At a Glance
- >Hydraulic brake assembly
- >12" x 2" backing plate
- >Free-backing design
- >5-bolt brake flange mounting
- >DACROMET corrosion-resistant coating
- Brand: MAT
- SKU: 77-12H-73
Before You Order
Match the part number, measurements and connection points that apply to your trailer.
Fitment Check
| Bearings | Match inner and outer bearing numbers. |
|---|---|
| Seal | Match the seal number or dimensions. |
| Bolt Pattern | Verify the complete lug pattern. |
| Brake Size | Confirm when applicable. |
Product Details
Hydraulic Brake Assembly – 12" x 2" – 7K – 5 Bolt – Free Backing – DACROMET – LEFT
Part Number: 77-12H-73
Left-hand hydraulic brake assembly for 5,200 lb, 6,000 lb, and 7,000 lb trailer axles.Designed for 12" x 2" brake drums with 5-bolt brake flange mounting.Free-backing design allows reversing without brake engagement.
R&P Knowledge Hub
This is a left-hand (driver side) brake assembly. When standing behind the trailer facing forward, this installs on the left side.
Free-backing hydraulic brakes disengage when backing up, allowing reverse movement without manual lockout.
Verify axle capacity, brake size (12" x 2"), and 5-bolt flange pattern before installation.
Features
- Hydraulic brake assembly
- 12" x 2" backing plate
- Free-backing design
- 5-bolt brake flange mounting
- DACROMET corrosion-resistant coating
- Left-hand (Driver Side)
- For 5,200–7,000 lb axles
Verify specifications before installation.
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