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Rough roads can make towing a chore. The Timbren Axle-Less Trailer Suspension uses AEON heavy-duty rubber jounce and rebound springs that absorb road shock and control trailer roll. They work together to keep your load steady and quiet, even when the trailer is empty or fully loaded. The independent design lets each wheel move on its own, so bumps on one side don’t shake the whole trailer.
Traditional axles hang low and cut into ground clearance. This setup gets rid of the axle beam entirely, leaving more room beneath the frame while keeping deck height unchanged. The standard-height E-Z Lube spindles sit 4" below the frame and have built-in grease zerks for easy bearing maintenance. With no crossbeam to drag, the trailer clears steep driveways and rougher paths with ease.
Each side mounts directly to the trailer frame with a 4-bolt brake flange and carries up to 3,500 lbs total. Heavy steel parts are finished in black powder coat to resist rust and corrosion. The bushings are polyurethane for long-term durability, and the spindles use common #84 bearings—inner L68149 and outer L44649—for easy hub matching down the road.
Measuring for replacement axles can be tricky. This system eliminates that hassle by bolting straight to your trailer’s frame and fitting any width. If your trailer doesn’t have a crossmember at the mounting point, you can run a 2" x 2" steel tube through the built-in square holes for support. It’s a clean, straightforward way to modernize your suspension without worrying about custom axle sizes.
Alternate Instructions
Ratings & Reviews
Actual trailer weight 1540#, 210# tongue weight. 1310# suspension load. After 600 miles, both springs collapsed making the suspension rigid. Have received replacement springs from Timbren but haven't had a chance to try them out.
The order came in on time and the customer service at etrailer.com (Ashley) and Sean from Tmbren was outstanding. They both were very helpful in my choosing the right product for my needs. The axle less suspension's performance is absolutely superb. It vastly improves ride quality. I am using it on a teardrop camper that often goes on gravel roads and the raddling sound from the leaf axles was horrible. A couple of points to consider before you settle on the axle less suspension: keep in mind that you will lose some hight of the trailer. While you will gain clearance from the lack of the axle, the suspension will make the trailer sit lower than before.i had to lower my hitch by an inch to maintain the trailer leveled. Also it does appear to compress at higher rate than the leaf springs, which makes it softer but easier to reach it's limit. Overall this product is absolutely a must if you are looking to improve the safety and the quality of your towing.
Hi Amy,,
I got my order yesterday, it is perfect for what for my off road camper trailer project.
Maybe a little (lot!) Over kill, but where it will be going I don't think over kill is a bad thing.
I have made a lot of purchases from you guys and have never been disappointed.
I will probably need to purchase the hub/break assembly next.
Thanks for everything,
Very exicited about these axels, I have been eyeing these for over a year. (Excellent service from etrailer, they had my parts to me in 1 day from the time of placing the order.) These axles seem to be well made and fit nicely with the Dexter hub and drum assembly and the 12" electric brake kit. I installed this all on a M1101/M1102 trailer frame after removing the factory axel assembly. I have not ran these on the road or off as of yet but will give another review at that time. The fit and finish are great and the packaging was good, a little banged up from shipping (missing 1 washer)
Installed the Timbren Axle-less suspension a little over a year ago and approximately 5000 miles ago. I have been extremely satisfied with the installation and performance thus far and have had no issues. I also chose to install an optional crossmember for more strength using a 1/4" thick piece of 2x3 steel. I had to increase the weight capacity of my campers suspension due to renovating the interior completely and adding more weight. I also strengthened the frame to accommodate the extra weight. In addition to installing the Timbren 5200LB system I installed new 12" electric brakes and upgraded to 225/75R15 tires with E load range rating.
Customer service is amazing! Thanks to all of the team at etrailer.
Installed the Timbren Axle-less suspension a little over a year ago and approximately 5000 miles ago. I have been extremely satisfied with the installation and performance thus far and have had no issues. I also chose to install an optional crossmember for more strength using a 1/4" thick piece of 2x3 steel. I had to increase the weight capacity of my campers suspension due to renovating the interior completely and adding more weight. I also strengthened the frame to accommodate the extra weight. In addition to installing the Timbren 5200LB system I installed new 12" electric brakes and upgraded to 225/75R15 tires with E load range rating.
The trailer rides great down the road and no more worries about saltwater and rusty leaf springs. Not a cheap option but I’m very happy with the setup. When installing, just be sure to measure accurately and have sharp drill bits. A drill press type of guide also helps ensure correct drilling angles. The first picture is of a mounting gusset a local welding shop made. One is needed for each side and necessary to provide needed mounting strength-at least on my trailer frame. Pics 2 and 3 show the mounted suspension on one side of the trailer. Pic 4 shows the suspension on one side of the trailer with the axle attached and a separately purchased disc brake assembly mounted on it. Finally, pic 5 shows a 2” box channel between both suspension assemblies. Independent suspensions would have been nice, but I wanted to ensure trailer rigidity was maintained. So, after one year, so far, so good. It’s all smooth sailing down the highway.
Best axle system for overland trailers and their travels, great independence system for those 1-6 trail ratings, simple to work on , easy bolt on system. I would recommend to grease after each trip . The standard Duty -4" Drop- 4Bolt Flange- 3500 lbs give me about 21" clearance with 35" x 12.5 tires
Thank u for your business!
Product was great easy to install, haven’t towed with it yet as I’m sill working on the repairs!
Easy to install. Tow like a dream!
Again nice addition to my trailer
Easy to install. Big difference in trailer's suspension and handling. Highly recommended.
We don't use our trailer often but when we do, it performs flawlessly. We are so grateful for the function axles. It gives us the desired cushioned ride
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
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.
Huge improvement over the factory leaf springs. The suspension is so nice and quiet, I forget I’m towing. Very rust proof as well with many dips in saltwater with no signs of oxidation. Not the easiest to install but it’s nice to have the option to either weld or bolt on and replaceable spindles insure the suspension will likely outlast the rest of the trailer.
Timbren saved our RV road trip! The leafs on the axle on our 2018 Jayco TT came apart while driving in Maryland. We tried going to the manufacturer, but they were useless. Going to a RV mechanic meant being grounded for at least 2 months. Then we found Timbren. With the help of Timbren's excellent staff we purchased axle-less system through etrailer, who made sure we got as quick as possible. It came ahead of schedule, my husband installed the Timbren system and we were back on the road! The axle-less system is better than the original manufacturers. If you plan on taking your RV or TT farther than 100 miles GET THIS INSTALLED and get it through etrailer.
Trailer suspension and disk brake performance is outstanding big big difference over leaf spring and electric drum brakes.
Installation required modifications to the frame to monut the timbren suspension
Quintin
1/6/2022
The Timbren axle less suspension and Disk brake and disk brake controller system is still work great. will never go back to drum brakes or leaf spring axle suspension.
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Rod
5/3/2024
Ready to buy another set, and make another trailer.