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  6. 12-1/4 x 4 Inch Drum
Dexter Hydraulic Drum Brake Assembly - Duo Servo - 12-1/4" - Right Hand - 10,000 lbs

Dexter Hydraulic Drum Brake Assembly - Duo Servo - 12-1/4" - Right Hand - 10,000 lbs

Item # 23-405
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Dexter Axle Trailer Brakes - 23-405
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12-1/4" x 4" Passenger's-side hydraulic trailer brake assembly features a dual-plunger design. Mounting flange has a 7-bolt pattern. Self-adjusting brakes require little maintenance. Fits 15" or larger wheels. Call 800-298-8924 to order Dexter Axle accessories and parts part number 23-405 or order online at etrailer.com. Free expert support on all Dexter Axle products. Guaranteed Lowest Price and Fastest Shipping for Dexter Hydraulic Drum Brake Assembly - Duo Servo - 12-1/4" - Right Hand - 10,000 lbs. Accessories and Parts reviews from real customers.
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Dexter Axle Accessories and Parts - 23-405

  • Trailer Brakes
  • Hydraulic Drum Brakes
  • Dexter Axle
  • Brake Assembly
  • 12-1/4 x 4 Inch Drum
  • RH
  • Dual Servo
  • Self Adjust
  • 10000 lbs

12-1/4" x 4" Passenger's-side hydraulic trailer brake assembly features a dual-plunger design. Mounting flange has a 7-bolt pattern. Self-adjusting brakes require little maintenance. Fits 15" or larger wheels.


Features:

  • Hydraulic drum brake assembly is designed for use with a surge-type trailer brake actuator
  • Dual-plunger design delivers same amount of braking when driving either forward or in reverse
  • Self-adjusting brakes automatically adjust to deliver optimum performance and braking power
    • No need for manual brake adjustments
    • Proper adjustment leads to better brake efficiency and less wear on your tow vehicle's brakes
  • Mounting bolts and hardware sold separately
  • Made in the USA


Specs:

  • Application: most standard hub-and-drum assemblies including Dexter and Lippert (LCI)
  • Configuration: right hand (passenger's side)
  • Dimensions: 12-1/4" diameter x 4" wide
  • Mounting flange bolt pattern: 7 bolt
  • Wheel size: 15" or larger
  • Axle rating: 10,000 lbs
  • Limited 5-year warranty


K23-405-00 Dexter 12-1/4" Duo-Servo Hydraulic Brake Assembly - RH - Self Adjust - 10K

Replaces 179150 and 23-405





Video of Dexter Hydraulic Drum Brake Assembly - Duo Servo - 12-1/4" - Right Hand - 10,000 lbs

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Dexter Axle Trailer Brakes 23-405 Review

Today we're going to take a look at the Dexter 12 1/4 inch right hand, passenger side, self-adjusting hydraulic drum brake assembly for a 10,000 pound axle. Now, a hydraulic drum brake assembly is designed for use with surge type trailer brake actuators. This one is a duo server, which is the dual plunger design. This will deliver the same amount of braking when driving either forward or in reverse. These are self-adjusting brakes. You can see by the cable right here that goes down to a lever that automatically adjusts the wheel here.

Now, self-adjusting brakes will automatically adjust to deliver optimum performance in braking power. There's no need for manual brake adjustments, so the proper adjustment will lead to better brake efficiency and less wear on your tow vehicle's brakes. This part will include the right hand passenger brake assembly. Now the mounting bolts and hardware to install this we do sell separately. The specs on this, this is a 12 1/4 inch by four inch wide and those measurements, the 12 1/4 diameter is from this shoe to this shoe. If we put a ruler on that, you can see it's right at 12 1/4 inches.

Again, the width will be the pad size or width, which is going to be right at four inches wide. It does require a brake mounting phalange bolt pattern, you can see, of seven holes. It does require the use of 12 1/4 inch brake drums. It does use wheel sizes 15 inches and larger. Again, it is designed for axles that are rated at 10,000 pounds. Now, the last thing I do want to mention is this is a right hand passenger side assembly.

The way you can tell that, now on a new brake assembly, it'll have a sticker that'll tell you that, but if that sticker wasn't there, the easiest way is to look at the length of the pad on the brake shoes. This pad will go from here to here and this one goes all the way from here all the way to here. This is a longer pad. This is the shorter pad. The shorter pad is the primary shoe, that'll always face the front of the trailer, so that's telling you it goes on the right hand passenger side. That should do it for the review on the Dexter 12 1/4 right hand passenger side self-adjusting hydraulic drum brake assembly for 10,000 pound axles..

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Ask the Experts about this Dexter Axle Accessories and Parts

  • Switching My Electric Drum Brakes to Hydraulic Drum Brakes on Dexter 10k Axles
    We carry disc brake kits for the Dexter 10K Standard Duty axle. Unfortunately, there is no disc brake kit available through our venders that fits the Dexter 10K Heavy Duty Axle. You could upgrade to a hydraulic drum brake system from your electric drum brakes. You will need Dexter Left Hand Hydraulic Brake Assembly # 23-404 and the Right Hand Brake Assembly # 23-405. If your drums need to be replaced, you will need Brake Drum Assembly # 9-27-1. You can remove your hubs off your current...
    view full answer...
  • 10k Hydraulic Drum Brake Assembly Recommendation
    I looked up your trailer and it looks like it has two Dexter 10k axles. I couldn't find info on the actual brake style though. You hinted that they aren't like electric brakes. Are they disc or hydraulic possibly? Do you have any pictures?
    view full answer...

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Info for this part was:

Installed by:
Jeff D
Updated by:
Laura H
Updated by:
Sarah W
Updated by:
Alexander C

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