/
etrailer/
Hydraulic Drum Brakes/
5200 lbs Axle/
6000 lbs Axle/
7000 lbs AxleItem # AKFBBRK-7
Our Price: $139.43
This item qualifies for Free Shipping
Free-backing, driver's-side and passenger's-side brakes won't engage when you reverse, even if your actuator is activated. Automotive-grade friction pads and e-coated backing plates are long-lasting. Fit 14.5" to 16.5" wheels.
Features:
Specs:
Note: Because free-backing brakes are designed to eliminate nearly all friction between the brake shoes and the drum when you are driving in reverse, a trailer breakaway kit will not be effective should your trailer disconnect from your tow vehicle while you are backing up.
Free-backing brakes let your trailer move in reverse without the brakes being activated by your surge actuator. These brakes are needed if your actuator does not have a reverse lockout, which is a mechanism that ensures that the actuator does not activate when your rig moves in reverse.
Each of these free-backing hydraulic brake assemblies has a fall-away shoe, which provides full braking when your trailer is moving forward, but supplies only limited friction when the trailer is moving in reverse. During normal forward braking, the fall-away shoe expands to catch your brake drum. When driving in reverse, however, the fall-away shoe's extra spring will overcome the pressure from the brake cylinder. This keeps the leading edge from catching on the drum, so the shoe will not fully pivot into the drum. This exerts a smaller amount of friction, just enough to provide a minimal amount of braking when in reverse.
These trailer brake assemblies act as part of your trailer's hydraulic braking system. A hydraulic trailer brake actuator is required for these brakes to function.
These brake assemblies meet the requirements for certification by the Canadian Standards Association (CSA). The CSA creates standards, which when complied with ensure a safe and quality product. These brake assemblies underwent extensive testing to measure stopping distances when braking. These brakes have also been tested by QAI for braking performance in a complete automotive setup and under real-world conditions to provide the most realistic scenario for the everyday driver.
Each shoe on these brake assemblies is lined with automotive-grade friction material for improved stopping performance and longevity. The friction material is fully bonded onto the surface of the brake shoe. This lining is custom-molded for a perfect fit. The edges are tapered to ensure long-lasting performance. This taper, along with the circular grinding that the lining undergoes, helps to prevent cracking and crumbling. This durability helps to prevent mechanical lockup, which can occur when brake shoes are excessively worn or broken.
The friction material is also SAE-N certified, which means that it is an environmentally safe product that complies with California and Washington regulations regarding the composition of brake pads. As a result, this material not only provides high-performance braking that can endure the test of time, but it is also environmentally friendly and safe for use throughout the United States and Canada.
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See All Vehicle FitsVideo of Hydraulic Brake Kit - Uni-Servo - Free Backing - 12" - Left/Right Hand Assemblies - 5.5K to 7K
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Speaker 1: Today we're gonna be taking a look at the hydraulic brake kit U-Servo 00:00:02 free backing 12 inch left and right hand brake assemblies for five and a half thousand to seven thousand pounds. That's gonna be part number AKFBBRK-7.So here's what our brake assembly's gonna look like. The biggest benefit to our brake assembly here is that it is an entire assembly. We're not gonna have to worry about getting the hardware kit, a wheel cylinder, or anything else. As well as putting on the pads, they are hydraulic brake assemblies, which means they're gonna work with surge-type brake actuators.What's nice about these assemblies is that they have a free backing design. And what that means is, it's gonna let you back up without engaging the brakes, even if the actuator is activated.The fall-away brake shoe is only gonna anchor on the drum when the brakes are engaged, as the trailer is moving forward.The pads are gonna be fully bonded into the shoes and not riveted, which means that they're gonna give it a longer life and more of a bite on those brakes.The tapered edge at the bottom of our pad is gonna help prevent any kind of cracking and crumbling that can lead to a mechanical lock-up.Our brake assemblies are gonna have a fine tooth adjustment gear, and that's gonna allow us to fine tune our brakes, but it is a manual adjustment, so we are gonna have to check our brakes and adjust them periodically.There is gonna be a plug on the back that's gonna help keep out all the dirt and debris from getting inside, and this is right where we're gonna make our adjustments at.Now, the mounting flange bolt pattern is gonna be a five bolt, and it's gonna fit wheels 14 1/2, 15, 16, and 16 1/2 inch.Our brake assembly is gonna work with axles that are rated at 5,200, 6,000, and 7,000 pounds.Now, this is gonna include the left and right hand assemblies, so to start out, we're gonna go ahead and remove our drums so we can pull off this cap.
Just take a rubber mallet, and we're gonna tap it until it can come off. Put the cap aside for now. Now, on the top of the nut here, we're gonna clean some of the grease off, because there's gonna be a retaining clip that's holding it in place. Just take a shop towel and wipe off some of the excess grease so we can find that retaining clip.You're gonna want to grab a flathead screwdriver. There's gonna be a tab that's gonna be in between the two channels here, on the nut itself.
We're gonna bend that tab down, so that we can actually turn the nut and take it off. Now, you want to be careful, because our brake assembly is not gonna come with a retaining nut or washer, so you want to keep this hardware so we can re-install it.Next, we're gonna grab a pair of channel locks and we're gonna grab the nut and just loosely turn it so it'll unlock it. Then we can take it off by hand the rest of the way.Then we can pull off that retaining plate. We're gonna pull this off and set it aside, and then if you need to, again, grab a flathead screwdriver and we're gonna pull that washer off that's right behind it. So we're gonna grab the back of the hub, slowly pull it back, and we'll set the hub aside, as well.So what's gonna be holding our assembly in place is gonna be these nuts right here.
There's gonna be a total of five of them going around the axle shaft. We're gonna be using a 9/16 socket to remove them. Now, again, you want to hold onto the hardware that comes off, because our new brake assembly is not gonna come with hardware.And with the hardware removed, we are gonna have one last point that we're gonna have to pull off before we can pull the assembly out, and that's gonna be right here, where the brake line is actually attached.You need to tilt the assembly out so you can get a wrench in there to loosen that fitting.So we can take our new assembly. We're gonna slide it over the studs. Then we can reinstall those lock washers and nuts back in place.Just gonna put these in there hand tight for now, and then we can come back and tighten them all down.
With all the bolts in hand tight, I'm gonna come back and I'm gonna torque them down.So with this brake assembly in place, we're gonna go ahead and repeat that for the other remaining positions.And that will finish up your look at the hydraulic brake kit for the left and right hand side. And that's gonna be part number AKFBBRK-7.
Average Customer Rating: 4.8 out of 5 stars (47 Customer Reviews)
Free-backing, driver's-side and passenger's-side brakes won't engage when you reverse, even if your actuator is activated. Automotive-grade friction pads and e-coated backing plates are long-lasting. Fit 14.5" to 16.5" wheels.Got the 12" backing plates, have yet to install them. My past experience with Etrailer has been excellent! I am rebuilding a large boat trailer and they have had everything I needed to complete the job with great videos on how to install each component. They are the gold standard for an online business! 637918
The product was very good with minor shipping damage. I believe it would be better to ship in one box per axle instead of four backing plates in one box, that is where the damage came from. Your people were very friendly,& easy to work with. The product was exceptional quality. 588009
Quick delivery, good price, perfect match and fit. Thank you! 636979
Ordering was simple, shipping as promised, fit was perfect and products are still in use. Couldn't ask for more. 603166
perfect fit 599524
Very helpful on the phone and everything ordered fit perfectly! Thanks for all the help. 545610
Brake parts were awesome quality.Web site was easy to navigate.Shipping was fast. I highly recommend and will do business again! 543161
Great service 499753
GOOD PRICE , EXACTLY WHAT I NEEDED , TIME SAVER. 459163
My trailer brakes arrived on schedule completely assembled and ready for installation. In 2 hours I had new trailer brakes on my boat trailer working great. Thanks for the great service! 448158
My trailer brakes are still working great. Havent had to give this repair a second thought. Thanks
David V - 11/01/2018Detailed description and fast delivery 384457
perfection from start to finish 367477
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
You guys (Meghan this time) are always incredible. Thank you! 541887
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Bent pins on one assembly and had to be removed to straighten before installation. Seems to have been dropped some time during shipping or handling. 402187
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Product arrived, looks great. will be installing on a Workforce man lift. Thank you for quick delivery. 439711
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Easiest brake job I ever did! Complete assembly bolted to the trailer in the original position. No fussing around. Connected brake line, bled brakes and was rolling again. With free shipping, I couldn't go wrong. 394802
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Everything was there. All assembled. The only thing I did before I mounted the backing plates was to remove the adjuster wheel and take it apart and put some marine grease on the threads and under the cap. Other than that, I just bolted it on the axle, hooked up the brake line, and I was good to go. That easy. 251403
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Great on phone help….. OK was very impressed that the 2 ladies I talked with on 2 different calls really knew their STUFF. Very impressed and ordered on Sat. del. on Wed. with tracking sent to me. Will be back when I break these in with new salt water. 375750
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
I Purchased hydraulic drum Brakes - Uni-servo backing plates form Lisa D at etrailer. I could not be more pleased. The items arrived when they were supposed to and were exactly what they were supposed to be. Lisa was very professional and knowledgeable, and followed up through email. I needed the items fast, and even after priority shipping, the cost was less than i could have found elsewhere. I will use etrailer again should the need arise. 366544
I am very pleased with the brake system. It is installed and functioning very well on a heavy duty equipment trailer which is often called upon to haul in excess of 10,000
Jeff B - 04/16/2018Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Parts arrived on the date scheduled, the shipper for some reason couldn't find an address that they had delivered to before, this was not any fault of etrailer.com. All parts fit exactly as they should have and now hopefully I will not have to fix someone else's neglect again, as shown in some of my pics. But if I do I will use etrailer.com. Big thanks to Shawn for help above and beyond. 436057
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
This is my third time ordering from etrailer. I have been very pleased with their service, quality and pricing. Shipments have been very quick and packaging very professional. A very good company to do business with and they are highly recommended by me! 399495
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
First time order with etrailer.com and can't say enough about the experience. The website is top-notch, from excellent product description video presentations, easy order process and even visuals to provide shipping progress. Excellent assistance on product application and great follow-up customer service. Will not hesitate to order from etrailer in the future. Brakes are excellent quality and build and perfect fit. 661885
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
All parts fit and worked as listed in the catalog. 644890
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Good quality parts and materials and/or coatings that will resist the salt water corrosion. Easy swap in for the old parts. I was replacing a set where one brake pad was cracked (the new ones are bonded instead of riveted) and one where the hydraulic cylinder had blown out and drenched everything in brake fluid. Well worth the cost and well worth the additional cost for corrosion resistance if you launch in salt water. 588833
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
And a exactly fit 585075
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Changing out the brakes on my boat trailer was actually much easier, and cheaper thanks to these guys, than I expected. etrailer.com had every single part I needed and the videos explanations made selection easy. Will bookmark this site for sure. Cheers 572626
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Changing out the brakes on my boat trailer was actually much easier, and cheaper thanks to these guys, than I expected. etrailer.com had every single part I needed and the videos explanations made selection easy. Will bookmark this site for sure. Cheers 572709
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
I was initially concerned about finding the right parts as the trailer was fairly old. etrailer had just what I needed. The website is so elegant. I was able to find the right parts quickly and with comparative options to make a final selection. The how-to videos are great. This made installation a little more comfortable. Especially when you do not perform this type of work every day. The parts were of high quality and are working as expected. I highly recommend etrailer for any of your trailer needs. 544906
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
easy to install, held up well, no complaints, would recommend to friend, would buy again, easy to order correct part 497745
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
easy to install, held up well, no complaints, would recommend to friend, would buy again, easy to order correct part 497836
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Great product . Deliver was good timing . Will order from etrailer again !!!! 441857
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Great product . Rebuilt entire x4 installed with ease. 439268
Keep on Trailering. I Stand by your product from a year ago same Great product with service Teck was very informed.
Michael - 10/08/2018Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Easy way to replace old and worn out brakes. Arrived in a couple of days and comes assembled as pictured. Make sure you measure the width of the brake shoe pad and inside diameter of your drum to match up the correct ones. 430749
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
The crew over etrailers work their butt off I ordered the wrong 12 inch backing plate with shoes it was already loaded on the truck they went out and pulled it from the truck and did not charge me and reordered and sent the right product it a ride fast 430470
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
I received some great advice and help from Leeza in selecting the correct product for my needs. Without serial numbers or identifiable model numbers on my existing trailer parts, she was able to determine the correct parts for my particular trailer needs (on a 25 year old trailer.whose manufacturer is no longer in business). I received the parts in the time span indicated upon ordering, and they fit perfectly. A good experience all around. 410338
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Easy installation. Great price. 400438
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
The delivery was good and so was the pr oduct 390787
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Very good product. Saved a lot of $$$ installing myself. working fine in salt and fresh water. 359759
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Very good product. Saved a lot of $$$ installing myself. working fine in salt and fresh water. 362645
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
perfect fit good quality and great ser vice 358842
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
perfect fit good quality and great ser vice 362065
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Great product Very fast service. 342752
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Great product Very fast service. 344835
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Great Product. Great company. Will do buisness with them again 320998
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Brake assemblies fit perfectly in place of the OEM Dexter brakes. Quality looks fine, aluminum wheel cylinders are a notable improvement. We'll have to wait another 10 years to see if these hold up as well as the US-made Dexters. 311632
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Brake assemblies fit perfectly in place of the OEM Dexter brakes. Quality looks fine, aluminum wheel cylinders are a notable improvement. We'll have to wait another 10 years to see if these hold up as well as the US-made Dexters. 314531
Review from a similar etrailer FreeBack 12 Inch in Trailer Brakes
Everything worked as expected. 256172
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