1. Trailer Leaf Spring Suspension
  2. Timbren
  3. Axle Replacement System
  4. Axles
  5. Universal Fit
  6. 5200 lbs
Timbren Axle-Less Trailer Suspension System - 2" Lift Spindle w/ Brake Flange - 5,200 lbs

Timbren Axle-Less Trailer Suspension System - 2" Lift Spindle w/ Brake Flange - 5,200 lbs

Item # TASR5200S05
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Our Price: $1,061.48
Trailer Leaf Spring Suspension
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Shipping Weight: 144 lbs
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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. 2" Lift spindle allows for maximum ground clearance. Fits any frame width. Lowest Prices for the best trailer leaf spring suspension from Timbren. Timbren Axle-Less Trailer Suspension System - 2" Lift Spindle w/ Brake Flange - 5,200 lbs part number TASR5200S05 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (187)
  • Q & A (21)
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  • Why etrailer?

Timbren Trailer Leaf Spring Suspension - TASR5200S05

  • Axle Replacement System
  • Axles
  • Universal Fit
  • 5200 lbs
  • Spindles Only
  • Timbren

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. 2" Lift spindle allows for maximum ground clearance. 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
  • 2" Lift, EZ Lube spindles accept trailer hubs (sold separately)
    • 2" Lift provides maximum 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: 5,200 lbs
  • Quantity: 2 suspension units without hubs
  • Spindle/Hub compatibility:
    • Bearings: 25580 inner/15123 or LM67048 outer
    • Seal inner diameter: 2.250"
  • 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" x 3" steel tubing to connect the 2 Timbren suspensions together using the built-in 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" x 3" holes make it easy to reinforce your trailer's frame by adding 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, 2" lift 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 hole accepts 2" x 3" tubing. If there is no crossmember above the suspension, you can easily add support to your trailer's frame by inserting 2" x 3" 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" x 3" 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).



ASR5200S05 Axleless Trailer Suspension System by Timbren - 2" Lift Spindle - Without Hubs - Regular Tires - 5,200 lbs

Installation Details TASR5200S05 Installation instructionsAlternate Instructions TASR5200S05 Installation instructions




Customer Reviews

Timbren Axle-Less Trailer Suspension System - 2" Lift Spindle w/ Brake Flange - 5,200 lbs - TASR5200S05

Average Customer Rating:  4.7 out of 5 stars   (187 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. 2" Lift spindle allows for maximum ground clearance. Fits any frame width.

- TASR5200S05
by:

Great product



- A20RS545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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


Comments
Really cool work!
-- Etrailer Expert Sierra K - 07/07/2021


- ASR3500S06
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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.



- ASR3500S06
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


A must have suspension if you're building an off-road trailer!


Comments
Its been a year and this suspension is still doing great!
David R - 09/27/2021


- TASR5200S03
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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)



- TASR5200S03
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


This is as close to a bulletproof suspension as they come. We use this suspension on all of our VORSHEER XOC trailers. They have performed flawlessly as an off-road suspension.



- ASR3500S05
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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.



- ASR3500S05
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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



- A35RS545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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


Comments
Working out just fine.
David J - 09/25/2020


- ASR3500S06
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


Best suspension you can get for off-road trailers. We use this suspension on all of our VORSHEER XER trailers.



- ASR1200S04
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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.



- A12WS545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


Purchased 2 sets of the Timbren 1200 Axle-less systems for upgrading the suspension on an older 30' ft glider trailer. Single axle with small (13") tires made towing tough due to porpoising, dragging on drive entrances do to poor flotation; also German made and metric, no repair parts. GVW 2000 lbs equated to bouncy ride. Dual sets now allow the trailer to ride over bumps and sharp inclines easily, smoothly, little bounce on country roads; porpoising is history. My glider now rides securely, safely, quietly. Install time 4 1/2 hours (includes head-scratching). Results are outstanding, units are totally solid. Recommend the square tube interconnect, easy and quick - trailer frame was on the light side, so a precautionary fix. Clean look underneath. Ordered 5 wheels w/tires, very nice. Helpful neighbor so impressed he ordered a HD single set for his new DIY snowmobile trailer. Customer satisfaction 100%, from phone order, online support, product information, immediate shipping, install instructions, followup... HIGHLY RECOMMENDED!


Comments
I have just a little more to add regarding my purchase: Two sets, of the Timbren Axle-less assemblies, 1200 lb, and 5 wheels. I placed the order via phone, and whoever was on-call that day provided great answers and recommendations regarding the units, wheels and tires. At 31 feet, the trailer originally exhibited amplified porpoising on any bumps or dips in the road. Also bouncing and occasional sideways tipping due to the single axle. It made a lot of noise on my mountain community washboards. I speculated that the Timbren units would solve most, if not all of these problems and they have. Installation on my older 31 ft European ie, metric and no longer manufactured glider trailer was a mere 4.5 hours from removal of the old single axle to setting the trailer back down on its new assemblies. Instructions are complete, precise, useful and helpful. Appreciated. Little to comment on as installation was all straight-forward. I would like to describe the maiden voyage to the airport and back, but there is nothing to tell, other than it towed beautifully proper alignment instructions, and all that I viewed from the rear view mirror looked like a magic carpet ride. It rides over washboards and pot holes like a marathon hurdler, the 4-wheel independent suspension is great. Packaging: the shipping boxes all arrived in good condition, but the cardboard component boxes inside them... not so much. Most were ripped and open due to heavy components lightly surrounded with brown packing paper, just token amounts. Parts: all was accounted for minus a pair of spindle axle washers for one set, easily replaced at the local farm and ranch supply. No squawk, just an fyi. I am very pleased with your product and support, and was happy to leave a 5-star review with photos. The upgraded suspension was also a topic this past weekend at the glider port by those who regularly trailer their ships to various soaring events, some as far as a thousand miles away. My compliments to eTrailers, hope you can use my info,
-- comment by: Kelly F - 11/28/2018



- A4WS440
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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.


Comments
After a year of off road use, I couldnt be happier. My trailer rides smooth loaded or unloaded. No of that bunny hopp with leaf springs or rigid mount axles. The small rebound control snubber works perfectly! I modified my components for high clearance but the concept is sound, they work well. Great job Timbren!
Doug F - 06/22/2017



- ASR1THDS01
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


After a great deal of research, I ultimately chose the Timbren long arm kit to replace the torsion axle under my teardrop trailer. My initial impression is that there is simply no comparison between the two. It now rides better, pulls better and handles better than I could have imagined. The Timbren axle system is incredibly well built and is much more confidence-inspiring. While the spring rate closely matches my trailer weight, the components are much more rugged and robust. The spindles, bearings and brakes are rated at double the capacity of my old axle which gives me great peace of mind. I pull my trailer, both on and off road, anywhere it will fit and the long travel and heavier components are a game-changer for my travels. Installation, while requiring a bit of forethought, was otherwise straightforward and methodical. Documentation available from etrailer and Timbren, is second to none. Instructions were clear and concise with drawings and detail taking the major guesswork out of the equation. Even though, due to the odd frame design of my trailer that required a bit of work to adapt, I ended up making some frame stiffeners, the adaptation was as simple as it could possibly be. I've ordered from etrailer in the past and they were 100% accurate on this order as well. I ordered the Timbren kit without backing plates and hubs due to the requirements of my trailer and etrailer suggested, explained availability and supplied all of the components I needed. They truly a stress-less bunch of folks with an extraordinary website. I'll no doubt turn to them again...



- ASR1200S02
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


It was a very straight forward install, it goes pretty smooth if you take your time, double check your layout, Make sure of your bolt sizes (length) before going to the store. If you plan the project, don’t rush, its not a race, it goes really good. I spent about 10 hours spread over two days by myself. I am just waiting for tires to arrive. All that said very happy with the product and etrailer. Will recommend for any axel/suspension replacement.



- ASR3500S06
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


Came late. Not e-trailers fault. Covid-19 and China's fault. They bolted right up on my trailer frame. Really like the way they make my tear drip trailer handle. No sway, no bouncing all over like it use to. Will always put these under any trailer I build from now on. E-trailer keep up the great work.



- A35RS545E
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


Best money we ever spent! Easy to install and the towing of the trailer has changed drastically for the better in every way. Thanks etrailer for selling a tremendously great product.



- ASR3500S06
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


We use Timbren's ASR3500S06 on all of our XER trailers. We couldn't be happier. It is a well built suspension.



- A35RD545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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



- A12WS545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


Good product and easy to install on my new build of a off road trailer for my side by side. Thanks


Comments
This has been a great product and works great and was easy to install
John V - 04/14/2020


- A20RS545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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.



- TASR5200S03
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


We use Timbren's ASR5200S03 on all of our XOC and XOC-R trailers. These suspension are well built and have always performed well for us.



- ASR1THDS03
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


Hello I just received my order today that I only placed on Wensday. That night at 7:30 pm. I received an email stating your order is ready for shipping! I received my order on Friday WOW FAST FREE SHIPPING. Great product fast shipping. I'm going to start building OVERLAND TRAILERS.


Comments
Fantastic O will ONLY use Timbren Axles on my Overland Campers
Robert - 03/07/2021

Comments
Fantastic O will ONLY use Timbren Axles on my Overland Campers
Robert - 03/07/2021


- A20RS545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


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



- A12WS545
by:

Review from a similar Axle-Less Suspension in Trailer Leaf Spring Suspension


I only received the components today so they are not installed. This review only addresses the quality of the manufacturing, which is superb. The items were extremely well packed and though I didn't find a check list, I'm sure all hardware is there for the install. I'd like to update this review after installation, but I don't know how soon that will be. Hopefully before it snows. If the email link still works then, I will definitely update this review. Otherwise, I'll just write a new review.


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Ask the Experts about this Timbren Trailer Leaf Spring Suspension

  • Wheels/Hubs/Brake Assemblies to use with Timbren Axle Less TASR5200S05
    Yes the Timbren Axle-Less Trailer Suspension System # TASR5200S05 is compatible with the hubs # AKHD-655-6-K, wheel and tire # AM35010, and brake assemblies # AKEBRK-6.
    view full answer...
  • Switching to Timbren Axle-Less Suspension for 2012 Coachmen Clipper
    I have a solution for you, but the Timbren Axle-Less Trailer suspension # TASR5200S05 is not the best option because of the stiffness of the springs that this system uses. The 5200-lb Axle-less system springs are meant to carry a much heavier load than the approximately 2500-lb Coachmen Clipper, and when you use an overrated suspension system you're potentially causing way more jostling, bouncing and in turn, wear and tear on your camper. The Timbren Heavy-Duty Axle-Less Trailer Suspension...
    view full answer...
  • Which Timbren Axle-Less Suspension System For a 28 Foot Aluminum Trailer
    The Timbren Axle-Less Trailer Suspension System 5200lbs # TASR5200S05 will work on the aluminum frame of your trailer. The easiest way to install the system since you are replacing axles is to add 2x3 tubing between the two axle-less systems to help keep your trailer's frame supported and strong. Another option since you mentioned that you had 3500lb axles on your trailer is the Timbren Heavy-Duty Axle-Less Trailer Suspension 3,500 lbs # TASR35HDS07. Using a suspension system too far...
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  • Everything Needed for Upgrading a Jayco Travel Trailer's Axles from 3500 Pounds to 5200 Pounds
    Upgrading your axles to 5200 pounds is possible, but there's a lot more involved than just that and the wheels: You will need to upgrade your suspension (leaf springs) and your brakes. For that reason, I recommend going with one of our Timbren Axle-less systems. They act as the axle and the suspension, and they work independently which reduces the odds of uneven terrain affecting the entire axle. The 2" Lift Spindle w/ Brake Flange - 5,200 lbs, part # TASR5200S05, has the 5200-lb...
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  • Will Timbren Axle Less Kit Installed on 1/8 inch Thick Frame Rail Require Additional Bracing
    Sounds like your frame dimensions would be thick enough to handle the install of the # TASR5200S05 since it's 1/8 inch thick steel channel. It is harder to say though without seeing the frame and it's design aside from thickness. You might check with a local fabricator to see if they agree, which I think they will, if you wanted to err on the side of caution.
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  • Dimensions of Timbren TASR5200S05 Axle-Less Suspension
    I sure do! Luckily enough, Timbren provides awesome diagrams on their website. I've taken a snip showing the dimensions and a table showing which dimensions pertain to the 5.2K # TASR5200S05 unit you're asking about.
    view full answer...
    Image 1 for
  • Will Timbren 5200lb Axle-Less TASR5200S05 Have Same Ride Quality As Timbren Axle-Less 3500 HD?
    I would be happy to help! The Timbren Axle-Less 5200lb Suspension # TASR5200S05 you were looking at will have a stiffer ride than the same trailer with the 3500lb HD kit, the # TASR35HDS07. Both kits have the same 2" lift and use the same hub and drums, the # AKHD-655-6-EZ-K, with the main difference being the built in progressive rate AEON main spring. If you are loading the trailer close to 3500lbs I don't think the ride quality change will be glaringly obvious, but if the trailer...
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  • Replacing Leaf Spring Axle on 2021 Keystone Hideout Travel Trailer With Axle-Less Suspension
    I recommend the Timbren Axle-Less Trailer Suspension System # TASR5200S05 as your 2021 Keystone Hideout 172TX will weigh 5100lbs with it fully loaded. The center of the spindle will be 5-1/2" below your frame with a maximum deflection vertically of 2-3/4". You will want to compare these with your current axle to ensure that you will have enough clearance as there are other kits that will offer more or less lift. To correctly identify the bearing sizes on your current axle I would need...
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  • Info Needed to Pick Out Triple Axle Setup for Trailer that Weighs 9,000 lbs
    Since your trailer is going to be a triple axle setup you'll have to go with a traditional style of axle like the # 7359765 and not a Timbren like you mentioned. Reason being that the Timbrens don't have equalizers so when going over uneven terrain more weight gets put on a single axle at a time than a traditional axle that uses equalizers. Equalizers (like the name implies) allow all three of the axles to carry the weight of the trailer even on bumps or uneven terrain. To pick out...
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  • Recommended Replacement Axles for Old Dexter Axle #11 5,200 lb Torsion Axles
    I reached out to my contact at Dexter Axle who said that based off of the numbers you sent in it sounds like you have a #11 Torsion axle rated for 5,200 lbs that is on a Haulmark Trailer manufactured back in 2001 (at least the axle was). Your axle should use 6 lug hubs with EZ-Lube spindles and that it has a 95" hub-face measurement with a 75-3/4" outside bracket measurement (which would be equivalent to spring-center). The closest thing that we have to this is the Dexter Trailer Axle...
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  • Recommended 5200-6000lb Axle For M105 Military Trailer Being Converted To Overland Trailer
    I have another option for you, but the only hub and drum assemblies available with the 6 on 5-1/2" bolt pattern are only rated for wheels up to 16-1/2" diameter and are not designed to work with 17" wheels. Starting with the axle for your M105 Military Trailer that you are doing an overland conversion on I recommend going with the Timbren Axle-Less Trailer Suspension System - 2" Lift Spindle w/ Brake Flange - 5,200 lbs # TASR5200S05 or the 4" lift version # TASR5200S03. Both of these...
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  • Replacing Existing 3500 lb Axle With a 5200 lb Axle
    When replacing a trailer axle, the spring seat spacing isn't super-critical because you can always relocate those by obtaining new spring seats and having them tacked into place where you need them. The hub face to hub face distance is what's critical. What's the hub face dimension of your current axles? We offer 5.2K axles in the 3 most popular lengths (hub face to hub face) of 86-1/2 inches, 89 inches or 95 inches. • 86-1/2 inch E-Z Lube axle, part # 8327816 for the axle only or...
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  • Hub and Drum Compatibility For Timbren Axle-less Suspension 5200-lbs
    If you're going to use the Timbren Axle-less Suspension System 5200-lbs with brake flanges installed, like the 2" lift model # TASR5200S05 or 4" lift # TASR5200S03 , those are compatible with the Trailer Hub and Drum Assembly - 5.2K and 6K E-Z Lube Axles - 12" - 6 on 5-1/2 - Pre-Greased # AKHD-655-6-EZ-K since they have compatible inner/outer bearings, races and grease seals. However, the # AKHD-655-6-EZ-K are not compatible with the Timbren Axle-less Suspension # ASR5200S01 because the...
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  • Can Torsion Axle Spindles be Replaced on 2013 Rockwood 8280WS Fifth Wheel
    Spindles can be replaced for torsion axles, though you would have to get them removed and put on by a professional welder. I have added a link to our selection of spindles for you to check out to see if we have one that matches the capacity and measurements you need. Another option worth considering is replacing the axle with the Timbren Axle-Less Suspension System. These are simply bolted or welded so you do not have to worry about finding an axle or spindle that meets any specific...
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  • Replacement Brake Assemblies for AL-KO T-44 Axles
    I have a solution for you, but the AL-KO T-44 axle has been discontinued since Dexter bought them out and there are no longer parts available for them, so you would need to completely replace the axles in order to replace the brakes. To choose the correct replacement axle you will need to know the hub face to hub face measurement and spring seat center to spring seat center measurements of your current axle; you'll also want to try to match your existing bolt pattern with the hubs in...
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  • Recommended 5200lb Axle To Replace 3500lb Lippert Axle On Travel Trailer
    I would be happy to go over an option for you, but based on the axle tag you provided your axle is pretty short at only 77.5" hub face to hub face so we do not have a 5200lb standard axle that would work as our shortest 5200lb axle is 86-1/2" long. One option is to have an axle custom built to exactly match your current axle, you would need to go to a local axle shop for this. The option I recommend is going with the Timbren Axle-Less Suspension System which will bolt directly to...
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  • 5,200 Lb Timbren Axle-Less System With Compatible Hub, Drum and Electric Brakes
    The Warner-style brake assemblies are no longer made and replacement parts are essentially non-existent at this point, so really your best option is going to be replacing your hub and drum as well as brake assemblies. You may also need to weld on a new brake mounting flange, which will be determined by the diameter of your axle. In order to find the correct replacement hubs for your trailer you need to know the weight rating of your axle, and also what bearings your current hub has....
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  • Recommended Axle-Less Suspension With Higher Capacity for R-Pod 172 Trailer.
    When it comes to adding a higher axle capacity please keep in mind that this does not necessarily mean the rest of your trailer is capable of handling additional weight. You will be limited by the lowest capacity of any given part on your trailer. Your current problem may be due to overloading your trailer. That being said, you can certainly add an axle-less suspension system to your trailer like the Timbren Axle-Less Trailer Suspension System - 2" Lift Spindle w/ Brake Flange - 5,200...
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  • Recommended Timbren Axle-Less Suspension System For 1968 Oasis 16' Trailer
    It sounds like the Timbren Axle-Less Suspenion would be perfect for you as they are available with lift spindles, and the progressive rate AEON main springs do a great job to absorb road shock and offer a smoother ride than leaf spring suspension. The correct system will be dependent on the GVWR of your 1968 Oasis 16' trailer. The most likely options are the 3500lb option with 2" lift spindles # TASR35HDS07 or 4" lift spindles # ASR35HDS02, or the 5200lb option with 2" lift # TASR5200S05...
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  • Brake Assembly and Hub/Drums that Fit Timbren Axle Less Kit TASR5200S05
    Yes all three of the parts you mentioned are compatible with each other. The Axle kit part # TASR5200S05 fits the hub/drum # AKHD-655-6-K which also fits the brake assemblies # AKEBRK-7-SA. This will work with a wheel that has a 6 on 5-1/2 inch bolt pattern.
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  • Timbren Axle-Less Suspension Options With 2 Inch Lift Spindle
    I checked with the manufacturer, and there isn't an option for a 2 inch lift for the 2,200 lb Timbren systems. The only options that have a 2 inch lift are the 3,500 lb-rated and 5,200 lb-rated Timbren systems, and they each come with a brake flange welded on, though if you don't want to use brakes you don't have to use that flange. So if you want to go to a higher-rated system with the 2 inch lift you can use either of the following: - 3,500 lbs: Timbren Axle-Less Trailer Suspension...
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Info for this part was:

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Expert Research:
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Expert Research:
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Employee Wilson B
Updated by:
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Written by:
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