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  1. Brake Actuator
  2. Demco
  3. Surge Brake Actuator
  4. Drum Brakes
  5. Channel Only
  6. 8000 lbs GTW
Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - Adjustable Channel Down - 8,000 lbs

Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - Adjustable Channel Down - 8,000 lbs

Item # DM8759532
Our Price: $237.89
Brake Actuator
Shipping Weight: 49 lbs
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Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. 8" Adjustable down channel lets you mount coupler attachments (sold separately) in 1 of 3 positions. Welds onto a 50-degree A-frame trailer. 1-800-940-8924 to order Demco brake actuator part number DM8759532 or order online at etrailer.com. Free expert support on all Demco products. Great prices and Fastest Shipping for Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - Adjustable Channel Down - 8,000 lbs. Brake Actuator reviews from real customers.
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Demco Brake Actuator - DM8759532

  • Surge Brake Actuator
  • Drum Brakes
  • Channel Only
  • 8000 lbs GTW
  • Weld-On
  • No Lockout
  • A-Frame Coupler
  • Demco

Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. 8" Adjustable down channel lets you mount coupler attachments (sold separately) in 1 of 3 positions. Welds onto a 50-degree A-frame trailer.


Features:

  • Hydraulic actuator activates trailer's brakes when tow vehicle slows or stops
  • Adjustable channel has 3 different mounting positions for coupler (sold separately)
    • Channel-down design allows for greater drop
  • Composite master cylinder is durable and efficient
    • Glass-reinforced nylon construction resists rust and corrosion
    • Large reservoir provides increased capacity for brake fluid
    • Automotive-style diaphragm cap creates completely enclosed system to help prevent contamination of fluid
  • Acetal copolymer lining provides smooth operation as actuator telescopes in and out
  • Breakaway included
  • Heavy-duty steel construction
  • Primed finish
  • Weld-on installation
  • Made in the USA


Specs:

  • Application: 50-degree A-frame trailers with hydraulic drum brakes
  • Gross towing weight: 8,000 lbs
  • Maximum tongue weight: 800 lbs
  • Channel width: approximately 3"
  • Channel height: 8"
  • Model number: DA91
  • 1-Year warranty


Note: Because this actuator does not include a reverse lockout, it is recommended that you equip your trailer with free-backing brakes so that you can drive in reverse without the actuator triggering your trailer's brakes.


When you apply the brakes in your tow vehicle, deceleration occurs and momentum pushes your trailer toward the rear of your vehicle. With surge brake systems, the hydraulic actuator is triggered as your trailer moves forward, once your tow vehicle starts to slow down. When this happens, the actuator contracts, applying force to its master cylinder. This in turn supplies the necessary hydraulic pressure to engage your trailer's brakes.


Adjustable Channel Design

The adjustable channel on this trailer brake actuator allows for ultimate versatility. Mount almost any type of coupler (sold separately) - from a standard ball coupler to a lunette ring or clevis attachment - to fit your specific application. In addition, the 3 mounting positions on the channel let you adjust the height of the coupler. Just place the coupler so that it matches the height of the ball mount or other hitch attachment on your tow vehicle and you will be able to tow your trailer levelly.


This actuator is great for tall trailers. This is because the adjustable channel is positioned so that the mounted coupler can sit below the actuator tube, allowing for a greater drop than with a standard center-mounted channel. As a result, you can line up your tall trailer with your tow vehicle's hitch for a level setup.



8759532 Demco DA9150 Hydraulic Trailer Brake Actuator for Drum Brakes - A-Frame - Channel Down - 8,000 lbs





Video of Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - Adjustable Channel Down - 8,000 lbs

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




Video Transcript for Review of Demco Brake Actuator - Surge Brake Actuator - DM8759532

Hello, everybody. This is Jeff at etrailer.com. Today we're gonna take a look at this DEMCO A-Frame eight inch adjustable channel down hydraulic drum break actuator. Has an 8,000 pound gross towing weight capacity, and a nice, prime finish. Now, as we've mentioned, this is designed to fit the 50 degree A-frame trailers. And this is a hydraulic actuator which will activate your trailer's brakes when your tow vehicle slows or stops.

Basically, what happens is when you apply the brakes in your tow vehicle, deceleration will occur, and a momentum will push your trailer toward the rear of your vehicle. And with a surge brake system, this actuator's then triggered as your trailer moves forward once your tow vehicle starts to slow down. And when this happens, the actuator will contract. Basically, this inner slide right here will go into the outer case, and it applies force to the master cylinder in the back here, which in turn, supplies the necessary hydraulic pressure to engage your trailer's brakes. Now, right here they do use an acetal co-polymer lining.

Provides a nice, smooth operation as the actuator telescopes in and out. We mentioned the adjustable channel right here, has three different mounting positions for your coupler. Now, the coupler is not included. We do sell that separately. We did mention, if you look at this channel, it is a channel down design, so it allows for greater drop for tall trailers.

The channel height itself, if we measure it bottom to the top, is eight inches. Inside width, it's gonna be measured inside the inside, is standard three inches. And this is a heavy duty steel construction. Mentioned it has a nice, prime finish for better corrosion resistance. And the master cylinder in the back here, it is a composite master cylinder, which is durable and efficient.

It's a glass reinforced nylon construction so to resist rust and corrosion, and it offers a large reservoir to provide increased capacity for brake fluid. The very top here, you have your standard automotive style diaphragm cap, which will create a completely enclosed system that'll prevent contamination of your brake fluid. Now, right here up at the top, it does include this breakaway cable with the hook and the latch on it. And this is included and it is required by law, because this part here will prevent a trailer runaway situation. So what happens is when you connect your trailer to your tow vehicle, you also take this hook with the latch and hook this to your tow vehicle. So what would happen is, by chance, if your trailer became disconnected from the tow vehicle, it will pull on this cable, which would activate the lever, which again applies the pressure in the master cylinder to apply the brakes on your trailer. So, this does prevent a trailer runaway situation, and as we mentioned, it is required by law. Now, this is a weld-on installation. You can see, as we mentioned, it's designed to be welded or mounted to a 50 degree A-frame trailer. It is made in the USA. Application, we mentioned, is the A-frame trailers with hydraulic drum brakes, gross towing weight capacity of 8,000 pounds, and a maximum tongue rate of 800 pounds. One last note I do wanna mention. If you look on the back here on the brake cylinder, the master cylinder, it does not include a reverse lockout, and that is recommended that you equip your trailer with either a reverse lockout solenoid on the back here or to have free backing brakes on your trailer, so that you could drive in reverse without the actuator triggering your trailer's brakes. But that should do it for the review on this DEMCO A-Frame eight inch adjustable channel down hydraulic drum brake actuator with the 8,000 pound gross towing weight capacity and a prime finish.

Customer Satisfaction Score:


Customer Reviews

Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - Adjustable Channel Down - 8,000 lbs - DM8759532

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

Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. 8" Adjustable down channel lets you mount coupler attachments (sold separately) in 1 of 3 positions. Welds onto a 50-degree A-frame trailer.

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Info for this part was:

Employee Leah B
Edited by:
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Employee Lindsey S
Written by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Laura H
Updated by:
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