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  1. Trailer Axles
  2. Timbren
  3. 2200 lbs
  4. Universal Fit
  5. Spindles Only
  6. Drop - 4 Inch
Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Drop - 4 Bolt Flange - 2,200 lbs

Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Drop - 4 Bolt Flange - 2,200 lbs

Item # TASR1THDS05
Our Price: $920.80
Trailer Axles
Shipping Weight: 161 lbs
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Get more ground clearance and a smoother ride when towing with Axle-Less trailer suspension. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, 4" drop spindle lowers deck height for easy loading. Fits any trailer frame width. Great Prices for the best trailer axles from Timbren. Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Drop - 4 Bolt Flange - 2,200 lbs part number TASR1THDS05 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Trailer Axles - TASR1THDS05

  • 2200 lbs
  • Universal Fit
  • Spindles Only
  • Drop - 4 Inch
  • Rubber Spring Suspension
  • Timbren
  • Easy Lube Spindles

Get more ground clearance and a smoother ride when towing with Axle-Less trailer suspension. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, 4" drop spindle lowers deck height for easy loading. 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
    • 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 regular 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: 235/85R16 or smaller
  • Wheel diameter: 16" or smaller
  • 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 3" 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 3" 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 5, 5/8" 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 3" 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" 20-1/2" 1" 5" 2-3/8" 4-1/4"


Axle-Less dimensions top view

G H I J K L
5-5/8" 6" 4-3/4" 1-3/4" 3-3/8" 3-11/16"




ASR1THDS05 Axleless Trailer Suspension System by Timbren - Standard Height Long Spindle - Without Hubs - 1 Ton HD

Installation Details TASR1THDS05 Installation instructionsAlternate Instructions TASR1THDS05 Installation instructions



Video of Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Drop - 4 Bolt Flange - 2,200 lbs

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of Timbren Trailer Leaf Spring Suspension - 1 Ton Axle-Less Trailer Suspension - TASR1THDS05

Hi, there. I'm Michael with etrailer.com. Today we're gonna take a quick look at this Timbren heavy duty axle-less trailer suspension. This suspension system is gonna provide a nice, safe, smooth, and quiet ride for your trailer. You're gonna have these two independent units that will replace your existing axle on your trailer. These do have a weight capacity of one ton or 2,200 pounds.

This will work for your single axle or dual axle trailers that use regular tires. This is not recommended for your triple axle applications. So having the two independent units here can eliminate the need for a through axle. That's going to help increase your ground clearance. Gonna lower your deck height for easier loading and unloading.

It can also help reduce the roll during cornering, and it's gonna fit any trailer width. So it's gonna be very easy to get this fitted onto your trailer. You're not gonna have to worry about finding the exact right length of axle. You can see with our spindles here, we are going to have a four inch drop. So that's going to give us an even lower deck height.

These easy lube spindles here are going to make it very easy for us to grease our bearings. So you can see we've got that built in grease zerk on the outside there. So we can just hook up our grease gun, pump some grease in there. It's gonna come out through a hole on the backside here to fill up that bearing and housing. This does have the option to be removed.

So if the unit is ever damaged, you can just replace the spindle there instead of having to replace everything. This does have the Aeon springs here on the side. You can see those are progressive rate main springs that are going to help absorb your road shock and support your trailer's load as you're going down the road. So it's gonna deliver a nice, smooth, stable ride regardless of your load size. So the more weight you put on your trailer, the more they're going to compress and become stiff. I had to support that weight. If you have a light load or no load at all, they're going to compress very lightly. So it's going to help to reduce the rattling that you sometimes get if your trailer is unloaded. The rebound springs on the backside here are going to act as a return device to minimize that rattle and bottoming out. And that's gonna create the constant pressure on the arm so that the suspension is never completely relaxed. These do have a built-in camber to them, as well as a tow-in that's gonna help keep the trailer to track straight. Reduce the wear on your tires especially as you put it under load. It's gonna make sure that everything is aligned properly. These are super easy to get installed. You can either bolt them on, or weld them to your trailer's frame. They do not include the mounting hardware. You'll have to pick that up on your own. Probably just local hardware store or something like that. One thing to keep in mind, it's possible that these can replace an axle. You won't have to have an axle, but it kinda depends on your trailer. So if you do not have a cross-member above the spot where you want to install this Timbren system, you're probably gonna need to reinforce the frame. You can do that one of three ways. You can retrofit the trailer with a cross member, you can build out the trailer frame, or you can use a standard two inch steel tubing to connect the two Timbren suspension units here. You can see there's a channel on the backside here that you can connect that to. Just your standard two inch steel tubing. You could probably find that in the welding section at a local hardware store, something like that. And so that's only if your trailer does not have the cross member above the spot where you're wanting to install these. So just make sure that your trailer is gonna be nice and supported across there. Those are the three options if you don't already have that support. These are a nice heavy duty steel construction with a black powder coat finish. So it's gonna resist wear and corrosion. It's gonna hold up really well for you. These are gonna do a really good job of helping to absorb that shock. Not gonna need much maintenance at all other than, you know, greasing up, lubricating your bearings there. But the rubber springs aren't gonna require any maintenance. They're gonna hold up really well and do a good job for you. So that's gonna complete our look for today. Again, I'm Michael with etrailer.com. Thanks for watching..


Customer Reviews

Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Drop - 4 Bolt Flange - 2,200 lbs - TASR1THDS05

Average Customer Rating:  4.6 out of 5 stars   (294 Customer Reviews)

Get more ground clearance and a smoother ride when towing with Axle-Less trailer suspension. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, 4" drop spindle lowers deck height for easy loading. Fits any trailer frame width.

by:



by:

The axle-less suspension worked very well for my boat trailer. The suspension was easy to attach to the trailer frame and provided a lower profile than the traditional leaf spring and axle system.



by:

The service from etrailer has been great! They have been very helpful through the entire purchasing process. My one star is due to the quality of the product. First, for something as heavy duty as these are, you’d expect better packaging. On arrival, one of the spindles was sticking out of the box and the hand holds were torn on one of the other boxes. I was a little worried what I might find in the damaged box but everything seems to be intact. The disappointing part is the quality of the welds. For the price you are spending on these, I would expect a higher quality of fabrication. There is undercut in the welds that hold the three support plates together and big ol sloppy welds every where else. Unsure of what to do as my trailer has been designed around this suspension system.



by:

Very smooth pull. I'm very impressed on how the trailer pulls. My traditional axle trailer seemed to bounce a lot on the highway which made a lot of noise, but with the Timbren Axle-less that I installed on a new trailer, the trailer is so smooth and way less noise.
Great product.



by:

Installed the Timbren Axle-less suspension a little over a year ago and approximately 5000 miles ago. I have been extremely satisfied with the installation and performance thus far and have had no issues. I also chose to install an optional crossmember for more strength using a 1/4" thick piece of 2x3 steel. I had to increase the weight capacity of my campers suspension due to renovating the interior completely and adding more weight. I also strengthened the frame to accommodate the extra weight. In addition to installing the Timbren 5200LB system I installed new 12" electric brakes and upgraded to 225/75R15 tires with E load range rating.



by:

Installed the Timbren Axle-less suspension a little over a year ago and approximately 5000 miles ago. I have been extremely satisfied with the installation and performance thus far and have had no issues. I also chose to install an optional crossmember for more strength using a 1/4" thick piece of 2x3 steel. I had to increase the weight capacity of my campers suspension due to renovating the interior completely and adding more weight. I also strengthened the frame to accommodate the extra weight. In addition to installing the Timbren 5200LB system I installed new 12" electric brakes and upgraded to 225/75R15 tires with E load range rating.



by:

The trailer rides great down the road and no more worries about saltwater and rusty leaf springs. Not a cheap option but I’m very happy with the setup. When installing, just be sure to measure accurately and have sharp drill bits. A drill press type of guide also helps ensure correct drilling angles. The first picture is of a mounting gusset a local welding shop made. One is needed for each side and necessary to provide needed mounting strength-at least on my trailer frame. Pics 2 and 3 show the mounted suspension on one side of the trailer. Pic 4 shows the suspension on one side of the trailer with the axle attached and a separately purchased disc brake assembly mounted on it. Finally, pic 5 shows a 2” box channel between both suspension assemblies. Independent suspensions would have been nice, but I wanted to ensure trailer rigidity was maintained. So, after one year, so far, so good. It’s all smooth sailing down the highway.



by:

Incredible system. Handled our Overland trek through Colorado and Moab. These axles on our 1917 Ford bed ran multiple Jeep Badge of Honor trails. The suspension handled flawlessly. Handles off camber rocks and drop offs smoothly. We ran the 4 inch lift and off road offset to fit the factory Jeep wheels.



by:

Five star. shipping was slow. Product was great 14 K 14 plies under 2000 pounds independent suspension. Low fast and sassy. Yep that’s how I build them.



by:

Purchased 2 sets of the Timbren 1200 Axle-less systems for upgrading the suspension on an older 30' ft glider trailer. Single axle with small (13") tires made towing tough due to porpoising, dragging on drive entrances do to poor flotation; also German made and metric, no repair parts. GVW 2000 lbs equated to bouncy ride.

Dual sets now allow the trailer to ride over bumps and sharp inclines easily, smoothly, little bounce on country roads; porpoising is history. My glider now rides securely, safely, quietly.

Install time 4 1/2 hours (includes head-scratching). Results are outstanding, units are totally solid. Recommend the square tube interconnect, easy and quick - trailer frame was on the light side, so a precautionary fix. Clean look underneath.

Ordered 5 wheels w/tires, very nice.

Helpful neighbor so impressed he ordered a HD single set for his new DIY snowmobile trailer.

Customer satisfaction 100%, from phone order, online support, product information, immediate shipping, install instructions, followup... HIGHLY RECOMMENDED!



by:

Trailer suspension and disk brake performance is outstanding big big difference over leaf spring and electric drum brakes.
Installation required modifications to the frame to monut the timbren suspension



by:

I rebuilt a 4 x 8 trailer using the Timbren Axle-Less Trailer Leaf Spring Suspension and it works great. I would recommend it to others.



by:

They have more pros than cons, but the second set I bought broke the flat plate that holds the spindle at about 8 months. The steel quality seemed less than I would expect since it basically peeled it back like a pop can as you can see in the pictures. Otherwise I like the clearance and ride. They last 2-3 years where the torsion axles I replaced would wear out in 4 months after driving down rough gravel roads. There is a grade zerk on the underside which I didn't realize until I bought the second set. That would have helped the first set last longer had I known about it.



by:

I put these on an off-road trailer build. They have been fantastic! I've done many miles and they held up great. Highly recommend.



by:

I used these axles in a different way than most would. I needed a trailer that was small, could handle tight switch-backs, carry 600 lbs and be light. I had this idea and as a retired design engineer I saw a great possibility in this axle. I have made four of these trailers now, one as a camp trailer, 2 for trail work for State Parks and one as a utility trailer.



by:

Timbren saved our RV road trip! The leafs on the axle on our 2018 Jayco TT came apart while driving in Maryland. We tried going to the manufacturer, but they were useless. Going to a RV mechanic meant being grounded for at least 2 months. Then we found Timbren. With the help of Timbren's excellent staff we purchased axle-less system through etrailer, who made sure we got as quick as possible. It came ahead of schedule, my husband installed the Timbren system and we were back on the road! The axle-less system is better than the original manufacturers. If you plan on taking your RV or TT farther than 100 miles GET THIS INSTALLED and get it through etrailer.



by:

These units install easily, are well made, and perform great! The trailer doesn't bounce around like you see a lot of trailers do while traveling down a bumpy road. I traveled some unpaved roads with no issues. I am certainly glad I went axleless. I installed with 15" tires. Problem is I didn't go big enough.

I intended to install on an existing trailer that I had. Changed my mind and built a new trailer. The new trailer came in heavier than I had planned. 2k pound capacity is now too small. I have to watch what I load the trailer with so I don't over load the suspension. I intend on buying the 3500 pound units when I have the money.



by:

enclosed are pics of trailer and spindle units. I was very happy with the end result,
lowering ez loader trailer 8 inches for hovercraft. the spindle units were well made,
very strong but had some weld repairs as pictures show.i could not set the needed
adjustments till I cleaned up the units with a stone and file. also please improve the
packaging . these heavy units need something better than cardboard for shipping.
they were dislodged from Styrofoam and partially poked holes thru cardboard. but
fortunately no damage there. again im happy with the installation.thank you!!!



by:

I installed these on my single axle travel trailer to replace the axle and leaf springs. Weight savings was a wash with the required steel tube for added stability. I installed on an I-Beam using aluminum plate as a spacer. It took my friend and I 3 days to install everything. The hardest part was rerouting my black pipe propane line. I also had to install it just back of center due to a steel cross beam being in the way of the middle bolt hole. I replaced the brakes and hubs as well as the wheels to match the new hubs.

Overall we've been super happy with this upgrade. The trailer rides a lot smoother. I'm not finding random screws on the floor after a long bump ride.

We decided to do this after our leaf spring broke 2 times, 12k miles between. We were done dealing with a subpar suspension. I probably would not recommend doing this if your leaf springs are working for you. We put a lot of miles on our trailer. We aren't weekend campers.



by:

The order came in on time and the customer service at etrailer.com (Ashley) and Sean from Tmbren was outstanding. They both were very helpful in my choosing the right product for my needs. The axle less suspension's performance is absolutely superb. It vastly improves ride quality. I am using it on a teardrop camper that often goes on gravel roads and the raddling sound from the leaf axles was horrible. A couple of points to consider before you settle on the axle less suspension: keep in mind that you will lose some hight of the trailer. While you will gain clearance from the lack of the axle, the suspension will make the trailer sit lower than before.i had to lower my hitch by an inch to maintain the trailer leveled. Also it does appear to compress at higher rate than the leaf springs, which makes it softer but easier to reach it's limit. Overall this product is absolutely a must if you are looking to improve the safety and the quality of your towing.



by:

This suspension system did EXACTLY what I wanted. I replaced the leaf springs, axle/hubs on my small trailer. The new suspension improved the capacity, lowered the bed 4+inches, improved ground clearance and allowed me to rebalance the trailer all WITHOUT having to have any welding done. Everything needs to be measured very exactly and the alignment technique is fairly cumbersome and takes a bit of time. In the end, I have a quiet, steady, strong, low riding trailer. What more could you ask for



by:

So far great! I used one of the Timbren Axles in a mountain trail camp/SAR trailer I just finished building. I have only had the trailer on roads because all the trails I want to try it on are still under snow...but it is melting fast. I have included a couple of photos.



by:

Actual trailer weight 1540#, 210# tongue weight. 1310# suspension load. After 600 miles, both springs collapsed making the suspension rigid. Have received replacement springs from Timbren but haven't had a chance to try them out.



by:

Needed a suspension system that I could make a low profile kayak trailer, that would fit in a specific area next to my garage. These were excellent that I could make the trailer any width I wanted. Easy to install and well made.



by:

Pleased with ETRAILER, will order here again. Not as happy with the torsion axle setup. 2 inch square opening for tying both axles together with your own 2" square tubing are not shaped to match 2x2x1/8 tubing. Grinding and welding of tubing required to make it fit. Also found the overslung stub axle left the end of the pivot arm without much ground clearance though the unit was intended and spec'd for atv tire off road use. A pivot arm with mounting pads top and bottom would be better and allow the user to choose high or low clearance use. I found the units were perfectly suited to offroad use once I fabricated new mounting pads and welded them to the bottom of the arms.


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See what our Experts say about this Timbren Trailer Axles

  • Solution for Replacement 2,200 Pound Torsion Axles on 2006 Triton ATV88 Trailer
    I do have a solution, but we do not carry any replacement torsion axles. What I can offer is the Timbren Axle-Less Trailer Suspension System - Spindle w/Brake Flange - Regular Tires - 2,200 lbs # ASR1THDS01. This is a complete axle and suspension system that can bolt or weld to your trailer's frame. This fits any frame width so there is no need to measure. This system uses AEON progressive-rate main springs to absorb road shock and support trailer's load. This will also increase ground...
    view full answer...

Info for this part was:

Employee Lindsey S
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Employee Wilson B
Updated by:
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Employee Noah M
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Employee Kristina F
Written by:
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Employee Michael B
Installed by:
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