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Single-Axle Trailer Hanger Kit for Double-Eye Springs - 3-1/4" Front, 1-1/4" Rear
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Single-Axle Trailer Hanger Kit for Double-Eye Springs - 3-1/4" Front, 1-1/4" Rear

Part Number: APS4
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$47.72
Trailer Suspension Parts
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Kit includes 3-1/4" tall front hangers, 1-1/4" 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. Great Prices for the best trailer suspension parts from etrailer. Single-Axle Trailer Hanger Kit for Double-Eye Springs - 3-1/4" Front, 1-1/4" Rear part number APS4 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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etrailer Trailer Suspension Parts - APS4

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

Kit includes 3-1/4" tall front hangers, 1-1/4" 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 5" or 5-1/2" clearance between trailer frame and axle, depending on axle size
  • Includes:
    • (2) 3-1/4" Tall front hangers
    • (2) 1-1/4" Tall rear hangers
    • (4) 3-1/8" Long shackle straps
    • (6) 3" Long x 9/16" diameter shackle bolts
    • (6) 9/16" Diameter locknuts
  • 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"5-1/2"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"5"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.



TSW-S7 Single Axle Hanger Kit - 1.75" Double Eye Springs - 2,000 lbs to 7,000 lbs

Replaces APS4





Customer Satisfaction Score:

Ratings & Reviews

4.8

357 reviews
Kit includes 3-1/4" tall front hangers, 1-1/4" 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.

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See what our Experts say about this etrailer Trailer Suspension Parts

  • Replacement Leaf Springs For An Ice Shanty Trailer
    Hey Adam, 24-5/8" is a standard sizing for 2,000lb leaf springs so the 4-Leaf Slipper Spring w/ Radius End for 2,000-lb Trailer Axles - 24-5/8" Long # e69SR is what you need. It unfortunately doesn't look like we offer a slipper spring in a higher capacity in a close enough length. You could weld on new hangers # APS4 to switch to double-eye leaf springs like the 3-Leaf Double-Eye Spring for 2,500-lb Trailer Axles - 25-1/8" Long # e66SR for a bit more capacity to prevent the tires from...
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  • Recommended Parts for Rebuild/Upgrade of Harbor Freight Trailer
    The Dexter Trailer Idler Axle w/ Hubs - EZ-Lube - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,200 lbs # 20545I-EZ-60-15 is a great starting point to upgrade your trailer. This will give you a standard size axle with good bearings, hubs, and EZ-lube spindles. This is far nicer than the weird sized stuff that comes on Harbor Freight trailers. The Karrier ST175/80R13 Radial Trailer Tire with 13" Galvanized Wheel - 5 on 4-1/2 - Load Range D # AM31994 will be a great addition to these hubs and...
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  • How to Determine if Slipper Spring SP-177275 Will Fit Trailer
    I can tell you how to determine if the 2-Leaf Slipper Spring for 1,000-lb Trailer Axles # SP-177275 will fit your trailer, though we do not have information regarding fits for individual trailers. The best way to determine if a slipper spring will fit is by measuring the length from the center of the spring eye to the end end of the spring, as you can see in the accompanying diagram. The best way to get an accurate length of a leaf spring is with the trailer up on jacks with the axle...
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  • Leaf Spring Recommendation for 1996 Calkins Boat Trailer
    If you can get me the overall length of your slipper springs and the axle capacity of your trailer I can help you pick out the correct replacement.
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  • Converting 3,500 lb Torsion Axle to Spring Leaf Axle on Boat Trailer
    Hey Sam; thanks for the question and yes it is possible to go from a 3,500 lb torsion axle to a spring leaf axle on your boat trailer. You'll need to have new hangers welded on, as well as get leaf springs and, of course, the axle itself. For the hanger kit you can go with the Single-Axle Trailer Hanger Kit for Double-Eye Springs - 3-1/4" Front, 1-1/4" Rear # APS4 which gives you 5 inches of distance between the center of the axle and the trailer frame. For 3,500 lb leaf springs you can...
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  • Installing Leaf Springs on Single Axle Trailer
    For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and have issue as you go over bumps. If it is completely vertical or angled back toward the axle, then your leaf spring is not long enough and your suspension components will not move as intended giving you a rough ride at best and at worst failure...
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  • Replacement Trailer Axle for a 5x10 Utility Trailer
    Unfortunately, we do not have any hubs that match the dimensions you provided. The only other option I have for you at this time would be to replace the axle. If you can provide me with the hub face to hub face and spring center to spring center measurement, I can go about trying to find a replacement axle for you.
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  • Hanger Kit Recommendation for Dexter 3.5K 4-Leaf Double-Eye Spring
    Hey Dennis, thanks for reaching out! The 4-Leaf Double-Eye Spring # DX23CR has a 3" drop from center eye to middle of the leaf spring (see attached photo). For a single axle setup I recommend the Hanger Kit # APS4, and for a tandem axle setup I recommend the Hanger Kit # APT5. Since the U-Bolt kit sits on either side of the leaf spring, the space between them will be 1-3/4" - the same as your leaf spring width. It might straddle your trailer frame, but you really want more clearance...
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  • Switching From Slipper Springs to Double-Eye Springs on 4 x 6 Trailer
    To replace your slipper springs with double-eye leaf springs you first want to take a quick measurement of the existing leaf spring stack. Measure from the center of the eye to the end of the spring to make sure the new double-eye assembly has a similar length. Also be sure that the new springs have the capacity needed to support the loaded weight of your trailer. The 3-Leaf Double-Eye Spring # e84SR that you were looking at measures 20-3/8 inches from eye to eye, 1-3/4 inches wide, and...
    view full answer...
  • Hanger Spacing Needed for Single Axle Trailer with 25-1/4 inch Long Leaf Springs
    With a 25-1/4 inch leaf spring using a single axle hanger kit like the part # APS4 the correct hanger spacing would be 24-7/8 inches.
    view full answer...
  • How Far Apart Should the Leaf Spring Hangers Be Spaced With a 26 Inch Long Leaf Spring
    When using the 4-Leaf Double-Eye Spring for 4,000-lb Trailer Axles part # e27SR with the Single-Axle Trailer Hanger Kit for Double-Eye Springs part # APS4 you will need to space the leaf spring hangers 25-3/4" apart.
    view full answer...
  • Parts Needed to Add CE Smith Trailer Axle to Trailer
    Hey Jay, so the CE Smith Trailer Axle # CES84XR is a 1.8k axle so for leaf springs the part # e77SR would work great as this is for a 2k trailer axle. Then for a u-bolt kit you'd want the part # CE23102. For a hanger kit part # APS4. Is this an a-frame trailer or a pole tongue? Boat trailer so the lights need to be submersible? Do you have an idea as to how big of wheels/tires you'd need?
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  • How to Raise the Height of a Boat Trailer to Avoid Scraping on Inclines
    What I recommend, if the trailer has round axles, is an over-under conversion kit. For 3 inch round axles use # K71-385-00 and for 2-3/8 inch round axles use # K71-384-00. This of course will only work if the leaf springs are mounted to the bottom of the trailer now. What this kit does is allow you to put the springs on top of he axle without flipping the axle or welding. Otherwise what you could do is use taller hangers. All of the hangers would have to be raised the same amount. So if...
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  • Leaf Spring Recommendation for 2,200 lb Snowmobile Trailer
    You have slipper springs now. If you wanted to convert both sides of the trailer to double eye you certainly could. What axle capacity do you have?
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  • Hanger Kit to Install Leaf Spring on Trailer that Has Slipper Springs
    You could pretty easily install the springs you have but you will need to use a single axle trailer hanger kit like part # APS4 as the bushing sizes and hangers you have now won't work with the spring you have part # SP-113275.
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  • Replacement Hub that Has Bearings L44649 and Bolt Pattern 5 on 4-1/2 inch
    The trailer hub part # 8-258-5UC1 that you referenced is an exact fit for the spindle you have on your trailer based on the bearing numbers you listed and the wheel bolt pattern. To jump up to a 3,500 lb axle would require more info from you. I'd need spring seat center to spring seat center plus hub face to hub face off your old axles. You have slipper springs which we can help with that as well. How long are the springs you have now?
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  • Looking For Axle Leaf Springs For A Small Single Axle Trailer
    Hello Zane, thanks for reaching out. Unfortunately, we do not carry any leaf springs that are this long. The longest spring we have is 30-1/2" long, and these are rated for much larger axles than yours. For a small single axle trailer, most of our springs will be between 20" and 26" long. For example the 4-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 26" Long # e77SR is a common option for small single axle trailers. It may be difficult to find a direct replacement for your spring....
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  • Comparing Different Hanger Kits ffor Single Axle Trailer with Double Eye Leaf Spring
    Hi Barney! Any of the single axle kits you listed will work just fine for your single axle trailer. The main differences between the kits you listed is their height and how they install so I'll list out the differences below and you can decide from there which option is best for your trailer. - 1-1/2" Front, 7/8" Rear (4-1/4" or 4-1/2" clearance between trailer frame and axle) - Kit # APS1 - 1-1/2" Front, 1-1/4" Rear (4" or 4-1/2" clearance between trailer frame and axle) - Kit #...
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  • Replacement Axle And Leaf Springs For A 4' x 6' Single Axle Trailer
    It is possible to replace your 62" long axle with a longer one. Our next size up is going to be a 72" long 2K rated axle like part # e32GR. The axle being 72" across measured from hub-face to hub-face. This axle comes with 5 on 4-1/2" idler hubs, which will allow for a ton of tire/wheel combos. In order to use our axle you would likely need to relocate the spring seats. We sell them individually with part # TRSS175. From the looks of things, you would need a new u-bolt kit # CE23000 as...
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  • Replacing Suspension Components On A 2005 Fabrique Boat Trailer
    I can certainly point you in the right direction. I am not able to recommend leaf springs and brackets based on a model of trailer or Vin number. If only it were so easy right? Generally only the manufacturer of the trailer will have that kind of information. When replacing leaf springs we do want the new springs to be basically identical to the old springs. The best way is for your to measure each spring. Double eye leaf springs are measured across from center eye to center eye. It is...
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  • Option Because No Trailer Leaf Springs are Long Enough
    You cannot use the 30 inch leaf springs as they won't be long enough; you were correct about where the leaf spring holes needed to be. What you will likely have to do is cut off your existing hangers and weld on new ones to match a new leaf spring size. For example if you have a single axle trailer with 3-1/4" front hangers and 1-1/4" rear hangers use the Single-Axle Trailer Hanger Kit for Double-Eye Springs # APS4. You need to be sure to place them correctly and I have attached an article...
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  • Parts Needed To Replace Slipper Springs On 2002 Coleman Santa Fe Camper With Double Eye Leaf Springs
    For the weight of your 2002 Coleman Santa Fe you will need a 2,500lb double eye leaf spring if you are converting to double eye springs versus slipper springs. The 3-Leaf Double-Eye Spring # e66SR is currently the only length we carry at 25-1/8" long. You will likely need to replace your Hangers # APS4 and have them positioned for the larger leaf spring.
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  • Correct Replacement Leaf Spring For A Single Axle Trailer With 26" Hanger Spacing
    Our general rule of thumb is that the hanger spacing should be 1/4" -1/2" less than the length of the leaf spring. There is a small amount of tolerance,(1/2" or less) but not much. I do not recommend using a 25-1/4" long leaf spring with a 26" hanger spacing. We have a leaf spring # e97SR which is 27" long. This will be your best bet for a 3.5K double eye spring.
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  • Can Trailer with Slipper Springs have Double Eye Springs attach to Same Hanger Channel
    You have a really interesting suspension setup on your trailer. I don't know what the width of the channel is that your springs attach to but to go to a double leaf will require using a hanger kit like the part # APS4 that you referenced. If you were to add shackles to the rear hanger area the spring would be unlevel and you can't add them to the front as well. Plus you have to factor in that you most likely would not have room for two shackles and springs in the channel currently. So...
    view full answer...
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