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  1. Brake Actuator
  2. Dexter
  3. Surge Brake Actuator
  4. Disc Brakes
  5. 2-5/16 Inch Ball Coupler
  6. 8000 lbs GTW
Dexter Zinc-Plated Brake Actuator w/ Electric Lockout - Disc - 2-5/16" Ball - 8,000 lbs
Dexter

Dexter Zinc-Plated Brake Actuator w/ Electric Lockout - Disc - 2-5/16" Ball - 8,000 lbs

Part Number: T4747220
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$548.00
Retail:$589.52
You Save: $41.52
Brake Actuator
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Bolt-on, surge-type actuator is zinc plated for increased corrosion resistance and comes with integrated, heavy-duty coupler. Electric reverse lockout lets you back up without activating the trailer brakes. 1-800-940-8924 to order Dexter brake actuator part number T4747220 or order online at etrailer.com. Free expert support on all Dexter products. Great prices and Fastest Shipping for Dexter Zinc-Plated Brake Actuator w/ Electric Lockout - Disc - 2-5/16" Ball - 8,000 lbs. Brake Actuator reviews from real customers.
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  • Reviews (58)
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Dexter Brake Actuator - T4747220

Highlights

  • Smooth, Synchronized Braking: Hydraulic design matches trailer braking to your tow vehicle for steady stops.
  • Back Up Easily: Electric reverse lockout keeps brakes from engaging when shifting into reverse.
  • Built for Harsh Conditions: Zinc-plated steel resists corrosion for long life around water or road salt.
  • Strong Towing Capacity: Rated for 8,000 lbs GTW and 800 lbs tongue weight with a 2-5/16" ball.
  • Quick Bolt-On Setup: Fits 3" channel tongues for easy installation using standard mounting holes.
  • Added Safety: Includes breakaway kit to apply brakes automatically if the trailer disconnects.

Features to know about

Smooth Braking on Heavy Loads: 8,000-lb Surge Design for Disc Brakes

The Dexter Zinc-Plated Brake Actuator w/ Electric Lockout keeps braking smooth and consistent even when you’re hauling up to 8,000 lbs. Its hydraulic surge design automatically matches the braking pressure from your tow vehicle, so you get steady stops with none of the jerking that can happen with mismatched setups. It’s made for disc brakes and uses a 2-5/16" ball coupler with an 800-lb maximum tongue weight rating, giving you strong, predictable performance every time you slow down.

Backing Up Made Easy: Built-In Electric Reverse Lockout

With the integrated electric lockout solenoid, you can back up inclines or into tight spots without the trailer brakes locking up. The solenoid automatically engages when your tow vehicle is shifted into reverse through a 5-pole flat, 6-way round, or 7-pole wiring harness. A built-in shield protects the solenoid from the elements so it keeps working reliably when you need it.

Durable and Corrosion-Resistant: Zinc-Plated Steel Housing

The zinc-plated finish protects against corrosion from water and road grime, making this actuator a solid choice for trailers that see wet or salty conditions. Underneath that coating is a sturdy steel body designed to resist bending or warping in tight turns. The zinc plating helps extend the life of the actuator while keeping it looking clean and ready to work.

Straight-Line Operation: Roller Design for Low Resistance

Inside the actuator, a unique twin-roller setup reduces resistance during telescoping so it moves in a straight line every time your trailer pushes forward under braking. That smooth stroke translates into even hydraulic pressure at the brakes and less wear on internal parts.

Simple Installation: Bolt-On Fit for 3" Channel Tongues

Mounting is straightforward thanks to its bolt-on design for standard 3" wide channel tongues. Use Grade 5 hardware and lock nuts in either the two large holes (5" on center) or all three smaller holes for added strength. The distance from the forward mounting hole to the end of the solenoid shield is 18", giving you clear reference for positioning on your tongue. A built-in breakaway kit is included for extra safety in the event of an accidental disconnect.

Specs

Application

  • Application: disc brakes

Ball Size

  • Ball size: 2-5/16"

Mounting

  • Mounting: 3" wide channel tongue

Weight and Capacity

  • Capacity: 8,000 lbs
  • Maximum tongue weight: 800 lbs

Warranty

  • Warranty: 1-Year warranty

068-204-02 Dexter Axle Model 6 Actuator with 2-5/16" Ball Coupler - Disc Brakes - Solenoid Lockout and Cover - Zinc

Replaces Titan 4747220





Customer Satisfaction Score:

Ratings & Reviews

4.3

58 reviews
Review sort icon
Bolt-on, surge-type actuator is zinc plated for increased corrosion resistance and comes with integrated, heavy-duty coupler. Electric reverse lockout lets you back up without activating the trailer brakes.

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Order arrived on time and as described!



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Quick delivery and great product.



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Arrived in perfect order very well done.



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Arrived in perfect order very well done.



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perfect fit . Works great



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excellent acuator with shield, fits magic tilt 2460



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It's on the trailer. all hooked up. Looks great. Very well made.



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Awful no brake Lockout came with this i tem

Brooke M. profile picture
Etrailer Expert

Brooke M.

7/17/2025

Hey Brandon! Let me look at this and make sure you're taken care of. I am sorry it arrived that way!



by:

Quicker than expected delivery. The phonw help was very knowledgable and did a great job of getting the right brake acuator for my needs. The local shop would have sold me the wrong one for more money. I'm very satisfied.



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Great value but very difficult to bleed the brake lines



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After looking for anew part for our boat trailer with no luck. They did all they could do to get it to us before Vacation. Came in just in time and good condition. Product worked well and Will call on you for our many needs. Thank you for making our vacation a safe and happy one.



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Buying experience was great from ordering to receipt. Free shipping always makes, the ordering a better experience. Item was packaged very well and hitch was exactly as described. I will do business with etrailer again.



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This total break overhaul was actually fun to do because i got everything from etrailer and I knew it was a perfect fit! One year and thousands of miles later I still love it. If your on the fence, take the plunge, you WILL be happy..

Trailer a 25ft 6500 lb boat up an down the East coast in salt water.



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The coupler itself met expectations and is functioning perfectly. However, there are three things I would like to report that would make the installation easier. First, some written instructions would be helpful.
I started to replace the nut that goes to the backup actuator. I recall a review and looked at the video. No nut replacement, just screw in the actuator. The nut is just used for shipping. The product is excellent and my identical Titan lasted over 10 years of salt water use. Glad to see that the quality has not decreased. Will buy again from etrailer.



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This product is a champ when it comes to trailer brakes the reverse actuator automatically disengages the brakes so you won't have to manually . Easy to install looks good



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The coupler itself met expectations and is functioning perfectly. However, there are three things I would like to report that would make the installation easier. First, some written instructions would be helpful. There was NO documentation that came with this major item. Next, I was unable to attach the solenoid cutoff for the coupler and determined the solenoid was a different thread size than the coupler's reservoir fitting. I spent extra time and two trips to the hardware store to correct this only to discover that the fitting on the reservoir needed to be removed AND REPLACED with the solenoid connection. The last item relates to the protective cover for the solenoid. A separate part is included that protects the solenoid and its fitting but nothing tells you that this needs to be installed in place of the shorter cover supplied on the coupler. One additional point is the lack of instructions to properly bleed the braking system. It is a little tricky on this item and knowing the correct process would have been helpful instead of relying on internet searches to find help.



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Trailer coupler was delivered on time. It bolted up to the trailer ok. However, a disc brake lock out solenoid is in a separate box contained in the shipping box. It threads into the surge brake fluid outlet ok, but the solenoid outlet thread and end shape is a mystery that sent me running around town to locate a fitting with the right thread and shape. Very frustrating that the kit did not have a fitting that would convert to something standard. Still searching after two days of searching. Makes this kit relatively worthless til you solve this problem.

Jenny N. profile picture

Jenny N.

8/9/2022

The solenoid valve for the Titan brake actuators has one eighth inch pipe NPT threads on the make end and three eighth - 24 inverted seat threads on the female side that a three sixteenth size brake line would install to. We do have a video that is useful about the solenoid and installation.



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Not sure of actual product performance yet. But you guys really need to add a small instructional sheet. Wasted half an hour trying to figure out fittings before I finally figured out that since reverse solenoid was not attached it replaced the fitting already on the cylinder. Then after I had it together I saw that the longer shield that was included loose for the reverse lockout solenoid could NOT be put on without removing short shield which could not be removed without taking off the brake lines that I had just installed. Half sheet of paper with 2 or 3 sentences is all you would need to include.

Dennis G. profile picture

Dennis G.

9/13/2018

Works fine, But there are many times that a bypass or lockout is needed.



by:

Device is sturdy and put together well. My problem was when I unloaded it I could not for the life of me get the coupler to unlatch from my trailer hitch. Despite numerous attempts to get creative, I finally had to remove the hitch from my truck and drive off, and my trailer hitch is still attached to the coupler just hanging there. Disappointed.

Brooke M. profile picture
Etrailer Expert

Brooke M.

11/27/2024

Hey Matt! I asked Dexter about this, and here is what they said. Make sure the actuator is fully extended back out. This will take the pressure off. If you are having an issue getting it extended. You can block the wheels and slightly pull forward. Once off make sure there are no burrs on the ball or in the ball coupler. Also make sure the ground is level. Is this a new actuator or ball ? Let me know if this helps or not!


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