This standard specifies the technical requirements for the pneumatic and hydraulic braking systems of wheeled tractor-trailer units (hereinafter referred to as units). This standard applies to pneumatic and hydraulic braking systems.
JB/T 5997-2008 history
2008JB/T 5997-2008 Specifications for brake system of wheeled tractor-trailer set
1992JB/T 5997-1992 Technical specification for brake system of wheeled tractor trailer unit