Product Description
Our High-Performance Brake Drum is precision-engineered for commercial semi-trailers, delivering unmatched durability and heat dissipation under the most demanding conditions. Manufactured from premium-grade cast iron with advanced alloy composition, this critical braking component ensures consistent stopping power while resisting warping and cracking – even during intensive downhill braking.
Technical Specifications
|
Parameter |
Specification |
|
Material |
Class 35 Gray Iron (ASTM A48) |
|
Diameter Options |
420mm / 430mm / 450mm |
|
Width |
180mm / 200mm / 220mm |
|
Surface Finish |
Precision-machined (Ra ≤ 3.2μm) |
|
Max RPM |
1,200 (at 100°C) |
|
Weight Capacity |
13,000 lbs per drum |
|
Warranty |
2 years / 300,000 km |
Key Features
Advanced Heat Management – Optimized cooling fins increase airflow by 30%, reducing peak temperatures by 150°F vs. standard drums
Micro-alloy Composition – Enhanced with chromium and molybdenum for 40% higher thermal fatigue resistance
Precision Balanced – Dynamic balancing to ≤15g-cm minimizes vibration and brake judder
Wear-Resistant Surface – Induction-hardened friction surface extends lining life by 25%
Safety Certified – Complies with FMVSS 121 and ECE R90 standards
Maintenance Ready – Pre-machined inspection holes for easy wear measurement
Primary Applications
Over-the-Road Trailers
Dry vans and refrigerated units
01
Heavy Haulage
Flatbeds and lowboy trailers
02
Construction Equipment
Dump trailers and tankers
03
Regional Distribution
High-cycle urban delivery trailers
04
Competitive Advantages
Extended Service Life
400,000 km average lifespan in fleet testing
Consistent Braking
Maintains ≤0.005" runout after thermal cycling
Weight Optimized
15% lighter than competitor drums (without sacrificing strength)
Universal Fitment
Direct replacement for Meritor, Bendix, and Knorr systems
Corrosion Resistant
Optional Dacromet coating available for harsh environments
Hot Tags: brake drum, China brake drum manufacturers, suppliers, factory, axle parts, Anti Retreat Gasket, Wheel Hub, Return Spring, ABS Certification Label, Hub Cap
