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  1. Trailer Axles
  2. Dexter
  3. 2000 lbs
  4. 60 Inch Hub Face
  5. 5 on 4-1/2 Inch
  6. 48 Inch Spring Center
Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs
Dexter

Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs

Part Number: 20545I-ST-60-10
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$291.30
Trailer Axles
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Round trailer axle measures 60" from hub face to hub face and 48" from spring center to spring center. Includes idler hubs - with bearings, races, and seals - for 8" to 10" wheels. Great Prices for the best trailer axles from Dexter. Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs part number 20545I-ST-60-10 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Dexter Trailer Axles - 20545I-ST-60-10

  • 2000 lbs
  • 60 Inch Hub Face
  • 5 on 4-1/2 Inch
  • 48 Inch Spring Center
  • No Drop or Lift
  • Idler Hubs
  • Leaf Spring Suspension
  • Dexter
  • Standard Grade

Round trailer axle measures 60" from hub face to hub face and 48" from spring center to spring center. Includes idler hubs - with bearings, races, and seals - for 8" to 10" wheels.


Features:

  • Round axle beam acts as part of your trailer's suspension system
    • Replace an axle on your trailer
    • Fabricate a suspension to fit your application
  • High-strength steel construction
  • Bend in axle creates zero camber angle for even road-to-tread contact across the width of your trailer's tires
    • Best for straight-line acceleration and steady, controlled towing
  • Underslung design - spring seats welded to underside of axle for mounting leaf springs
    • Low ride height makes it easier to load and unload your trailer
  • Straight spindle - no drop
    • Standard grease application
  • Spring seats and spindles are welded on
  • Cast iron idler hubs are sturdy and durable
    • Bearings, races, seals, grease caps, wheel studs, lug nuts, and marine-grade wheel bearing grease included
  • Limited 2-year warranty


Specs:

  • Weight capacity: 2,000 lbs
  • Hub-face-to-hub-face length: 60"
  • Spring-center-to-spring-center length: 48"
  • Bolt pattern: 5 on 4-1/2"
  • Tubing outer diameter: 1-3/4"
  • Spindle size: 1-1/16"
  • Grease cap outer diameter: 1.986"
  • Wheel stud diameter: 1/2"
  • Wheel size: 8" - 10"


Bearing, Race, and Seal Information

  • Bearings
    • Inner bearing: L44649
    • Inner bearing: L44649
  • Races
    • Inner race: L44610
    • Outer race: L44610
  • Seal: 10-9
    • Inner diameter: 1.50"
    • Outer diameter: 1.987"


Axle Dimensions

Hub Face and Spring Center Measurements on Standard Trailer Axle

There are multiple ways to measure the length of an axle beam, but the hub-face-to-hub-face and spring-center-to-spring-center lengths are the most accurate. Hub face (A) refers to the length of the axle measured from the base of one wheel stud to the base of the wheel stud on the opposite side of the axle.


The spring center (B) is the approximate width of your trailer. It is measured from the center of the spring seat on one side of the axle to the center of the seat on the other. This axle beam comes with the spring seats welded on.


If you are replacing your trailer's axle, you should be able to figure out which type you need by determining your trailer's capacity, the bolt pattern of your wheels, the brake type and the aforementioned lengths.


Dexters

Dexters are made of high-strength steel and come with spindles and spring seats welded on. The spring seats are attached to the underside of the axle so that the leaf springs (sold separately) can mount beneath the axle. The result of this underslung design is a trailer that rides a bit lower for quick and easy loading and unloading.


Each axle is manufactured to create a certain camber angle. This ensures that the angle of the wheels is correct for your towing needs. Because the primary concern when towing is maintaining controlled, in-line movement, each axle is made so that your trailer's tires will run along the pavement evenly, with contact across the width of the tread. The result is excellent straight-line acceleration for steady, in-line tracking. You might notice the bend near the center of the axle; this is what ensures the proper camber angle. Having the center ride a bit higher and the sides of the axle bent lower allows the axle to give just enough to compensate for the load.


Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: 8 on 6-1/2 means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: 5 on 4-1/2 means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

Bolt Pattern - Side

Measuring the distance (D) from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"


T20BTR-6048 Dexter Replacement Axle Beam - 60" Hub Face - 48" Spring Center - 2,000 lbs

8-259-5UC1Trailer Hub Assembly for 8" to 10" Wheels - 2,000-lb Axles - 5 on 4-1/2 - L44649

457458 Loctite Viper Lube High Performace Synthetic Lubricant - 14.1 oz Can




California residents: click here


Ratings & Reviews

4.8

383 reviews
Round trailer axle measures 60" from hub face to hub face and 48" from spring center to spring center. Includes idler hubs - with bearings, races, and seals - for 8" to 10" wheels.

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See what our Experts say about this Dexter Trailer Axles

  • Replacement Axle for Harbor Freight Utility Trailer
    Since you want to change your trailer hubs to the 5-on-4-1/2 bolt pattern I suggest you select a 60-inch axle kit that includes idler hubs, such as one of the two kits shown on the linked page. These two 2K-rated axle kits include 5-on-4-1/2 hubs, bearings, races, seals, lug nuts and bearing grease. Kit # 20545I-ST-60-10 works with 8- to 10-inch wheels and kit # 20545I-ST-60-15 works with wheels from 12- to 15-inches diameter. If you trailer's existing axle is installed below your leaf...
    view full answer...
  • Axle Upgrade for my Harbor Freight 1720 Utility Trailer
    We can very likely get this worked out. Can you tell me how far it is from spring center to spring center? This is the distance from the middle of one spring to the middle of the other. We will also need the hub face to hub face measurement. This is the distance from where the wheel touches the axle to the same spot on the other side. This will tell me if I have a stock replacement upgrade like the Dexter Trailer Axle with Idler Hubs part # 20545I-ST-60-10 available or if we would need...
    view full answer...
  • Can You Move the Spring Seats on the 2K 60" Dexter Trailer Axle with Idler Hubs
    Correct, you can move the spring seats on the Dexter Trailer Axle with Idler Hubs part # 20545I-ST-60-10 in or out to match your trailer. In order to do so, simply cut the tack welds to free the seat and then tack them back into place where you need them. Please note, you'll also need new u-bolts like the U-Bolt Kit for Mounting 2K Axles part # APUBR-10. If you damage the old spring seats cutting them off you can replace them with the Spring Seat part # TRSS175.
    view full answer...
  • Does Spring Seat to Spring Seat Dimension of Trailer Axle Have to Match Perfectly for Replacement
    You really have to match the distance between the spring seats exactly when replacing an axle. You could move the spring seats of the # 20545I-ST-60-10 a 1/2 inch in on either side to match the dimension you need since this is the closest axle to the dimensions you need. Or you'd have to find a local trailer shop to you who could order you in the axles you need based on this dimension matching as well as the hub face to hub face dimension of your old axle. I attached a picture that has...
    view full answer...
    Image 1 for
  • Wheel Size Limit on Dexter Trailer Axle
    The Dexter Axle part # 20545I-ST-60-10 is a 2,000 lb axle made for lighter trailers that traditionally use 8 or 10 inch wheels. The hubs that come with the axle are idler hubs for trailers without brakes with a 5 on 4-1/2 bolt pattern and a part # L44649 for inner and outer bearing. The 5 on 4-1/2 bolt pattern and L44649 bearing is common for 12 and 13 inch size wheels so you can upgrade your wheels, tires and hubs in the future if you have the clearance on the trailer to do so. The larger...
    view full answer...
  • How to Choose Replacement Axle
    Thank you for the photo and while there is a way to determine a replacement axle, unfortunately there is nothing on the damaged axle tag that can be used as a way to specifically find the correct one. In order to choose the correct replacement axle for your trailer you will need to know the dimensions of your current axle's hub face to hub face and spring center to spring center as in the diagram I have added; the other thing you need to know is the weight capacity of the axle you need,...
    view full answer...
    Image 1 for Image 2 for
  • Hub-Face to Hub-Face Length of Dexter Trailer Axle
    The 60 inch measurement of the Dexter Trailer Axle # 20545I-ST-60-10 is the hub-face to hub-face measurement. That is from the outside of the hubs when they're install on the spindles. I've attached a diagram showing this.
    view full answer...
    Image 1 for
  • Replacing an Axle on a Narrow Trailer
    With the measurements you provided, unfortunately we will not have a through axle available for your trailer. However, we do have a Timbren Axle-Less System that may suite your needs. The # ASR2KHDS01 will not require spring seats and as long as the hub face measures 6 inches to the frame, it would be a great option. This does not come with hubs, though, so you would also need to get two of the Dexter Idler Hubs # 84545UC1-EZ.
    view full answer...
  • Replacement Axle For A 4x8 Trailer With Overslung Suspension
    In order to replace your current over slung axle on you 4x8 Harbor Freight trailer with the Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs Item # 20545I-ST-60-10 you would need to have a Spring Seat for Typical 2,000-lb, Round Trailer Axles with 1-3/4" Diameter - Qty 1 Item # TRSS175 welded on the top of the axle on each side. We do not currently offer an overslung combination for that axle size.
    view full answer...
  • Should Mobile Home Axles Be Used On Utility Trailer?
    Mobile home axles like what you have on your utility trailer are designed for one time use and really should not be used on a utility trailer. Your best bet is to replace the axle with one built for a RV/Trailer. You will need to measure the hub face to hub face measurement of your current axle, the spring center to spring center measurement, and the weight capacity of the axle. For example the Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs # 20545I-ST-60-10...
    view full answer...
    Image 1 for
  • Parts Needed To Upgrade A Freight Trailer To 14" Tires
    Hi Josh, You shouldn't have to replace the axle just to get 14" tires and could likely just need a new set of idler hubs to be able to mount 14" wheels. I'm going to need some information on what you currently have first to see if there's a compatible fit and I'd like to see some pictures of your current wheels and the spacing they have from vertically form the fenders and horizontally from the frame. Can you remove the hub and measure the spindle with a caliper # PTW80157 at points...
    view full answer...
  • Recommended Replacement Axles and Leaf Springs for Boat Trailer with Dual 2,000 lb Axles
    If your axles are 60 inches from hub face to hub face and 48 inches from center of spring to spring, then I recommend the Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs # 20545I-ST-60-10 or the 4 bolt hub version # 20440I-ST-60. If you have longer axles with the hub face to hub face measuring 72 inches with spring centers at 58 inches, then you will want # 20440I-ST-72 for 4 bolt hubs. With any of these axles, I recommend the hardware # CE23000. I've...
    view full answer...

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Info for this part was:

Employee Lindsey S
Written by:
Lindsey S
Employee Jameson C
Expert Research:
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Employee Dustin K
Video Edited:
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Employee Chris R
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Employee Wilson B
Updated by:
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Employee Mike S
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