The Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle. Suspension units replace your existing axle and operate independently. The 4" drop spindle allows for a low deck height. Fits any frame width. Lowest Prices for the best trailer axles from Timbren. Timbren Axle-Less Trailer Suspension System - 4" Drop Spindle Only - 3,500 lbs part number ASR3500S04 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
679.55
4.56603773584906 53

Price: $679.55

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Video review timbren axle less trailer suspension system asr3500s05

Timbren Axle-Less Trailer Suspension System Review

Timbren Axle-Less Trailer Suspension System - 4" Drop Spindle Only - 3,500 lbs

Timbren Trailer Axles

(53 reviews)


Code:   ASR3500S04

Price:$679.55


Shipping Special

Shipping Weight: 95 pounds

Quantity: 







Timbren Trailer Axles - ASR3500S04

The Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle. Suspension units replace your existing axle and operate independently. The 4" drop spindle allows for a low deck height. Fits any frame width.


Features:

  • Suspension system provides a safe, smooth, quiet ride for your trailer
    • 2 Separate units replace your existing axle
  • 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
  • 4" Drop, EZ Lube spindles accept trailer hubs (sold separately)
    • 4" Drop provides lower ground clearance
    • Spindles can be easily 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 regular tires
    • Not recommended for triple-axle applications
  • Weight capacity: 3,500 lbs
  • Quantity: 2 suspension units without hubs
    • Works with Dexter 1,750-lb hubs (84545UC1-EZ)
  • Spindle/Hub compatibility:
    • Bearings: L68149 inner, L44649 outer
    • Races: L68111 inner, L44610 outer
    • Seal: 10-19
  • 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 standard, 2-inch steel tubing to connect the 2 Timbren suspensions together using the built-in square hole on each unit.


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 holes make it easy to reinforce your trailer's frame by adding standard, 2-inch-square 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, 4" drop spindle (straight model shown) is simple to grease. If damaged, it can be removed and replaced, saving you both time and money.
  6. The hub is not included with this model.
  7. The built-in square hole accepts standard 2-inch tubing. If there is no crossmember above the suspension, you can easily add support to your trailer's frame by inserting 2-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-square 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 of the Timbren Axle-Less Suspension

The following diagrams show measurements that were taken with electric drum brakes installed on the Timbren Axle-less suspension system.


Dimensions 1

Dimensions 2

Dimensions 3

Dimensions 4



ASR3500S04 Axleless Trailer Suspension System by Timbren - 4" Drop Spindle - Without Hubs - Regular Tires - 3500 lbs








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Video of Timbren Axle-Less Trailer Suspension System - 4" Drop Spindle Only - 3,500 lbs


Videos are provided As a guide only. Refer To manufacturer
installation instructions And specs For complete information.




Video Transcript for Timbren Axle-Less Trailer Suspension System Review

Today we're going to be taking a look at, then we'll show you to install the Timbren Axle-less Trailer Suspension System. These are available in multiple configurations to fit most applications. Just check our website out for details. Today specifically we're going to be using part number ASR3500S05. This is a spindle only configuration for 3,500 pound axles. With the spindle only configuration we're going to be reusing our bearings, we're going to be reusing our brakes and our drums.

You may want to pick up some new seals if you're going to go this route. We also have the full kits available with the brakes, the drums, and everything that you'll need. The Timbren Axle-less Suspension is an excellent, excellent product. You can tell an immediate difference as soon as we start hauling our trailer with the items installed. It's much, much quieter, much smoother, you don't feel the weight in the truck nearly as much as you did with that standard suspension. You can see as we're cornering there's no transfer of weight.

They're working independently to keep our trailer nice and level. Here's what our kit's going to look like installed. This axle-less suspension system from Timbren is kind of a solution for all that noise and everything that we typically get with our trailers; real rough ride. Now, they use 2 rubber springs essentially, they're Aeon rubber springs. We've got our larger one here in the back. This is the main body of the system, and as we load it more and more and more it constantly kind of adapts to that to give us just the ride of support that we need. To keep this constantly under tension so we don't have to ever worry about a lot of that rattling and stuff, we've got a rebound spring right here in the front.

These are designed to work with really any style of trailer frame, no matter of the thickness here. Depending on the application if you've got a really wide trailer, well then you're just going to put the 3 bolts in the side, 3 bolts up through the bottom. We're dealing with a little bit narrower angle channel here, so what we've done is we've put the square tube across the front. You could also design a bracket to go on the side, if you wanted like a gusseted bracket. There's a lot of options out there. We went with the spindle only design.

It's really heavy duty, too. You can really tell about the quality that they've put into the design of it. Going to have a black powder coat finish on all of our surfaces and this real nice thick steel fully welded around all of our points with reinforcement gussets right where we want them. You can just tell it's a really well built system. Another advantage that we're going to see with the axle-less suspension is going to be increased ground clearance. We don't have that axle that typically hangs down here lower. Even with us using the cross tube design or the cross bracing design, it's tucked up right underneath of our trailer. It's even up higher than what our cross members are here for our flooring, so really tucks it up. Then this area down here, you can see smooths off. The axle-less suspension system can also help us with getting our deck height of our trailer where we want it. These are available in both drops and lifts. One of the added benefits that we get out of this axle-less system is that we're not tying this side of the trailer to that side of the trailer with one of those through axles that are going to go right through down here where all our movement's going to actually take place. This allows these to work independently of one another. If we hit a bump on that side it doesn't transfer all the way over here and then cause this side to go too. Now, they've set this up with tow and camber adjustments aligned 00:04:02 already, so we should have great tire wear as we track down the road. However, if need be they do provide us with some nice alignment shims here if we do want to change it up a little bit, or maybe our trailer's frame wasn't exactly square. Another great thing about the Timbren Axle-less Suspension set up is that they use urethane bushings here at our pivot point. It's going to be very very long lasting. It's going to keep everything nice and tight, and we don't have to worry about lubrication. To begin our installation we need to get our factory axle out. Now if you are going to reusing hardware off of the original axle it's best to do it when it's still on the trailer. That way you're not fighting the roll. All right, now you'll notice here on the frame of our trailer, this is our rear spring perch. We've removed the front to allow room. You may have to do that on yours, and there was a couple welds here and then here that kind of stuck out on the frame rail. We've gotten rid of those. Just use a grinder, get it nice and clean. We want a nice smooth surface for this to mount up against. We're going to mock it up now just by bringing this edge up and letting it sit on our trailer. You can see the 3 holes we're going to use for attachment. Now the key to getting this set up properly, you can see we've got some plumb bobs here. Basically it's just a string with a nut tied to the end of it. We've gone off of both of our spindles here in the same location, and then we've gone from the center of our coupler in the front so we've got them at 3 locations. Now we're going to measure from that string back to this string, and then we'll measure from the front over to the other side. It's very important for us to have these within an 1/8 of an inch. What this means is that we've got the perfect triangle from the coupler back to each of our spindles. We won't have to worry about any kind of side tracking. It's going to keep our trailer running straight behind us, and it's going to make sure that we're getting proper tire wear. Adjust as necessary. We want to make sure if you're using plumb bobs that your trailer's level. After that it's just a matter of getting them lined up to where they're going to be just right. We'll measure, mock it up, measure, mock it up, and then once we have it right where we want it we can get our holes drilled. Now we want to take a punch and I'm going to mark the middle of my rear hole. Then we can start stepping up to a 1/2 inch hole diameter is what we want to end up with. We start with just an 1/8 inch and then kind of move up as we go. All right, that created a little too much movement, so we want to get this hole drilled perfectly to get that suspension out of the way and get our hole drilled out. We'll bring it up, slide our bolt through the hole there, and then put our hardware on the inside. That's going to do a good job of holding that in place while we get the rest of our holes marked. I'm going to use a jack stand again here just to apply some upward pressure. I'm going to tighten this nut down temporarily. That's going to draw it right over into position we want to make sure it's pressed up firmly all the way in the front. We don't want any kind of gaping between the top of our enhancement here and the bottom side of our trailer. Now we can use our center punch or our 1/2 inch bit here and get the center of our holes marked. You see I've already mocked up what would be the passenger side of the trailer. Anything I do on this side, I'll do the exact same thing on the other side. Now we're ready to get these pulled down and we'll get our holes drilled out. All right, now with those holes drilled out let's get our suspension back up into place here. What I want to do is just get these 3 started and I'm going to get them snugged down. This isn't a permanent mount, so we don't want to torque them all down. We've got to measure for that cross tube. We're going to be using this opening here for a 2 inch by 2 inch cross tube section that's going to give us additional strength. There's a few options on the additional strengthening process that you can check out in the instructions. That's mainly for just like the trailer that we've got here, just your simple utility trailer that just has an angle iron frame. If you see channels and things like that, typically once we're putting these on the heavy-dutier trailers there's going to be plenty of thickness in the frame. You really don't have to worry about having that cross tube. Now to figure out how long of a pipe that we're going to need here we're just going to measure inside to inside. There's going to be a couple little lips there. Right here there's a little bit of a lip. We just want our pipes to sit just inside of those, and we'll want our square tube to fit right inside of that. Now with our pipe cut to size all we'll need to do is slide it in all the way across, and we'll want to make sure that it engages our other side as well. All right, that's held in place there kind of by those little lips we saw in each end. We need to get our bolt holes here marked so we can drill our holes and install our hardware. Those should be marked so let's pull our tube back out of there, get those holes drilled, and we can put it back in. Now we can get our center punches taken care of here. Just like before we'll just step up our bit size as we go, makes it a little bit easier. Now with the tube back in we'll take our hardware, got kind of a tight squeeze here but we're just going to place that through. Place that flat washer inside of there on the bolt, then we need to get our nut started. One of these little flexible magnets is a really good way that bolts quite a ways back in there. If you've got a different method that works for you, great. My fingers won't reach in there. Maybe a pair of needle-nose you could get to work in there. These little magnets are pretty readily available and pretty handy to have, so that would be my recommendation. We'll just leave that one loosely installed. Now we're going to take our other bolt, we want to place it through both of our holes but we don't want to have it poked all the way through. What we're going to do is have that stay there as we get our spindles torqued down, as we get our brackets to our frame torqued down. Then we'll torque down our inside bolt, then we'll be able to get to this and torque this down. We'll just at that point either thread it in by hand or with a wrench, put our stuff on it and get it torqued. If we we're to leave this out completely so we could get to that back bolt, it's likely that our holes would then be slightly misaligned and it would be real difficult to get it in. Now we want to look in the instructions and find our torque specifications and we want to go through and torque everything down in the appropriate order to those specifications. I had these pretty snug when we we're doing the install just so we wouldn't have to worry about any movement or anything with the spindle. With those done we'll move up to the 3 here in the side. Once those are properly torqued we'll go to the ones that we've got inside of our tube. With everything torqued down that's really all there is to the install. I would here on this cut piece of tubing, just a little bit of black spray paint there. Just kind of seal that up, prevent any rusting there. Then, depending on your set up if you're using, if this is on a braking axle then you'll put your brakes back on your flange and then rebuild your hub per the instructions. If this is on a lighter-duty trailer and if you don't have brakes then you're just going to rebuild your idler here. Good time to replace the seals, repack the bearings, inspect those bearings, or just order a new kit to fit right on here and then you'll know you're going to be safe as you go down the road. All right, now we'll lower it down until the tires touch the ground and you'll want to be sure to use a torque wrench and get all of your lugs torqued down appropriately. That's going to complete our look at the line of the Timbren Axle-less Trailer Suspension Systems.


Customer Reviews

Timbren Axle-Less Trailer Suspension System - 4" Drop Spindle Only - 3,500 lbs - ASR3500S04

Average Customer Rating:  4.6 out of 5 stars   (53 Customer Reviews)


The Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle. Suspension units replace your existing axle and operate independently. The 4" drop spindle allows for a low deck height. Fits any frame width.


- ASR3500S04

by: Dewey G.10/23/2015


Packaging very good and shipping fast. Excellent communication and shipment was tracked by company representative. 230603



- ASR2KHDS03

by: Ashley10/17/2015

Review from a similar Timbren 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. 230177


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


16444


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


16471



- ASR2KHDS04

by: Lee09/18/2013

Review from a similar Timbren 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. 100490


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


2108

- ASR2KHDS03

by: Matt N02/01/2015

Review from a similar Timbren 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! 172019


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


10523


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

16696



- A12WS545

by: Walt G07/03/2015

Review from a similar Timbren Axle-Less in Trailer Axles


The product got here in great time delivered on time as said. But I had problems with the square hole in two of the suspension brackets -- the had one side of the inside tube that had a large radius that won't fit the square tubing you are going to slide through it. I spent a lot of time trimming the bracket and rounding off the tubing I need to install. I live in a residential neighbor hood and working early in the morning. Fitting the tubing in the hole it gets wedged in and I had to pound it in to get the fit needed. Too noisy and it should fit to start with. If a person knows he is going to use this square hole in assembly then the seller needs to send the brackets that fit properly. I have to build a sub frame for this small trailer because the shelving tubing I am using for the deck is too light of gauge to put the suspension system directly too. And I had to chase the threads on one of the spindles because I couldn't turn the nut with channel locks to adjust the bearing to fit. Hope the rest of the assembly goes easier. Still got lots work to do but too hot in after noon. 209085



- A4WS440

by: Doug F.06/22/2016

Review from a similar Timbren Axle-Less in Trailer Axles


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. 263841



- A35RS545E

by: Jordan Youngs06/03/2016

Review from a similar Timbren Axle-Less in Trailer Axles


These axles were a perfect retrofit for a vintage tralier rebuild/mod. Service at etrailer was excellent. The parts were easy to fit with a little care. I would recommend this product and this supplier to anyone looking for trailer parts. 256727



- A20RS545

by: Matt K09/01/2016

Review from a similar Timbren Axle-Less in Trailer Axles


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. 289894



- ASR2KHDS02

by: mark klunder08/21/2016

Review from a similar Timbren 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... 286117



- A20RS545

by: Douglas McLaughlin06/12/2015

Review from a similar Timbren Axle-Less in Trailer Axles


not happy with one lug nut missing threads!!! but I think they also could supply the wedge plate! the horizontal holes never change and the lower vertical should be slots. for the money I shouldn't have to make a plate. 202996



- A35RS545

by: Doug p06/21/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Had a broken torsion axle on dual axle boat trailer. Manufacter six to eight weeks to replace. Got this product in week. Installed same day. Very happy .cancelled new Axel order. 263087



- A12WS545

by: Bob S.01/21/2016

Review from a similar Timbren Axle-Less in Trailer Axles


This review is limited to eTrailer customer service since I have not yet installed the suspension. The part I ordered was out of stock when my order was placed. An eTrailer representative notified me both by email and by phone informing me of the situation and offering direct shipment from the manufacturer in the event time was an issue. While time was not an issue for me, I was impressed eTrailer took such a proactive approach in dealing with the stock out. Additionally, despite the item being out of stock, i did still receive it in a timely matter (~2 weeks). 235933



- ASR2KHDS04

by: Mike03/03/2015

Review from a similar Timbren 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! 176880



- ASR5200S01

by: I Ranch10/03/2015

Review from a similar Timbren Axle-Less in Trailer Axles


Purchased these axle - less suspension sets to build a single axle utility trailer. They arrived in excellent condition and appear well made. Installation instructions are clear and well written. Also ordered hubs, coupler hitch, rims, lights, stake pockets and other heavy items. My order arrived complete, very well packaged and timely in eight boxes. The boxes Etrailer used for packing were heavily made and undamaged in shipping. No missing parts because of the superior way they were packed. I will definitely order from Etrailer again. 229033



- A35RD545

by: Jason m08/14/2015

Review from a similar Timbren Axle-Less in Trailer Axles


Good heavy duty product 219360


Comments

Axles work great

Jason m - 08/13/2016

20207



- ASR2000S01

by: Michael S08/10/2016

Review from a similar Timbren Axle-Less in Trailer Axles


I used this on my sailboat trailer to lower the height on the boat. A traditional drop axle would interfere with the fin keel. I used the box tube to connect the two units together for added strength and protection. The tube is well ahead of the keel and where the drop axle would have been. I'm also thrilled to have the Timbren elastomer shocks which give a super smooth ride and are immune to corrosion of the salt environment. Multi-leaf springs just don't last when immersed in the ocean, no matter how hard you try to flush them. 282130



- ASR2KHDS05

by: Gary B11/16/2016

Review from a similar Timbren 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. 317250



- ASR3500S06

by: Marty07/01/2015

Review from a similar Timbren Axle-Less in Trailer Axles


Only been driving around on the axle-less system for about a week now and it has far exceeded expectations. I get better gas mileage, my trailer now sits like it was intended to, my trailer doesn't bounce like it used to, I wouldn't trade this axle system for any other. Just wish I would have known which outboard assembly arm my trailer needed with the axle-less system before I placed my order. Still not a problem though, plan on using the wrong outboard arm to build a different trailer. So far, a great product! 208571



- A4RS440

by: jim12/04/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Nice units, I put them on the trailer I am building for the back of the goldwing, they don't make any noise like leaf springs do, and without a axel going from one side to the other it leaves room to mount a spare underneath, and that makes it easy to balance the trail. Very well built and easy to mount. 322081



- A12WS545

by: Austin S11/10/2015

Review from a similar Timbren Axle-Less in Trailer Axles


First off let me say these axles are EXCELLENT mainly because of their very good design. From what i can tell Timbren is a 9/10 manufacturer. Welds are fantastic(im a professional welder) and this thing is HEAVY DUTY THICK STEEL. Only defect was some paint scratched and one of my grease fittings came right out when i was done greaseing the joint.I welded these up to my custom fabricated trailer and they are just amazing. I would urge anyone to get Timbren suspensions over leaf spring/torsion ANY DAY.. 231681



- ASR3500S05

by: captralph04/02/2015

Review from a similar Timbren Axle-Less in Trailer Axles


Great product.. My company manufactures trailers with our own axle-less suspension, however we have abandoned our own design in favor of the Timbren system. It is far superior and more cost effective to use the Timbren. Also, the Timbren can be adjusted for camber, a nice feature on a trailer. Just be sure to order the correct spindle for your application. Exchanging the spindles with etrailer became a nightmare. I eventually kept the original spindles and bought new ones from Timbren directly. 182264



- A35RS545

by: John, Sheridan, Wyoming03/16/2015

Review from a similar Timbren Axle-Less in Trailer Axles


I was amazed at the attention given to me and my order. I was kept up to date untill my order arrived, it also arrived a few days before the expected time. The axle less system looks to be so much easier to install and more functional than the regular spring suspension. If compared by cost and labor to the other spring system, I find that this is considerably less. I have yet to install it, but will send photo of finished product as soon as possible. 178367



- ASR2KHDS03

by: Mark E03/17/2015

Review from a similar Timbren 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 179122



- A4RS440

by: AVD11/04/2014

Review from a similar Timbren Axle-Less in Trailer Axles


I ended up returning this product. The axles appeared to be very well constructed but adapting them to my little trailer would have been more work then I wanted to do. I was trying to adapt them to a small Harbor Freight Trailer and the frame on those trailers would require some beefing up in order to attach these axles. If I ever build another trailer, I would definitely consider these axles. 159112



- A20RS545

by: Gary Pucker03/27/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Received my order. Quality is very good. Intend to use on fishing shanty frame. I thought that the wire I ordered was 4-wire round, not flat. That was my preference but I guess I should have inquired prior to ordering. I feel that the quality of the flat wire could be better. All other products are very nice and I am happy. Service was excellent. Thank you 242026



- A12WS545

by: Mustang05/31/2016

Review from a similar Timbren Axle-Less in Trailer Axles


I am pleased with the Timbren Axle-Less Trailer Suspension System with Hubs - 5 on 4-1/2 - Off-Road Tires - 1,200 lbs. I had a project and it worked out just fine. 254872



- ASR1THDS02

by: Kent H.06/01/2015

Review from a similar Timbren Axle-Less in Trailer Axles


The customer service has been excellent with Etrailer!!! I got to work with Anna and she did a great job on my order. The product seems to be great, just as Timbren stated. It went together very well on the trailer that I'm building. I can't wait to finish this project and be rolling into the backcountry and staying for a few days. 199559



- ASR2KHDS09

by: larry d09/28/2016

Review from a similar Timbren Axle-Less in Trailer Axles


building a ground loading motorcycle trailer the bed drops down flat threw the frame resting on the surface under the trailer allowing the motorcycle to be driven on without ramps or tilting the trailer bed the axle less trailer suspension is the only way to go and it rides better . 301200



- ASR2KHDS01

by: Rocket12/24/2014

Review from a similar Timbren Axle-Less in Trailer Axles


Ordering went well.. Rene made sure by calling the manufacturer. Didn't expect Xmas season to have the shipping without a hitch... The link to UPS was not working but eTrailer called and got thru to find out the delivery was there! Brown Santa and eTrailer--Happy Peace Out Day. 166840



- ASR2KHDS03

by: Mark E.03/17/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Timbren axle- less suspension is a great product, this is the second one I have installed on an offroad trailer. Easy to install, pulls great, no axle hop, very easy to service. E-trailer shipped very quickly, arrived in 2 days, would recommend the product and e-trailer to anyone. 240877



- A20RS545

by: Stanley06/16/2015

Review from a similar Timbren Axle-Less in Trailer Axles


Just received in a very timely manner. Build quality looks good. Haven't installed them yet but looks pretty simple, will repost after install. The only bad thing I have to say so far is that I wished which is personal opinion is that they would use grade 8 bolts instead grade 5. 203984



- ASR2KHDS05

by: John S.06/03/2015

Review from a similar Timbren Axle-Less in Trailer Axles


This suspension is fantastic! Until I found Timbren, I was using torsion suspension which were ok but was not meeting my needs. Timbren's axle-less suspension is perfect and my customers are loving their trailers! 200131



- A20RS545

by: Moe12/19/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Built very rugged. I am glad this is available because all the 2K axles I found were not wide enough for my application. This setup allowed me to keep expenses down and build the trailer I wanted. 326161



- A12WS545

by: Jeremy F.10/29/2016

Review from a similar Timbren Axle-Less in Trailer Axles


This place shipped fast and product arrived sooner than I expected! The item was exactly as described and packaged very well. I would recommend etrailer.com to anyone building or repairing. 311848



- ASR3500S06

by: doug a10/26/2016

Review from a similar Timbren Axle-Less in Trailer Axles


works great, only had one discrepancy, on a long trip part of the rubber on one side of the trailer worked its way out, it was repaired and hasn't given us any other problems. 310812



- ASR2KHDS03

by: Joh03/27/2015

Review from a similar Timbren Axle-Less in Trailer Axles


Timbren has fixed the weld issues that were reported in previous reviews. The parts fit together very well now. Still working on getting it installed but so far so good. 181073



- ASR3500S06

by: Bashore Safe & Vault07/13/2016

Review from a similar Timbren Axle-Less in Trailer Axles


The suspension I ordered is of high quality and I received it sooner than I expected , its good to do business with a company that produces its products so fast. 271528



- ASR3500S05

by: Josh M08/24/2016

Review from a similar Timbren Axle-Less in Trailer Axles


I use these axles on off road trailer built to tackle the toughest 4x4 trails and the have held up to all the beating our customers can dish out 287244



- A35RS545

by: Ernie R11/13/2014

Review from a similar Timbren Axle-Less in Trailer Axles


Just what I wanted. This is a great productions Etrailer did a great job thank you. We will be doing more business soon. 160716



- TASR35HDS06

by: Greentree Automotive11/12/2016

Review from a similar Timbren Axle-Less in Trailer Axles


We buy a number of things from E trailer and have always found there support and online cataloging very helpfull. 318927



- ASR3500S06

by: Will01/08/2015

Review from a similar Timbren Axle-Less in Trailer Axles


These are quality. Excellent ride height and clearance. Turns your ordinary trailer into a bulletproof beast. 168158



- A35RS545

by: Jim B12/23/2014

Review from a similar Timbren Axle-Less in Trailer Axles


I have not installed them yet but looking at them they look like they are going to be easier than I expected. 166589



- TASR35HDS06

by: Eric05/29/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Very smooth ride. Still working to fine tune the alignment but seems like a solid suspension system. 253032



- ASR3500S05

by: CS08/11/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Easy to install. Big difference in trailer's suspension and handling. Highly recommended. 282826



- ASR3500S06

by: Jude S.11/20/2014

Review from a similar Timbren Axle-Less in Trailer Axles


Everything arrived in great shape and included easy to follow installation instructions. 161958



- A35RS545

by: EDGAR08/22/2016

Review from a similar Timbren Axle-Less in Trailer Axles


GREAT PRODUCT BUT THE BEST OF ALL IS CUSTOMER SERVICE, THEY ARE ALWAYS HELPFUL 286543



- ASR1THDS02

by: Robert B.03/02/2016

Review from a similar Timbren Axle-Less in Trailer Axles


What a great product! Highly recommend buying from this company. 239264



- ASR35HDS02

by: Batman06/08/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Great service. So far so good. Highly r ecommend 259020



- ASR5200S01

by: Sean K10/27/2016

Review from a similar Timbren Axle-Less in Trailer Axles


Work perfectly on my one-off trailer bu ild 313906



- A12RS440

by: Robert P.09/04/2015

Review from a similar Timbren Axle-Less in Trailer Axles


Shipped fast. Parts look good. 224135

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Ask the Experts about this Timbren Trailer Axles
Do you have a question about this Trailer Axle?


  • Does 4 inch Drop For Timbren Axle Less Systems Mean the Trailer will Sit Closer to Ground
  • The Timbren Axle-Less Trailer Suspension System # ASR3500S04 has a 4 inch drop built into it so that it would sit 4 inches lower than a straight spindle setup like the part # TASR7KS01 that you referenced. The trailer will end up sitting 4 inches closer to the ground.
    view full answer...

  • Can Disc Brakes be Added to the Timbren Axle-Less Suspension Systems
  • The 3,500 lb weight capacity of the Timbren Axle-Less Trailer Suspension System, # A35RD545E, is the weight capacity for the pair, not per side. Disc brakes can be used with the Timbren Axle-Less Suspension systems, however, Timbren does not offer an axle-less suspension kit with disc brakes. If you want to use disc brakes, I recommend buying the Axle-Less Suspension System - 3,500 lbs, # ASR3500S04, and the Kodiak Disc Brake Kit - 3,500 lbs, # K2HR35D. Buying the Timbren Axle-Less...
    view full answer...

  • Dimension Drawing for the Timbren Axle-Less Suspension System # ASR3500S05
  • I attached a picture that shows all of the dimensions of the Timbren Axle-Less Suspension System, # ASR3500S05 that you are interested in. Since I don't know much about your setup the best recommendation I can make would be for you to check out the dimensions I attached and if you decide you do need a 4 inch drop you would want the part # ASR3500S04 instead.
    view full answer...

  • Compatibility of Timbren Axle-Less Suspension System # ASR3500S04 With Existing Trailer Brakes
  • The brake flanges installed on the Timbren Axle-Less Trailer Suspension System # ASR3500S04 are standard 4-bolt types that are quite common. You can check your electric brake assemblies to confirm they use the same mounting bolt pattern. If they fit and still have plenty of life left in them then you're fine to re-install them on the Timbrens. You also need to confirm the bearings used in your existing hubs to ensure your hubs' compatibility with the spindles in this kit. If your current...
    view full answer...

  • How Long Is a 3500-lb Axle for a 5 x 10-Foot Utility Trailer
  • All of the 3500-lb-rated trailer axles that we offer are 89-inches in length from hub face to hub face and have spring seats at a 74-inch spacing. Your 3500-lb axle may be different so you'll want to measure your hub face and spring seat dimensions. All such axles are shown on the link provided for you. We offer kits with hubs or without, with electric brakes or without and even axle-less suspensions like the Timbren # ASR3500S04. The unique suspension systems do not require an axle beam...
    view full answer...

  • Replacement 3500 Pound Axle for Basstracker V17 Boat Trailer
  • The closest axle we have to fit your measurements is the Dexter Axle # T3584F-EZ-8974. This has a hub face of 89 inches, spring center of 74 inches, 3500 pound capacity and EZ-Lube Spindles. It is not a drop axle like yours is currently. To gain the drop you can use the Timbren Axle-Less System with 4 inch Drop # ASR3500S04. The axle-less systems provide a suspension without the traditional cross tube axle.
    view full answer...

  • Adding Axle-Less Suspension System on a 1979 Avion Travel Trailer With Existing Axles
  • In order to potentially add a Timbren Axle-Less suspension system to your 1979 Avion travel trailer, there are few things to consider: Adding an Axle-Less system will most likely require extensive modification of your trailer and re-aligning of your current axles. The reason you will need to modify your travel trailer is because the wheel well is not large enough to accommodate a third axle. It's also necessary to re-align your axles because the center point of the axles will change...
    view full answer...

  • How to Select Axle for Fabricating Car Hauler Trailer with GVWR of 2200-lbs
  • We do not sell torsion axles but they will carry a weight capacity rating just like leaf spring beam axles, which we do offer. A torsion axle can be used continuously up to its rated capacity so long as there is no deterioration to the rubber cords inside it. This can be tough to determine visually but if you can see ANY of the cord exposed (due to "torsion creep") then the axle is done and should be replaced. For a trailer that will have a gross loaded weight of 2200-lbs you could use...
    view full answer...

  • How Far Does the Timbren Axle-Less Trailer System Drop When the Trailer is Raised
  • I spoke to my contact at Timbren and he informed me that if you were to jack up a trailer with a Timbren Axle-Less Trailer Suspension System # ASR3500S04 installed it would only drop as much as the suspension system had compressed from the weight of the trailer. The rubber spring is attached at the bottom and top of the assembly so it would not just swing down when the load was removed.
    view full answer...

  • Can Kodiak Disc Brakes be Added to 3,500 Pound Timbren Axle-Less Suspension System
  • The Timbren axle-less system # ASR3500S04 using 10-19 seals, # RG06-050. All of the Kodiak disc brake kits for 3,500 pound axles use this same seal so you will be able to use the brakes on the Timbren axle-less system. Assuming the combined weight of the boat and trailer is under 3,500 pounds then the axle-less system will work fine. To get some idea of the weight you can take the boat and trailer (as it is now) and weigh it at a truck scale or a place that sells bulk gravel might be...
    view full answer...

  • If Trailer Is Lifted Off the Ground Will the Timbren Axle-Less Trailer Suspension System Come Apart
  • That should not be able to happen because the rubber spring is attached to the 2 parts. So unless it was already taken apart or something was broken the lower part should not be able to separate from the upper part of the Timbren Axle-Less Trailer Suspension System, # ASR3500S04.
    view full answer...

  • Can Axle-Less System Be Used To Replace 2 Axles On 26 Ft 1979 Avion Travel Trailer
  • Using an axle-less system will work for your trailer. There are some things you want to consider when using an axle-less system. You will want to make sure you install axles that have the same distance from the frame to the center of the wheel hub. This will allow the trailer to remain level when towing and will not put more weight or stress on the front or the rear axles. You will need to know the weight capacity you need for the axles and if you want straight axles or axles with...
    view full answer...

  • Using Hydraulic Trailer Brakes on Timbren Axle-Less Suspension 3500 Pound Axles
  • What you would need is a Timbren Axle-less suspension system that just has spindles, # ASR3500S04. Then you could add the appropriate hydraulic brake assemblies, 4-bolt mounting pattern, and matching drums. The hub and drum assemblies used will need to use inner bearing L68149 and outer bearing L44649. I have included a link to the brake assemblies that you can use. For a hub and drum assembly that works with the EZ lube spindles on the Timbren system you can use # 84546UC3-EZ. If...
    view full answer...

  • Recommended Disc Brakes for Timbren Axle-Less Suspension Systems
  • Disc brakes can be used with the Timbren Axle-Less Suspension systems, however, Timbren does not offer an axle-less suspension kit with disc brakes. If you want to use disc brakes, I recommend buying the Axle-Less Suspension System - 3,500 lbs, # ASR3500S04, which you reference, along with the Kodiak Disc Brake Kit - 3,500 lbs, # K2HR35D. Buying the Timbren Axle-Less Suspension system without the hub and buying the disc brakes separately will save you money over buying a kit that includes...
    view full answer...

  • Will Timbren Axle-Less Trailer Suspension System Work Well On Small Custom Utility Trailer
  • With the trailer towing up to 5,000-lbs you can replace both axles on your trailer with 2 sets of the Timbren Axle-Less Trailer Suspension System, part # ASR3500S04, and they will be more than sufficient. The system is designed to make the ride much smoother regardless whether you are hauling a load or not. The progressive springs get stiffer as more weight is added but are always engaged to reduce rattle and bottoming out. The axle-less system does come with a 4-bolt brake flange installed...
    view full answer...

  • Can Disc Brakes Be Used on Timbren Axle-Less Systems
  • Disc brakes can be used with the Timbren Axle-Less Suspension systems, however, Timbren does not offer an axle-less suspension kit with disc brakes. If you want to use disc brakes, I recommend buying the Axle-Less Suspension System - 3,500 lbs, # ASR3500S04, and the Kodiak Disc Brake Kit - 3,500 lbs, # K2HR35D. Buying the Timbren Axle-Less Suspension system without the hub and buying the disc brakes separately will save you money over buying a kit that includes a hub and buying the disc...
    view full answer...


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