What does it cover?
UN R85 covers power measurement for internal combustion engines and electric drive trains propelling M- and N-category vehicles. The full-load power curve and maximum 30-minute electric drive power are distinct measurements. Test conditions and the presentation of results need to be read together.
Who is it for?
For vehicle, engine and powertrain manufacturers and measurement, testing and approval teams.
Which subjects are addressed?
- Propulsion power for M and N vehicles
- Full-load net power curve
- Maximum 30-minute electric drive power
Common question
Are peak electric motor power and 30-minute power the same?
No. R85 treats these measurements separately. Comparing power values requires identifying the test and duration to which each reported value relates.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R85 — UN Regulation No. 85
Working series: 00 · Included supplement: 13
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.