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  1. Trailer Axles
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  5. 5 on 4-1/2
  6. Rubber Spring Suspension
Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs - Straight Spindle - 3,500 lbs

Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs - Straight Spindle - 3,500 lbs

Item # A35RS545E
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Our Price: $1,690.93
Trailer Axles
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A35RS545E - 5 on 4-1/2 Timbren Trailer Axles
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The Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle, allowing for maximum ground clearance and a low deck height. Suspension units replace your existing axle and operate independently. Fits any frame width. Lowest Prices for the best trailer axles from Timbren. Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs - Straight Spindle - 3,500 lbs part number A35RS545E can be ordered online at etrailer.com or call 1-800-496-5010 for expert service.
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Timbren Trailer Axles - A35RS545E

  • 3500 lbs
  • Universal Fit
  • 5 on 4-1/2
  • Rubber Spring Suspension
  • Electric Brakes
  • Timbren
  • Easy Lube Spindles

The Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle, allowing for maximum ground clearance and a low deck height. Suspension units replace your existing axle and operate independently. Fits any frame width.


Features:

  • Suspension system provides a safe, smooth, quiet ride for your trailer
    • 2 Separate units replace your existing axle
  • AEON progressive-rate main springs absorb road shock and support trailer's load
    • Deliver a smooth, stable ride, regardless of load size
    • Compress and become stiffer as load increases, boosting spring strength
  • Rebound springs act as return devices to minimize rattle and bottoming out
    • Create constant pressure on the arm, so the suspension is never completely relaxed
  • 2 Independent units can eliminate the need for a thru axle
    • Increase ground clearance
    • Lower deck height for easier loading and unloading
    • Reduce roll during cornering
    • Fit any trailer width
  • Built-in camber and toe-in help your trailer to track straight, reducing wear on the tires
  • Straight, EZ Lube spindles with self-adjusting electric brake hubs and assemblies accept wheels with a 5 on 4-1/2" bolt pattern and regular tires
    • Electric brakes offer more control than hydraulic brakes
      • Requires an electric brake controller (sold separately)
    • EZ Lube feature makes it easy to grease bearings without removing the hub
    • Spindles can be removed from units for simple replacement if damaged
    • Bearings, races and seals are included with hub
  • 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
  • Bolt pattern: 5 on 4-1/2"
  • Weight capacity: 3,500 lbs
  • Quantity: 2 suspension units with electric brake hubs
  • 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 spindle is simple to grease. If damaged, it can be removed and replaced, saving you both time and money.
  6. The electric brake hub (standard model hub shown) accepts any 5-bolt wheel that has a regular tire.
  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

Dimensions 1

Dimensions 2

Dimensions 3

Dimensions 4

A35RS545E Axleless Trailer Suspension System by Timbren - Electric Brake Hubs - Regular Tires - 3500 lbs

ASR3500S05 Timbren Axle-Less 3500S, P020 Outboard Arm Straight Spindle w/ Brake Flange

94545_LH 3500 lb Electric Brake Hub LH 545 1/2" Stud

94545_RH 3500 lb Electric Brake Hub LH 545 1/2" Stud






Customer Reviews

Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs - Straight Spindle - 3,500 lbs - A35RS545E

Average Customer Rating:  4.7 out of 5 stars   (226 Customer Reviews)

The Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle, allowing for maximum ground clearance and a low deck height. Suspension units replace your existing axle and operate independently. Fits any frame width.

by:

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.




by:

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.




by:

Very nice addition to my trailer. Highly recommended




by:

Products were delivered exactly as described. The tracking information and communication during the ordering process was also above expectations. I’d order from etrailer again.




by:

The order arrived. They seem to be using heavier grade cardboard and only the box containing the spindles was torn open at the corner. All in all a good experience. Linda was very helpful.




by:

It looks like a wonderful, well built system.

The shipment was partial, turns out they forgot the rest. Customer service corrected the matter, still took almost 2 additional weeks to get the rest.
The packaging for shipping -
The suspension pieces should be packed individually not together. The box was torn in half and falling out, scratched up like it had fallen out of the box during shipping when it arrived.
There were no installation / alignment shims or mounting hardware in the box, don't know if they were included and missing or they forgot that as well. I found no information on the paperwork for the inventory expected to be in the box.




by:

Ride and build quality are phenomenal. Been using for a full year now, no complaints!




by:




by:

Review from a similar Axle-Less Suspension in Trailer Axles


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.


Comments
Actually over a year, and still working great.
dale - 04/22/2022


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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


Comments
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.
Quintin - 01/06/2022


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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




by:

Review from a similar Axle-Less Suspension in Trailer Axles


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


Comments
The Timbren Axle-Less Trailer Suspension - 4 Spindle w Brake Flange - Regular Tires - 7K Part # TASR7KS02 has a 3-year limited warranty. I will have Customer Service reach out to you.
-- Etrailer Expert Thomas M - 12/22/2021


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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




by:

Review from a similar Axle-Less Suspension in Trailer Axles


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


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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.


Comments
Things have worked out well, can hardly tell there is a trailer behind the ATV very smooth ride almost no noise, vert satisfied.
K v - 08/29/2022


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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




by:

Review from a similar Axle-Less Suspension in Trailer Axles


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


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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)




by:

Review from a similar Axle-Less Suspension 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.


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


by:

Review from a similar Axle-Less Suspension in Trailer Axles


I am not a mechanic so Brandi was real helpful. Had to get some professional help to remove the old suspension and install the new suspension. The only drawback we ran into was the spindle did not extend out far enough to mount the tires in the normal way. We had to put the tires on backwards. It all worked out beautifully. Towed the trailer for over 1700 miles without any problems. Brandi was delightful to talk with and very patient with me. Her help was most appreciated. Sorry, I didn't take any pictures.


Comments
good
R C - 12/19/2021


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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


by:

Review from a similar Axle-Less Suspension in Trailer Axles


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




by:

Review from a similar Axle-Less Suspension in Trailer Axles


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

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

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




by:

Review from a similar Axle-Less Suspension in Trailer Axles


Mounted very easy big improvement over the old design of my snowmobile tilt trailer. How to be optional 2 in.² crossbar For added stability. Originally wrong part was shipped two identical pieces came in customer service made it right immediately.




by:

Review from a similar Axle-Less Suspension in Trailer Axles


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.



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  • Recommended Axle Upgrade For 2017 Starcraft Launch Mini Travel Trailer
    I have an axle upgrade option for your 2017 Starcraft Launch Mini Travel Trailer, but we do not have a standard axle that has a hub face measurement of 77-3/4" and a spring center measurement of 59-1/2". Instead I recommend going with the Timbren Axle-Less Trailer Suspension System w Hubs - Straight Spindle - 5 on 4-1/2 # A35RS545 that has a 3500lb axle rating to match what is currently on your Launch Mini, and bolts directly to the frame of your trailer so hub face and spring center measurements...
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  • Timbren Axle-Less Suspension Kits with Electric Drum Brakes
    We offer two Timbren axles-less suspension kits that include electric drum brakes. Both are rated for 3500-lbs capacity (the pair, combined) and you can see them by clicking on the link provided. For a kit with straight spindles use part # A35RS545E. This kit can be used in a tandem application but not for a triple-axle set-up. This kit uses the popular 5-on-4-1/2 wheel bolt pattern. It is intended for use with trailer wheels, not automobile wheels, which can have different offset. The...
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  • Availability of Trailer Axles and Hubs That Use Inner Bearing L68149
    Mobile home axles are not intended for ongoing use; they are designed only as single-use components that can get a mobile home to its permanent location. If you want to fabricate a trailer you will want to use a trailer axle, such as one of those shown on the linked page. We offer beam axles up to a 3500-lb weight rating and axle-less trailer suspension systems from Timbren, like their # A35RS545E that includes hub/drums and electric brakes. You can see all trailer hubs, both idler hubs...
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  • Are Brakes Included With Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs
    The Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs, part # A35RS545E does include the brakes. This system includes the bearings, races, and seals along with the suspension units. The hubs have a 5 on 4-1/2 bolt pattern and the weight capacity for this system is 3,500 lbs.
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  • Availability of Replacement Axles for a 91 Shadow Cruiser 5thWheel Travel Trailer
    The Timbren Axle-Less Suspension, like # A35RS545E will be the best option in changing out your trailers axles. Unfortunately, we do not carry torsion style axles. The bearings that you supplied shows that your axles look to be rated at 3,500 lbs for each axle. The Timbren Axles will bolt on to your trailer frame and will include hub/drum and electric brake assemblies. On some applications an additional cross member may need to be required to reinforce the axles to the trailer's frame. The...
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  • Are Axle-Less Systems Available With 8 Lug Hubs
    The Tmbren axle-less systems with hubs we offer, like part # A35RS545E, are rated for 3,500 axles only. Because of that rating, the hubs on our systems have a 5 on 4-1/2 bolt pattern. None of the axle-less systems have an 8-bolt configuration. Also, none of the axle-less systems we offer are rated to replace triple-axle trailers.
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  • Can You Align the Timbren Axle-Less Systems
    I spoke to my contact at Timbren and he said that their Axle-Less systems like the part # A35RS545E that you referenced does have the ability to be aligned. It comes with shims that allow you to make small alignment adjustments.
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  • Recommended Timbren Axle-Less Trailer Suspension System for 3500-lb Axles
    The Timbren axle-less suspension systems like # A35RS545E and the others shown on the linked page are rated as a pair, as if they were a standard beam axle. It is possible to use two sets of these on a trailer (but not three) so if you want to replace a pair of 3500-lb beam axles you'd need two sets. Timbren offers these kits with or without hubs and brakes. If you choose a system without hubs you'll need to make sure that your current hubs use the same bearings as the Timbrens to ensure...
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  • Replacement Axles And Suspension Systems For Converted Mobile Home Trailer
    If the axle you have was under a mobile home, they are built for one-time use only and I do not recommend trying to modify or use other components on that axle. It would need to be replaced with a new axle. The hubs, drums, and wheels we offer are for trailers and we would not have a Ford or Chevrolet hub and drum or wheel as you were mentioning. We do carry the inner bearing you said is on your axle. The bearing we have is part # L68149 and is used on 3,500 lb spindles. I did some...
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  • Electric Brake Hub/Drum Included with Timbren Axle-Less Suspension System # A35RS545E
    The Timbren Axle-Less Suspension System you referred to, part # A35RS545E includes the following: Aeon Spring Assemblies EZ Lube Spindle Assemblies Castle Nuts and Washers for Spindles Inner and Outer Bearings Inner and Outer Races Grease Seals EZ Lube Grease Caps 5 Lug on 4-1/2 Bolt Circle Brake Drum Electric Brake Assemblies I have taken a photo from the product description page that shows everything that is included.
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    Image 1 for
  • Weight Capacity for the Timbren Axle-Less Trailer Suspension System # A35RS545E
    The 3,500 lb weight capacity that the Timbren Axle-Less Trailer Suspension System # A35RS545E has represents the capacity of the whole system, not just one side or the other.
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  • Distance From Hub Face to Frame Rail When Timbren Axle Less # A35RS545E is Installed
    I attached picture that shows the backspacing that the Timbren Axle Less # A35RS545E is designed to fit. There is 6 inches between the hub face to the side of the frame like in the picture.
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    Image 1 for
  • Replacement Axle to Increase Weight Capacity of Trailer
    There isn't any way to increase the current axle capacities. You would need to simply replace the axles to increase the weight capacity. You simply need to find your hub face to hub face dimension and the spring center to center dimensions if using a through axle. Your other option if you can't get the correct fit is to use the Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs like # A35RS545E which are a universal fit. They mount to your trailer frame directly and have...
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    Image 1 for
  • Recommendation for Installation of Timbren Axle-Less Trailer Suspension on Large Tube Frame
    For the Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs # A35RS545E, I recommend using the cross tube in the integrated holes and bolting into all 6 locations if possible. For the vertical bolts, I do recommend using the 7 inch bolts you mentioned unless you want to use a pull wire and fabricate some stops for shorter carriage bolts to work like a trailer hitch installation.
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  • Recommended Axle Replacement with Brakes for 1993 Coachman 5th Wheel Trailer
    For your 1993 Coachman 5th wheel trailer, we do not have axles the measurements you gave, however I do have a solution for you. We have a universal fit axle-less system that is really nice and will work great on your trailer. I recommend the Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs - Straight Spindle - 3,500 lbs # A35RS545E which will allow you to mount your spindles with shock absorbers to the frame of your trailer to ensure proper width. This system just...
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