Meritor WABCO brakes to be used on International MD trucks

Meritor WABCO brakes to be used on International MD trucks

Meritor WABCO Vehicle Control Systems will supply its new hydraulic power brake system as standard equipment on select medium-duty International Truck and Engine Corp. models.

Meritor WABCO Vehicle Control Systems will supply its new hydraulic power brake system as standard equipment on select medium-duty International Truck and Engine Corp. models.

The new Meritor WABCO Hydraulic Power Brake (HPB), which is the next generation of the company’s hydraulic actuation and anti-lock braking system (ABS), provides full-power braking performance functions and electronic brake force distribution (EBD), the company said. EBD automatically adjusts the drive axle brake pressure to achieve more balanced braking for the vehicle. Optional Automatic Traction Control (ATC) also is available with the package.

HPB is available immediately on International’s RXT, 3200, 4200 4×4 and 4000 Series 4×2 models. The system provides a platform to launch additional active safety systems, such as electronic stability control, the company said.

The HPB system has two main components that help it provide better stopping distances through faster system reaction times – a hydraulic compact unit (HCU) and a dual-circuit master cylinder, the company said. The HCU consists of two independent electric motors driving two pump systems, two accumulators, a dual-circuit fluid reservoir with integrated filters, pressure-relief valves, solenoid valves and a dual-circuit relay valve.

When the brake pedal is applied, the master cylinder provides a signal pressure proportional to the pedal force, which allows pressurized fluid to flow from the accumulators to the appropriate brakes. When the pedal is released, brake fluid returns from the brake calipers to the reservoir, and the line pressure returns to zero. This feature is distinct to the HPB system and results in faster reaction time for enhanced stopping performance, the company said.

For more information, visit http://www.wabco-auto.com//.

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