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Replacement Shock for Demco Hydraulic Trailer Brake Actuators - Models DA10, DA16, DA20, and DA91

Retail: $59.99
Our Price: $36.33
This shock acts as a direct replacement for the one that came with your Demco model DA10, DA16, DA20, or DA91 trailer brake actuator.Features: Replaces shock in your Demco hydraulic trailer brake actuator Fits models: DA91,DA10, DA16, and DA20 Made in the USA Specs: Overall dimensions: 7" long x 1.662" wide Dimensions
  • Brake Actuator
  • Hydraulic Drum Brakes
  • Disc Brakes
  • Shocks
  • Demco

Slide Repair Kit for Demco Hydraulic Brake Actuators - DA20 Series

Retail: $77.44
Our Price: $57.73
In Stock
This Demco slide repair kit fits all Demco DA20 series hydraulic brake actuators with 20,000-lb capacity. Includes upper slider, lower slider, and 2 side spacers.Features: This Demco slide repair kit fits all Demco DA20 series hydraulic brake actuators with 20,000-lb capacity Includes upper slider, lower slider, and 2 side spacers Made in the USA
  • Brake Actuator
  • Hydraulic Drum Brakes
  • Disc Brakes
  • Slides
  • Demco
  • Repair Kit

Demco Hydraulic Brake Actuator - Drum - Primed - 8" Adjustable Channel Center - 20,000 lbs

Retail: $570.22
Our Price: $556.09
In Stock
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Weld-on application. Weld-on installation Made in the USA Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator w/ Lockout - Disc - Primed - A-Frame - 8" Channel Center - 20K

Retail: $712.04
Our Price: $558.48
In Stock
Surge-type actuator has a rustproof aluminum master cylinder and primed finish. Lockout keeps brakes from actuating when in reverse. Mount coupler attachments (sold separately) in 1 of 3 positions on channel. Welds onto a 50-degree A-frame trailer. Weld-on installation Made in the USA Specs: Application: 50-degree A-frame trailers with hydraulic disc brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Disc Brakes
  • Electric Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 12" Adjustable Channel Down - 20,000 lbs

Retail: $570.22
Our Price: $394.29
In Stock
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable down channel lets you mount different coupler attachments (sold separately) in 1 of 5 positions. Bolt-on or weld-on application. hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 12" Mounting: straight, 3" wide trailer tongue Model
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • Bolt-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator w/ Drop and Electric Lockout - Disc - Zinc - 2-5/16" Ball - 20K

Retail: $689.90
Our Price: $536.05
In Stock
Heavy-duty and easy to use, this surge actuator engages your trailer's disc brakes and keeps them from locking up when you launch your boat. EZ-Latch coupler with a 4" drop keeps you from second guessing your connection. Made in the USA. tongue 1/2" x 4-1/2" Grade-5 bolts (not included) required See below for bolt pattern dimensions Ball size: 2-5/16" Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Mounting
  • Surge Brake Actuator
  • Boat Trailer
  • Construction Trailer
  • Travel Trailer
  • Utility Trailer
  • Farm Trailer
  • 2-5/16 Inch Ball Coupler
  • Demco
  • Disc Brakes
  • Electric Lockout
  • Bolt-On
  • 20000 lbs GTW

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

Demco Hydraulic Brake Actuator - Drum - Black - 8" Adjustable Channel Center - 20,000 lbs

Retail: $570.22
Our Price: $386.86
In Stock
Surge-type actuator features a rustproof composite master cylinder and a durable black powder coat finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Weld-on application. hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 8" Mounting: straight, 3" wide trailer tongue Model number
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Bolt-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - Adjustable Channel Down - 20,000 lbs

Retail: $638.40
Our Price: $461.70
In Stock
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. 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: 20,000 lbs Maximum tongue weight
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 8" Adjustable Channel Up - 20,000 lbs

Retail: $570.22
Our Price: $429.23
In Stock
Surge-type actuator features a rustproof aluminum master cylinder and a primed finish. Adjustable up channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Weld-on application.: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 8" Mounting: straight, 3" wide trailer
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 8" Adjustable Channel Down - 20,000 lbs

Retail: $570.22
Our Price: $394.55
In Stock
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable down channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Weld-on application. Made in the USA Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 8"
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 12" Adjustable Channel Center - 20,000 lbs

Retail: $570.22
Our Price: $394.79
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 5 positions. Bolt-on or weld-on application.: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 12" Mounting: straight, 3" wide trailer tongue Model number: DA20 1-Year warranty Note: Because
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • Bolt-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator w/ Drop - Drum - Zinc - 2-5/16" Ball - 20,000 lbs

Retail: $811.34
Our Price: $536.82
In Stock
Bolt it on your boat trailer and get it back into action! The plating on this actuator is 2 times stronger than standard zinc, and EZ-Latch is a step above the usual trigger latch, making hitching up practically automatic. Proudly made in the USA. 1/2" x 4-1/2" Grade-5 bolts (not included) required See below for bolt pattern dimensions Ball size: 2-5/16" Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Mounting: straight
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Travel Trailer
  • Boat Trailer
  • Utility Trailer
  • 2-5/16 Inch Ball Coupler
  • Demco
  • Drum Brakes
  • No Lockout
  • Bolt-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - Adjustable Flat Mount - 20,000 lbs

Retail: $570.22
Our Price: $386.86
In Stock
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable plate lets you use different flat-mount coupler attachments (sold separately). Weld-on application. Heavy-duty steel construction Primed finish Weld-on installation Made in the USA Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs
  • Surge Brake Actuator
  • Construction Trailer
  • Flat Plate
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 12" Adjustable Channel Down - 20,000 lbs

Retail: $570.22
Our Price: $387.55
In Stock
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable down channel lets you mount different coupler attachments (sold separately) in 1 of 5 positions. Weld-on application. Made in the USA Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 12"
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator w/ Electric Lockout - Disc - Primed - 2-5/16" Ball - 20,000 lbs

Retail: $736.00
Our Price: $496.49
In Stock
This beefy surge actuator engages your trailer's disc brakes and keeps them from locking up when you shift into reverse. EZ-Latch coupler is a big improvement over finnicky trigger latches. Primed, ready to be welded and painted. Made in the USA. trailer tongue Ball size: 2-5/16" Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Model number: DA20 1-Year warranty Back Up a Construction Trailer Easily with an Electric Reverse
  • Surge Brake Actuator
  • Farm Trailer
  • Boat Trailer
  • Utility Trailer
  • Construction Trailer
  • Travel Trailer
  • 2-5/16 Inch Ball Coupler
  • Demco
  • Disc Brakes
  • Electric Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Zinc - 12" Adjustable Channel Center - 20,000 lbs

Retail: $606.52
Our Price: $496.93
Surge-type actuator features a corrosion-resistant composite master cylinder and durable zinc plating, making it perfect for marine use. Adjustable channel lets you mount coupler attachments (sold separately) in 1 of 5 positions. Bolt-on application. Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 12" Mounting: straight
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Bolt-On
  • 20000 lbs GTW

Demco Surge Brake Actuator - Disc - Primed - 2-5/16" Ball - 20,000 lbs

Retail: $751.58
Our Price: $611.30
Confidently haul up to 10 tons with this actuator behind you engaging your trailer's disc brakes. EZ-Latch coupler makes coupling a snap. Primed and ready for for a custom paint job after the actuator is welded on. Proudly made in the USA. disc brakes Designed to weld on top of a 3" wide trailer tongue Ball size: 2-5/16" Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Model number: DA20 1-Year warranty If your
  • Surge Brake Actuator
  • Boat Trailer
  • Travel Trailer
  • Construction Trailer
  • Farm Trailer
  • Utility Trailer
  • 2-5/16 Inch Ball Coupler
  • Demco
  • Disc Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - A-Frame - Adjustable Channel Center - 20,000 lbs

Retail: $638.40
Our Price: $588.95
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. 8" Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Welds onto a 50-degree A-frame trailer. Weld-on installation Made in the USA Specs: Application: 50-degree A-frame trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - Adjustable Flat Plate Mount - 20,000 lbs

Retail: $570.22
Our Price: $522.79
Surge-type actuator features a rustproof aluminum master cylinder and a primed finish. Adjustable plate lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Weld-on application with angled mounts. attach actuator to trailer Made in the USA Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Mounting: straight, 3" wide trailer
  • Surge Brake Actuator
  • Construction Trailer
  • Flat Plate
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 8" Adjustable Channel Center - 20,000 lbs

Retail: $570.22
Our Price: $471.87
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. 15" Long mount welds to trailer. Weld-on installation 15" Long mount built in for more secure attachment Made in the USA Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 8" Adjustable Channel Down - 20,000 lbs

Retail: $570.22
Our Price: $471.48
Surge-type actuator features a rustproof aluminum master cylinder and a primed finish. Adjustable down channel lets you mount different coupler attachments (sold separately) in 1 of 3 positions. Weld-on application with angled mounts. Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 8" Mounting: straight
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Primed - 12" Adjustable Channel Center - 20,000 lbs

Retail: $570.22
Our Price: $395.62
In Stock
Surge-type actuator features a corrosion-resistant composite master cylinder and a primed finish. Adjustable channel lets you mount different coupler attachments (sold separately) in 1 of 5 positions. Weld-on application.: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately 3" Channel height: 12" Mounting: straight, 3" wide trailer
  • Surge Brake Actuator
  • Construction Trailer
  • Farm Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Weld-On
  • 20000 lbs GTW

Demco Hydraulic Brake Actuator - Drum - Zinc - 12" Adjustable Channel Down - 20,000 lbs

Retail: $606.52
Our Price: $455.42
Surge actuator features a corrosion-resistant composite master cylinder and durable zinc plating, making it perfect for marine use. Adjustable down channel lets you mount coupler attachments (sold separately) in 1 of 5 positions. Bolt-on application. bolts (not included) for mounting Made in the USA Specs: Application: trailers with hydraulic drum brakes Gross towing weight: 20,000 lbs Maximum tongue weight: 2,000 lbs Channel width: approximately
  • Surge Brake Actuator
  • Farm Trailer
  • Construction Trailer
  • Channel
  • Demco
  • Drum Brakes
  • No Lockout
  • Bolt-On
  • 20000 lbs GTW

Reverse Lockout Solenoid for Demco Hydraulic Brake Actuators - Non-Bypass - DM11993

Our Price: $79.56
Replaces or adds an inline reverse lockout solenoid to Demco DA10, DA20, DA70, and DA91 hydraulic trailer brake actuators. Non-bypass design allows you to thread the solenoid valve into your master ...
models DA10, DA20, DA70, and DA91 hydraulic trailer brake actuators Non-bypass configuration Allows you to install the solenoid without drilling into your master cylinder Easier to install than bypass
  • Brake Actuator
  • Disc Brakes
  • Hydraulic Drum Brakes
  • Solenoid
  • Demco