Demco 8759922 DA91 Hydraulic Brake Actuator 8" Adjustable Channel 8000 lbs

The Demco DA91 Hydraulic Brake Actuator (Model 8759922) is a surge-type brake actuator designed for trailers with drum brakes up to 8,000 lbs gross vehicle weight rating (GVWR). This actuator automatically activates your trailer's brakes when the towing vehicle slows or stops, using hydraulic pressure generated by the trailer's momentum pushing against the tow vehicle.

Key Features:

• 8,000 lbs GVWR capacity with 800 lbs maximum tongue weight
• 8-inch adjustable 4-bolt center-mounted channel with 3 mounting positions
• Corrosion-resistant composite master cylinder eliminates rust issues
• Automotive-style diaphragm cap creates completely enclosed system to prevent fluid contamination
• Zinc-primed finish suitable for marine applications
• Built-in breakaway cable for emergency brake activation
• Acetal Copolymer linings with eliminated rollers for reliable operation
• Heavy-duty steel construction with primed finish ready for painting
• Weld-on installation design
• Made in USA with 1-year warranty

The adjustable channel allows for versatile coupler mounting (sold separately) with 8 inches of vertical adjustment and 3 inches of side-to-side adjustment. Installation requires 1/2" x 4-1/2" grade 5 bolts. The 50-degree A-frame mounted actuator may be welded directly onto your trailer tongue for permanent installation.