This 10K-rated hydraulic drum brake assembly is built for the left (driver) side of trailers using 9,000–10,000 lb axles. Designed with a 12.25" x 3.375" brake surface and a 7-hole mounting flange, it features a fully self-adjusting mechanism that minimizes maintenance while maximizing stopping performance. Ideal for heavy-duty trailers including utility, flatbed, livestock, and equipment haulers.

Detailed Information:

Fitting:

Fits the left-hand side of trailer axles with a 7-hole brake flange. Compatible with Dexter, Lippert, and Besser Pro 9K–10K axles. Commonly used in a wide range of heavy-duty trailers including flatbeds, equipment haulers, livestock trailers, and campers. Mounting hardware not included.

Features:

• Self-Adjusting Mechanism: Maintains proper brake tension for consistent performance and less manual upkeep.
• Complete Assembly: Ships pre-assembled with shoes, springs, and backing plate—ready for installation.
• Heavy-Duty Construction: Built from durable components to handle rugged conditions and high loads.
• Hydraulic Compatible: Designed for use with electric-over-hydraulic or surge-type brake actuators.
• OEM Interchangeable: Replaces Dexter and industry-standard left-hand 10K hydraulic brake assemblies.

Interchangeable Part Numbers:

• MAT 77-1210H-1
• MAT 77-1210H-01
• DEXTER K23-410-00
• 10LHBRKAS
• AKUBRK-35

Product Overview:

The HAULK DEPOT 10K left-side hydraulic brake assembly offers long-lasting, low-maintenance braking for heavy-duty trailers. With self-adjusting functionality and rugged build quality, it's an ideal upgrade or replacement part for keeping your trailer safe and road-ready under load.