UN Regulation No. 85
Power Measurement of Internal Combustion Engines and Electric Motors

Uniform Provisions Concerning the Approval of Internal Combustion Engines or Electric Drive Trains Intended for the Propulsion of Motor Vehicles of Categories M and N with regard to the Measurement of the Net Power and the Maximum 30 Minutes Power of Electric Drive Trains

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Revisions and Amendments

Series of Amendments and Supplements

Application of the Regulation

Contracting Parties applying UN R85

Related News and Information


23 Dec 2015	23 Dec 2015 \| Depositary notifications issued for UN Regulations		Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions The 1958 Agreement regulates the functioning of the international system for the recognition of type approvals under UN Regulations. The Agreement specifies how regulations are to be established and how the system operates whereby an approval under a given regulation accorded by one country can be accepted by all other countries applying that regulation. The program to establish an international system for whole vehicles (as opposed to the current focus on individual vehicle components and systems) includes an important restructuring of the 1958 Agreement. Revision 3 of the 1958 Agreement enters into force on 14 September 2017. 1958 Agreement 1958 Agreement United Nations Agreement 1958 Agreement, Uniform Provisions Concerning the Approval of Vehicles with Regard to the Protection of the Driver Against the Steering Mechanism in the Event of Impact Steering Mechanism Steering Mechanism Impact Protection UN Regulation No. 12 UN R12, Uniform Provisions Concerning the Approval of Vehicles with regard to their External Projections External Projections External Projections of Vehicles UN Regulation No. 26 UN R26, Uniform Provisions Concerning the Approval of Vehicles with regard to the Speedometer Equipment Including its Installation Speedometer Equipment Speedometer Equipment UN Regulation No. 39 UN R39, Uniform Provisions Concerning the Approval of Restraining Devices for Child Occupants of Power-driven Vehicles ("Child Restraint System") Child Restraint Systems Child Restraint Systems UN Regulation No. 44 UN R44, Uniform Provisions Concerning the Approval of Devices for Indirect Vision and of Motor Vehicles with regard to the Installation of these Devices Indirect Vision Indirect Vision Devices UN Regulation No. 46 UN R46, Uniform Provisions Concerning the Approval of: I. Rear Underrun Protective Devices (RUPDS) II. Vehicles with regard to the Installation of an RUPD of an Approved Type III. Vehicles with regard to their Rear Underrun Protection (RUP) Rear Underrun Protection Devices Rear Underrun Protection Devices UN Regulation No. 58 UN R58, Uniform Provisions Concerning the Approval of Commercial Vehicles with regard to their External Projections Forward of the Cab's Rear Panel CV External Projections Commercial Vehicle External Projections UN Regulation No. 61 UN R61, Uniform Provisions Concerning the Approval of Category L1 Vehicles with regard to the Installation of Lighting and Light-signalling Devices Moped Lighting Moped Lighting UN Regulation No. 74 UN R74, Uniform Provisions Concerning the Approval of Vehicles with regard to the Emission of Pollutants According to Engine Fuel Requirements Together with R49, Regulation 83 addresses vehicle emissions. R83 covers emissions from all light vehicles (M1/N1) regardless of engine type and from heavier vehicles only if equipped with a gasoline engine. Under certain circumstances, R83 or R49 can apply to light vehicle CNG/LPG engines as well as to medium passenger and commercial vehicles (M2/N2) equipped with diesel engines. R83 also contains provisions specific to hybrid variations of the vehicles under its purview. Motor Vehicle Emissions Motor Vehicle Emissions UN Regulation No. 83 UN R83, Uniform Provisions Concerning the Approval of Internal Combustion Engines or Electric Drive Trains Intended for the Propulsion of Motor Vehicles of Categories M and N with regard to the Measurement of the Net Power and the Maximum 30 Minutes Power of Electric Drive Trains Net Power Measurement Power Measurement of Internal Combustion Engines and Electric Motors UN Regulation No. 85 UN R85, Uniform Provisions Concerning the Approval of Vehicles with regard to the Protection of the Occupants in the Event of a Frontal Collision Frontal Collision Protection Occupant Protection in Frontal Collisions UN Regulation No. 94 UN R94, Uniform Provisions Concerning the Approval of Vehicles with regard to the Protection of the Occupants in the Event of a Lateral Collision This regulation applies to the lateral collision behavior of the structure of the passenger compartment of M1 and N1 categories of vehicles where the "R" point of the lowest seat is not more than 700 mm from ground level when the unladen vehicle plus 100 kg (i.e., the mass of a side impact dummy plus instrumentation) is at rest. Lateral Collision Protection Occupant Protection in Lateral Collisions UN Regulation No. 95 UN R95, Uniform Provisions Concerning the Approval of: I. Safety-belts, Restraint Systems, Child Restraint Systems and ISOFIX Child Restraint Systems for Occupants of Power-driven Vehicles II. Vehicles Equipped with Safety-belts, Safety-belt Reminders, Restraint Systems, Child Restraint Systems and ISOFIX Child Restraint Systems Safety belt systems Safety belts and related systems UN Regulation No. 16 UN R16, Uniform Provisions Concerning the Approval of Vehicle Alarm Systems (VAS) and of Motor Vehicles with regard to their Alarm Systems (AS) Vehicle Alarms Vehicle Alarm Systems UN Regulation No. 97 UN R97, Uniform Provisions Concerning the Approval of Passenger Cars Powered by an Internal Combustion Engine Only, or Powered by a Hybrid Electric Power Train with Regard to the Measurement of the Emission of Carbon Dioxide and Fuel Consumption and/or the Measurement of Electric Energy Consumption and Electric Range, and of Categories M1 and N1 Vehicles Powered by an Electric Power Train Only with Regard to the Measurement of Electric Energy Consumption and Electric Range CO2 Emissions/Fuel Consumption Carbon Dioxide Emissions and Fuel/Energy Consumption UN Regulation No. 101 UN R101, Uniform Provisions Concerning the Approval of Pneumatic Tyres for Agricultural Vehicles and their Trailers Agricultural Tires Tires for Agricultural Vehicles UN Regulation No. 106 UN R106, Uniform Provisions Concerning the Approval of Category M2 or M3 Vehicles with regard to their General Construction UNECE R107 covers the approval of single-deck, double-deck, rigid or articulated vehicles, with the exception of certain special-use vehicles such as ambulances, school buses, prison buses, etc. The regulation also lays out special requirements for other special-use buses and vans such as mobile libraries. Coach and Bus Construction Construction of Coaches and Buses UN Regulation No. 107 UN R107, Uniform Provisions Concerning the Protection of Motor Vehicles Against Unauthorized Use Anti-theft and Alarm Systems Protection of Vehicles Against Unauthorized Use UN Regulation No. 116 UN R116, Uniform provisions concerning the approval of motor vehicles with regard to their pedestrian safety performance Pedestrian Safety Pedestrian Safety UN Regulation No. 127 UN R127, Uniform Provisions Concerning the Approval of Motor Vehicle Headlamps Equipped with Gas-discharge Light Sources This regulation will be superseded by a new UN Regulation on Road-Illumination Devices (RID) under the Simplification of Lighting Regulations development program. Gas-discharge-light Headlamps Headlamps Equipped with Gas-discharge Light Sources UN Regulation No. 98 UN R98, Uniform Provisions Concerning the Approval of Gas-discharge Light Sources for use in Approved Gas-discharge Lamp Units of Power-driven Vehicles Gas-discharge Light Sources Gas-discharge Light Sources UN Regulation No. 99 UN R99, and Uniform provisions concerning the approval of vehicles with regard to specific requirements for the electric power train Electric Powertrain Vehicles Construction and Safety of Electric Powertrains UN Regulation No. 100 UN R100
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23 Dec 2015

23 Dec 2015 | Depositary notifications issued for UN Regulations

Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions The 1958 Agreement regulates the functioning of the international system for the recognition of type approvals under UN Regulations. The Agreement specifies how regulations are to be established and how the system operates whereby an approval under a given regulation accorded by one country can be accepted by all other countries applying that regulation. The program to establish an international system for whole vehicles (as opposed to the current focus on individual vehicle components and systems) includes an important restructuring of the 1958 Agreement. Revision 3 of the 1958 Agreement enters into force on 14 September 2017. 1958 Agreement 1958 Agreement United Nations Agreement 1958 Agreement, Uniform Provisions Concerning the Approval of Vehicles with Regard to the Protection of the Driver Against the Steering Mechanism in the Event of Impact Steering Mechanism Steering Mechanism Impact Protection UN Regulation No. 12 UN R12, Uniform Provisions Concerning the Approval of Vehicles with regard to their External Projections External Projections External Projections of Vehicles UN Regulation No. 26 UN R26, Uniform Provisions Concerning the Approval of Vehicles with regard to the Speedometer Equipment Including its Installation Speedometer Equipment Speedometer Equipment UN Regulation No. 39 UN R39, Uniform Provisions Concerning the Approval of Restraining Devices for Child Occupants of Power-driven Vehicles ("Child Restraint System") Child Restraint Systems Child Restraint Systems UN Regulation No. 44 UN R44, Uniform Provisions Concerning the Approval of Devices for Indirect Vision and of Motor Vehicles with regard to the Installation of these Devices Indirect Vision Indirect Vision Devices UN Regulation No. 46 UN R46, Uniform Provisions Concerning the Approval of: I. Rear Underrun Protective Devices (RUPDS) II. Vehicles with regard to the Installation of an RUPD of an Approved Type III. Vehicles with regard to their Rear Underrun Protection (RUP) Rear Underrun Protection Devices Rear Underrun Protection Devices UN Regulation No. 58 UN R58, Uniform Provisions Concerning the Approval of Commercial Vehicles with regard to their External Projections Forward of the Cab's Rear Panel CV External Projections Commercial Vehicle External Projections UN Regulation No. 61 UN R61, Uniform Provisions Concerning the Approval of Category L1 Vehicles with regard to the Installation of Lighting and Light-signalling Devices Moped Lighting Moped Lighting UN Regulation No. 74 UN R74, Uniform Provisions Concerning the Approval of Vehicles with regard to the Emission of Pollutants According to Engine Fuel Requirements Together with R49, Regulation 83 addresses vehicle emissions. R83 covers emissions from all light vehicles (M1/N1) regardless of engine type and from heavier vehicles only if equipped with a gasoline engine. Under certain circumstances, R83 or R49 can apply to light vehicle CNG/LPG engines as well as to medium passenger and commercial vehicles (M2/N2) equipped with diesel engines. R83 also contains provisions specific to hybrid variations of the vehicles under its purview. Motor Vehicle Emissions Motor Vehicle Emissions UN Regulation No. 83 UN R83, Uniform Provisions Concerning the Approval of Internal Combustion Engines or Electric Drive Trains Intended for the Propulsion of Motor Vehicles of Categories M and N with regard to the Measurement of the Net Power and the Maximum 30 Minutes Power of Electric Drive Trains Net Power Measurement Power Measurement of Internal Combustion Engines and Electric Motors UN Regulation No. 85 UN R85, Uniform Provisions Concerning the Approval of Vehicles with regard to the Protection of the Occupants in the Event of a Frontal Collision Frontal Collision Protection Occupant Protection in Frontal Collisions UN Regulation No. 94 UN R94, Uniform Provisions Concerning the Approval of Vehicles with regard to the Protection of the Occupants in the Event of a Lateral Collision This regulation applies to the lateral collision behavior of the structure of the passenger compartment of M1 and N1 categories of vehicles where the "R" point of the lowest seat is not more than 700 mm from ground level when the unladen vehicle plus 100 kg (i.e., the mass of a side impact dummy plus instrumentation) is at rest. Lateral Collision Protection Occupant Protection in Lateral Collisions UN Regulation No. 95 UN R95, Uniform Provisions Concerning the Approval of: I. Safety-belts, Restraint Systems, Child Restraint Systems and ISOFIX Child Restraint Systems for Occupants of Power-driven Vehicles II. Vehicles Equipped with Safety-belts, Safety-belt Reminders, Restraint Systems, Child Restraint Systems and ISOFIX Child Restraint Systems Safety belt systems Safety belts and related systems UN Regulation No. 16 UN R16, Uniform Provisions Concerning the Approval of Vehicle Alarm Systems (VAS) and of Motor Vehicles with regard to their Alarm Systems (AS) Vehicle Alarms Vehicle Alarm Systems UN Regulation No. 97 UN R97, Uniform Provisions Concerning the Approval of Passenger Cars Powered by an Internal Combustion Engine Only, or Powered by a Hybrid Electric Power Train with Regard to the Measurement of the Emission of Carbon Dioxide and Fuel Consumption and/or the Measurement of Electric Energy Consumption and Electric Range, and of Categories M1 and N1 Vehicles Powered by an Electric Power Train Only with Regard to the Measurement of Electric Energy Consumption and Electric Range CO2 Emissions/Fuel Consumption Carbon Dioxide Emissions and Fuel/Energy Consumption UN Regulation No. 101 UN R101, Uniform Provisions Concerning the Approval of Pneumatic Tyres for Agricultural Vehicles and their Trailers Agricultural Tires Tires for Agricultural Vehicles UN Regulation No. 106 UN R106, Uniform Provisions Concerning the Approval of Category M2 or M3 Vehicles with regard to their General Construction

UNECE R107 covers the approval of single-deck, double-deck, rigid or articulated vehicles, with the exception of certain special-use vehicles such as ambulances, school buses, prison buses, etc.

The regulation also lays out special requirements for other special-use buses and vans such as mobile libraries.

Coach and Bus Construction Construction of Coaches and Buses UN Regulation No. 107 UN R107, Uniform Provisions Concerning the Protection of Motor Vehicles Against Unauthorized Use Anti-theft and Alarm Systems Protection of Vehicles Against Unauthorized Use UN Regulation No. 116 UN R116, Uniform provisions concerning the approval of motor vehicles with regard to their pedestrian safety performance Pedestrian Safety Pedestrian Safety UN Regulation No. 127 UN R127, Uniform Provisions Concerning the Approval of Motor Vehicle Headlamps Equipped with Gas-discharge Light Sources This regulation will be superseded by a new UN Regulation on Road-Illumination Devices (RID) under the Simplification of Lighting Regulations development program. Gas-discharge-light Headlamps Headlamps Equipped with Gas-discharge Light Sources UN Regulation No. 98 UN R98, Uniform Provisions Concerning the Approval of Gas-discharge Light Sources for use in Approved Gas-discharge Lamp Units of Power-driven Vehicles Gas-discharge Light Sources Gas-discharge Light Sources UN Regulation No. 99 UN R99, and Uniform provisions concerning the approval of vehicles with regard to specific requirements for the electric power train Electric Powertrain Vehicles Construction and Safety of Electric Powertrains UN Regulation No. 100 UN R100

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Development of the Regulation

Pending Changes to UN R85

Latest Documents

1 Apr 2020

UN R85: Proposal for a new Supplement | GRPE/2020/13

5 Nov 2019

UN R85: Proposal for a new Supplement | GRPE/2020/8

29 Aug 2019

UN R85: Proposal for Supplement 10 | WP.29/2019/112

See all 38 related documents

Latest Meeting Discussions
Working Party on Pollution and Energy \| Session 81 \| 9-12 Jun 2020
Working Party on Pollution and Energy \| Session 80 \| 14-17 Jan 2020
World Forum for the Harmonization of Vehicle Regulations \| Session 179 \| 12-14 Nov 2019
	See more related meetings

Latest Meeting Discussions
Working Party on Pollution and Energy \| Session 81 \| 9-12 Jun 2020
Working Party on Pollution and Energy \| Session 80 \| 14-17 Jan 2020
World Forum for the Harmonization of Vehicle Regulations \| Session 179 \| 12-14 Nov 2019
	See more related meetings

Regulation:	UN Regulation No. 117 \| Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
Document:	Revision 4 \| Amendment 2
Corresponds to:	02 series of amendments \| Supplement 10 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/54 Proposal to correct a type in Annex 7- Appendix 2, Part 2, Paragraph 5 where the snow group index should read “1.00”, not “100” as appeared erroneously in the adopted text correct the text where the word “tyres” was inadvertently omitted from Paragraph 2.1. align the provisions of UN R117 regarding approval numbers and markings with the provisions of Schedule 4 to the revised 1958 Agreement.

Regulation:	UN Regulation No. 129 \| Enhanced Child Restraint Systems
Document:	Revision 4 \| Amendment 2
Corresponds to:	03 series of amendments \| Supplement 2 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/40 Proposal to introduce new and modified labeling and to clarify packaging information to distinguish between forward-facing-only, rear-facing-only, and convertible CRS in order to reduce the risk of users misusing these enhanced CRS clarify that assessment of the DE plane only applies to rearward-facing Child Restraint Systems (CRS) in UN Regulation No. 44 and therefore does not apply to forward-facing child restraints that maintain structure of the child restraint behind the head of the dummy specify the dimensions of the approval number update i-Size universal ISOFIX, Specific Vehicle ISOFIX, i-Size Booster seat and Specific Vehicle Booster seat numbering (omitted in WP29-2018-045) rearrange the dimensions mark for arrangements of the approval mark where used in combination with the module mark change the 145 cm stature of the Specific Vehicle Booster seat to 150 cm stature as this is the correct upper limit, and clarify that Conformity of Production assessments shall be conducted under the same requirements as those of the original approval or, if applicable, the extension of the approval.

Regulation:	UN Regulation No. 129 \| Enhanced Child Restraint Systems
Document:	Revision 3 \| Amendment 4
Corresponds to:	02 series of amendments \| Supplement 5 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/39 Proposal to introduce new and modified labeling and to clarify packaging information to distinguish between forward-facing-only, rear-facing-only, and convertible CRS in order to reduce the risk of users misusing these enhanced CRS clarify that assessment of the DE plane only applies to rearward-facing Child Restraint Systems (CRS) in UN Regulation No. 44 and therefore does not apply to forward-facing child restraints that maintain structure of the child restraint behind the head of the dummy specify the dimensions of the approval number correct the term “Regulation No. 129-02” to “UN Regulation No. 129/02” change the 145 cm stature of the Specific Vehicle Booster seat to the 150 cm stature as this is the upper limit, and modify the approval markings for consistency between technical services and approval authorities and between the labels of products approved under the 02 and 03 series.

Regulation:	UN Regulation No. 129 \| Enhanced Child Restraint Systems
Document:	Revision 1 \| Amendment 7
Corresponds to:	01 series of amendments \| Supplement 6 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/38 Proposal to introduce new and modified labeling and to clarify packaging information to distinguish between forward-facing-only, rear-facing-only, and convertible CRS in order to reduce the risk of users misusing these enhanced CRS, and clarify that assessment of the DE plane only applies to rearward-facing Child Restraint Systems (CRS) in UN Regulation No. 44 and therefore does not apply to forward-facing child restraints that maintain structure of the child restraint behind the head of the dummy.

UN Regulation No. 85 Power Measurement of Internal Combustion Engines and Electric Motors