Demco 10in 3.5K LH Hyd Free Backing Brake 40716

SKU: 40716
Price: $136.80

Demco 10" x 2-1/4" Drum LH Free Backing Hydraulic Galvanized Brake Assembly - 3,500lb Capacity Per Pair. 

Demco hydraulic brake assemblies include standard features such as hot dipped galvanized backing plates, Stainless steel hardware, grease packed wheel cylinders and riveted shoes for long life, especially for the marine market. Available in 10”, and 12” sizes with uni-servo, Duo- serve and free backing models.  Marine-grade hydraulic drum brake assembly is great for boat trailers.  Designed for use with surge-type trailer brake actuators. Sturdy, corrosion-resistant steel construction.

Free backing assemblies incorporates a “fall-away” shoe which diminishes shoe drag when backing up. Requires periodic manual adjustment.  Marine cluster has galvanized back plate, stainless steel spring hardware, plated wheel cylinder and riveted marine brake shoe.  Free-backing brakes let your trailer move in reverse without the brakes being activated by your surge actuator. These brakes are needed if your actuator does not have a reverse lockout, which is a mechanism that ensures that the actuator does not activate when your rig moves in reverse.

Nuts-6-17, bolts-7-75, and washers-5-8 sold separately.

• Left hand (Driver's side)
• Free backing
• For use with a 10" inside diameter drum
• Rated for 3,500lb axles (1,750lbs each)
• Single servo
• 4 Bolt mount flange
• 1 Year warranty

To determine the size of the brake, you need 2 measurements.  The first is the diameter of the brake(D).  The second is the width of the shoe(W).  It is good to take note of how many mounting bolts the brake has.

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