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  1. Trailer Axles
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  4. Universal Fit
  5. Spindles Only
  6. No Drop or Lift
Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ No Drop - 4 Bolt - 2K
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Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ No Drop - 4 Bolt - 2K

Item # ASR2KHDS02
Our Price: $860.16
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Designed for use with wide, off-road tires, this setup gives you more clearance and a smooth ride. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, long, standard-height spindle maintains deck height. Fits any trailer frame width. Great Prices for the best trailer axles from Timbren. Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ No Drop - 4 Bolt - 2K part number ASR2KHDS02 can be ordered online at or call 1-800-940-8924 for expert service.
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Timbren Trailer Axles - ASR2KHDS02

  • 2000 lbs
  • Universal Fit
  • Spindles Only
  • No Drop or Lift
  • Rubber Spring Suspension
  • No Hubs
  • Timbren
  • Easy Lube Spindles

Designed for use with wide, off-road tires, this setup gives you more clearance and a smooth ride. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, long, standard-height spindle maintains deck height. Fits any trailer frame width.


  • Delivers a smooth, stable, quiet ride - regardless of load size
    • Jounce springs absorb road shock and support trailer's load
    • Rebound springs minimize body roll, rattle, and bottoming out
    • Built-in camber and toe-in reduce wear on your trailer's tires
    • Units work independently - what affects one side of your trailer won't affect the other
  • Eliminates axle beam to increase ground clearance and fit any trailer frame width
    • System replaces 1 trailer axle and suspension components
    • 2 Separate units bolt directly to your trailer's frame
  • Designed for your overlanding or off-road adventures
    • Long spindle accepts wide, off-road trailer tires
    • Robust, heavy-gauge steel construction is built to handle abuse
    • Black powder coat resists rust and corrosion
  • Keeps trailer deck height the same while increasing ground clearance
    • Standard-height spindle is built in
  • Allows for simple bearing maintenance with built-in grease zerks


  • Application: single- and tandem-axle trailers that use wide, off-road tires
    • Tandem-axle trailers require 2 complete systems
    • Not recommended for triple-axle trailers
  • Quantity: 2 suspension units (without hubs)
  • Weight capacity: 2,000 lbs
  • Brake flange configuration: 4 bolt
  • Bolt hole diameter: 1/2"
  • Suspension travel: 1-5/8"
  • 3-Year limited warranty

  • Tire, Wheel, and Hub Compatibility

    • Tire size: 33 x 10.5 x 15 or smaller
    • Wheel diameter: 16" or larger
      • This assumes a wheel with zero offset
    • Bearings (sold separately)
      • Inner: L68149
      • Outer: L44649
    • Races (sold separately)
      • Inner: L68111
      • Outer: L44610
    • Seal: 10-19 (sold separately)
      • Inner diameter: 1.719"
      • Outer diameter: 2.565"

    Note: This Axle-Less system requires crossbeam support. If your trailer frame doesn't have a crossmember in place, you can retrofit it with one, or you can add a support by running a piece of 2" x 2" steel tubing through the square holes cut into these units. You could also add a steel reinforcement bracket to the inside of the trailer frame.

    Get more ground clearance and a more comfortable ride when you're towing with Timbren's Axle-Less trailer suspension. This suspension system provides great shock absorption to comfortably get you where you need to go and to protect your precious cargo as you travel - even on rough terrain. With 2 independently operating units, you'll get better handling when making tight turns. And because this system eliminates your axle and has standard-height spindles built in, you'll get more clearance without having to raise your deck height.

    Timbren Axle-Less Suspension vs. Other Suspension Systems

    There are many suspension options for your trailer or camper. So, what makes Timbren Axle-Less different?

    Leaf Spring Example

    Axle-Less systems are a definitive upgrade over traditional leaf springs, in part because they allow you to do away with your thru-axle, allowing for maximum clearance. As you've probably noticed, having a leaf spring suspension means that your axle will always hang at least a few inches below your trailer's frame, resulting in limited ground clearance. This may make it difficult to navigate off-road terrain.

    In addition, while leaf springs do a great job of supporting an even load, they may cause your trailer to bounce and rattle when it's empty or to bottom out with a heavy load. And they don't offer any type of shock absorption for a smooth ride - unless you have upgrades built in. With Timbren's Axle-Less system, gone are the days of dealing with these annoyances - this suspension is designed for a quiet, balanced ride, whether your trailer's fully loaded or empty.

    Torsion Axle Example

    A torsion axle is a step up in terms of shock absorption, and it provides more clearance than a traditional, leaf spring suspension, but that crossbeam will still hang down some. And if your torsion axle gets damaged in any way, it can't be repaired - you'll have to replace the entire thing with a setup that matches your exact trailer frame width.

    With the Axle-Less system from Timbren, you won't have a low-hanging axle beam to get in the way when you want to go off-road. The standard-height spindles on this setup will keep your deck height the same, so you'll get that extra clearance and still be able to easily load and unload your trailer. And the rubber springs and independent operation both combine to absorb shock and deliver a smooth, easy ride. In addition, the Axle-Less system can be easily maintained over time, and it will fit any trailer frame width, so you don't have to worry about potentially ordering the wrong size like you might with other systems.

    Timbren Silent Ride Example

    Another suspension upgrade on the market is Timbren's Silent Ride. This setup is a great option to reduce bounce and rattle because it has the same AEON rubber springs as the Axle-Less system. But the Silent Ride still requires an axle, so you won't get the same ground clearance or low deck height as you will with the Axle-Less suspension.

    Timbren Axle-Less Suspension Parts

    The Timbren Axle-Less suspension is designed with you in mind. All of the parts work together so you can tow your trailer comfortably - regardless of load size.

    Timbren Axle-Less Suspension Parts Diagram

    1. The jounce spring supports the weight of your trailer and cargo. It easily absorbs road shock and is constructed of AEON heavy-duty, hollow rubber.
    2. The rebound spring delivers a smooth, stable ride - regardless of how much cargo is on the trailer. It controls the movement of the jounce spring to minimize trailer body roll, bounce, rattle, and bottoming out.
    3. The trailing arm with integrated hanger attaches the suspension to the side and bottom of the trailer frame.
    4. The control arm carries the spindle and the hub. It pivots on strong, long-lasting polyurethane bushings that never require lubrication.
    5. The E-Z Lube spindle is simple to grease. If damaged, it can be removed and replaced, saving you both time and money compared to a traditional axle.
    6. The built-in hole accepts 2" x 2" steel tubing (not included) to add support to your trailer's frame. The tubing sits higher than a trailer axle, providing additional ground clearance.

    Installing the Timbren Axle-Less Suspension

    Measuring Diagram

    The first step in installing the Timbren Axle-Less suspension is to make sure that the mounting points for each unit are directly across from each other. The easiest way to measure this is to mark the desired mounting points on your trailer's frame. Then measure the distance between these points and the center of your trailer coupler. These measurements (A and B) need to be within 1/8" to keep your trailer frame square.

    Once you have your mounting points lined up, you'll be ready to install the system. Drill 3 holes into your trailer frame at the desired mounting points. Then bolt each unit to the frame with Grade 8, 1/2" bolts (not included).

    Keep Your Trailer Frame Square

    Because Timbren's Axle-Less system eliminates your trailer's thru-axle, you'll have to find another way to get the crossbeam support that keeps your trailer frame square. You have a few different options to do this depending on your application and how much fabricating you're comfortable doing.

    Crossmember Installation

    If you're building a trailer, the best option is to begin building with the Timbren Axle-Less in mind and include a crossmember where you want to install the units on your frame. You can also retrofit an existing trailer with a crossmember.

    Steel Tubing Installation

    If you don't have a crossmember where you want to install the Axle-Less system (and you don't want to add one), pick up a section of 2" x 2" steel tubing from a nearby weld shop. This tubing will serve as a support to keep your trailer square. It will hang only about an inch down from your trailer frame, providing more clearance than a thru-axle.

    After you've mounted both of the units to your frame, you'll need to drill 3 holes into the steel tubing and into the built-in, square holes. Then, insert the tubing through the holes and secure it with 3 bolts (not included) on each side.

    Reinforcement Bracket Installation

    The last option is to fabricate a reinforcement bracket that can be attached to the inside of your trailer frame and to the Axle-Less suspension. It may be a little harder to fabricate a compatible bracket than to mount steel tubing, but you may get additional clearance with this method.

    Dimensions of the Timbren Axle-Less Suspension

    The following diagrams show measurements taken on the Timbren Axle-Less suspension system.

    Axle-Less dimensions front view

    A B C D E F
    13" 15" 1" 5" 5-15/16" 4-1/4"

    Axle-Less dimensions top view

    G H I J K L
    5-5/8" 8-1/2" 4-3/4" 1-3/4" 3-3/8" 3-11/16"

    ASR2KHDS02 Axleless Trailer Suspension System by Timbren for Off-Road Tires - Standard Height Long Spindle - Without Hubs - 2,000 lbs HD

    Installation Details ASR2KHDS02 Installation instructionsAlternate Instructions ASR2KHDS02 Installation instructions

    Customer Satisfaction Score:

    Customer Reviews

    Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ No Drop - 4 Bolt - 2K - ASR2KHDS02

    Average Customer Rating:  4.6 out of 5 stars   (86 Customer Reviews)

    Designed for use with wide, off-road tires, this setup gives you more clearance and a smooth ride. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, long, standard-height spindle maintains deck height. Fits any trailer frame width.


    Great looking parts, robust design, professional looking welds....Nothing missing...

    I contacted Timbren prior to my purchase and received a prompt, helpful reply...

    The supplied instructions are complete and straight forward, i'm confident should i have any issues, contacting them will get them resolved...


    Product exactly what I need. People at etrailer where beyond extremely helpful! Great to deal with!


    Great suspension system. I used these for a severe duty off-road trailer and I am truly amazed at how well the trailer handles extremely rough terrain.

    by: 02/25/2021


    Great product. Well made! Can’t wait to get it on a trailer. Includes grease fittings too!


    Great delivery time


    After much over analysis and contemplation, They were easy to bolt up and install.


    I just received everything
    Boy, this
    is heavy duty!
    I’m very impressed.








    I was looking for a low profile axle system for my motorcycle trailer. The primary requirement was to be able to load my motorcycle by myself which required a low-profile trailer. With the 4" drop provided by Timbren, this setup turned out great. I originally intended on using ramps but after I swapped the leaf spring axle out with the Timbren, I found I was able to ride my motorcycle on/off without the need for the ramps.

    Originally, I was going to go axle-less but I found when torquing down the assembly to my frame it started to compress the aluminum rail. To take the pressure off the frame I added the 2" bar from axle to axle. Pulls smooth and effortlessly.

    I've had several people comment on the trailer height with one wanting to buy the trailer from me. This person worked at the local Honda Dealership. He thought it was a great design and I would imagine he's seen a variety of trailers come through his lot.

    The other option I considered was a torsion axle but I was looking for the lowest profile I could get. Therefore, cost was not a key factor. I also like the soft ride the Timbren system provides. Not sure if the torsion design would have been as smooth over bumpy roads. Regardless, I'm pleased with how this project came out.


    Excellent, helpful customer service sold me this product, and trust me when I say it's worth the price tag. Pulled the old axle and leaf spring off a 60's era Bantam and swapped out for this with a support bar in between. Bumped up tires to 315/75r16 BFG TA/KO's to match my rig and am amazed at how much better this trailer now pulls. Empty it wad bouncing all over the place with the old axle and leaf spring setup. Now I hardly even know it's there. Was very easy to install, took a couple hours but I am happy with how it turned out. A+++ product and customer service!


    Used this on a camping trailer behind our Jeep. The suspension handled 1000 miles of washboard gravel roads and mild rocky offroading with ease. We don't drive gently and had the trailer airborne at one point. The brackets that we opted to fabricate for them were straightforward and simple to install. I especially like the ground clearance under the trailer that you gain due to the lack of a solid traditional axle. The ride quality overall was excellent, especially given where we took it. In hindsight we should have gotten the 4" travel version as it may have been able to soak up deep ruts at 40mph a bit better. Only mild complaint is that the powdercoating on the leading edges had already begun to flake off when we received the suspension. I hit it with a can of spray paint, but I would have hoped it would be more durable. Overall, I will definitely be purchasing this axle-less suspension again for my next trailer build.


    Be warned! I would not buy from Etrailer ever again. We received our order and Etrailer failed to send the entire trailer axle kit. They did not include one spindle in the kit, rendering our order useless without ordering an additional spindle. Because more than 30 days had elapsed before reporting the issue, Etrailer refused to send the spindle, in addition to insinuating that I was deceiving them. This must be how they increase their revenues…don’t send the entire order, and if the customer does not catch it within 30 days, the customer loses and Etrailer makes more money. Absolutely horrible customer service from the company who failed to fulfill their end of the contract while accusing me of being deceptive. One star is far too generous for Etrailer and their scams.


    I love these. 30k miles and still going. Almost 1k offroad and they're still holding up. Fully loaded my overlanding trailer weighs 2k lbs, empty 1360 lbs. They did settle a little, but I just raised my fenders a little.


    Here are some pictures of my Timbren axle installation. I used a 2000#
    axle and a 3500# spindle combination. I am running a original 14" tire.
    It was a moderately easy installation.


    I think their axle-less design is very clever. The build quality of the suspension part looks good. I have heartburn over the spindle build quality. The spindle is mounted to the suspension and then the trailer wheel mounts on the spindle. The spindles I received are warped from welding. The plate that bolts onto the suspension does not mount flat due to this warping. I called Timbren. The gentleman that helped me was very pleasant. I described the problems and he said he would check his inventory and call me back. He did call me back and said they are all like that. He said get out the grinder and fix what you can and just tighten the bolts super tight, maybe the gap will go away. Really? Wow. The other problems are a LOT of weld spatter where the bolts are supposed to fit and they made a bend in the plate too close to the bolt holes so two bolt heads hit the bend and dont fit flat against the part they are supposed to hold together. Yikes! I am taking the spindles to a machine shop to fix them but I would not have ordered this Timbren stuff had I been warned before hand. So, fair warning.


    Great product so far after 1 year. Everthing is holding up and i have put it to good use on multiple occasions. The lift kit made my trailer off road capable and performed to my expectations.


    Great products,prices and people!


    Very pleased with the design and heavy duty construction of these axles. Used them to build an off-road trailer and they performed flawlessly throughout many challenging trails and off road situations. My only complaint is that the ez-lube hub design does not take grease very easily. I've had to disassemble the hubs to properly grease both bearings due to the inadequate amount of grease flowing into the bearings.


    We are high production company . Said it was in stock, took way too long for a instock product to be sent. 3 weeks, we did not know when it would come so we ordered another and it comes in two days.

    Show More Reviews

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    • Can 2 Sets of The Timbren Axle-Less Trailer Suspensions # ASR2KHDS02 Be Used To Create Tandem Axle?
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    • Timbren Axle Less System Recommendation with a 5 on 5 inch Bolt Pattern Hub
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    • Recommended Timbren Heavy-Duty Axle-Less Trailer Suspension for an Off-Road Trailer
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    • Compatible Axle Components for Timbren Axle-Less Trailer Suspension # ASR2KHDS02
      The Timbren Heavy-Duty Axle-Less Trailer Suspension - Straight Spindle - Wide Tires - 2,000 lbs # ASR2KHDS02 will work well with hubs # AKHD-550-35-EZ-K. They will also work well with the Dexter Electric Trailer Brake Assembly w/ Parking Brake - 10" - Right Hand # K23-087-00 and Left Hand # K23-086-00. I recommend the Titan Breakaway and Parking Kit for Drum Brakes # T2385200 for the parking break connection to your assemblies. This is not a direct fit as it is intended for Titan hydraulic...
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