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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 Flange - 2.2K
Timbren

Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ No Drop - 4 Bolt Flange - 2.2K

Part Number: ASR1THDS02
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$928.62
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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 Flange - 2.2K part number ASR1THDS02 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Trailer Axles - ASR1THDS02

  • 2200 lbs
  • Universal Fit
  • Spindles Only
  • No Drop or Lift
  • No Hubs
  • Rubber Spring Suspension
  • Timbren
  • EZ 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.


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
  • 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


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: 2,200 lbs
  • Brake flange configuration: 4 bolt
  • Bolt hole diameter: 1/2"
  • Suspension travel: 3-3/8"
  • 3-Year limited warranty


Tire, Wheel, and Hub Compatibility

  • Tire size: 33 x 10.5 x 15 or smaller
  • Wheel diameter: 15" 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" 19" 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"




ASR1THDS02 Axleless Trailer Suspension System by Timbren for Off-Road Tires - Standard Height Long Spindle - Without Hubs - 1 Ton HD

Installation Details ASR1THDS02 Installation instructionsAlternate Instructions ASR1THDS02 Installation instructions




Customer Reviews

Timbren Axle-Less Trailer Suspension - Heavy Duty - Long Spindle w/ No Drop - 4 Bolt Flange - 2.2K - ASR1THDS02

Average Customer Rating:  4.6 out of 5 stars   (151 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.

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See what our Experts say about this Timbren Trailer Axles

  • Jeep Wheel Compatibility with Timbren Axle-Less Trailer Suspension System
    Jeep wheels have the 5 on 5 inch bolt pattern and we do have hubs that fit the Axle-Less Systems and your Jeep wheels. It is recommended to use trailer wheels with trailer hubs because of the zero offset and tire design, but people have been using Jeep wheels especially for off-road trailers for years so we know they can work. We only have a couple compatibles option for that size hub. You will want the Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle w/Flange - Off-Road...
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  • Recommended Suspension Setup For A Lightweight Offroad Trailer
    Hey Kevin, Since you're planning on taking the trailer off road I recommend not going with an axle and instead building the trailer with the Timbren Axle-Less Trailer Suspension # ASR1THDS02. This is rated for 2,200lbs but uses a 3,500lb spindle so you'd be able to use larger tires and put 10" hubs on. They have built-in Timbren jounce springs to handle the rough terrain and work independently for a less bouncy ride. Without an axle beam in the way you'll have better ground clearance a...
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  • Timbren Axle-Less Suspension System Compatible with Jeep for Matching Trailer
    For the Timbren Axle-Less kit compatible with the bolt pattern of 5 on 5 like a Jeep, you would need the 2,200 lb capacity # ASR1THDS03. The spindles on the Timbren system are a little larger than their thru-axle counterparts, so the 3,500 lbs # ASR3500S06 will only fit larger hubs that won't have the bolt pattern you seek. Using # ASR1THDS03, you can then use the Trailer Idler Hub Assembly for 3,500-lb E-Z Lube Axles - 5 on 5 # AKIHUB-550-35-EZ-K or the Trailer Hub and Drum Assembly...
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  • Recommended 3500 lb Axle with Idler Hub Assembly And EZ-Lube Spindles
    I think you will be better off simply replacing the axle. I recommend a replacement like the Dexter Trailer Axle w/ Idler Hubs - EZ-Lube - 5 on 4-1/2 Bolt Pattern - 89" Long - 3,500 lbs, # 35545I-EZ-89, since you have no brakes. This will give you the new axle, the new bearings, races, seals, and hubs on EZ-Lube spindles. Will also give you the clear knowledge if there is another issue because the axle will be brand new. The length of your trailer axle you are replacing will dictate...
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  • Axle-Less Suspension Recommendation for a 2025 InTech Flyer Pursue Trailer
    Hey Jeff, thanks for reaching out! It looks like your InTech Flyer Pursue has a 2,200 lb GVWR so for your application I recommend the 2.2K Heavy Duty Timbren Axle-Less Trailer Suspension # ASR1THDS02 so you get the right amount of suspension help. Then from there you just need 2 of the Easy Grease Trailer Idler Hub Assembly # AKIHUB-545-35-EZ-K and you'll be set!
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  • Dexter Brakes With Parking Brake for Timbren Axle-Less Trailer Suspension
    Hi Butch; I'm assuming this is the Timbren Axle-Less Trailer Suspension # ASR1THDS02 you got from us a few years ago. For Dexter brakes that fit and have a parking brake you can use the Dexter Electric Trailer Brakes - Parking Brake Ready - 10" - Left/Right Hand Assemblies - 3.5K # K23-086-087-00. If you don't already have it you will also need the Dexter Breakaway and Parking Kit for Drum Brakes # T2385200. For replacement hubs and drums you can use the # AKHD-655-35-EZ-K or if you want...
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  • Timbren Axle-Less System With 2,200 lb Capacity Compatibility With Dexter Brake and Hubs K71-511-00
    Yes. The Dexter Electric brake kits you have are compatible with the Timbren Axle-Less Trailer Suspension System - Spindle w/Brake Flange 2,200 lbs # ASR1THDS02 as well as the # ASR1THDS03 that has a 4 inch lift.
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  • Hub & Drum That Fits 2,200 lb Timbren Axle-Less System
    There is one hub and drum that will fit the Timbren Axle-Less Trailer Suspension System - Spindle w/Brake Flange - Off-Road Tires - 2,200 lbs # ASR1THDS02. The correct part is the Dexter Trailer Hub and Drum Assembly # 84546UC3-EZ. The # DX68XR says it is for 3,500 lb axles, but is also the correct fit for this 2,200 lb Timbren system because it has the correct bearings and seal to fit the Timbren spindle. Then for electric brakes what you will use are the Electric Trailer Brake Kit #...
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  • Which Drums and Brake Assemblies for Timbren ASR1THDS02 Axle-Less Suspension
    The Timbren # ASR1THDS02 Axle-Less suspension is compatible with hubs that use an L44649 outer and L68149 inner bearing like the # AKHD-655-35-EZ-K brake drums you mentioned. These drums have a 6 lug on 5-1/2 inch bolt pattern. If you needed a hub/drum with a 5 lug on 4-1/2 inch bolt pattern, you'd use # AKHD-545-35-EZ-K. Either 10 x 2-1/4 inch hub drum is compatible with the # AKEBRK-35-SA self-adjusting brake assemblies.
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  • Deflection of 2,200 lb Timbren Axle-Less Trailer Suspension System
    I reached out to a representative of Timbren who told me that the 3-3/8 inch deflection of the Timbren Axle-Less Trailer Suspension System # ASR1THDS02 is with a loaded trailer. As for the 5-5/16 inch measurement also shown in the photo, that is the distance from the center of the spindle to the bottom of the trailer frame. Since they have a capacity of 2,200 lbs you would want to select them if the trailer you are building has a maximum GVWR of 2,200 lbs, which is a way of knowing how...
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  • What Hubs Are Needed To Install 6 on 5-1/2" Lug Wheels On a 2018 NuCamp TAG Camping Trailer?
    To install the Westlake ST235/75R15 Off-Road Tire w/ 15" Liger Aluminum Wheel # LH46FR on your 2018 NuCamp TAG XL camping trailer you will need to replace your axle. The Timbren Axle-Less Trailer Suspension System # ASR1THDS02 has the same 2,200lb capacity as your current Dexter axle with a #84 Spindle that will allow you to fit the Easy Grease Trailer Idler Hub Assembly # AKIHUB-655-35-EZ-K. This hub has the same 6 on 5-1/2" lug pattern as the Liger aluminum wheels you selected. You current...
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  • Should Lighter Off-Road Trailer Have Brakes Added
    In off-road situations it's gets a little more tricky with adding brakes to the trailer and having them actuate properly since the terrain changes a lot and traction is really inconsistent. I'd go with the part # ASR1THDS02 and idler hubs like the # 84545UC1-EZ and you'd be set.
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  • Timbren Axle-Less Suspension System For A Homemade Overlanding Off Road Trailer
    I would not trust the Timbren Axle-Less Trailer Suspension System ASR1200S01 to be used as an overlanding trailer with those large jeep wheels. I have included a picture that shows what I believe to be a failure point with this suspension. With that narrow point I would fear that a large bump may cause it to bend with the weight and larger wheels. I recommend the Timbren Axle-Less Trailer Suspension System # ASR1THDS02. It has a higher weight capacity at 2,200lbs and larger axle spindles....
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  • 2,200 lb Axle Replacement System for Triton Snowmobile Trialer
    We have an option to replace the torsion axle on your 1996 Triton snowmobile trailer, but do not carry any torsion axles. Instead, the best option we have is a Timbren Axle-Less trailer suspension system which are simply bolted or welded so you do not have to worry about finding an axle that meets any specific measurements. They also offer you an improved ride compared to a traditional through-axle because the Timbrens work independently so if there is a bump on one side of the road it...
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  • Hub and Drum Assemblies and Brakes for Timbren 2,200 Pound Axle-Less Suspension System
    Timbren axle-less suspension system # ASR1THDS02 can be used with hub and drum assembly # 84546UC3-EZ. For the right hand brake assembly use # 23-27 and for the left use # 23-26. For nuts and washers I recommend # BIK-00. And for adjuster plugs, # BP10-220.
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  • Recommended Axle-less System For Home-Made Off-Road Trailer
    You will first need to know what the trailer is rated for. You can run into the problem just as you stated. If you get a heavier system on the trailer and carry much less weight it can bounce when on the trail. I have a solution that will work for you. For ease of installation and capacity I recommend an axle-less system like part # ASR1THDS02. This system bolts onto the frame and eliminates the axle beam as well as leaf springs and the hardware. This system has a 2,200-lb capacity and...
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  • Replacement Axle System For a Yacht Club Snowmobile Trailer With 5 on 4-1/2" Bolt Pattern.
    I have an option for you as we do not carry torsion axles. The Timbren Axle-Less Trailer Suspension System # ASR1THDS02 will bolt to your frame rails and includes the suspension along with a spindle. To this spindle you will be able to add 2 of the Easy Grease Trailer Idler Hub Assemblies # AKIHUB-545-35-EZ-K to have your 5 on 4-1/2" bolt pattern. Do note that these hubs will stick out 8-1/2" from your frame to the hub face and your current hubs are only 7" on each side. The suspension...
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  • Timbren Axleless Suspension System for 265/75R16 Tires.
    The Timbren Axle-Less Trailer Suspension System part # ASR2000S02 states "regular" as opposed to "off road". The off road version part # ASR1THDS02 has more distance between the hub face and the frame of the trailer. These are very popular with the off road camper that have larger 31" x 10.5" or 33" x 12.5" type tires. With your tire size of 265/75R16 that means you have 31.65" x 10.43" tires with that said the Timbren Axle-Less Trailer Suspension System - Spindle w/Brake Flange - Off-Road...
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  • Hub Assembly Needed for Timbren Axle-Less Trailer Suspension System
    The Trailer Idler Hub Assembly for 3,500 lb Axles, part # AKIHUB-655-35-EZ-K will fit with both the Timbren Axle-Less Trailer Suspension System, # ASR3500S05 and the Timbren # ASR1THDS02 I cross referenced the bearings, races and seal measurements and they are all a match. The hub also has a 6 on 5-1/2 inch bolt pattern so you are good to go. I have provided a video link for the Timbren Axle-Less Suspension for your review.
    view full answer...
  • Building an Off-Road Trailer to Be Towed By a Jeep Wired for Electric Brakes
    The Timbren's Axle-Less Trailer Suspension System # ASR1THDS02 that you referenced are the axles that I recommend for building your off-road trailer. The axle-less design gives you added clearance under your trailer. When using straight axles, the under trailer clearance for off road purpose can be an issue. The Timbren axles allow for more clearance down the middle of the trailer. You also need electric brake and hub and drum assemblies for these axles. I recommend the # AKEBRK-35R-SA...
    view full answer...
  • Replacement Axle for 2,000 Pound Dexter Axle on a Pop-Up Camper
    We have straight axles that are close to the measurements you have provided, see link, but the spring seats would have to be moved and none of them have brake mounting flanges. I propose a different approach by using a Timbren axle-less system # ASR2KHDS01. This system will provide the "axle" as well as the suspension in one unit plus the suspension part will not wear out nearly as quickly as traditional leaf springs because the rubber won't corrode. They are also set up for electric brakes. The...
    view full answer...
  • Timbren Axle Less Kit with Hub that Has Jeep Wrangler Wheel Bolt Pattern
    I recommend using the Timbren Axle-Less System # ASR1THDS02. This system is similar to the system you were looking at but it has a weight capacity of 2,200 lbs and does not come with any hubs, so you can add compatible 5 on 5 inch hubs like # AKHD-550-35-K to accommodate your Jeep Wrangler wheels since this is the standard bolt pattern for Wranglers. Then for brake assemblies you'd want the part # AKEBRK-35-SA.
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  • Will CE Smith Trailer Idler Hub Assembly Fit Timbren Axle-Less Suspension System
    The CE Smith Trailer Idler Hub Assembly # CE13611 will fit any of the Timbren Axle-Less systems as long as they use the same # L68149 inner and # L44649 outer bearing combination. This combination is typically found on 3,500 lb axles. This means they will fit the # ASR1THDS02 you were looking at, but not the # ASR35HDS02 or the # TASR5200S03. All of the 2,200 lb systems use this bearing combination, and any of the 3,500 lb systems that are not the heavy-duty model. I have attached a link...
    view full answer...
  • Determining Which Axle For Custom Tear Camper Weighing Up To 1500lbs
    I would be happy to help! There are a few different options here, with one being a standard axle and one being an axle-less option. For a standard axle I recommend the Dexter Trailer Idler Axle Beam with EZ-Lube Spindles - 72" Long - 2,200 lbs # T20BTR-EZ-7258 which has a 2200lb rating which will give you plenty of capacity for what you are needing, though since your frame is 59-1/2" wide you will need to cut off the included spring seats and weld two of the # TRSS175 in the correct location. You...
    view full answer...


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