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  1. Trailer Brakes
  2. etrailer
  3. Electric Drum Brakes
  4. 3500 lbs Axle
  5. 10 x 2-1/4 Inch Drum
  6. Camper
  7. Car Hauler
  8. Utility Trailer
etrailer Electric Trailer Brakes - Self-Adjusting - 10" - Left/Right Hand Assemblies - 3.5K

etrailer Electric Trailer Brakes - Self-Adjusting - 10" - Left/Right Hand Assemblies - 3.5K

Item # AKEBRK-35-SA
Our Price: $138.27
Trailer Brakes
Shipping Weight: 20 lbs
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The automotive-grade pads on these automatically adjusting brakes offer lasting effectiveness. 10" x 2-1/4" Assemblies have rust-resistant, e-coated backing plates to protect from road debris. Fits 13" to 15" wheels. Great Prices for the best trailer brakes from etrailer. etrailer Electric Trailer Brakes - Self-Adjusting - 10" - Left/Right Hand Assemblies - 3.5K part number AKEBRK-35-SA can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (1979)
  • Q & A (0)
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etrailer by AxleTek Trailer Brakes - AKEBRK-35-SA

  • Electric Drum Brakes
  • 3500 lbs Axle
  • 10 x 2-1/4 Inch Drum
  • Camper
  • Car Hauler
  • Utility Trailer
  • Self Adjust
  • etrailer

The automotive-grade pads on these automatically adjusting brakes offer lasting effectiveness. 10" x 2-1/4" Assemblies have rust-resistant, e-coated backing plates to protect from road debris. Fits 13" to 15" wheels.


Features:

  • Self-adjusting brakes let you maintain optimal braking power at all times
    • Ensures reliable contact between the brake shoes and drums
    • Prevents uneven wear on brake shoes
  • Easier to install and gives you more control than hydraulic brakes
    • Requires only an electric brake controller (sold separately) - no actuator or hydraulic lines needed
  • Automotive-grade brake pads offer superior quality, smooth operation, and excellent braking torque
    • Fully bonded to shoes for more consistent braking compared to riveted pads
    • Tapered edges on pads minimize stuttering and brake lockup
  • Adjuster plugs (included) protect internal components from dirt, grime, and road debris
  • E-coat on backing plates fends off rust
  • Left-hand (driver's-side) and right-hand (passenger's-side) brake assemblies included
    • Mounting bolts and hardware (BRKH10B) sold separately
  • QAI , CSA , and SAE-N certifications ensure quality


Specs:

  • Application: most standard hub-and-drum assemblies, including etrailer, Dexter, Lippert (LCI), and AL-KO/Hayes
  • Dimensions: 10" diameter x 2-1/4" wide
  • Mounting flange bolt pattern: 4 bolt
  • Wheel size: 13", 14", and 15"
  • Axle rating: 3,500 lbs
  • Limited 1-year warranty


Quick Tip: There's really not a whole lot to getting new drum brakes. If you've confirmed that all of the specs listed above line up with what you need for your trailer, you can be pretty sure these will work for you.


Automotive-Grade Brake Pads

The pads on these trailer brakes are made of the same friction material that you might find on a car's drum brakes. In fact, the material is SAE-N certified. So, not only does it provide high-performance braking, but it's environmentally friendly, too! With these brakes, your trailer will be good to go on any road throughout the United States and Canada.


The superior quality of these pads is also due to the fact that they're bonded to the shoes, not just nailed down. Riveted brake pads will always give you a screeching reminder to replace your brake shoes. That's because the rivets will scrape against your drum as the friction material wears down. You won't have that noisy problem with bonded brake pads. You'll also get a little more friction pad contact because there aren't any cutouts for rivets. And more friction means more stopping power.


A closeup shot of an etrailer drum brake shows a tapered brake pad.

These pads are also tapered, which should help to prevent any broken, crumbly bits of material from rotating inside the drum as the pads wear over time. Brakes without these tapers are more likely to create a jarring braking experience that could cause the brakes to stutter and lock up.


Self-Adjusting Brakes Don't Require Routine Maintenance

With typical electric brake assemblies, you need to manually adjust them every now and then to make sure you're getting the shortest stopping distances every time you tow.


A trailer drum brake with a red callout shows the location of a tension cable and pulley on a self-adjusting trailer brake.

With self-adjusting brakes, though, you'll always have peak stopping power - simple as that! As the brake pads wear over time, a tensioning cable will automatically keep the pads in alignment so they'll consistently make contact with your drum when you brake. You won't have to do tedious manual adjustments anymore.


Thoroughly Tested for Safety

A lot of resources have been invested to ensure that these brakes meet the requirements for certification set by the QAI and CSA . Basically, these certifications tell you that these trailer brakes are well built and safe for use on the road. They've been tested for braking performance under real-world conditions to provide the most realistic scenario for the everyday tower.


How to Break In New Brakes

Once you get these brakes installed, you'll need to break them in. First, find a long stretch of road or a big, empty parking lot. Once you're there, set your brake controller to its maximum setting and get moving. Speed up to about 40 mph and brake to slow to about 20 mph. Repeat this 15-30 times. The goal is to get the brake shoes and magnet properly seated into your drum. You'll know you've done that when it feels less jerky (and more consistent) each time you apply the brakes.


Note: The brakes will be very hot after doing this, so after every 10 stops you'll want to wait about 10 minutes to let the brakes cool off before continuing. If you don't, you might cook and crack the pad material.



B10EA-21 etrailer by AxleTek Electric Brake Assembly - LH - Driver Side - 10" x 2 1/4" - Self-Adjusting - 3,500 lbs

B10EA-22 etrailer by AxleTek Electric Brake Assembly - RH - Passenger Side - 10" x 2 1/4" - Self-Adjusting - 3,500 lbs





Customer Satisfaction Score:


Customer Reviews

etrailer Electric Trailer Brakes - Self-Adjusting - 10" - Left/Right Hand Assemblies - 3.5K - AKEBRK-35-SA

Average Customer Rating:  4.7 out of 5 stars   (1979 Customer Reviews)

The automotive-grade pads on these automatically adjusting brakes offer lasting effectiveness. 10" x 2-1/4" Assemblies have rust-resistant, e-coated backing plates to protect from road debris. Fits 13" to 15" wheels.

by:

Old brakes and new brakes. I know, I disturbed years of spider handy work, nasty. Totally happy with my first purchase and the fact that I got the right ones. I actually had no idea they came assembled like they do. I wouldn't of sand blasted and painted the base plates. So happy with the results. Thank you etrailer!

Jason

10/18/2023

Its been a year and a day since I last posted how happy I was with these brakes I purchased. I wish I could say that Ive taken this 1968 completely rebuilt from the ground up camper on a trip, but I cant. Im not done yet. I can tell you that I did hook up to the truck with the camper jacked up and was able to test the brakes and they worked perfectly. I also adjusted them because I had initially set them loosely to fit right on. Adjusting them can be sort of tricky, but etrailers videos are very helpful and I was able to set them just right. I would have been totally done this summer, but getting a new VIN number is currently in the works as well as curtains and cushions. Rebuilding old campers is not for everyone, but finding etrailer early on for me was another tool in the arsenal. Good luck everyone with your projects. Theres nothing like getting it done yourself.

Etrailer Expert

Mike L.

11/9/2023

@Jason That's awesome, we're happy we could help! Please keep in touch and let us know how it's going...


by:

After fully installing, taking for a drive, they did not auto adjust. My truck brakes were hot and smelled so I know my truck did mist of the work. I felt the trailer brake drums, not even warm. Okay, they need to be adjusted. Not a problem. But after looking up a quick video to remind me how to set the brakes, I went for it. If you rrad etrailer's ultimate guide to to adjust the brakes, it calls for trailer to be jacked, remove plastic covers to access adjustment screw, turn until tire or drum difficult to remove. Then back off about 10 turns until slight drag of brake pads on drum. However, these chinese POS drums DONT HAVE A DAMN NOTCH for you to reverse the tightness. 25min later using with two screwdrivers, one to hold a spring retention plate and the second to try and reverse the screw on its thread, with no joy. Extremely frustrating to have to pull the tire of, then pry the damn drum off because the brakes are holding it on super tight. Once drum removed, the damn brake adjustment screw had tiny small catches shaped in the direction of tightening only, hence why my flathead kept slipping off and wouldnt release tension on the pads. Tried to jack other sides tire and tighten slowly...but oops one fricking click to far and have to repeat whole damn process. I took the time to write up this review as Im pissed and need to cool off before I have to remove second tire. What should have been a 2-2.5hr job has nearly doubled.

Etrailer Expert

Katrina B.

4/18/2023

Of course they were difficult to manually adjust, since these are designed to self adjust. I am sorry that you had to do that Jonathan! I have gotten in contact with one of our installers and they have confirmed that even though these are self-adjusting brakes, there is a period after you first install them that you will need to break in the brakes. This could be why the brakes were not adjusting when you initially tried to use them. In order to Break them in, you will need to apply the brakes several times while moving slowly to allow them to self adjust to the correct tension. They will feel pretty weak at first until they reach the correct adjustment. So the easy solution for you would be to take out the trailer and while travelling slowly reach down and grab the manual override lever of the controller several times and youll feel the brakes start to grab harder and harder.

Jonathan

4/24/2023

My main point was the sprocket does not have a notch to reverse the tension. A service rep did point me in good direction to check voltage. Turns out I had to re-wire brake power line as I had greater than 1-1.5 voktage from truck to brake assy. My was 4-8 volts. Meant corrosiin in the wire. Re-wired, new crimp connections and viola, voktage within range. Also, etrailers guidance on how to adjust these brakes by driving and applying controllers manual over-ride is seriously understated. Perhaps because you sell so many brake assemblies that all you provide is blanket instructions. Fair enough. However, it took over 50 applications: driving up to 40mph, not touching vehicle brake, but only using brake controller manual override to slow the vehicle to 20-25mph. Agressive break-in is relative. Better upfront written description of this will help set the expectation of future buyers. Too bad actual mechanics arent the ones writing this stuff up and talking with customers.



by:

2014 stealth enclosed trailer. Fit good no issues as everyone has mentioned before packing could be better but mine shipped fine.

Logan H.

10/19/2023

Work just as they’re supposed to. Easy install, not sure why I put it off for so long. Will get the same ones again when it’s time to replace them.



by:

I'm only giving 4 stars for the incredibly poor packaging of my order. The drums I ordered were thrown in on top of the trailer brake kit, and knocked the brake shoes out of alignment. After installing the backing plates, I had to take them both apart to put the shoes back in place. Other than that, works well.



by:

I ordered 2 set of the brake kits for a tandem axle trailer. I have not installed them yet, so can't say how they work, so giving an "average" rating. What I can say is the packaging was about 1/2 star below poor. For heavy parts, brown paper was used to wrap the brake kits. Absolutely no padding and then they were sent in an oversize box. One of the brake shoes came off of the post during shipping. I was able to get it back where it was supposed to be, with about 15 minutes of grunting clamped to my work table. I called the order in and discussed the poor shipping/packaging in previous reviews and was assured those sort of shipping problems were in the past. I guess they have not been resolved. No damage seems to have occurred to any of the brake kits, but, I will be madder than a wet hen if I find out otherwise after installing the parts on my trailer.



by:

Great,fast shipping. Some people have said it needs better packing. I ordered two (Right and Left). One did arrive "ajar". However, it's easy to fix. Just get a ten-inch piece of 2x4 wood, and a hammer and knock it back into place. Use the wood between the hammer and the brake as a cushion. I will write an update after I install them. I am happy with my purchase. I don't think any more packing would help the "jarring out of alignment". The brakes are sort of spring-loaded. It can happen because of the springs and bummpy transportation. I will post an update after I install them and use them. I don't anticipate any problems. This is a honest review and five stars happy.



by:

They arrived in short order & were a perfect fit. They bolted up with absolutely NO issues. After a year of using this trailer & about 7000 miles of moving livestock & large rd balesim MORE than pleased. I live in the valley with a mile long hill on either side. These brakes have been GREAT !

Robert

11/17/2023

Well, Im stillborn than satisfied with the brakes. Thus trailer now has at least 5000 miles on it since the brake job &amp there hasnt been a single issue.

Etrailer Expert

Mike L.

11/19/2023

@Robert We're glad your replacement brake assemblies are working well for you!


by:

The right brake assembly arrived with the adjuster sprocket and lever misaligned and not even touching one of the shoes, so I had to disassemble that half and put it back together correctly. The assemblies also didn’t come with nuts to bolt them to the axles, so I had to get those separately. Otherwise, they seem to be a good value, especially with the free and quick shipping.

Etrailer Expert

Katrina B.

6/21/2022

You are correct, these brake assemblies come with the following: Left-hand [drivers-side] brake assembly, right-hand [passengers-side] brake assembly, and mounting bolts. However, the nuts and lock washers are sold separately. We recommend part # BRKH10B.



by:

Brakes are exactly like OEM. etrailer’s service was extremely fast. My go to place for RV parts.

Lance

12/8/2023

One year later, brakes are working fine. It is December and we are about ready to ship off to Florida. They will get a real workout on the interstates while traveling. I still think etrailer’s customer service is the best in the business.

Etrailer Expert

Mike L.

12/8/2023

@Lance Thanks, we're glad to hear that. Good luck on your trip!


by:

the packaging was poor at best. nuts and washers were loose in the box hardly any packaging in the box and because of how it was packaged the insulation on some of the wires was worn away and wires were exposed. I wont be buying from them again unless I absolutely have to.

Etrailer Expert

Jenny N.

8/13/2022

I understand your frustration with receiving the order in this manner. I will share this feedback with our shipping department and I will have our customer service team reach out to you.



by:

Received these electric brakes today and have them on trailer along with new drums I received on my last shipment from etrailer. Every thing fit great and look good, will test them tomorrow.



by:

Parts themselves were fine, but the customer service and lack of communication gets the one star. Split shipped my order which was time sensitive. NO mention of this at the time of check out or in my shipping confirmation email. Ordered on a Sunday evening, due to arrive on that Wednesday. Trailer was set to leave for a trip (from NY to Florida) on Saturday. Received my order missing the 2 left brake assemblies. Called etrailer and was told about the split shipment and wouldn't recieve the rest of parts till Monday. Sorry ain't happening. Had to source needed parts elsewhere to finish job so trailer could be used for trip. Now I gotta deal with getting credited and returning these parts. Had I known this at time of order I could have worked with this issue.



by:

My old brakes had been on the trailer for many years and were completely worn out. Rather than buy the components locally and have the drums turned, I decided to buy the kits from Etrailer. That turned to be a good decision.

The assemblies were very easy to install and have worked flawlessly. It took a while for them to burn in (as the information predicted) but the end result is a very smooth braking system. I couldn't be more pleased with the outcome.



by:

Tows like a dream. With the trailer attached is just like driving with no trailer at all. Brakes are responsive and smooth. I also replaced the drums with Dexter Trailer Hub and Drum Assemblies. All bought from etrailer, all fit perfectly. No problems! Very happy with the product and the results.

Robert

7/6/2023

Still tows like a dream. With the trailer attached is just like driving with no trailer at all. Brakes are responsive and smooth. I also replaced the drums with Dexter Trailer Hub and Drum Assemblies. All bought from etrailer, all fit perfectly. No problems! Very happy with the product and the results. There are no issues with the brakes, they still look brand new.



by:

It's been about a year since i converted my boat trailer to electric brakes. I'm very happy with the results. Brakes are stronger and adjustable through the controller. It was cheaper than replacing all of the hydraulic parts (which was needed) and I love the fact that they don't engage when I'm trying to back up.



by:

Left hand brake assembly was correct and in working order,, right hand brake assembly was assembled incorrect,, I had to fix it before I put it on the trailer

Etrailer Expert

Katrina B.

6/21/2022

I am sorry that this happened to you. It looks to me like the right side self-adjuster was knocked loose during shipping and handling. I am glad to see that you were able to correct the situation! Please let us know if you are needing any further assistance.



by:

The assemblies seem to be of good quality but they over adjust during use. I set my brake controller for the load and a few stops down the road I have issues with the brakes locking up, lock up issue has caused flat spots on my tires as well. Also they have excessive drag on the drum, to the point it has burned the paint off the drum and is now rusting, didn't have that issue with the prior set of brakes. It's far less hassle to slide under the trailer once a year to adjust brakes then deal with these "self adjusting" brakes.

Etrailer Expert

Jenny N.

7/3/2023

There can be a few reasons that the brakes are braking too hard. I would make sure that the hub has a slight drag to it when you manually turn it. If it cannot be turned or is very difficult to turn, then it is adjusted too tight. You also want to make sure that the castle nut is finger tightened and not torqued on. It can cause the hub to heat up. Also make sure that the brake controllers gain is not set too high.



by:

I purchased brakes, bearings, and hubs to retro fit on a utility trailer. The customer service staff walked me through the ordering process, and made it simple. Tracking was simple, and the parts arrived as expected. The "kit" was complete except for the backing plate nuts and washers, which are separate part number. Overall convenient process.



by:

As other's have said, these do not seem to adjust properly. I installed them and part way through a cross country trip I started having issue with one of the wheels locking up anytime I applied the brakes, causing flat spots on the tires. For my return trip, I purchased new tires and had the brakes completely serviced by a well rated trailer repair shop, and again after about 1000 miles they started locking up again. I'm replacing then with the original Dexter products.



by:

I'm happy with my new set of electric brakes for my vintage 1928 Wilderness two-axel travel trailer. Fast shipping and helpful customer service... Thanks



by:

Exact Fit for my Dexter 3500 lb axles. Easy install and performing well.

Lawrence

9/5/2023

The brake assemblies are working great. Have a little over 12,000 miles on them now. Will buy again !!

Etrailer Expert

Mike L.

10/24/2023

@Lawrence That's great to hear! We're glad your # AKEBRK-35-SA brake assemblies are working well for you. Be sure to check your brake adjustment every 6 months or so as mentioned in the article I've linked for you...


by:

George J just reminded me these brakes have been on my trailer for a year! Amazing quality products since we pull a heavy trailer every day! Easy to install and not one issue with stopping, squeaking or fading! I would recommend these high quality products to anyone! I will only buy etrailer.com brakes for the rest of my life!



by:

First—Don’t forget to purchase the nuts and lock washers (not included w brake kit). Second—Check your drums…the electric brakes may not be compatible if the lugnut studs protrude… like they do on my trailer. Guess I’ll have to get new drums also…was hoping to avoid that.



by:

Used these on a custom built offroad camping trailer. Easy install, just don't forget to order the mounting hardware. These bolted right up to the Timbren suspension (ASR3500S06) in about 5 minutes. Also used the 10 inch 5x5 drums to mate to Jeep Wrangler wheels. I would recommend this product and etrailer.com as a whole. Great customer service and fast shipping.



by:

Replaced the old electric brakes on my 1984 Gore Trailer and these fit perfect. The bearings and oil seal included in Part BK2-100 we’re also a perfect match!


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  • Replacement Braking Assemblies for an R-Vision Trail-Lite Trailer
    I am not sure which replacement braking assemblies you need for your trailer but this is pretty easy to find out for yourself. The only thing you need to do is crawl under the trailer and try to find the white axle sticker which should display it's weight capacity but if not just send me a photo of this. If you are able to find the weight capacity then you can match that to one of the below options which are most common. Electric Trailer Brake Kit - part # AKEBRK-2 (2,000 Lb Axles) Electric...
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  • Brake Assembly Bolt Hole Measurements for Attaching to Brake Flange
    The Electric Trailer Brake Kits # AKEBRK-35-SA, four bolt holes are 2-7/8" apart(center to center). I have included a diagram with the measurements.
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  • How to Pick Out Replacement Brake Assemblies for 1973 Prowler Trailer
    We don't have that specific brake magnet part number so your best option is to replace the assemblies with new ones. I can help you find the right assemblies, but I do not know exactly which ones you have on your trailer. To pick out the correct brake assemblies for your trailer you need to know a few things. You will want to measure the inner diameter of your hub/drums and the depth of the drums to determine what brake assembly dimensions you need. For example the part # AKEBRK-35-SA...
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  • Troubleshooting Weak Trailer Brakes After Install of Self-Adjusting Brake Assemblies
    Self adjusting brake assemblies like the etrailer assemblies part # AKEBRK-35-SA can sometimes take several applications before they really start to grab the trailer brakes. So what I would do is find a parking lot or somewhere secluded you can drive slowly and do about 10 MPH and grab and release the manual override lever of your brake controller until you feel the brakes get strong. They will continue to adjust with every application till they easily will lock the wheels up.
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  • What Does etrailer.com Trailer Brake Assemblies # AKEBRK-35-SA Weigh
    The 3,500 lb trailer axle brake assembly set part number # AKEBRK-35-SA weighs a total of 20 lbs. This is the weight of both assemblies together.
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  • Replacement Brake Shoes Needed for a Wells Cargo Trailer
    There might be a part number that is located on the back of the brake assembly itself or maybe a sticker that is still readable. From the picture you sent in it looks like you have 10" self-adjusting brakes for a 3,500 lb axle like our kit # AKEBRK-35-SA. I am attaching a link to our selection of replacement shoes but you will need to know your manufacturer/part number before choosing a replacement. Typically we have found that it is much more cost effective to just get replacement brake...
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