What does it cover?
UN R120 addresses net power of internal combustion engines for T-category vehicles and non-road mobile machinery. It defines full-load power, torque and specific fuel consumption curves and measurement conditions. Constant-speed and variable-speed applications are distinguished.
Who is it for?
For vehicle, engine and powertrain manufacturers and measurement, testing and approval teams.
Which subjects are addressed?
- T vehicles and non-road machinery
- Power, torque and specific fuel consumption
- Constant- and variable-speed engines
Common question
Is R120 an exhaust emissions approval?
No. Its approval subject is measurement and presentation of net engine power. Other approval subjects concerning exhaust emissions should not be confused with it.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R120 — UN Regulation No. 120
Working series: 02 · Included supplement: 1
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.