PLAIN-LANGUAGE DEFINITION
What does Service Brake mean?
The primary braking system controlled by the brake pedal during normal driving.
Uzbek explanation
Normal driving paytida brake pedal orqali boshqariladigan asosiy braking system.
How the term is used in trucking
“The service brake test confirmed the vehicle stopped without pulling.”
In the other language: Service brake testi vehicle tortmasdan to‘xtaganini ko‘rsatdi.
Why CDL drivers should know this term
You may encounter “Service Brake” during CDL training, permit preparation, a vehicle inspection, dispatch communication, or daily commercial-driving work. Understanding both the official English wording and the Uzbek explanation helps you communicate clearly and recognize the term in real situations.