The Demco 18787 is a high-quality, marine-grade hydraulic drum brake assembly designed for 3,500 lb. trailer axles. Featuring a single-plunger (single servo) design, this right-hand (passenger side) brake assembly ensures reliable stopping power, making it ideal for boat trailers and other applications requiring corrosion resistance. Its galvanized steel construction and stainless steel hardware provide durability in harsh environments.

Key Features

• Brake Size: 10" diameter x 2-1/4" width

• Axle Rating: 3,500 lbs. per axle (1,750 lbs. per wheel)

• Mounting Flange: 4-bolt pattern

• Design: Single servo (uni-servo) for effective braking in forward motion

• Construction: Hot-dipped galvanized backing plate with stainless steel hardware

• Wheel Cylinder: Grease-packed for longevity

• Brake Shoes: Riveted for extended service life

• Compatibility: Designed for use with surge-type trailer brake actuators

• Application: Suitable for 13" to 15" wheels

• Adjustment: Manual adjustment required

• Warranty: 1-year limited warranty

Applications

Ideal for use in:

• Boat trailers

• Utility trailers

• Cargo trailers

• Recreational vehicles (RVs)

• Agricultural equipment

Note: Mounting hardware (nuts, bolts, and washers) sold separately.