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Database: 365,228(8 Aug 2026)
bus brakes bus service brake assembly performance requirements unified performance index service brakes aquaculture environments circuits scopethis standard applies natural gas transmission enterprises scopethis standard
QC/T 239-1997 in English

QC/T 239-1997 in English

SUPERSEDED

Performance Requirements for Truck & Bus Brakes

  • Issued on:1997-11-12
  • Implemented on:1998-07-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $360.00
$350.00
Standard No: QC/T 239-1997
Document status: SUPERSEDED
Superseded by: QC/T 239-2015 Specifications and bench test methods for commercial vehicle service brake
Superseded on: 2015-10-01
Title in English: Performance Requirements for Truck & Bus Brakes
Title in Chinese: 货车、客车制动器性能要求
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1997-11-12
Implemented on: 1998-07-01
Professional Classification: QC-Automobile
Related Keywords: bus brakes
bus service brake assembly
performance requirements
unified performance index
service brakes
Related Topics: truck
brake
qc/t-239-2015
Buses and Trucks
bus
qc/t 228.1-1997
qc/t228.1-1997
Truck GPS function
Electric bus quality
qc/t900-1997


1 Scope
This standard specifies the unified performance index for truck & bus service brake assembly (hereafter referred to as brake in short).
This standard is applicable to those truck & bus, with total mass from 1800 kg to 30000 kg, service brakes driven by hydraulic or pneumatic system.
2 Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.

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