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  1. Trailer Axles
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  3. 3500 lbs
  4. Universal Fit
  5. Rubber Spring Suspension
  6. Spindles Only
Timbren Heavy-Duty Axle-Less Trailer Suspension - Straight Spindle - Off-Road Tires - 3,500 lbs

Timbren Heavy-Duty Axle-Less Trailer Suspension - Straight Spindle - Off-Road Tires - 3,500 lbs

Item # ASR35HDS01
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Our Price: $1,196.45
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Designed for off-road tires, the heavy-duty Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle. Suspension units with brake flanges replace your existing axle and operate independently. Fits any frame width. Lowest Prices for the best trailer axles from Timbren. Timbren Heavy-Duty Axle-Less Trailer Suspension - Straight Spindle - Off-Road Tires - 3,500 lbs part number ASR35HDS01 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (49)
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Timbren Trailer Axles - ASR35HDS01

  • 3500 lbs
  • Universal Fit
  • Rubber Spring Suspension
  • Spindles Only
  • No Hubs
  • Timbren
  • Easy Lube Spindles

Designed for off-road tires, the heavy-duty Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle. Suspension units with brake flanges replace your existing axle and operate independently. Fits any frame width.


Features:

  • Suspension system provides a safe, smooth, quiet ride for your trailer
    • 2 Separate units replace your existing axle
    • Oversized components are ideal for off-road and heavy-duty applications
  • AEON progressive-rate main springs absorb road shock and support trailer's load
    • Deliver a smooth, stable ride, regardless of load size
    • Compress and become stiffer as load increases, boosting spring strength
  • Rebound springs act as return devices to minimize rattle and bottoming out
    • Create constant pressure on the arm, so the suspension is never completely relaxed
  • 2 Independent units can eliminate the need for a thru axle
    • Increase ground clearance
    • Lower deck height for easier loading and unloading
    • Reduce roll during cornering
    • Fit any trailer width
  • Built-in camber and toe-in help your trailer to track straight, reducing wear on the tires
  • Straight, EZ Lube spindles accept trailer hubs (sold separately)
    • EZ Lube feature makes it easy to grease bearings without removing the hub
    • Spindles can be removed from units for simple replacement if damaged
  • Heavy-duty steel construction with black powder coat finish resists wear and corrosion
  • Easy to install and align
    • Bolt or weld to your trailer's frame


Specs:

  • Fits: 1-axle and 2-axle trailers that use low-pressure, off-road tires
    • Not recommended for triple-axle applications
  • Weight capacity: 3,500 lbs
  • Brake flange bolt configuration: 5 bolt
  • Quantity: 2 suspension units without hubs
    • Works with 5,200-lb, 6,000-lb, or 7,000-lb hub and drum assemblies (sold separately)
  • Spindle/hub compatibility for 5,200-lb hubs/drums:
    • Bearings: 25580 inner/LM67048 outer
    • Seal inner diameter: 2.125"
  • Spindle/hub compatibility for 6,000-lb hubs/drums:
    • Bearings: 25580 inner/15123 outer
    • Seal: 2.125 inner diameter
  • Spindle/hub compatibility for 7,000-lb hubs/drums:
    • Bearings: 25580 inner/14125A outer
    • Seal inner diameter: 2.125"
  • 3-Year limited warranty


Note: The Timbren Axle-Less suspension system may require additional support on your trailer. If your trailer does not have a crossmember above the spot where you want to install the Timbren system, you may need to reinforce the frame. You can accomplish this three ways. First, you can retrofit the trailer with a crossmember. Second, you can build out the trailer frame. Third, you can use 2-inch by 3-inch steel tubing to connect the 2 Timbren suspensions together using the built-in hole on each unit.


The heavy-duty Timbren Axle-Less system combines Timbren's standard 3,500-lb Axle-Less system components with 2,000-lb AEON rubber springs, giving you a suspension system that is perfect for your small, off-road trailer. It allows you to use parts that would typically only fit a larger trailer on your undersized trailer. Add brakes for improved control. Get greater ground clearance and increased durability by installing bigger tires and wheels. This makes the heavy-duty Axle-Less suspension system ideal for off-road use.


Ground Clearance

Ride on rubber with Timbren's Axle-Less trailer suspension system. This one-of-a-kind suspension consists of two separate units, each containing rugged steel arms and two strong, hollow rubber springs. Overall, the system safely and effectively absorbs road shock, minimizes trailer bounce and rattle - regardless of load size - and helps to protect your trailer's components and cargo. Built-in camber and toe-in keep your trailer tracking straight to minimize tire wear. Integrated hangers attach to your trailer's frame. And 2-inch by 3-inch holes make it easy to reinforce your trailer's frame by adding standard, 2-inch by 3-inch-steel tubing (if needed).


The Axle-Less independent suspension system replaces your trailer's existing leaf spring suspension and can eliminate the need for an axle. The independent action of the suspension reduces roll when your trailer is cornering and allows you to maximize ground clearance and minimize deck height. Your trailer can have the same side-to-side clearance as your tow vehicle. And the low deck height makes it easy to load cargo from either the rear or the side.


Because you're riding on rubber, your trailer will ride smoothly and comfortably, whether you're navigating rocky terrain or highway asphalt.


Timbren Axle-Less Suspension Parts

Components

  1. The AEON progressive-rate main spring supports the weight of your trailer and cargo and easily absorbs road shock. It is constructed of heavy-duty, hollow rubber.
  2. The rebound spring minimizes trailer bounce, rattle and bottoming out. It keeps the suspension under constant tension and ensures that the main spring compresses and expands in a controlled fashion. And it delivers a smooth, stable ride - regardless of how much cargo is on the trailer.
  3. The trailing arm and integrated hanger attach 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 urethane bushings that never require lubrication.
  5. The EZ lube spindle is simple to grease. If damaged, it can be removed and replaced, saving you both time and money. The spindle also includes a 5-bolt brake flange for simple mounting of trailer brakes.
  6. The hub is not included with this model.
  7. The built-in hole accepts standard 2-inch by 3-inch tubing. If there is no crossmember above the suspension, you can easily add support to your trailer's frame by inserting 2-inch by 3-inch steel tubing through the hole on each suspension unit and then bolting the tubing into place.

Timbren Axle-Less Suspension versus Leaf Springs

Leaf Spring Example

The Axle-Less suspension's progressive spring is a definitive upgrade over leaf springs. Although leaf springs deliver a stable ride when supporting a load, a trailer with leaf springs will bounce and rattle when it's empty or supporting a light or off-center load. On the other hand, your trailer can bottom out on bumpy roads if the load is too heavy. The AEON progressive-rate springs of the Axle-Less suspension always deliver the same reliable performance, no matter the load size. As more weight is added to the trailer, the springs compress and become stiffer, offering more support for heavy loads. And because they rebound more slowly than leaf springs, the AEON springs do a better job of absorbing road shock, thereby keeping your trailer from bouncing and rattling when you're carrying a light load. So with this versatile system you will enjoy a smooth ride whether you're towing an empty trailer or a hefty load.


Unlike leaf springs, Timbren's Axle-Less suspension units operate independently of one another. Each spring activates only when needed. This reduces roll and delivers top-notch performance, even when you're hauling off-center loads. When your trailer with leaf springs takes a turn, one side of the suspension compresses and takes on more weight, and the other side becomes looser and bounces. This causes rattle and can make the trailer lean to one side. But when your trailer with the Axle-Less suspension takes a turn, one side compresses and becomes more rigid to absorb the weight, and the other side expands to normal height to help steady the load and minimize bounce and rattle. The load stays better balanced, even if it is off-center.


Timbren Axle-Less Suspension versus Torsion Axles

Torsion Axle Example

Timbren's Axle-Less trailer suspension system is a great alternative to torsion axles. While both systems allow either side of the trailer's suspension to operate independently, only Axle-Less suspensions are actually separate units. Torsion axles still require a bar that spans the bottom of your trailer, whereas Timbren's system can eliminate the need for a thru axle - giving you the same amount of ground clearance from the front of your trailer to the rear. It also allows Axle-Less suspensions to fit any trailer width - unlike torsion axles, which have to be fitted to an exact frame width.


Axle-Less suspensions operate in a smoother, less stressful manner than torsion axles. Torsion axles use a twisting motion, where the bar inside the axle tube rolls against rubber cords or a rubber wall to create compression and resistance. The up-and-down motion of the main spring and the side-to-side motion of the rebound spring in Timbren's Axle-Less suspension work together to provide smooth, consistent compression - with no twisting - that results in a better ride and less stress on the suspension's components.


Installing the Timbren Axle-Less Suspension

Whether you are building a trailer or retrofitting your existing trailer with the Axle-Less system, you must make certain that the trailer's frame is both perfectly square and sturdy enough to support a heavy load without the aid of a thru axle.


Install Option 1

There are three ways to install the Axle-Less suspension. The easiest method, which is recommended if you are replacing axles on your trailer, is to install a piece of 2-inch by 3-inch tubing (sold separately - available at most weld shops) through the integrated hole in the Axle-Less suspension. Then all you need to do is bolt the suspension to the side of the trailer's frame with three bolts (not included).


Install Option 2

The second option for installation is to fabricate an inboard extension plate that attaches the trailer's frame to the Axle-Less suspension.


Install Option 3

The third method of installation is to bolt the Axle-Less suspension's hanger to the trailer's frame and to an existing crossmember that is in the area where you want to install the suspension.


With both the second and third options, you must use three bolts to attach the suspension to the side of the frame. And you also have to use two or three bolts to attach the suspension to the bottom of the frame extension, or crossmember. Both the second and third methods of installation will eliminate the need for a thru axle and provide the most clearance.


Measuring Diagram

Timbren's Axle-Less suspension units should be installed directly across from one another. Before mounting the units, measure back from the coupler and mark the frame to make sure that the two distance measurements (A and B) are within 1/8 inch of each other. Then you can drill holes through the frame and attach the hangers with Grade-5, half-inch bolts (not included).


Dimensions 1

Dimensions 2

Dimensions 3

Dimensions 4



ASR35HDS01 Heavy Duty Axleless Trailer Suspension System by Timbren - Straight Spindle - Without Hubs - Wide Tires - 3,500 lbs

Installation Details ASR35HDS01 Installation instructionsAlternate Instructions ASR35HDS01 Installation instructions




Customer Reviews

Timbren Heavy-Duty Axle-Less Trailer Suspension - Straight Spindle - Off-Road Tires - 3,500 lbs - ASR35HDS01

Average Customer Rating:  4.7 out of 5 stars   (49 Customer Reviews)

Designed for off-road tires, the heavy-duty Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle. Suspension units with brake flanges replace your existing axle and operate independently. Fits any frame width.

by:

Quick, online support, fast shipping, looks like I received exactly what I ordered.



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by:

Review from a similar HD Axle-Less in Trailer Axles


I just completed the install of the Timbren independent suspension system with dexter electric brakes and hubs on a 2008 TAB teardrop trailer. The was not an easy install on a 2008 TAB trailer. The original axel system bolted to a light frame and the spacing did not work with the new components. I had to build a 1/4 inch steel adapter plate shimmed out 1 inch to get the wheel clearance needed then bolt the Timbrens to the adapter plate. Now that it is all installed, the trailer runs much smoother since each wheel can step over bumps with out transferring the impact across a solid axel to the other side. The old system was an old style mechanical surge brake system which was worthless. The new electric brakes and a Tekonsha P3 controller works fine.



by:

Review from a similar HD Axle-Less in Trailer Axles


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.



by:

Review from a similar HD Axle-Less in Trailer Axles


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.


Comments
Its been a year since Ive installed the new axles on my trailer my comments above still hold true. Im very pleased with the ride quality of the system after a year. The trailer tracks true and has hauled many things other than my motorcycle. Even empty it doesnt hop around like the original stock straight axle did. No regrets on the purchase.
Pat A - 03/15/2018


by:

Review from a similar HD Axle-Less in Trailer Axles


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.


Comments
Ashley, the 4 version doesnt actually give it more travel. Its the same was the standard or the system as far as suspension travel. What the 4 system does it lift the height of the trailer from the ground, depending on what youre doing with the trailer. For an off road trailer I personally would do the 4raise for added ground clearance, just gotta make sure the trailer doesnt get top heavy. The standard system is good for pretty much all uses and the system is for when you need a really low deck height for a lawn mower or go kart for example. I appreciate your review as I am going to be building a small off road campingbug-out trailer to tow behind my lifted FJ cruiser. I havent decided if I am going to go with the standard height or the 4 lift as I am going to be running the same off road tires toyo RT that I have on my FJ on the trailer and I want the trailer to sit around the same height. Did you add brakes to yours? Im planning on either running electric brakes or if available in am going to run surge brakes.
-- comment by: Michael - 01/15/2016

Comments
Michael, My trailer was so light even fully loaded that I didnt see the need for brakes and never missed having them.I stand corrected: We did get the 4 lift, but the non-HD instead of the HD because the specs said that it had a bit more travel. and we didnt need the weight capacity. That being said, Im still happy with how this suspension performs. My trailer is on 31s on a stock Cherokee.
-- comment by: Ashley - 01/18/2016


by:

Review from a similar HD Axle-Less in Trailer Axles


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!


Comments
HI Matt,WHat size wheel did you use and which hub did you get to match?Appreciate the info
-- comment by: Conrad S - 04/01/2015

Comments
They are GREAT! I put them on a small offroad trailer that has followed me all over some really rough roads in remote Oregon, Washington, and Idaho. They have performed flawlessly, helped the trailer tow extremely well, and were the single best upgrade I did to that trailer. Very much looking forward to another summer of exploring! Massive upgrade to the stock axle leaf spring combo, and I have had the opportunity to show it off to alot of fellow overlanders. I cant speak high enough of them. I also purchased a set of airbags for my vehicle which unfortunately have not held up terribly well. I have had to field repair one once already, and neither holds air terribly well. Truth be told they seem very underdesigned for the job they perform. From my super secret high tech pocket internet window.
Matt N - 02/06/2016


by:

Review from a similar HD Axle-Less in Trailer Axles


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.



by:

Review from a similar HD Axle-Less in Trailer Axles


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.



by:

Review from a similar HD Axle-Less in Trailer Axles


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...



by:

Review from a similar HD Axle-Less in Trailer Axles


They seam to be very high quality but were very slow to arrive 3-4 months



by:

Review from a similar HD Axle-Less in Trailer Axles


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.


Comments
Your comments regarding the Axle-Less Suspension are greatly appreciated. To address the issues you have pointed out, we have carefully reviewed our assembly. While we did not come across any major issues, we did however discover a few areas where the quality could be improved, specifically in the areas you brought to our attention. The following improvements have been made to improve the manufacturing process: - Robotic welder gun re-programmed so that it stops from getting too close to the areas adjacent to the mounting holes of the outboard arm and control arm. This will minimize weld spatter. - The distortion of the flat plates is due to the high degree of heat generated during welding. We conducted experiments, changing the sequence of welding operations until we were successful in minimizing the distortion. We apologize if our customer service in addressing your concerns was insufficient at the time of your phone call. Timbren is an ISO 9001:2008 company with an excellent reputation for providing customers with quality products that are well-performing and easy to install.
-- comment by: Quality A - 09/26/2013

by:

Review from a similar HD Axle-Less in Trailer Axles


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:

Review from a similar HD Axle-Less in Trailer Axles


After a fair number of miles including a lot of off road driving, I have nothing but good things to say about Timbren suspension. I have had a few questions and concerns and the support from Timbren has also been stellar. I would suggest you use the 2" crossmember no matter how solid you think your trailer is as it seems to really help in making everything perform well.



by:

Review from a similar HD Axle-Less in Trailer Axles


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



by:

Review from a similar HD Axle-Less in Trailer Axles


Built a custom trailer to haul an ATV on some bad rural roads in Baja.
I used the 2" drop axel-less suspension to allow for full size tires and wheels yet keep center of gravity low. Easy to install on exposed frame, but note that a required brace or 2" square steel bar may be needed and sourced on your own. The finish is not very durable and does not survive the normal bumps, wrench scrapes and scratches of installation; plan on some touch up once installed. Pay attention to the spindle clearance and wheel offset.



by:

Review from a similar HD Axle-Less in Trailer Axles


I live in California and I'm building a custom off-road camping trailer for overlanding/camping, mainly for the Sierra Nevada backroads, but possibly for longer trips in a variety of terrain. I had read about the axle-less suspension from Timbren and found that it's a popular choice for these types of trailers. In my searches, etrailer.com came up frequently. So I posted a few questions on their web site, and got a prompt response with tons of great information and a complete parts list for what I needed. Much appreciated! The order handling and shipping was very prompt, and all my parts were shipped in one shipment which I definitely appreciate since I don't get packages delivered to my door. I received all the packages today. Great customer support, prompt handling, and quality products. I gave 4/5 stars because the packaging could have been a little better. One of the boxes was a little banged up in the corners, but the content was unharmed as far as I can tell. I've also received follow-up emails to ensure that I received everything and that it was in good shape. Overall, I'd highly recommend the company, and I won't hesitate to buy from etrailer again! My trailer build will probably take a few months to complete with all the bells and whistles, but I'll be sure to post pictures from the process.



by:

Review from a similar HD Axle-Less in Trailer Axles


I’m very pleased with the products I received and would like to thank Danielle H for taking the time to help me find the right suspension for my personal build. She was very knowledgeable and by far one of the best that I have spoke with throughout the many industries I have contacted to find what I needed. I would advise anyone to give her a call if you’re looking for a great product but most of all someone who will take the time and with an Awesome Personality to help you find what you need. Thanks Ms Danielle H for all your help.



by:

Review from a similar HD Axle-Less in Trailer Axles


Havent had them on the road yet but install was pretty easy and they came out of the box more beefy than i was expecting ????



by:

Review from a similar HD Axle-Less in Trailer Axles


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



by:

Review from a similar HD Axle-Less in Trailer Axles


Fast service, good informational updates, quality products (the axles look awesome!) reasonable pricing and in time delivery! Very satisfied with the service I recieved from etrailer! I would definately purchase again or refer them to others!
Thank you



by:

Review from a similar HD Axle-Less in Trailer Axles


I purchased the Timbren suspension components to upgrade the suspension on my vintage trailer. A phone call to etrailer got all my questions answered and the help I needed to get the right Timbren set and the right hubs. Everything was received in short order in good shape, except there was a small glitch - one part of the system wasn't included in my shipment. A call to Bill at etrailer resolved that issue inside a day, and the missing pieces were shipped right away. Excellent service and support from start to finish - this is the way you want to do business!



by:

Review from a similar HD Axle-Less in Trailer Axles


Exellent product, I installed the Timbren axless suspension on my little guy rough rider teardrop trailer, got four inches of lift and no axle hanging down in the way. I can now run 33 inch tires with no problems. The customer reps Karen and Katie were the best service people I have worked with in a long time, very friendly and went above and beyond to help me, great company great people. Shipping was very fast . Thanks again, Mark



by:

Review from a similar HD Axle-Less in Trailer Axles


Massively overbuilt and highest quality !! Note that these are HD versions which have 6000lb spindles and use 6000lb bearings, seals and brakes.


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Ask the Experts about this Timbren Trailer Axles



  • Is Timbren 3500-lb Axle-Less Trailer Suspension # ASR35HDS01 Suitable for Off-Road Tires
    My contact at Timbren confirmed this kit includes wide spindles designed specifically for use with wider off-road tires so this should be a fine choice for your application. The Timbren 3500-lb Axle-Less Trailer Suspension # ASR35HDS01 is indeed fairly new to our site, having been added in October 2013. This kit offers bolt-on (no welding) installation and fits any width trailer frame. It can even be installed on aluminum trailer frames. This product has wide, straight EZ-Lube spindles...
    view full answer...
  • Can Timbren Axle Less Kit Install on Trailer with C-Channel Frame
    Timbren axle less kits can install on trailers like yours with C-channel frames. We've had this question sent into us before and when we spoke with Timbren they told us that the C-channel frame design will be fine assuming that the open part of the C is on the inboard side and not the outboard side of the frame. Inboard means towards the middle of the trailer and outboard means towards the outside. If the C opening is on the outboard side you would need to box out the frame by having a...
    view full answer...
  • Dimension Pictures of Timbren Axless Less Kit # ASR35HDS01
    I attached a few pictures that show the dimensions of the Timbren Axle Less Kit part # ASR35HDS01 that you referenced. We have similar kits that have 4 inch drops and lifts. Take a look at the pictures and let me know if you they would work for you.
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Timbren 3,500 Pound Axle-Less Trailer Suspension System to Work with Hydraulic Handbrake
    We offer three heavy-duty off-road Timbren systems for 3,500 pound axles: Straight spindles # ASR35HDS01 2 inch lift # TASR35HDS06 4 inch lift # ASR35HDS02 I've linked our selection of hub and drum assemblies that will fit the Timbren systems so you can choose the correct bolt pattern.
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  • Suspension System Recommendation for an Off-Road Tear Trailer that is Breaking Leaf Springs
    I have a solution for you, but the leaf springs we sell aren't rated for off-road use. That's why you are snapping springs. Off-road conditions are just too rough for trailer springs designed for on-road use. Instead you would want the Timbren Heavy-Duty Axle-Less Trailer Suspension - 4" Lift Spindle - for Off-Road Tires # ASR35HDS02 to add a 4 inch lift, or part # ASR35HDS01 for a straight axle. Both of these are designed for what you are doing and are made to accommodate wider tires...
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    Image 1 for
  • Replacement Axle Options for EZ Loader Boat Trailer with 91-1/2" Hub Face to Hub Face
    I may have a solution for you, but that's not going to be a stock axle that we have available and anything matching would require a special order axle. However, you could go with an axle-less suspension system like the Timbren # ASR35HDS01, which is a 3500-lbs system and is one of our more popular axle replacement options as people really like the fact that it will replace the axle and the suspension. If you'd like to go this route, just provide me with the capacity of your current axle...
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  • Timbren Axle-Less Trailer Suspension System 3,500 lb Axle for Off Road Tires and Straight Spindle
    For the straight spindle, 3,500 lb axle version of the Timbren Axle Less system that was designed for the wider off-road tires you'd want the part # ASR35HDS01.
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  • Comparing Timbren Axle-Less Suspension Kits for Regular Tires vs. Off-Road Tires
    The 3500-lb Timbren axle-less suspension kits # ASR3500S06 (regular tires) and # ASR35HDS01 (off-road tires) differ in that the kit for wider off-road tires provides a 2-inch greater distance from the mounting point on the trailer frame to the hub face. This 8-inch distance versus the 6-inches for the regular tire kit means wider off-road tires will have the necessary clearance to avoid contacting the trailer frame. The linked image for off-road kit # ASR35HDS01 shows the wider 8-inch...
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  • Can I Use A 3,500Lb Timbren Axle-Less Trailer Suspension System With Ford 6 X 135 Hubs
    Your 6 X 135 6 lug hubs, are not trailer hubs. I only have timbren axle less suspension systems for trailers, so your hubs are not compatible with anything we offer. The closest thing I have to what you are looking for is Timbren Axle-Less Trailer Suspension System w Hubs - Straight Spindle - 5 on 4-1/2 -,part # A35RS545. While it does come with hubs, it would require you to use a 5 on 4-1/2 wheel. You may be able to find trailer wheels that match your truck's wheels in appearance. I...
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  • Differences Between Timbren Heavy-Duty Axle-Less Trailer Suspension # ASR35HDS01 and # A35RS545E
    The Timbren Heavy-Duty Axle-Less Trailer Suspension # ASR35HDS01 doesn't have hub/drums like the # A35RS545E does and the spindle is spaced out further from the frame to allow for wider tires with the part # ASR35HDS01 but aside from that they are the same capacity and ride height.
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  • 5TH Wheel Trailer Hitch That One Person Can Install And Remove For a 2021 Ram 3500 With Prep/Puck
    I recommend using the Andersen Ultimate Connection 5th Wheel Trailer Hitch System # AM3200 on your 2021 Ram 3500, as this is the lightest 5th wheel hitch available. The removable portion of the hitch weighs just 40lbs making it very easy for one person to remove from the truck. You will only need to undo the 4 pins and clips from the rail adapter. You will need the Demco 5th Wheel Rail Adapter # DM6099 to convert your factory in bed hitch prep/puck system to the industry standard rails...
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  • What Replacement Pinions Do I Need for My 3,500 Pound Axle?
    As far as the pinion/spindle, you can replace the spindle itself, but there are a few different options as far as the inclusion of a brake flange, the diameter of the end stub, and whether the spindle is square or round. I went ahead and linked all of the available spindles we have for a 3,500 pound torsion axle. As far as the installation process, you will need to grind/drill the old ones off and weld the new ones onto the axle. If you want an easier solution, I recommend replacing the...
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  • How to Use a 3,500Lb Timbren Axle-Less Trailer Suspension System with 6 on 5-1/2 Inch Bolt Pattern
    Yes, there is a 3,500lb Timbren Axle-Less Trailer Suspension that will allow you to use trailer hubs with a 6 on 5-1/2" bolt pattern but you will need to use the Heavy-Duty version part # ASR35HDS01. This system has larger spindles which will be compatible with trailer hubs that have the bolt pattern you requested. If you just need idler hubs and do not have brakes then you can use the Dexter Trailer Idler Hub Assembly part # 8-213-5UC1-EZ which uses a 25580 inner and LM67048 outer bearing....
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  • Timbren Kit Recommendation for Trailer for 6 on 5.5 inch Bolt Pattern and Brake Assemblies
    You would need to go with the 5,200 lb Timbren part # ASR5200S01 so that you could use a 6 on 5-1/2 inch bolt pattern like the # 8-201-5UC3. Then for brake assemblies you'd want the part # AKEBRK-7-SA.
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  • Replacing A Dexter Axle Rated At 3,500 Lbs With HF Measurement of 73 And SC Measurement Of 58
    I do have some options for you. We do have an axle rated at 2,200 lbs with a hub face to hub face measurement of 72" and a spring center to spring center measurement of 58". It is the Dexter Trailer Idler Axle Beam with EZ-Lube Spindles - 72" Long - 2,200 lbs, part # T20BTR-EZ-7258. This is the closest axle we have to the measurements you need. Unfortunately, I do not have a 3,500 lbs axle with these dimensions. A better choice would be to go with a Timbren axle-less system. The Timbren...
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  • Solution for Building Overland Trailer With 66 Inch 3,500 Pound Axle
    In order to add an axle to your overland trailer I recommend using the Timbren Axle-Less System. I do not recommend cutting 2' off of the # 35545E-ST-89 in an attempt to shorten it and make it fit your trailer. You could also order a custom length axle from an axle manufacturer. The nice thing about the Timbren system is that it fits any trailer width. This would also eliminate guess work with your axle length. It also acts as the suspension, and each side works independently which is...
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  • Recommended Axle-Less Suspension System For Lightweight Off-Road Trailer
    Since you want to travel off-road I recommend the Timbren Axle-Less System, part # ASR1200S01. This is designed for off-road tires and has a capacity of 1,200-lbs. The hub assembly I recommend is part # 8-91-05UC1-EZ. This system does not have the same bolt pattern as your Tacoma. This hub has a 4 on 4 wheel bolt pattern. Since you said you want to match the 6 x 5-1/2 bolt pattern of your Tacoma you will need to use a more heavy-duty system like part # ASR35HDS01. This is a 3,500-lb...
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  • Can Timbren Heavy-Duty Axle-Less Trailer Suspension Work With Regular Tires
    Even though the Timbren Heavy-Duty Axle-Less Trailer Suspension, part # ASR35HDS01 says it is for off-road tires(they are usually wider), it will still perform extremely well with regular tires as well. This system is designed with EZ-Lube spindles and has a weight capacity of 3,500-lbs. It does not come with hubs so if you need an idler hub that will work I recommend part # AKIHUB-655-35-EZ-K. If you are interested in a hub and drum that you can use with brakes I recommend part # AKHD-655-35-EZ-K....
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  • Recommended Timbren Axle-Less Trailer Suspension for Off Road Tires
    Unfortunately we don't carry hubs compatible with the Ford 6 bolt hubs as they are not trailer hubs. For the Timbren Heavy-Duty Axle-Less Trailer Suspension- Off-Road Tires # ASR35HDS01 you can use brake assemblies # AKEBRK-6L which will work with 12x2 inch hubs. If you determine you desire to use trailer hubs, I recommend the Dexter Trailer Hub and Drum Assembly - 5,200-lb and 6,000-lb E-Z Lube Axles - 12" - 6 on 5-1/2 # 8-201-9UC3-EZ which are a confirmed fit. They will not work with...
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  • Recommended Timbren Axle-Less Suspension for 3,100 lb Off-Road Trailer
    If your trailer has a GVWR (gross vehicle weight rating) of 3,100 lbs then you definitely want to go with 3,500 lb axles like the Timbren Axle-Less Trailer Suspension System # A35RS545E you referenced. This doesn't really have to do as much with accounting for bumps as it does with just the general weight of your trailer. As long as your suspension components are rated for at least the GVWR of your trailer then you are good to go. The manufacturers keep things in mind like bumps when...
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  • Recommended Hub/Drum for Timbren 3,500 Lb Axle-Less Trailer Suspension System
    The Timbren Heavy-Duty Axle-Less Trailer Suspension is offered with a straight spindle using part # ASR35HDS01 and a 2" lift spindle using part # TASR35HDS06. They both use the same brake mounting flanges but the bearings are different. The straight spindles use a 25580 inner/LM67048 outer bearing and the lift spindles use a 25580 inner/15123 outer bearing. For a braking assembly on either spindle I recommend the Electric Trailer Brake Kit part # AKEBRK-7-SA which are self adjusting brakes...
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  • Recommended Axle and Suspension Upgrade for Converting Pop-Up Camper to Stand-Up Teardrop Camper
    In order to put a heavier suspension on your trailer you will need an axle, leaf springs, hangers, spring seats (if you need to move them), suspension bolts, U-bolts/U-bolt plates, and shackle straps (if you want a double-eye leaf spring). You will need to start with the axle, which will require the hub face to hub face dimensions of your current axle. While the spring seat to spring seat measurement can be helpful, it is possible to remove the spring seats and weld on new ones if necessary....
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  • Suspension Kit Recommendation for Overland Custom Trailer with 3.5K Dexter Axle
    For an off-road application I highly recommend a Timbren Silent Ride Suspension system which is available for a 2-3/8" Round 3.5K Axle # TSR3500S04 or a 3" Round 3.5K Axle # TSR3500S06. These give you a little more control and perform better than your traditional axle leaf spring setup as you can see in the linked video. If you'd like to stick with the traditional leaf spring setup then I recommend the following parts: Single-Axle Trailer Hanger Kit - # APS4 4-Leaf Double-Eye Spring -...
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  • Hub & Drum For 3,500 lb Timbren Axle-Less Suspension With Long Spindles For Off-Road Tires
    We do indeed have hub and drums that fit your 3,500 lb Timbren Axle-Less Suspension # ASR35HDS01 with long spindles for off-road tires. I verified with Timbren that the correct hub and drum for these are the following: - Dexter Trailer Hub and Drum Assembly # 8-201-9UC3-EZ If you also need brakes the correct part is the Dexter Nev-R-Adjust Electric Trailer Brake Kit # 23-458-459 or Manual Adjust # 23-105-106 with Mounting Bolts and Hardware # BRKH12.
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