Trailer Brakes

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Dexter Axle

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Electric Drum Brakes

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8000 lbs Axle

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9000 lbs Axle

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12-1/4 x 3-3/8 Inch Drum

Dexter Electric Trailer Brake Kit - Self-Adjusting - 12-1/4" - Left/Right Hand - 8K to 9K

Dexter Electric Trailer Brake Kit - Self-Adjusting - 12-1/4" - Left/Right Hand - 8K to 9K

Item # 23-434-435

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Trailer Brakes

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Trailer Brakes 23-434-435 - Brake Set - Dexter Axle
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12-1/4" x 3-3/8" Driver's-side and passenger's-side electric brakes fit 8,000-lb to 9,000-lb axles. Mounting flanges have a 4-bolt pattern. Self-adjusting brakes require little maintenance. Fit 16" or larger wheels. Lowest Prices for the best trailer brakes from Dexter Axle. Dexter Electric Trailer Brake Kit - Self-Adjusting - 12-1/4" - Left/Right Hand - 8K to 9K part number 23-434-435 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (1)
  • Q & A (5)
  • Videos (1)
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Dexter Axle Trailer Brakes - 23-434-435

  • Electric Drum Brakes
  • 8000 lbs Axle
  • 9000 lbs Axle
  • 12-1/4 x 3-3/8 Inch Drum
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • 17 Inch Wheel
  • 17-1/2 Inch Wheel
  • Dexter Axle
  • Self Adjust
  • Brake Set

12-1/4" x 3-3/8" Driver's-side and passenger's-side electric brakes fit 8,000-lb to 9,000-lb axles. Mounting flanges have a 4-bolt pattern. Self-adjusting brakes require little maintenance. Fit 16" or larger wheels.


Features:

  • Electric brakes are easier to install and offer more user control than hydraulic brakes
    • Require only an electric brake controller (sold separately) - no actuator or hydraulic lines necessary
  • 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
  • Left-hand (driver's-side) brake assembly and right-hand (passenger's-side) brake assembly included
    • Mounting bolts and hardware sold separately
  • Made in the USA


Specs:

  • Dimensions: 12-1/4" diameter x 3-3/8" wide
  • Mounting flange bolt pattern: 4 bolt
  • Wheel size: 16" or larger
    • Compatible with 12-1/4" hub/drums
  • Axle rating: 8,000 lbs - 9,000 lbs


23-434 Dexter Electric Brake Assembly, LH 12-1/4" x 3-3/8" - Self Adjust - 8K to 9K

23-435 Dexter Electric Brake Assembly, RH 12-1/4" x 3-3/8" - Self Adjust - 8K to 9K







Video of Dexter Electric Trailer Brake Kit - Self-Adjusting - 12-1/4" - Left/Right Hand - 8K to 9K


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




Video Transcript for Dexter Axle Trailer Brakes - Electric Drum Brakes - 23-434-435 Review

Today, we're going to take a look at the Dexter 12-1/4" Self-Adjusting Electric Trailer Brake Kit with the left and right-hand brake assemblies for 8,000 to 9,000-pound axles. Now, electric brakes, they're easier to install, they offer more user control than hydraulic brakes. Basically, they just require only an electric brake controller, we do sell that separately on our website, and there is no actuator hydraulic lines necessary with electric brakes. Now, these assemblies are self-adjusting brakes. You can see the cable goes around the pulley, connects to the lever right down here that automatically adjusts the brakes. Now, in self-adjusting brakes, they automatically adjust to deliver optimum performance and braking power. There's no need for any manual brake adjustments.

And what's nice is, since they automatically adjust, the proper adjustment will lead to better brake efficiency and less wear on your tow vehicle's brakes. Now, this part will include the left-hand driver side and right-hand passenger side brake assemblies. The mounting bolts and hardware to install these are sold separately. A few specs on this: The size on the assembly is 12-1/4" diameter by 3-3/8" wide. Where we measure that, the diameter, would be from this shoe all the way across to this shoe, so there's your 12-1/4" diameter. The width would be the width of the pad on the shoe, 3-3/8".

If you look on the back, you can see the four mounting holes, this is a brake-mounting flange bolt pattern of four holes. Now, these do require the use of 12-1/4" brake drums. The wheel size that'll fit on these is 15" or larger. The axle rating they're designed for is 8,000-pound to 9,000-pound axles. Now, these are electric brakes, so if you notice, they do have the two white wires in the back that need to be connected.

One goes to brake feed, the other to a good, clean ground. Either wire can be used for either function. The last thing I want to show you is how to tell the difference between the left-hand driver side and right-hand passenger side. Now, on a new assembly, of course, there will be a sticker and that'll tell you what side they go on, but if that sticker wasn't there, you just need to look at the length of the pad on the brake shoes. This pad is from here, all the way up to here, this one is just from here to here. This is the shorter pad, so that's the primary shoe.

Primary shoe always faces the front of the trailer, so that'll tell you that this is the left-hand driver side assembly. Over here, pad is from here to here, this is from here to here. This is the shorter pad, the primary shoe, and again, faces the front, so that's the right-hand passenger side assembly. That should do it for the review on the Dexter 12-1/4" Self-Adjusting Electric Trailer Brake Kit with the left and right-hand brake assemblies for 8,000 to 9,000-pound axles.


Customer Reviews

Dexter Electric Trailer Brake Kit - Self-Adjusting - 12-1/4" - Left/Right Hand - 8K to 9K - 23-434-435

Average Customer Rating:  5.0 out of 5 stars   (1 Customer Reviews)

12-1/4" x 3-3/8" Driver's-side and passenger's-side electric brakes fit 8,000-lb to 9,000-lb axles. Mounting flanges have a 4-bolt pattern. Self-adjusting brakes require little maintenance. Fit 16" or larger wheels.

- 23-434-435
by:

Fit the 4 bolt flange great 704444


1
1

Ask the Experts about this Dexter Axle Trailer Brakes

Do you have a question about this Trailer Brake?


  • Will etrailer.com 12-1/4 inch by 3-3/8 inch Brake Assemblies Replace Dexter Brand
  • For your Dexter drums that take assemblies that are 12-1/4 inch by 3-3/8 inch our etrailer.com brand asssembly set part # AKEBRK-10 is a confirmed fit and will save you money over the Dexter kit # 23-450-451. These are both kits for 10k axles. If instead you have 8k you'd need # AKEBRK-8 for etrailer.com brand and # 23-434-435 for Dexter.
    view full answer...

  • Converting Hydraulic Brakes To Electric On Tri-Axle Livestock Trailer
  • Most hubs are compatible with electric and hydraulic brakes. The 10,000 lb axle 12-1/4 inch diameter Dexter hub and drum assembly part # 8-430-5UC3 that we carry is hydraulic and electric brake compatible which may be what you have. If you can tell me the part number of the Dexter hubs and drums you have specifically I can find out if they are compatible. If your hubs are compatible, I recommend Dexter Electric Brake Kit part # 23-434-435. These Dexter brakes measure 12-1/4" diameter...
    view full answer...

  • Recommended Electric Brake Assemblies for Lippert 8,000 Axle
  • The Dexter Electric Trailer Brake Kit # 23-434-435 referenced in your question is designed for 8,000 to 9,000 pound axles. As long as your existing hub drums feature a 12-1/4 inch diameter and 3-3/8 inch depth, these electric brake assemblies will work great on your Lippert axle. You will also just want to make sure that the 4 bolt mounting pattern on these assemblies matches the pattern on your existing mounting flange. Both the left hand and right hand assemblies are included. I have...
    view full answer...

  • Do Electric Brakes Need Certain Amount of Stopping Power?
  • That isn't the sort of figure that is factored into brakes. What you need to choose the right brakes is your axle's capacity, which is going to lead you in the right direction in terms of the brakes you need. For example, a 3,500 lb axle capacity would need electric brakes # AKEBRK-35-SA and in 8,000 lb axle or 9,000 lb axle would use # 23-434-435.
    view full answer...

  • Electric Trailer Brake Kit for 8K Drum Brakes
  • There are a pair of brake kits which are rated for 8,000 lbs which may work for you. The Electric Trailer Brake Kit w/ Dust Shields # AKEBRK-8 and Dexter Electric Trailer Brake Kit # 23-434-435 have a 4 bolt mounting flange bolt pattern, are 12-1/4" diameter x 3-3/8" wide, and are self-adjusting. These will only require the use of an electric brake controller; I've added a link to our page with each of our controllers for you. I've also added a link to a video review of the Dexter brakes...
    view full answer...


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Info for this part was:

Edited by:
Lindsey S
Installed by:
Jeff D
Written by:
Alexander C

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