RV Electromagnetic Brake
12.25″×5″, 12,000 lbs, 7-Bolt Electric Trailer Brake Assembly
Key Features
- 12-inch large brake drum providing ample braking force under heavy loads
- Electromagnetic electronic control synchronous braking for smoother traction
- Self-adjusting clearance mechanism with stable long-term braking performance
- Overloaded-resistant reinforced housing with double-layer corrosion protection for durability under harsh operating conditions
Product Overview
Core Specification
| project | Specification Details |
| specified load | 12,000 LB (12,000 pounds; approximately 5,443 kg under heavy axle load) |
| type | 12-inch drum-type electromagnetic electric brake (electric brake with self-adjusting mechanism) |
| caliber | 4.5-inch (114 mm) thick circular tube with heavy-load bearing beam |
| Process Flow | Cast molding → CNC precision machining → quenching and tempering heat treatment → dual anti-corrosion treatment (electroplating + hot galvanizing) → assembly testing for braking performance, torque resistance, and sealing integrity before shipment |
| Hub nut | 9/16″–18 UNF American fine-threaded high-strength flange nut, designed for use with 8-hole heavy-duty hubs and featuring hot-dip galvanizing for rust resistance |
| customization | Supports customizing CAD/DWG drawings; allows customization of shaft length, wire harnesses, mounting hole spacing, protection rating, and bearing configuration |
Matters Need Attention
Included Parts
- 2×12K pre-lubricated heavy-load bearing kits
- 12-inch wheel hub + electromagnetic brake assembly (8-hole heavy-duty hub)
- 4.5-inch heavy-load shaft beam
- 9/16–18 wheel hub nuts, electromagnetic coils, and wiring harness assemblies
AP
- Heavy-duty freight trailers and large recreational RVs require heavy-duty braking systems.
- Heavy-duty engineering and agricultural off-road trailers
- Replacement and modification of heavy-duty axle assemblies for vehicles with a load capacity of 12,000 pounds
Maintain (Service)
- Clean the brake chamber, wheel hub seals, and wiring areas after muddy or water-crossing operations.
- Perform quarterly inspections of brake shoe wear, electromagnetic performance under power supply, spring tension, and bearing sealing integrity.
- Overloading is strictly prohibited to protect the shaft, bearings, and brake assembly.
- Add bearing grease regularly according to the maintenance schedule and check the circuit for water resistance.
Reinforced structure for heavy loads; reliable braking stability when dragging.
Anti-corrosion and wear-resistant manufacturing process ensures longer service life outdoors.
Modular assembly for easier installation and maintenance
Reduce driving vibrations for safer and smoother towing
Modifications for heavy-duty trailers to accommodate various specifications
Reduce maintenance frequency and save long-term operating costs
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