did what they said they would, Good prices and free shipping on my orderThanks again 722573



- APS1
by:

I am building a new trailer using an axle from my old trailer, this kit fit my needs and price point. Shipping was right on time, not that I was in a hurry. Thank you etrailer! 675008



- APS1
by:

No problems. Worked as expected. 674101


Comments
Still OK
James L - 07/24/2020

95082

- APS1
by:

Excellent, everything was as ordered. Arrived as quoted and worked well. Will order again on my next trailer build. Thanks 672156



- APS1
by:

Good service, staff is courteous and helpful. Have used etrailer for a while now and they are always dependable. Thanks 644395



- APS1
by:

parts worked good to rebuilt small trailer suspension. 639697



- APS1
by:

Fast shipping ,great service , pricing good 600512



- APS1
by:

great fit 593835



- APS1
by:

From the springs, u bolts, hanger kit products were as shown and great prices. Thanks etrailer 573249



- APS1
by:

Quality seems good and I REALLY appreciate the opportunity to acquire these items as a complete set for my application 557916


Comments
holding up great.
Mark - 08/25/2019

60375

- APS1
by:

High quality mounts. They were welded to the frame and had no problems mounting them. I painted them after welding and should have a lifetime of trouble free service. 517908



- APS1
by:

Great price and fit perfect 501626



- APS1
by:

Very pleased with all my purchases from this company. No issues. I would recommend. 496708



- APS1
by:

good products and great service. 496010



- APS1
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 493666



- APS1
by:

received quickly 494321



- APS1
by:

Almost 10,000 miles and no problems 492995



- APS1
by:

One year later and still doing what they are supposed to do what more can you ask for 486058


26
116
Show More Reviews

Ask the Experts about this Redline Trailer Leaf Spring Suspension

  • Comparing the Single-Axle Trailer Hanger Kits for Double-Eye Springs APS1, APS2, and APS3
    When choosing between the Single-Axle Trailer Hanger Kit for Double-Eye Springs part # APS1, part # APS2, and part # APS3 it will be best to use the one that has measurements that most closely resemble what is already on your trailer. For example, if your rear leaf spring hangers are 7/8" tall or shorter than you would want to use part # APS1 but if they are taller then this you would want to use part # APS2 or part # APS3. The only difference between the two latter kits is that part #...
    view full answer...
  • Should the Trailer Suspension Rear Hanger be Closer or Farther From the Axle than Rear Spring Eye
    The rear hanger should be slightly closer to the axle (forward) of the trailer. If you look at the drawing on the product page for Single-Axle Trailer Hanger Kit for Double-Eye Springs, # APS1, you will see the rear hanger is more forward than the center of the rear eye of the spring. The shackle, then, is at a slight angle with the top more forward than the bottom. I have included a link to our double-eye trailer suspension FAQ article that contains a lot of good information on trailer...
    view full answer...
  • Overall Dimensions of the Hangers in Single-Axle Trailer Hanger Kit APS1
    I went out to the warehouse and pulled hanger kit # APS1 to measure the hangers for you. The larger hangers measure 3 inches long, 2-5/16 inches wide, and 2-1/8 inches tall overall. The smaller hangers are 2-1/8 inches long, 1-13/16 inches wide, and 1-1/2 inches tall overall. On the smaller hanger the shackle straps attach to the outsides of the hangers.
    view full answer...
  • Can Trailer Suspension Hangers Be Bolted on
    You will want to weld the hangers of the Single-Axle Trailer Hanger Kit # APS1. The holes you see are not designed to have bolts run through them. If you did run bolts they would most likely interfere with the spring and how it would sit on the hanger. I would recommend you have a qualified welder do this for you. Check out the FAQ on trailer suspension I attached also.
    view full answer...
  • Leaf Springs, Hanger Kit, and U-Bolts for a 2 Inch Square Trailer Axle
    Since you do not know the capacity of the trailer axle then you can't go by the capacity of the springs. If the axle is rated for 2,000 pounds and the springs for a 3,500 pound axle then you would still be limited to 2,000 pounds. If you have the inner and outer bearing numbers then that will help to determine what the likely axle capacity is. Since you want to replace the hangers as well as the springs then it doesn't matter which springs you choose. If the axle does end up having...
    view full answer...
  • 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...
  • Trailer Leaf Spring Hanger Spacing Measurements for Single-Axle Trailer Hanger Kit APS1
    The measurements given on the hanger kits including # APS1 are a guide only. The actual measurements will vary and to get the suspension set up correctly you would first mock up all the parts without permanently installing them. Then once the parts are in the proper positions they can be permanently installed. Basically the charts and measurements given on the hangers kits are good starting points but will not work for every situation.
    view full answer...
  • How to Correct Trailer Whose Spring Hangers Do Not Line Up With Spring Seats
    You will need to have the spring seats removed to have them or new spring seats welded to your axle at the correct locations to match your trailer's hanger spacing. For a 3-inch round axle rated between 5200- and 7200-lbs use part # TRSS300; for a 2-3/8-inch diameter 3500-lb axle use part # TRSS238; for a 1-3/4-inch diameter 2000-lb round axle use part # TRSS175. If you cannot re-position the spring seats to match the hanger spacing then you can have a qualified welder install new material...
    view full answer...
  • How Does the Rear Hanger Get Welded to the Trailer Frame
    On the Redline Rear Hanger, part # 30-20, which is the rear hanger included with kit # APS1, it is welded to the trailer with the side marked top, facing the outside of the trailer with the word top showing. So the U-shape part is what gets welded to the frame, on the flat part. I included a picture of the hangar that shows the top marking and how it is positioned on the trailer.
    view full answer...
  • Can a Rear Hanger that is Wider than the Trailer Frame be Still be Used
    The reason that the hanger is wider is most likely because double-eye springs are 1-3/4 inches wide. But as long as the hangers you are using are welded to the bottom of the frame as much as they possibly can be it will be fine. Welding should be performed by a qualified professional welder.
    view full answer...
  • Are Bushings for Trailer Suspension Spring Hangers Required
    Bushings do not always have to be used. Springs typically have bushings or they will use wet bolts depending on which part of the suspension system it is but not always. The bushings limit the wear on the suspension components. There are just different designs. Kits # APS2 and # APS5 use the same 7/8 inch hangers and it is those hangers that come with the bushings. I have included a link to our help article on double-eye trailer suspension for you.
    view full answer...
  • Determining Spring Hanger Spacing When Installing 4-Leaf Double-Eye Spring # PR4B
    When installing trailer suspension I recommend that you completely mock the setup to determine the best placement for the hangers. To do this I would put all of the suspension together and clamp it in place with the rear shackles at a very slight angle rearward when the trailer is lowered and wheels are on the ground. The 25-3/4" spacing measurement that you referenced from the chart is a good starting point, but due the variance in leaf springs, hangers, and shackles, it can vary where...
    view full answer...
  • Will Different Hanger Spacing For Single-Axle Trailer With Double-Eye Springs Be A Problem
    The Single-Axle Trailer Hanger Kit, Item # APS1, has recommended measurements that are meant to be guides. Actual measurements can vary depending on your situation. You may impact your tongue weight capacity with different location for the installation. If you can get your springs to fit properly then you should be fine. I am attaching an article on trailer suspensions to assist you with your project.
    view full answer...
  • Can Hangers of Single-Axle Trailer Hanger Kit # APS1 Attach to 2 inch Trailer Frame
    The width of the hangers that come with the # APS1 is 2-1/8 inches. These would easily be able to attach to the bottom of a 2 inch wide trailer frame.
    view full answer...
  • Can a Tandem Axle Trailer go to a Single Axle
    If you are absolutely sure you wouldn't exceed the capacity of the one axle on your trailer you could get by with just one axle. You are going to have to move the good axle to where the center equalizer is currently at to ensure you get proper axle placement which ensures that your trailer tongue weight will be in the 10 to 15 percent of the total trailer weight range so that you don't have sway. For a single axle hanger kit you would need the part # APS1.
    view full answer...
  • Spring Hanger Spacing for the Hanger Kit # APS1 with PR4B Springs
    The recommended distance between the hangers of the # APS1 would be 25-3/4 inches when using the leaf spring # SP-212275. When the trailer is set on the ground and the leaf spring is supporting the weight of the trailer the spring will flatten out and get longer so that the shackle will face the correct way.
    view full answer...
  • Do Shackle Straps in Trailer Hanger Kit # APS1 Bolt to the Inside or Outside of Hanger
    The shackle straps included in the # APS1 trailer hanger kit will bolt to the outside of the rear hangers, which measure 9/16 of an inch from the top to the center of the bolt hole. I am including some links to videos and FAQs with information that should be helpful as you go through the suspension kit installation.
    view full answer...
  • What is the Finish on The Hanger Kit # APS1
    The Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 7/8" Rear # APS1 are bare metal and have the plug weld holes to keep them in place for a solid bead on sides. The shackle straps in this kit are galvanized and the replacement is # 115208GALV. The bolts are the Shackle Bolt with Locknut for Double-Eye Springs - 3" Long just like # 166081.
    view full answer...
  • How Tight Should Suspension Shackle Bolts Be Torqued
    The shackle bolts used between the springs and hangers do not require a specific torque rating because tightening the shackle bolts too much will squeeze the shackle straps against the leaf springs, and the whole suspension system will bind and cause problems. 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. The lock nuts of the part # APS1 will keep them from backing off.
    view full answer...
  • Can a Coleman Fleetwood Pop Up be Converted From Slipper Spring to Double Eye
    If you wanted to convert your slipper spring suspension to double-eye suspension you certainly could. It would be just a matter of changing springs and hangers. You would need to go with a leaf spring that is rated for the weight of your trailer when it is loaded an ready to go. I attached a page that has all of the double eye springs we offer. At the top is a chart that has all of the springs and their capacities. Select the capacity you need and then on the product page the correct...
    view full answer...
  • What is the Difference Between Double Eye Leaf Springs and Slipper Leaf Springs
    The difference is found in the application. The Slipper Spring styles, like part # SP-179275, are intended for use with more heavy duty applications, while the Double Eye styles, like part # SP-124275 are used to provide a more comfortable ride. The part # SP-124275 that you referenced will be the correct fit if your current leaf springs are 26 inches long from the center of the attachments points (usually known as eye-center-to-eye-center). You might also still be needing a U-Bolt...
    view full answer...
  • Are there Bolt-On Hangers for Trailer Leaf Spring Suspension
    We do have a couple of bolt-on spring hangers # CE14017G and # CE14016G but they are designed for slipper springs and not double-eye springs like # SP-124275. Its not likely that professional welder would charge that much. You might be able to find one locally via an iron workers union near you. For u-bolts for your 1-1/2 inch square axle you can use # SP01-120 for 2 u-bolts and 4 nuts. For a u-bolt plate you can use # 115983. For a hanger kit you could use # APS1. Now what you could...
    view full answer...
  • 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...
  • Leaf Spring Recommendation for 3,500 lb Axle on Trailer for Converting from Slipper to Double Eye
    Sounds like you are trying to convert your trailer from slipper springs to double-eye springs. This is possible but will require you to install new rear hangers for the rear eye of the spring to attach. You would need to go with a leaf spring that is rated for the weight of your trailer when it is loaded an ready to go. The closest leaf spring we have in terms of dimensions that is for a 3,500 lb axle is the part # SP-210275. This spring is 27 inches long. For the price an convenience...
    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...
  • 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...
  • How To Convert A Torsion Axle To An Axle-Less Or Straight Axle System
    I do have a few options available for you however, we currently do not sell torsion axles. You have two options to consider for your trailer, the Timbren axle-less suspension and the Dexter straight axles. As you have a gross trailer weight (GTW) of 3,000 lbs. I recommend using a 3,500 lb setup. The Timbren System will provide you with a much easier method for converting from torsion springs in addition to containing fewer components. I recommend the Timbren Axle-Less Trailer Suspension...
    view full answer...
  • Replacement Double Eye Leaf Springs For Older Snowmobile Trailer
    I have a solution for you, but we do not carry any leaf springs that are 1-1/4 inches wide. It is possible that the springs are specific to the trailer manufacturer or came from a specific application. Based on the dimensions you provided, the closest match we have is the 3-Leaf Double-Eye Spring # SP-216275. This leaf spring measures 23-1/8 inches from center of eye to center of eye. This spring is 1-3/4 inches wide. If you do not have room to add a wider spring to your spring...
    view full answer...
  • 3,500 lb Axle Suspension and Leaf Spring Install Hardware Recommendation
    For a 3,500 lb capacity trailer axle with idler hubs that have a 5 on 4-1/2 inch bolt pattern you would want the part # 35545I-EZ-89. If you need brake hubs you would want the # 35545E-ST-EZ-89. These axles have a distance of 89 inches from hub face to hub face and a distance of 74 inches from spring center to spring center. For a 3,500 lb rated leaf spring you would want the # SP-212275, then for a hanger kit you would want # APS1 and then for U-bolt kit to hold the axles to the springs...
    view full answer...




  • Why etrailer.com?

    At etrailer.com we guarantee:
  • Highest quality trailer leaf spring suspension for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate trailer leaf spring suspension information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Expert Research:
Sarah L
Expert Research:
Michael H
Expert Research:
Jeff D
Expert Research:
Jameson C
Expert Research:
Adam R
Updated by:
Lindsey S
Updated by:
Alexander C
Video by:
Kathleen M
Installed by:
Cole B

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time.