At a Glance
- >12-1/4" diameter x 5" wide brake assembly
- >Designed for 15,000 lb axle applications
- >Electric drum brake operation
- >Forward self-adjusting mechanism
- >Left-hand (driver side) orientation
- Brand: Dexter
- SKU: 023-446-00
Before You Order
Match the part number, measurements and connection points that apply to your trailer.
Fitment Check
| Hub Face | Measure hub face to hub face. |
|---|---|
| Spring Center | Measure mounting centers and confirm perch configuration. |
| Capacity | Match the required axle rating. |
| Brakes | Confirm brake type and flange configuration. |
Product Details
12.25" x 5" Brake Backing Plate SelfAdjust Electric Trailer Left Side 15000 Cap (023-446-00)
Part # 023-446-00
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Dexter 12-1/4" x 5" Electric Brake Assembly – 15,000 lb Axle – Self-Adjusting – Left Hand
Part Number: 023-446-00
Genuine Dexter 12-1/4" x 5" electric trailer brake assembly designed for heavy-duty15,000 lb axle applications. Left-hand configuration (driver side).Forward self-adjusting and built for commercial and high-capacity trailer systems.
All brake components are fully pre-assembled on the backing plate for efficientinstallation and complete brake replacement.
Features
- 12-1/4" diameter x 5" wide brake assembly
- Designed for 15,000 lb axle applications
- Electric drum brake operation
- Forward self-adjusting mechanism
- Left-hand (driver side) orientation
- Pre-assembled backing plate design
- Genuine Dexter component
R&P Knowledge Hub
Electric brake assemblies operate through a brake controller that energizes the magnet, engaging the drum surface and expanding the brake shoes.
Forward self-adjusting systems automatically maintain proper shoe-to-drum clearance during forward travel, reducing routine manual adjustment requirements.
12-1/4" x 5" assemblies are used on 15K heavy-duty axles commonly found on equipment trailers, commercial haulers, and high-capacity applications. Always verify brake size, axle rating, mounting flange configuration, and correct left-hand orientation before ordering.
Specifications
| Specification | Detail |
| Manufacturer | Dexter |
| Brake Diameter | 12-1/4 Inches |
| Brake Width | 5 Inches |
| Axle Capacity | 15,000 lbs |
| Orientation | Left Hand (Driver Side) |
| Adjustment Type | Forward Self-Adjusting |
| Brake Type | Electric Drum Brake |
Verify specifications before installation.
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