Dexter Hydraulic Drum Brake Kit - Duo Servo - 12-1/4" - Left and Right Hand Assemblies - 9K/10K

Dexter Hydraulic Drum Brake Kit - Duo Servo - 12-1/4" - Left and Right Hand Assemblies - 9K/10K

Item # 23-410-411

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Trailer Brakes

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Dexter Axle Brake Set Trailer Brakes - 23-410-411
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Product Images


  • Hydraulic Drum Brakes
  • 9000 lbs Axle
  • 10000 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
  • Dual Servo
  • Brake Set
12-1/4" x 3-3/8" Driver's-side and passenger's-side hydraulic trailer brakes have a dual-plunger design. Mounting flanges have a 7-bolt pattern. Self-adjusting brakes require little maintenance. Fit 15" or larger wheels. Lowest Prices for the best trailer brakes from Dexter Axle. Dexter Hydraulic Drum Brake Kit - Duo Servo - 12-1/4" - Left and Right Hand Assemblies - 9K/10K part number 23-410-411 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


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  • Q & A (5)
  • Videos (1)
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Dexter Axle Trailer Brakes - 23-410-411

12-1/4" x 3-3/8" Driver's-side and passenger's-side hydraulic trailer brakes have a dual-plunger design. Mounting flanges have a 7-bolt pattern. Self-adjusting brakes require little maintenance. Fit 15" or larger wheels.


Features:

  • Hydraulic drum brake assemblies are 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
  • Left-hand (driver's-side) brake assembly and right-hand (passenger's-side) brake assembly included
    • Mounting bolts and hardware sold separately


Specs:

  • Dimensions: 12-1/4" diameter x 3-3/8" wide
  • Mounting flange bolt pattern: 7 bolt
  • Wheel size: 15" or larger
  • Axle rating: 9,000 - 10,000 lbs


23-410 Dexter 12-1/4" Duo-Servo Hydraulic Brake Assembly - LH - Self Adjust - 9K/10K

23-411 Dexter 12-1/4" Duo-Servo Hydraulic Brake Assembly - RH - Self Adjust - 9K/10K







Video of Dexter Hydraulic Drum Brake Kit - Duo Servo - 12-1/4" - Left and Right Hand Assemblies - 9K/10K


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




Video Transcript for Dexter Axle Trailer Brakes - Hydraulic Drum Brakes - 23-410-411 Review

Toady we're gonna take a look at the Dexter 12 1/4" self-adjusting hydraulic drum brake kit, includes the left-hand and right-hand drum brake assemblies for 9,000 lbs and 10,000 lbs general duty axles. Now these hydraulic drum brake assemblies are designed for use with surge-type trailer brake actuators. These assemblies are a dual servo, which is the dual plunger design, delivers the same amount of braking when driving either forward or in reverse. These are self-adjusting brakes and you can tell that by the cable right here, you can see, that goes around the pulley, attaches to a lever down here, then adjusts your brakes automatically. Now the self-adjusting brakes automatically adjust to deliver optimum performance and braking power. There's no need for manual brake adjustments and of course proper adjustment will lead to better brake efficiency and less wear on your tow vehicle brakes. This part will include both the left-hand driver's side, right-hand passenger's side brake assemblies. Now the mounting bolts and hardware to install these are sold separately.

A few spec on this, the dimensions on these is 12 1/4" diameter x 3 3/8" wide and those measurements, the diameter will be from this shoe to the edge of this shoe, so if we put a ruler on that, there's your 12 1/4" diameter. The 3 3/8" wide would be the width of the pad on the brake shoe. So if we put a ruler on that, you can see there's your 3 3/8" wide. Now this is designed to go on a brake mounting flange bolt pattern of seven bolts and you can see those seven bolt holes right here. And it does require the use of 12 1/4" diameter brake drums. The wheel size it fits is 15" and larger, and again the axles, these are designed for 9,000 lbs and 10,000 lbs general duty axles. Now I just want to show you the difference of how you can tell the left-hand betwee- next to the right-hand assembly, the difference in the two.

Now on a new assembly, you'll see a sticker right here that'll tell you right-hand or left-hand, but if the sticker wasn't there the easiest way to tell is to look at the length of the pad on the brake shoe. So if you look at this one, the pad goes from here all the way to here. On here, this shoe goes from here to here, so this is a shorter shoe. This is the primary shoe. This will always face the front of the trailer.

So if that's the case, you can see this is you're right-hand passenger-side assembly. And if we go to the left-hand side, the same way, look at the length of the pad. This pad goes from here to here. This one's all the way from here to here. This is the shorter pad.

Again this will face the front of the trailer, 'cause it's the primary shoe, so this will be your left-hand driver's side assembly. But that should do it for the review on the Dexter 12 1/4" self-adjusting hydraulic drum brake kit, left-hand and right-hand drum brake assemblies for 9,000 lbs and 10,000 lbs axles.

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  • Parts Needed to Convert Trailer with 8k Electric Brakes to 8k Electric Over Hydraulic Brakes
  • Converting from electric drum brakes to electric over hydraulic drum is pretty straight-forward. Basically you swap out the electric brake assemblies for hydaulic ones, you run hydraulic lines and then install an actuator and you'd be all set. For hydraulic brake assemblies you'd want the Dexter Hydraulic Drum Brake Set part # 23-410-411 which is a set that includes one passenger side assembly and one driver side. The actuator kit then to go with is the Hydrastar kit part # HBA-12...
    view full answer...

  • Replacement Drum Brakes Assembly for 10,000 lb Dexter Axle
  • We have drum brake assemblies for your 10K Dexter axles. If you want the electric assemblies, we have the Dexter Electric Brake Kit - Self-Adjusting - 12-1/4" - Left/Right Hand Assemblies - 9K to 10K # 23-450-451 if your hubs are 12-1/4 by 3-3/8 inches. If your hubs are the 4 inch width, then you will use the Dexter Electric Trailer Brake Kit # 23-438-439. If you have hydraulic brakes we have the following: # 23-410-411 for 12-1/4 x 3-3/8 inch drum # K23-524-00-2 for 12-1/4 x 3-1/2...
    view full answer...

  • Parts Needed to Convert Electric Brakes to Hydraulic Drum Brakes on Kaufman Trailer
  • We do have everything you need to convert the electric brakes on your trailer to hydraulic drum brake assemblies. I have attached a great article that will walk you through everything that is needed to make this conversion. For the brake assemblies themselves, we do have one kit available in the 12-1/4 x 3-3/8 size you are needing for 10,000 pound axles. The Dexter Hydraulic Drum Brake Kit # 23-410-411 includes both the Left Hand and RIght Hand assemblies and features a 7 bolt mounting...
    view full answer...

  • Replacement Braking Assemblies for a 10,000 Lb Trailer Axle
  • The correct replacement braking assembly for your trailer should be either the Hayes/AL-KO Hydraulic Brake Kit part # K23-524-00-2 or the Dexter Hydraulic Drum Brake Kit part # 23-410-411. If you take a look for a tag on the center of the axle that should tell you the manufacturer and weight capacity. If not you would need to inspect the brake mounting flange and size of the assembly. The Dexter assembly uses a 7 bolt brake mounting flange and is 12-1/4" diameter x 3-3/8" wide (see photo...
    view full answer...

  • Recommended Brake Assemblies for 31 Foot Travel Trailer with Tandem Axles
  • For axles that are roughly 5,000 lbs each base on your 10,000 lb rating, you will need 12 inch brake assemblies for your 31 foot travel trailer. I recommend the Electric Trailer Brake Kit - Self-Adjusting - 12" # AKEBRK-7-SA. If you have hydraulic brakes, you will want # AKFBBRK-7 instead which is a free-backing brake assembly. These assemblies both work with the standard 5 bolt mounting flange on axles of this capacity level. If you meant that each axle was rated for 10,000 lbs,...
    view full answer...


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Info for this part was:

Edited by:
Lindsey S
Installed by:
Jeff D
Updated by:
Sarah W
Written by:
Alexander C

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