Demco Hydraulic Brake Actuator - Drum - Black - 8" Adjustable Channel Center - 8,000 lbs

Demco Hydraulic Brake Actuator - Drum - Black - 8" Adjustable Channel Center - 8,000 lbs

Item # DM8759122-30

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Brake Actuator

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Shipping Weight: 32 lbs

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Demco Brake Actuator - DM8759122-30
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Surge-type actuator features a corrosion-resistant composite master cylinder and durable black powder coat finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Bolt-on or weld-on application. Call 800-298-8924 to order Demco brake actuator part number DM8759122-30 or order online at etrailer.com. Free expert support on all Demco products. Guaranteed Lowest Price and Fastest Shipping for Demco Hydraulic Brake Actuator - Drum - Black - 8" Adjustable Channel Center - 8,000 lbs. Brake Actuator reviews from real customers.
  • All Info
  • Reviews (2)
  • Q & A (1)
  • Photos
  • Why etrailer?

Demco Brake Actuator - DM8759122-30

  • Surge Brake Actuator
  • Drum Brakes
  • Channel Only
  • 8000 lbs GTW
  • Demco
  • Bolt-On
  • Weld-On
  • No Lockout
  • Straight Tongue Coupler

Surge-type actuator features a corrosion-resistant composite master cylinder and durable black powder coat finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Bolt-on or weld-on application.


Features:

  • Hydraulic actuator activates trailer's brakes when tow vehicle slows or stops
  • Adjustable channel has 3 different mounting positions for coupler (sold separately)
  • 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
  • Black powder coat finish resists corrosion
  • Bolt-on or weld-on installation
    • Requires 1/2" x 4-1/2" Grade 5 bolts (not included) for bolt-on mounting
  • Made in the USA


Specs:

  • Application: trailers with hydraulic drum brakes
  • Gross towing weight: 8,000 lbs
  • Maximum tongue weight: 800 lbs
  • Channel width: approximately 3"
  • Channel height: 8"
  • Mounting: straight, 3" wide trailer tongue
  • Model number: DA91
  • 1-Year warranty


Note: This actuator is compatible with the Demco manual reverse lockout kit (DM5939). If you choose not to add the 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.


Sturdy, Corrosion-Resistant Construction

Made of sturdy steel, this hydraulic trailer brake actuator features a durable black powder coat finish that resists corrosion. In addition, the composite master cylinder is made of corrosion-resistant glass-reinforced nylon.



8759122-30 Demco DA91 Hydraulic Trailer Brake Actuator for Drum Brakes - Channel Center - 8,000 lbs








Customer Reviews

Demco Hydraulic Brake Actuator - Drum - Black - 8" Adjustable Channel Center - 8,000 lbs - DM8759122-30

Average Customer Rating:  5.0 out of 5 stars   (2 Customer Reviews)

Surge-type actuator features a corrosion-resistant composite master cylinder and durable black powder coat finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Bolt-on or weld-on application.

- DM8759122-30
by:

The product was delivered as promised and is of exceptional quality. 599209



- DM8759122-30
by:

Thanks for your great service and easy transaction buying at etrailer. Attached is a picture of the product already installed and for the hitch that I bought in past from etrailer store. 499963


2
2

Ask the Experts about this Demco Brake Actuator

Do you have a question about this Brake Actuator?


  • Compatibility Of Demco Hydraulic Brake Actuator with Lunette Ring and Reverse Lockout
  • The Demco Hydraulic Brake Actuator, Drum, Black, 8 Inch Adjustable Channel # DM8759122-30 that you referenced is designed for trailers weighing up to 8,000 pounds with 800 pound tongue weights. This brake actuator will work well for your 4,600 pound trailer. The # DM8759122-30 has a 3 inch wide channel on the front, and the Demco Lunette Ring # DM09557-97 is designed to mount in a 3 inch wide channel, so it will work well for you on the Demco # DM8759122-30 actuator. This # DM09557-97...
    view full answer...



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Info for this part was:

Written by:
Lindsey S
Updated by:
Laura H

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