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Demco 12in 7K LH Free Backing Hyd Brake 42029

SKU: 42029
Price: $158.17
Demco 12" x 2" Drum LH Free Backing Hydraulic Galvanized Brake Assembly - 7,000lb 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.

38N, bolts-7-5, and washers-38LW sold separately.

• Left hand (Driver's side)
• Free backing
For use with 12" inside diameter drums
• Rated for 7,000lb axles (3,500lbs each)
• Free Backing
• 5 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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