SOURCE-LINKED REGULATION GUIDE

UN R13 — Braking for heavy vehicles and trailers

Review braking requirements in light of the vehicle category and system design.

Explore the scope

What does it cover?

UN R13 contains braking provisions for vehicles in categories M2, M3, N and O. It separately identifies exclusions for vehicles or trailers with a low design speed and certain vehicle configurations. Technical requirements, tests and changes to the braking system or vehicle type are considered within its approval framework.

Who is it for?

Bus, goods-vehicle and trailer manufacturers, and braking-system and testing teams.

Which subjects are addressed?

  • Braking by vehicle category
  • Scope exclusions
  • Technical requirements and tests
  • Vehicle and braking-system changes

Common question

Are R13 and R13-H the same regulation?

No. They have separate regulation identifiers. R13 specifies M2, M3, N and O; select the applicable braking regulation from the vehicle category and approval framework.

Source documents and references

Explore RegsUP features

Work with this regulation in RegsUP.

Read the text with its edition and sources. Assess available comparisons, relevant dates and question-and-answer features against your work needs.

Discuss access options

Related regulations