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  1. Trailer Axles
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  3. 2000 lbs
  4. Universal Fit
  5. Spindles Only
  6. Drop - 4 Inch
Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ 4" Drop - 4 Bolt - 2K
Timbren

Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ 4" Drop - 4 Bolt - 2K

Part Number: ASR2KHDS09
In Stock
$931.07
Trailer Axles
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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 spindle with 4" drop lowers 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/ 4" Drop - 4 Bolt - 2K part number ASR2KHDS09 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Trailer Axles - ASR2KHDS09

  • 2000 lbs
  • Universal Fit
  • Spindles Only
  • Drop - 4 Inch
  • No Hubs
  • Rubber Spring Suspension
  • Standard Grade
  • Timbren

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 spindle with 4" drop lowers deck height. Fits any trailer frame width.


Features:

  • 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
  • Lowers trailer deck height for easier loading and unloading
    • 4" Drop spindle is built in
  • Allows for simple bearing maintenance with built-in grease zerks


Specs:

  • 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: 15" or smaller
    • 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 drop spindles built in, you'll get a lower deck height without sacrificing clearance.


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 and a high deck height. This may make it difficult to navigate off-road terrain and to load items into your trailer.


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 drop spindles on this setup will also lower your deck height, making loading and unloading your trailer way easier. 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, 4" drop 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" 16-1/2" 1" 5" 0" 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"




ASR2KHDS09 Axleless Trailer Suspension System by Timbren for Off-Road Tires - 4" Drop Long Spindle - Without Hubs - 2,000 lbs HD

Installation Details ASR2KHDS09 Installation instructionsAlternate Instructions ASR2KHDS09 Installation instructions



Ratings & Reviews

4.6

166 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 spindle with 4" drop lowers deck height. Fits any trailer frame width.

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See what our Experts say about this Timbren Trailer Axles

  • Timbren Axle-Less Suspension Recommendation for M1101 Trailer
    From my available specs on your M1101 trailer, it has a maximum vehicle weight of 3,400 pounds. It also looks like it uses off-road tires. With that capacity and tire type, we only carry 2,000 pound Timbren Axleless systems that are compatible with the 5 on 5 bolt pattern you need. That is the # ASR2KHDS09. The hubs that go along with this are the # 84556UC3-EZ. With this system, you will be limited to a 2,000 pound weight capacity. As far as brakes, I always recommend Nev-R-Adjust...
    view full answer...
  • Does Timbren Make A 6" Drop/Rise Axle
    Hello Michael, thanks for reaching out. Not quite sure what you are needing here. Are you looking for a Timbren Axle-Less system with a 6" drop axle? If so, Timbren doesn't make a 6" drop but they do make a 4" drop or 4" rise axle. Take a look at the following: - Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ 4" Drop - 4 Bolt - 2K # ASR2KHDS09 - Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ 4" Lift - 4 Bolt - 2K # ASR2KHDS03 Or if you are looking...
    view full answer...
  • Can Timbren Axle-Less Suspension System Work With Off-Road Tires?
    There is a 2,000 lb capacity Timbren Axle-Less Suspension with 4" Drop Spindle # ASR2KHDS09, though not a 1,200 lb one. I am not certain what you are referring to in terms of "strong enough" but it will work with 3,500 lb rated hub and drum assemblies # 84546UC3-EZ as well as 3,500 lb brakes. If you were referring to your trailer being strong enough, if you do not have a crossmember above where you want to install the Timbren one will need to be added, or you can reinforce your trailer's...
    view full answer...
  • What Does The 4 Inch Drop On ASR2KHDS09 Refer To?
    Hey Royal, The 4 inch drop in those Timbren Axle-less Suspensions doesn't really reflect the distance from the frame. It is referring to how much lower the trailer would sit to the ground. If you were to use these it would lower your trailer by 4 inches. Are you needing it to sit lower or are you looking for more clearance from the ground?
    view full answer...
  • Timbren 2,000LB & 3,500LB Axle-Less Suspension Systems With #84 Spindle and 4 Bolt Brake Flanges
    Here is a list of the Timbren Axle-Less Trailer Suspensions which have the #84 size spindle with a 4 bolt brake flange. 3,500LB Systems -No Drop # ASR3500S05 -4" Lift # ASR3500S06 -4" Drop # ASR3500S04 2,000LB Systems -No Drop # ASR2KHDS01 -4" Lift # ASR2KHDS04 -4" Drop # ASR2KHDS05 -No Drop, Long Spindle # ASR2KHDS02 -4" Lift, Long Spindle # ASR2KHDS03 -4" Drop, Long Spindle # ASR2KHDS09 Please let me know if you need any help selecting the brakes or hubs needed for these.
    view full answer...
  • Recommended Axle-Less System For 2000-Lb Off-Road Trailer
    Since the trailer you are building is 2,000-lbs or less the axle-less system I recommend is part # ASR2KHDS09. This is the Timbren system with a 4-inch drop and it is designed for off-road tires. It has a weight capacity of 2,000-lbs and has EZ Lube spindles that make it easy to grease the bearings without having to remove the hubs. This system has a 4-bolt brake flange. If you do not plan on adding brakes I recommend part # AKIHUB-555-35-EZ-K idler hubs. This hub has a 5 on 4-1/2 wheel...
    view full answer...
  • Recommended 5 Lug Timbren Axle-Less System for 13" Trailer Tires
    The Timbren Axle-Less Trailer Suspension # ASR2KHDS09 you're looking at is actually not going to work with your trailer tires since this kit is only going to work with trailer wheels that are 16" or larger. So, instead I'd recommend going with the Timbren Axle-Less Trailer Suspension w Electric Brakes # A35RS545E. This is also an axle-less system that has a 3.5K capacity, a 5 on 4 1/2 bolt pattern, will work with 16" wheels or smaller, and Includes hubs (with bearings, races, and seals)...
    view full answer...
  • Timbren Axeless Suspension and Other Parts Needed to Build Lightweight Trailer
    Thanks for the detailed information! I will be happy to help you set up your trailer and give you accurate weights. We have an in house system that gives us specific product weights. The Timbren Heavy-Duty Axle-Less Trailer Suspension - 4" Drop Spindle - Off-Road Tires - 2,000 lbs item # ASR2KHDS09 have a weight of 98 lbs. The Easy Grease Trailer Hub and Drum Assembly for 3.5K Axles - 10" - 5 on 4-1/2 - item # AKHD-545-35-EZ-K The Dexter Nev-R-Adjust Electric Trailer Brake Kit - 10"...
    view full answer...
  • Recommended Products Needed When Building A Trailer To Use For Camping.
    As long as you know you will need to stay within the weight capacity of the axle-less system you are looking at, the Timbren system is a great option. I attached a chart that you can use that explains how to adjust the axle on a trailer to make sure you have the correct tongue weight. As the article explains it can be adjusted depending on the tongue weight you get. Since you said you are going to be traveling off-road occasionally you may be interested in the Timbren Heavy-Duty Axle-Less...
    view full answer...
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