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  1. Trailer Axles
  2. Timbren
  3. 2200 lbs
  4. Universal Fit
  5. Spindles Only
  6. Lift - 4 Inch
Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Lift - 4 Bolt Flange - 2,200 lbs
Timbren

Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Lift - 4 Bolt Flange - 2,200 lbs

Part Number: TASR1THDS04
$1,017.56
Trailer Axles
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Get more clearance and a smoother ride when towing with Axle-Less trailer suspension. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, 4" lift spindle raises deck height for additional clearance. Fits any trailer frame width. Great Prices for the best trailer axles from Timbren. Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Lift - 4 Bolt Flange - 2,200 lbs part number TASR1THDS04 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Timbren Trailer Axles - TASR1THDS04

  • 2200 lbs
  • Universal Fit
  • Spindles Only
  • Lift - 4 Inch
  • Rubber Spring Suspension
  • Timbren
  • EZ Lube Spindles

Get more clearance and a smoother ride when towing with Axle-Less trailer suspension. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, 4" lift spindle raises deck height for additional clearance. Fits any trailer frame width.


Features:

  • Delivers a smooth, stable, quiet ride - regardless of load size
    • Jounce springs absorb road shock and support trailer's load
    • Rebound springs minimize body roll, rattle, and bottoming out
    • Built-in camber and toe-in reduce wear on your trailer's tires
    • Units work independently - what affects one side of your trailer won't affect the other
  • Eliminates axle beam to increase ground clearance and fit any trailer frame width
    • System replaces 1 trailer axle and suspension components
    • 2 Separate units bolt directly to your trailer's frame
  • Designed for your overlanding or off-road adventures
    • Robust, heavy-gauge steel construction is built to handle abuse
    • Black powder coat resists rust and corrosion
  • Raises trailer deck height for maximum ground clearance
    • 4" Lift spindle is built in
  • Allows for simple bearing maintenance with built-in grease zerks


Specs:

  • Application: single- and tandem-axle trailers that use regular tires
    • Tandem-axle trailers require 2 complete systems
    • Not recommended for triple-axle trailers
  • Quantity: 2 suspension units (without hubs)
  • Weight capacity: 2,200 lbs
  • Brake flange configuration: 4 bolt
  • Bolt hole diameter: 1/2"
  • Suspension travel: 3-3/8"
  • 3-Year limited warranty


Tire, Wheel, and Hub Compatibility

  • Tire size: ST205/75R15 or smaller
  • Wheel diameter: 15" or smaller
    • This assumes a wheel with zero offset
  • Bearings (sold separately)
    • Inner: L68149
    • Outer: L44649
  • Races (sold separately)
    • Inner: L68111
    • Outer: L44610
  • Seal: 10-19 (sold separately)
    • Inner diameter: 1.719"
    • Outer diameter: 2.565"

Note: This Axle-Less system requires crossbeam support. If your trailer frame doesn't have a crossmember in place, you can retrofit it with one, or you can add a support by running a piece of 2" x 2" steel tubing through the square holes cut into these units. You could also add a steel reinforcement bracket to the inside of the trailer frame.


Get more ground clearance and a more comfortable ride when you're towing with Timbren's Axle-Less trailer suspension. This suspension system provides great shock absorption to comfortably get you where you need to go and to protect your precious cargo as you travel - even on rough terrain. With 2 independently operating units, you'll get better handling when making tight turns. And because this system eliminates your axle and has lift spindles built in, you'll get maximum ground clearance.


Timbren Axle-Less Suspension vs. Other Suspension Systems

There are many suspension options for your trailer or camper. So, what makes Timbren Axle-Less different?


Leaf Spring Example

Axle-Less systems are a definitive upgrade over traditional leaf springs, in part because they allow you to do away with your thru-axle, allowing for maximum clearance. As you've probably noticed, having a leaf spring suspension means that your axle will always hang at least a few inches below your trailer's frame, resulting in limited ground clearance. This may make it difficult to navigate off-road terrain.


In addition, while leaf springs do a great job of supporting an even load, they may cause your trailer to bounce and rattle when it's empty or to bottom out with a heavy load. And they don't offer any type of shock absorption for a smooth ride - unless you have upgrades built in. With Timbren's Axle-Less system, gone are the days of dealing with these annoyances - this suspension is designed for a quiet, balanced ride, whether your trailer's fully loaded or empty.


Torsion Axle Example

A torsion axle is a step up in terms of shock absorption, and it provides more clearance than a traditional, leaf spring suspension, but that crossbeam will still hang down some. And if your torsion axle gets damaged in any way, it can't be repaired - you'll have to replace the entire thing with a setup that matches your exact trailer frame width.


With the Axle-Less system from Timbren, you won't have a low-hanging axle beam to get in the way when you want to go off-road. The lift spindles on this setup will also raise your deck height, making navigating off-road terrain way easier. And the rubber springs and independent operation both combine to absorb shock and deliver a smooth, easy ride. In addition, the Axle-Less system can be easily maintained over time, and it will fit any trailer frame width, so you don't have to worry about potentially ordering the wrong size like you might with other systems.


Timbren Silent Ride Example

Another suspension upgrade on the market is Timbren's Silent Ride. This setup is a great option to reduce bounce and rattle because it has the same AEON rubber springs as the Axle-Less system. But the Silent Ride still requires an axle, so you won't get the same ground clearance or low deck height as you will with the Axle-Less suspension.


Timbren Axle-Less Suspension Parts

The Timbren Axle-Less suspension is designed with you in mind. All of the parts work together so you can tow your trailer comfortably - regardless of load size.


Timbren Axle-Less Suspension Parts Diagram

  1. The jounce spring supports the weight of your trailer and cargo. It easily absorbs road shock and is constructed of AEON heavy-duty, hollow rubber.
  2. The rebound spring delivers a smooth, stable ride - regardless of how much cargo is on the trailer. It controls the movement of the jounce spring to minimize trailer body roll, bounce, rattle, and bottoming out.
  3. The trailing arm with integrated hanger attaches 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 polyurethane bushings that never require lubrication.
  5. The E-Z Lube, 4" lift spindle is simple to grease. If damaged, it can be removed and replaced, saving you both time and money compared to a traditional axle.
  6. The built-in hole accepts 2" x 2" steel tubing (not included) to add support to your trailer's frame. The tubing sits higher than a trailer axle, providing additional ground clearance.

Installing the Timbren Axle-Less Suspension

Measuring Diagram

The first step in installing the Timbren Axle-Less suspension is to make sure that the mounting points for each unit are directly across from each other. The easiest way to measure this is to mark the desired mounting points on your trailer's frame. Then measure the distance between these points and the center of your trailer coupler. These measurements (A and B) need to be within 1/8" to keep your trailer frame square.


Once you have your mounting points lined up, you'll be ready to install the system. Drill 3 holes into your trailer frame at the desired mounting points. Then bolt each unit to the frame with Grade 8, 1/2" bolts (not included).


Keep Your Trailer Frame Square

Because Timbren's Axle-Less system eliminates your trailer's thru-axle, you'll have to find another way to get the crossbeam support that keeps your trailer frame square. You have a few different options to do this depending on your application and how much fabricating you're comfortable doing.


Crossmember Installation

If you're building a trailer, the best option is to begin building with the Timbren Axle-Less in mind and include a crossmember where you want to install the units on your frame. You can also retrofit an existing trailer with a crossmember.


Steel Tubing Installation

If you don't have a crossmember where you want to install the Axle-Less system (and you don't want to add one), pick up a section of 2" x 2" steel tubing from a nearby weld shop. This tubing will serve as a support to keep your trailer square. It will hang only about an inch down from your trailer frame, providing more clearance than a thru-axle.


After you've mounted both of the units to your frame, you'll need to drill 3 holes into the steel tubing and into the built-in, square holes. Then, insert the tubing through the holes and secure it with 3 bolts (not included) on each side.


Reinforcement Bracket Installation

The last option is to fabricate a reinforcement bracket that can be attached to the inside of your trailer frame and to the Axle-Less suspension. It may be a little harder to fabricate a compatible bracket than to mount steel tubing, but you may get additional clearance with this method.


Dimensions of the Timbren Axle-Less Suspension

The following diagrams show measurements taken on the Timbren Axle-Less suspension system.

Axle-Less dimensions front view

A B C D E F
13" 17-11/16" 1" 5" 9-5/8" 4-1/4"


Axle-Less dimensions top view

G H I J K L
5-5/8" 6" 4-3/4" 1-3/4" 3-3/8" 3-11/16"




ASR1THDS04 Axleless Trailer Suspension System by Timbren - 4" Lift Spindle - Without Hubs - 1 Ton HD

Installation Details TASR1THDS04 Installation instructionsAlternate Instructions TASR1THDS04 Installation instructions




Customer Reviews

Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Lift - 4 Bolt Flange - 2,200 lbs - TASR1THDS04

Average Customer Rating:  4.6 out of 5 stars   (152 Customer Reviews)

Get more clearance and a smoother ride when towing with Axle-Less trailer suspension. Built-in shock absorption limits rattle and bottoming out. E-Z Lube, 4" lift spindle raises deck height for additional clearance. Fits any trailer frame width.

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See what our Experts say about this Timbren Trailer Axles

  • Adding Electric Brakes To 2,200lb Dexter Torsion Axles
    It is possible to weld on a brake flange such as Brake Mounting Flange for 1-3/4" Round Trailer Axles - 2K # 4-34 for 1-3/4" round axles, but it takes a qualified welder and even then it can be difficult to accomplish. A better solution is to upgrade your current axles with something like Timbren Axle-Less Trailer Suspension System - Spindle w/Brake Flange - Regular Tires - 2,200 lbs # ASR1THDS01, or if you need lift spindles you can go with Timbren Axle-Less Trailer Suspension System -...
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  • Recommended Timbren Suspension, Hubs, and Electric Brakes for an Overland Trailer
    Since you are setting up an overland trailer, I recommend going with one of Timbren's Heavy Duty Systems like the Timbren Axle-Less Trailer Suspension item # TASR1THDS04. This system has a 4" lift, a 4 bolt brake flange, and has a 2,200 lbs capacity. With this system you can add the Dexter Trailer Hub & Drum Assembly item # 84546UC3-EZ. This hub has a 5 on 4-1/2" bolt pattern. This hub will work great with the Dexter Electric Trailer Brake Kit item # 23-26-27. If you have a different...
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  • Timbren Axle Less Suspension for Off-Road Trailer with 5 on 5-1/2 inch Bolt Pattern
    We do have a Timbren Axle Less setup that can have the bolt pattern you are wanting of 5 on 5-1/2 inches if you went with the part # TASR1THDS04 and then the hub/drum # AKHD-555-35-EZ-K with the brake assemblies # AKEBRK-35-SA and you'd be set.
    view full answer...
  • Can TASR1THDS04 be Bought Without Spindles
    No, the Timbren Axle-Less Trailer Suspension - Heavy Duty - 4" Lift - 4 Bolt Flange - 2,200 lbs # TASR1THDS04 is not available without the spindles.
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  • How Does Timbren Axle Less Trailer Axle Install on Trailer
    The Timbren Axle Less kits like the part # TASR1THDS04 that has a 4 inch lift and a 2.2k capacity can install on basically any trailer but they do not install a like a normal axle. 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...
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  • Compatible Hub Drum for Timbren TASR1THDS04 Axle-Less Suspension
    I took the liberty of looking up your previous order, and saw that you purchased the Timbren # TASR1THDS04 axle-less suspension. The spindle on the # TASR1THDS04 is compatible with a standard 3.5K brake hub/drum like # AKHD-655-35-EZ-K. The wheels you ordered are meant to be stud piloted, not hub piloted so the # AM20758 Dexstar Conventional wheel you have would be perfectly compatible. In other words, the wheel will work great with the hub/drum I recommended and the # K23-086-087-00 brake...
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  • Do You Have 2015 Little Guy Tag Trailer Lift Kit
    We have a two options available for you although with your square axle there isn't a basic "Lift Kit" that will work for you. The two options are basically the same thing just one is made for larger off road tires and one is made for standard tires. The Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle w/Flange - Off-Road Tires - # ASR1THDS03 and the Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle w/Flange - Regular Tires - part # TASR1THDS04. Both systems...
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  • Recommended Replacement Snowmobile Axle For a 2,200-LBS Axle
    The closest I was able to find was the: -Dexter Trailer Idler Axle Beam with EZ-Lube Spindles # T20BTR-EZ-7258. This axle has a 2,200-lbs weight capacity, a hub-face-to-hub-face measurement of 72", a spring-center-to-spring-center measurement of 58", and a spindle size of 1-1/16". Since it's not exactly what you need, I recommend checking out the Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle w/Flange # TASR1THDS04 instead. This is a universal solution that has a maximum...
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  • Option For Replacement 2,200 lb Axle System on Boat Trailer
    While we have an option for your suspension system, there aren't standard axles of that size, but what will work for you is an axle-less system from Timbren, and there is even an option for one with a lift if you want a little more height: - Timbren Axle-Less Trailer Suspension System # ASR1THDS01 or - Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle # TASR1THDS04 Both of these are 2,200 lb capacity systems that have a brake flange if your boat trailer has brakes. The Timbren...
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Do you have a question about this Trailer Axle?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Wilson B
Updated by:
Wilson B
Employee Matthew E
Updated by:
Matthew E
Employee Ryan F
Updated by:
Ryan F
Employee Kristina F
Written by:
Kristina F
Employee Michael B
Installed by:
Michael B

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