What is the primary purpose of the air brake system in commercial vehicles?

The primary purpose of the air brake system in commercial vehicles is to provide effective and safe braking. Air brakes utilize compressed air to create the necessary force for braking, which is crucial for heavy vehicles that require strong stopping power due to their weight and momentum. This system ensures that drivers have greater control over their vehicle, especially while driving downhill or in emergency situations, where quick and reliable braking can prevent accidents.

Effective braking is essential not only for the safety of the driver and passengers but also for other road users. The air brake system is designed to offer consistent brake performance, even in adverse conditions, thus significantly contributing to overall road safety. This reliability is what makes air brakes a standard choice in commercial vehicle design, ensuring that they can stop safely and efficiently under various driving conditions.