Product Description

Our Drum-Type Optical Axle Assembly represents the next evolution in heavy-duty axle technology, combining traditional drum brake reliability with advanced optical wheel speed monitoring. This fully integrated assembly features a high-strength axle shaft, precision-machined drum brakes, and integrated optical sensors for real-time wheel speed and load monitoring – ideal for fleet managers requiring both durability and smart technology.

Product Classification

Category

Smart Axle Systems

Application

Dry Van Trailers, Refrigerated Trailers, Heavy Haulage

Compatibility

Standard 23k/25k GAWR configurations

Fits 22.5" and 24.5" wheel assemblies

Interfaces with common telematics systems

Technical Features

Hybrid Drum-Optical Design

Robust cast iron brake drums (400mm-430mm) with wear indicators

Sealed optical encoder system with IP69K protection rating

Real-Time Monitoring

Integrated wheel speed sensors (0.5° resolution)

Temperature monitoring for both bearings and brake drums

Enhanced Durability

Forged axle shaft (SAE 1045 steel) with induction-hardened surface

Triple-lip labyrinth seal design (80,000-mile service interval)

Maintenance Optimization

Quick-disconnect sensor wiring harness

Pre-adjusted brake assemblies (no initial setup required)

Regulatory Compliance

Meets FMVSS 121 & ECE R90 standards

ABS-ready with ISO 7638 connector

Competitive Advantages

✔

Predictive Maintenance – Optical sensors detect bearing wear 3x earlier than traditional methods

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Weight Savings – 18% lighter than conventional axle assemblies (aluminum hub option available)

✔

Fleet Connectivity – CAN bus output compatible with most telematics platforms

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Extended Service Life – 1.2 million mile B10 bearing life rating

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Safety Certified – Third-party tested to AAR M-936 impact standards

Technical Specifications Table

Component	Specification
Axle Capacity	23,000 lbs (standard) / 25,000 lbs (HD)
Brake Drum	420mm x 180mm (16.5" x 7") nodular iron
Sensor Resolution	512 pulses/revolution ±0.25% accuracy
Temperature Range	-40°F to +257°F (-40°C to +125°C)
Data Output	SAE J1939 or CAN 2.0B protocol