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Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance. )

Type Regulation
Publication 2017-12-29
Last updated 2026-01-01
State In force
Department European Commission, GROW
Source EUR-Lex
articles 27
Reform history JSON API
Parent engine or engine type Parent engine or engine type Engine CO2-family members Engine CO2-family members Engine CO2-family members Engine CO2-family members Engine CO2-family members
Parent engine or engine type Parent engine or engine type A B C D E
3.2. Internal combustion engine Internal combustion engine Internal combustion engine
3.2.1. Specific engine information Specific engine information Specific engine information
3.2.1.1. Working principle: positive ignition/compression ignition (1) Cycle four stroke/two stroke/ rotary (1) Working principle: positive ignition/compression ignition (1) Cycle four stroke/two stroke/ rotary (1) Working principle: positive ignition/compression ignition (1) Cycle four stroke/two stroke/ rotary (1)
3.2.1.1.1. Type of dual-fuel engine: Type 1A/Type 1B/Type 2A/Type 2B/Type 3B1 Type of dual-fuel engine: Type 1A/Type 1B/Type 2A/Type 2B/Type 3B1 Type of dual-fuel engine: Type 1A/Type 1B/Type 2A/Type 2B/Type 3B1
3.2.1.1.2. Gas Energy Ratio over the hot part of the WHTC: % Gas Energy Ratio over the hot part of the WHTC: % Gas Energy Ratio over the hot part of the WHTC: %
3.2.1.2. Number and arrangement of cylinders Number and arrangement of cylinders Number and arrangement of cylinders
3.2.1.2.1. Bore (3) mm Bore (3) mm Bore (3) mm
3.2.1.2.2. Stroke (3) mm Stroke (3) mm Stroke (3) mm
3.2.1.2.3. Firing order Firing order Firing order
3.2.1.3. Engine capacity (4) cm3 Engine capacity (4) cm3 Engine capacity (4) cm3
3.2.1.4. Volumetric compression ratio (5) Volumetric compression ratio (5) Volumetric compression ratio (5)
3.2.1.5. Drawings of combustion chamber, piston crown and, in the case of positive ignition engines, piston rings Drawings of combustion chamber, piston crown and, in the case of positive ignition engines, piston rings Drawings of combustion chamber, piston crown and, in the case of positive ignition engines, piston rings
3.2.1.6. Normal engine idling speed (5) min– 1 Normal engine idling speed (5) min– 1 Normal engine idling speed (5) min– 1
3.2.1.6.1. High engine idling speed (5) min– 1 High engine idling speed (5) min– 1 High engine idling speed (5) min– 1
3.2.1.6.2. Idle on Diesel: yes/no1 Idle on Diesel: yes/no1 Idle on Diesel: yes/no1
3.2.1.7. Carbon monoxide content by volume in the exhaust gas with the engine idling (5): % as stated by the manufacturer (positive ignition engines only) Carbon monoxide content by volume in the exhaust gas with the engine idling (5): % as stated by the manufacturer (positive ignition engines only) Carbon monoxide content by volume in the exhaust gas with the engine idling (5): % as stated by the manufacturer (positive ignition engines only)
3.2.1.8. Maximum net power (6) … kW at … min– 1 (manufacturer's declared value) Maximum net power (6) … kW at … min– 1 (manufacturer's declared value) Maximum net power (6) … kW at … min– 1 (manufacturer's declared value)
3.2.1.9. Maximum permitted engine speed as prescribed by the manufacturer (min– 1) Maximum permitted engine speed as prescribed by the manufacturer (min– 1) Maximum permitted engine speed as prescribed by the manufacturer (min– 1)
3.2.1.10. Maximum net torque (6) … (Nm) at … (min– 1) (manufacturer's declared value) Maximum net torque (6) … (Nm) at … (min– 1) (manufacturer's declared value) Maximum net torque (6) … (Nm) at … (min– 1) (manufacturer's declared value)
3.2.1.11. Manufacturer references of the documentation package required by paragraphs 3.1, 3.2 and 3.3 of UN Regulation No. 49 enabling the Type Approval Authority to evaluate the emission control strategies and the systems on-board the engine to ensure the correct operation of NOx control measures Manufacturer references of the documentation package required by paragraphs 3.1, 3.2 and 3.3 of UN Regulation No. 49 enabling the Type Approval Authority to evaluate the emission control strategies and the systems on-board the engine to ensure the correct operation of NOx control measures Manufacturer references of the documentation package required by paragraphs 3.1, 3.2 and 3.3 of UN Regulation No. 49 enabling the Type Approval Authority to evaluate the emission control strategies and the systems on-board the engine to ensure the correct operation of NOx control measures
3.2.2. Fuel Fuel Fuel
3.2.2.2. Heavy duty vehicles Diesel/Petrol/LPG/NG/Ethanol (ED95)/Ethanol (E85)/ Hydrogen (T) /Hydrogen (TD) /Hydrogen (U) /Hydrogen (UD)/Diesel B100(1)(11) Heavy duty vehicles Diesel/Petrol/LPG/NG/Ethanol (ED95)/Ethanol (E85)/ Hydrogen (T) /Hydrogen (TD) /Hydrogen (U) /Hydrogen (UD)/Diesel B100(1)(11) Heavy duty vehicles Diesel/Petrol/LPG/NG/Ethanol (ED95)/Ethanol (E85)/ Hydrogen (T) /Hydrogen (TD) /Hydrogen (U) /Hydrogen (UD)/Diesel B100(1)(11)
3.2.2.2.1. Fuels compatible with use by the engine declared by the manufacturer in accordance with paragraph 4.6.2 of UN Regulation No. 49 (as applicable) Fuels compatible with use by the engine declared by the manufacturer in accordance with paragraph 4.6.2 of UN Regulation No. 49 (as applicable) Fuels compatible with use by the engine declared by the manufacturer in accordance with paragraph 4.6.2 of UN Regulation No. 49 (as applicable)
3.2.4. Fuel feed Fuel feed Fuel feed
3.2.4.2. By fuel injection (only compression ignition or dual-fuel): Yes/No (1) By fuel injection (only compression ignition or dual-fuel): Yes/No (1) By fuel injection (only compression ignition or dual-fuel): Yes/No (1)
3.2.4.2.1. System description System description System description
3.2.4.2.2. Working principle: direct injection/pre-chamber/swirl chamber (1) Working principle: direct injection/pre-chamber/swirl chamber (1) Working principle: direct injection/pre-chamber/swirl chamber (1)
3.2.4.2.3. Injection pump Injection pump Injection pump
3.2.4.2.3.1. Make(s) Make(s) Make(s)
3.2.4.2.3.2. Type(s) Type(s) Type(s)
3.2.4.2.3.3. Maximum fuel delivery (1) (5) … mm3 /stroke or cycle at an engine speed of … min– 1 or, alternatively, a characteristic diagram (When boost control is supplied, state the characteristic fuel delivery and boost pressure versus engine speed) Maximum fuel delivery (1) (5) … mm3 /stroke or cycle at an engine speed of … min– 1 or, alternatively, a characteristic diagram (When boost control is supplied, state the characteristic fuel delivery and boost pressure versus engine speed) Maximum fuel delivery (1) (5) … mm3 /stroke or cycle at an engine speed of … min– 1 or, alternatively, a characteristic diagram (When boost control is supplied, state the characteristic fuel delivery and boost pressure versus engine speed)
3.2.4.2.3.4. Static injection timing (5) Static injection timing (5) Static injection timing (5)
3.2.4.2.3.5. Injection advance curve (5) Injection advance curve (5) Injection advance curve (5)
3.2.4.2.3.6. Calibration procedure: test bench/engine (1) Calibration procedure: test bench/engine (1) Calibration procedure: test bench/engine (1)
3.2.4.2.4. Governor Governor Governor
3.2.4.2.4.1. Type Type Type
3.2.4.2.4.2. Cut-off point Cut-off point Cut-off point
3.2.4.2.4.2.1. Speed at which cut-off starts under load (min– 1) Speed at which cut-off starts under load (min– 1) Speed at which cut-off starts under load (min– 1)
3.2.4.2.4.2.2. Maximum no-load speed (min– 1) Maximum no-load speed (min– 1) Maximum no-load speed (min– 1)
3.2.4.2.4.2.3. Idling speed (min– 1) Idling speed (min– 1) Idling speed (min– 1)
3.2.4.2.5. Injection piping Injection piping Injection piping
3.2.4.2.5.1. Length (mm) Length (mm) Length (mm)
3.2.4.2.5.2. Internal diameter (mm) Internal diameter (mm) Internal diameter (mm)
3.2.4.2.5.3. Common rail, make and type Common rail, make and type Common rail, make and type
3.2.4.2.6. Injector(s) Injector(s) Injector(s)
3.2.4.2.6.1. Make(s) Make(s) Make(s)
3.2.4.2.6.2. Type(s) Type(s) Type(s)
3.2.4.2.6.3. Opening pressure (5): kPa or characteristic diagram (5) kPa or characteristic diagram (5)
3.2.4.2.7. Cold start system Cold start system Cold start system
3.2.4.2.7.1. Make(s) Make(s) Make(s)
3.2.4.2.7.2. Type(s) Type(s) Type(s)
3.2.4.2.7.3. Description Description Description
3.2.4.2.8. Auxiliary starting aid Auxiliary starting aid Auxiliary starting aid
3.2.4.2.8.1. Make(s) Make(s) Make(s)
3.2.4.2.8.2. Type(s) Type(s) Type(s)
3.2.4.2.8.3. System description System description System description
3.2.4.2.9. Electronic controlled injection: Yes/No (1) Electronic controlled injection: Yes/No (1) Electronic controlled injection: Yes/No (1)
3.2.4.2.9.1. Make(s) Make(s) Make(s)
3.2.4.2.9.2. Type(s) Type(s) Type(s)
3.2.4.2.9.3. Description of the system (in the case of systems other than continuous injection give equivalent details) Description of the system (in the case of systems other than continuous injection give equivalent details) Description of the system (in the case of systems other than continuous injection give equivalent details)
3.2.4.2.9.3.1. Make and type of the control unit (ECU) Make and type of the control unit (ECU) Make and type of the control unit (ECU)
3.2.4.2.9.3.2. Make and type of the fuel regulator Make and type of the fuel regulator Make and type of the fuel regulator
3.2.4.2.9.3.3. Make and type of the air-flow sensor Make and type of the air-flow sensor Make and type of the air-flow sensor
3.2.4.2.9.3.4. Make and type of fuel distributor Make and type of fuel distributor Make and type of fuel distributor
3.2.4.2.9.3.5. Make and type of the throttle housing Make and type of the throttle housing Make and type of the throttle housing
3.2.4.2.9.3.6. Make and type of water temperature sensor Make and type of water temperature sensor Make and type of water temperature sensor
3.2.4.2.9.3.7. Make and type of air temperature sensor Make and type of air temperature sensor Make and type of air temperature sensor
3.2.4.2.9.3.8. Make and type of air pressure sensor Make and type of air pressure sensor Make and type of air pressure sensor
3.2.4.2.9.3.9. Software calibration number(s) Software calibration number(s) Software calibration number(s)
3.2.4.3. By fuel injection (positive ignition only): Yes/No (1) By fuel injection (positive ignition only): Yes/No (1) By fuel injection (positive ignition only): Yes/No (1)
3.2.4.3.1. Working principle: intake manifold (single-/multi-point/direct injection (1)/other specify) Working principle: intake manifold (single-/multi-point/direct injection (1)/other specify) Working principle: intake manifold (single-/multi-point/direct injection (1)/other specify)
3.2.4.3.2. Make(s) Make(s) Make(s)
3.2.4.3.3. Type(s) Type(s) Type(s)
3.2.4.3.4. System description (In the case of systems other than continuous injection give equivalent details) System description (In the case of systems other than continuous injection give equivalent details) System description (In the case of systems other than continuous injection give equivalent details)
3.2.4.3.4.1. Make and type of the control unit (ECU) Make and type of the control unit (ECU) Make and type of the control unit (ECU)
3.2.4.3.4.2. Make and type of fuel regulator Make and type of fuel regulator Make and type of fuel regulator
3.2.4.3.4.3. Make and type of air-flow sensor Make and type of air-flow sensor Make and type of air-flow sensor
3.2.4.3.4.4. Make and type of fuel distributor Make and type of fuel distributor Make and type of fuel distributor
3.2.4.3.4.5. Make and type of pressure regulator Make and type of pressure regulator Make and type of pressure regulator
3.2.4.3.4.6. Make and type of micro switch Make and type of micro switch Make and type of micro switch
3.2.4.3.4.7. Make and type of idling adjustment screw Make and type of idling adjustment screw Make and type of idling adjustment screw
3.2.4.3.4.8. Make and type of throttle housing Make and type of throttle housing Make and type of throttle housing
3.2.4.3.4.9. Make and type of water temperature sensor Make and type of water temperature sensor Make and type of water temperature sensor
3.2.4.3.4.10. Make and type of air temperature sensor Make and type of air temperature sensor Make and type of air temperature sensor
3.2.4.3.4.11. Make and type of air pressure sensor Make and type of air pressure sensor Make and type of air pressure sensor
3.2.4.3.4.12. Software calibration number(s) Software calibration number(s) Software calibration number(s)
3.2.4.3.5. Injectors: opening pressure (5) (kPa) or characteristic diagram (5) Injectors: opening pressure (5) (kPa) or characteristic diagram (5) Injectors: opening pressure (5) (kPa) or characteristic diagram (5)
3.2.4.3.5.1. Make Make Make
3.2.4.3.5.2. Type Type Type
3.2.4.3.6. Injection timing Injection timing Injection timing
3.2.4.3.7. Cold start system Cold start system Cold start system
3.2.4.3.7.1. Operating principle(s) Operating principle(s) Operating principle(s)
3.2.4.3.7.2. Operating limits/settings (1) (5) Operating limits/settings (1) (5) Operating limits/settings (1) (5)
3.2.4.4. Feed pump Feed pump Feed pump
3.2.4.4.1. Pressure (5) (kPa) or characteristic diagram (5) Pressure (5) (kPa) or characteristic diagram (5) Pressure (5) (kPa) or characteristic diagram (5)
3.2.5. Electrical system Electrical system Electrical system
3.2.5.1. Rated voltage (V), positive/negative ground (1) Rated voltage (V), positive/negative ground (1) Rated voltage (V), positive/negative ground (1)
3.2.5.2. Generator Generator Generator
3.2.5.2.1. Type Type Type
3.2.5.2.2. Nominal output (VA) Nominal output (VA) Nominal output (VA)
3.2.6. Ignition system (spark ignition engines only) Ignition system (spark ignition engines only) Ignition system (spark ignition engines only)
3.2.6.1. Make(s) Make(s) Make(s)
3.2.6.2. Type(s) Type(s) Type(s)
3.2.6.3. Working principle Working principle Working principle
3.2.6.4. Ignition advance curve or map (5) Ignition advance curve or map (5) Ignition advance curve or map (5)
3.2.6.5. Static ignition timing (5) (degrees before TDC) Static ignition timing (5) (degrees before TDC) Static ignition timing (5) (degrees before TDC)
3.2.6.6. Spark plugs Spark plugs Spark plugs
3.2.6.6.1. Make Make Make
3.2.6.6.2. Type Type Type
3.2.6.6.3. Gap setting (mm) Gap setting (mm) Gap setting (mm)
3.2.6.7. Ignition coil(s) Ignition coil(s) Ignition coil(s)
3.2.6.7.1. Make Make Make
3.2.6.7.2. Type Type Type
3.2.7. Cooling system: liquid/air (1) Cooling system: liquid/air (1) Cooling system: liquid/air (1)
3.2.7.2. Liquid Liquid Liquid
3.2.7.2.1. Nature of liquid Nature of liquid Nature of liquid
3.2.7.2.2. Circulating pump(s): Yes/No (1) Circulating pump(s): Yes/No (1) Circulating pump(s): Yes/No (1)
3.2.7.2.3. Characteristics Characteristics Characteristics
3.2.7.2.3.1. Make(s) Make(s) Make(s)
3.2.7.2.3.2. Type(s) Type(s) Type(s)
3.2.7.2.4. Drive ratio(s) Drive ratio(s) Drive ratio(s)
3.2.7.3. Air Air Air
3.2.7.3.1. Fan: Yes/No (1) Fan: Yes/No (1) Fan: Yes/No (1)
3.2.7.3.2. Characteristics Characteristics Characteristics
3.2.7.3.2.1. Make(s) Make(s) Make(s)
3.2.7.3.2.2. Type(s) Type(s) Type(s)
3.2.7.3.3. Drive ratio(s) Drive ratio(s) Drive ratio(s)
3.2.8. Intake system Intake system Intake system
3.2.8.1. Pressure charger: Yes/No (1) Pressure charger: Yes/No (1) Pressure charger: Yes/No (1)
3.2.8.1.1. Make(s) Make(s) Make(s)
3.2.8.1.2. Type(s) Type(s) Type(s)
3.2.8.1.3. Description of the system (e.g. maximum charge pressure … kPa, wastegate, if applicable) Description of the system (e.g. maximum charge pressure … kPa, wastegate, if applicable) Description of the system (e.g. maximum charge pressure … kPa, wastegate, if applicable)
3.2.8.2. Intercooler: Yes/No (1) Intercooler: Yes/No (1) Intercooler: Yes/No (1)
3.2.8.2.1. Type: air-air/air-water (1) Type: air-air/air-water (1) Type: air-air/air-water (1)
3.2.8.3. Intake depression at rated engine speed and at 100 % load (compression ignition engines only) Intake depression at rated engine speed and at 100 % load (compression ignition engines only) Intake depression at rated engine speed and at 100 % load (compression ignition engines only)
3.2.8.3.1. Minimum allowable (kPa) Minimum allowable (kPa) Minimum allowable (kPa)
3.2.8.3.2. Maximum allowable (kPa) Maximum allowable (kPa) Maximum allowable (kPa)
3.2.8.4. Description and drawings of inlet pipes and their accessories (plenum chamber, heating device, additional air intakes, etc.) Description and drawings of inlet pipes and their accessories (plenum chamber, heating device, additional air intakes, etc.) Description and drawings of inlet pipes and their accessories (plenum chamber, heating device, additional air intakes, etc.)
3.2.8.4.1. Intake manifold description (include drawings and/or photos) Intake manifold description (include drawings and/or photos) Intake manifold description (include drawings and/or photos)
3.2.9. Exhaust system Exhaust system Exhaust system
3.2.9.1. Description and/or drawings of the exhaust manifold Description and/or drawings of the exhaust manifold Description and/or drawings of the exhaust manifold
3.2.9.2. Description and/or drawing of the exhaust system Description and/or drawing of the exhaust system Description and/or drawing of the exhaust system
3.2.9.2.1. Description and/or drawing of the elements of the exhaust system that are part of the engine system Description and/or drawing of the elements of the exhaust system that are part of the engine system Description and/or drawing of the elements of the exhaust system that are part of the engine system
3.2.9.3. Maximum allowable exhaust back pressure at rated engine speed and at 100 % load (compression ignition engines only)(kPa) (7) Maximum allowable exhaust back pressure at rated engine speed and at 100 % load (compression ignition engines only)(kPa) (7) Maximum allowable exhaust back pressure at rated engine speed and at 100 % load (compression ignition engines only)(kPa) (7)
3.2.9.7. Exhaust system volume (dm3) Exhaust system volume (dm3) Exhaust system volume (dm3)
3.2.9.7.1. Acceptable Exhaust system volume: (dm3) Acceptable Exhaust system volume: (dm3) Acceptable Exhaust system volume: (dm3)
3.2.10. Minimum cross-sectional areas of inlet and outlet ports and port geometry Minimum cross-sectional areas of inlet and outlet ports and port geometry Minimum cross-sectional areas of inlet and outlet ports and port geometry
3.2.11. Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data Valve timing or equivalent data
3.2.11.1. Maximum lift of valves, angles of opening and closing, or timing details of alternative distribution systems, in relation to dead centers. For variable timing system, minimum and maximum timing Maximum lift of valves, angles of opening and closing, or timing details of alternative distribution systems, in relation to dead centers. For variable timing system, minimum and maximum timing Maximum lift of valves, angles of opening and closing, or timing details of alternative distribution systems, in relation to dead centers. For variable timing system, minimum and maximum timing
3.2.11.2. Reference and/or setting range (7) Reference and/or setting range (7) Reference and/or setting range (7)
3.2.12. Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution Measures taken against air pollution
3.2.12.1.1. Device for recycling crankcase gases: Yes/No (1) If yes, description and drawings If no, compliance with paragraph 6.10 of Annex 4 to UN Regulation No. 49 required Device for recycling crankcase gases: Yes/No (1) If yes, description and drawings If no, compliance with paragraph 6.10 of Annex 4 to UN Regulation No. 49 required Device for recycling crankcase gases: Yes/No (1) If yes, description and drawings If no, compliance with paragraph 6.10 of Annex 4 to UN Regulation No. 49 required
3.2.12.2. Additional pollution control devices (if any, and if not covered by another heading) Additional pollution control devices (if any, and if not covered by another heading) Additional pollution control devices (if any, and if not covered by another heading)
3.2.12.2.1. Catalytic converter: Yes/No (1) Catalytic converter: Yes/No (1) Catalytic converter: Yes/No (1)
3.2.12.2.1.1. Number of catalytic converters and elements (provide this information below for each separate unit) Number of catalytic converters and elements (provide this information below for each separate unit) Number of catalytic converters and elements (provide this information below for each separate unit)
3.2.12.2.1.2. Dimensions, shape and volume of the catalytic converter(s) Dimensions, shape and volume of the catalytic converter(s) Dimensions, shape and volume of the catalytic converter(s)
3.2.12.2.1.3. Type of catalytic action Type of catalytic action Type of catalytic action
3.2.12.2.1.4. Total charge of precious metals Total charge of precious metals Total charge of precious metals
3.2.12.2.1.5. Relative concentration Relative concentration Relative concentration
3.2.12.2.1.6. Substrate (structure and material) Substrate (structure and material) Substrate (structure and material)
3.2.12.2.1.7. Cell density Cell density Cell density
3.2.12.2.1.8. Type of casing for the catalytic converter(s) Type of casing for the catalytic converter(s) Type of casing for the catalytic converter(s)
3.2.12.2.1.9. Location of the catalytic converter(s) (place and reference distance in the exhaust line) Location of the catalytic converter(s) (place and reference distance in the exhaust line) Location of the catalytic converter(s) (place and reference distance in the exhaust line)
3.2.12.2.1.10. Heat shield: Yes/No (1) Heat shield: Yes/No (1) Heat shield: Yes/No (1)
3.2.12.2.1.11. Regeneration systems/method of exhaust after treatment systems, description Regeneration systems/method of exhaust after treatment systems, description Regeneration systems/method of exhaust after treatment systems, description
3.2.12.2.1.11.5. Normal operating temperature range (K) Normal operating temperature range (K) Normal operating temperature range (K)
3.2.12.2.1.11.6. Consumable reagents: Yes/No (1) Consumable reagents: Yes/No (1) Consumable reagents: Yes/No (1)
3.2.12.2.1.11.7. Type and concentration of reagent needed for catalytic action Type and concentration of reagent needed for catalytic action Type and concentration of reagent needed for catalytic action
3.2.12.2.1.11.8. Normal operational temperature range of reagent K Normal operational temperature range of reagent K Normal operational temperature range of reagent K
3.2.12.2.1.11.9. International standard International standard International standard
3.2.12.2.1.11.10. Frequency of reagent refill: continuous/maintenance (1) Frequency of reagent refill: continuous/maintenance (1) Frequency of reagent refill: continuous/maintenance (1)
3.2.12.2.1.12. Make of catalytic converter Make of catalytic converter Make of catalytic converter
3.2.12.2.1.13. Identifying part number Identifying part number Identifying part number
3.2.12.2.2. Oxygen sensor: Yes/No (1) Oxygen sensor: Yes/No (1) Oxygen sensor: Yes/No (1)
3.2.12.2.2.1. Make Make Make
3.2.12.2.2.2. Location Location Location
3.2.12.2.2.3. Control range Control range Control range
3.2.12.2.2.4. Type Type Type
3.2.12.2.2.5. Indentifying part number Indentifying part number Indentifying part number
3.2.12.2.3. Air injection: Yes/No (1) Air injection: Yes/No (1) Air injection: Yes/No (1)
3.2.12.2.3.1. Type (pulse air, air pump, etc.) Type (pulse air, air pump, etc.) Type (pulse air, air pump, etc.)
3.2.12.2.4. Exhaust gas recirculation (EGR): Yes/No (1) Exhaust gas recirculation (EGR): Yes/No (1) Exhaust gas recirculation (EGR): Yes/No (1)
3.2.12.2.4.1. Characteristics (make, type, flow, etc) Characteristics (make, type, flow, etc) Characteristics (make, type, flow, etc)
3.2.12.2.6. Particulate trap (PT): Yes/No (1) Particulate trap (PT): Yes/No (1) Particulate trap (PT): Yes/No (1)
3.2.12.2.6.1. Dimensions, shape and capacity of the particulate trap Dimensions, shape and capacity of the particulate trap Dimensions, shape and capacity of the particulate trap
3.2.12.2.6.2. Design of the particulate trap Design of the particulate trap Design of the particulate trap
3.2.12.2.6.3. Location (reference distance in the exhaust line) Location (reference distance in the exhaust line) Location (reference distance in the exhaust line)
3.2.12.2.6.4. Method or system of regeneration, description and/or drawing Method or system of regeneration, description and/or drawing Method or system of regeneration, description and/or drawing
3.2.12.2.6.5. Make of particulate trap Make of particulate trap Make of particulate trap
3.2.12.2.6.6. Indentifying part number Indentifying part number Indentifying part number
3.2.12.2.6.7. Normal operating temperature (K) and pressure (kPa) ranges Normal operating temperature (K) and pressure (kPa) ranges Normal operating temperature (K) and pressure (kPa) ranges
3.2.12.2.6.8. In the case of periodic regeneration In the case of periodic regeneration In the case of periodic regeneration
3.2.12.2.6.8.1.1. Number of WHTC test cycles without regeneration (n) Number of WHTC test cycles without regeneration (n) Number of WHTC test cycles without regeneration (n)
3.2.12.2.6.8.2.1. Number of WHTC test cycles with regeneration (nR) Number of WHTC test cycles with regeneration (nR) Number of WHTC test cycles with regeneration (nR)
3.2.12.2.6.9. Other systems: Yes/No (1) Other systems: Yes/No (1) Other systems: Yes/No (1)
3.2.12.2.6.9.1. Description and operation Description and operation Description and operation
3.2.12.2.7. If applicable, manufacturer’s reference to the documentation for installing the dual-fuel engine in a vehicle If applicable, manufacturer’s reference to the documentation for installing the dual-fuel engine in a vehicle If applicable, manufacturer’s reference to the documentation for installing the dual-fuel engine in a vehicle
3.2.17. Specific information related to gas fuelled engines and dual-fuel engines for heavy-duty vehicles (in the case of systems laid out in a different manner, supply equivalent information) Specific information related to gas fuelled engines and dual-fuel engines for heavy-duty vehicles (in the case of systems laid out in a different manner, supply equivalent information) Specific information related to gas fuelled engines and dual-fuel engines for heavy-duty vehicles (in the case of systems laid out in a different manner, supply equivalent information)
3.2.17.1. Fuel: LPG /NG-H/NG-L /NG-HL/ Hydrogen (T) /Hydrogen (TD) /Hydrogen (U) /Hydrogen (UD)(1)(11) Fuel: LPG /NG-H/NG-L /NG-HL/ Hydrogen (T) /Hydrogen (TD) /Hydrogen (U) /Hydrogen (UD)(1)(11) Fuel: LPG /NG-H/NG-L /NG-HL/ Hydrogen (T) /Hydrogen (TD) /Hydrogen (U) /Hydrogen (UD)(1)(11)
3.2.17.2. Pressure regulator(s) or vaporiser/pressure regulator(s) (1) Pressure regulator(s) or vaporiser/pressure regulator(s) (1) Pressure regulator(s) or vaporiser/pressure regulator(s) (1)
3.2.17.2.1. Make(s) Make(s) Make(s)
3.2.17.2.2. Type(s) Type(s) Type(s)
3.2.17.2.3. Number of pressure reduction stages Number of pressure reduction stages Number of pressure reduction stages
3.2.17.2.4. Pressure in final stage minimum (kPa) – maximum. (kPa) Pressure in final stage minimum (kPa) – maximum. (kPa) Pressure in final stage minimum (kPa) – maximum. (kPa)
3.2.17.2.5. Number of main adjustment points Number of main adjustment points Number of main adjustment points
3.2.17.2.6. Number of idle adjustment points Number of idle adjustment points Number of idle adjustment points
3.2.17.2.7. Type approval number Type approval number Type approval number
3.2.17.3. Fuelling system: mixing unit / gas injection / liquid injection / direct injection (1) Fuelling system: mixing unit / gas injection / liquid injection / direct injection (1) Fuelling system: mixing unit / gas injection / liquid injection / direct injection (1)
3.2.17.3.1. Mixture strength regulation Mixture strength regulation Mixture strength regulation
3.2.17.3.2. System description and/or diagram and drawings System description and/or diagram and drawings System description and/or diagram and drawings
3.2.17.3.3. Type approval number Type approval number Type approval number
3.2.17.4. Mixing unit Mixing unit Mixing unit
3.2.17.4.1. Number Number Number
3.2.17.4.2. Make(s) Make(s) Make(s)
3.2.17.4.3. Type(s) Type(s) Type(s)
3.2.17.4.4. Location Location Location
3.2.17.4.5. Adjustment possibilities Adjustment possibilities Adjustment possibilities
3.2.17.4.6. Type approval number Type approval number Type approval number
3.2.17.5. Inlet manifold injection Inlet manifold injection Inlet manifold injection
3.2.17.5.1. Injection: single point/multipoint (1) Injection: single point/multipoint (1) Injection: single point/multipoint (1)
3.2.17.5.2. Injection: continuous/simultaneously timed/sequentially timed (1) Injection: continuous/simultaneously timed/sequentially timed (1) Injection: continuous/simultaneously timed/sequentially timed (1)
3.2.17.5.3. Injection equipment Injection equipment Injection equipment
3.2.17.5.3.1. Make(s) Make(s) Make(s)
3.2.17.5.3.2. Type(s) Type(s) Type(s)
3.2.17.5.3.3. Adjustment possibilities Adjustment possibilities Adjustment possibilities
3.2.17.5.3.4. Type approval number Type approval number Type approval number
3.2.17.5.4. Supply pump (if applicable) Supply pump (if applicable) Supply pump (if applicable)
3.2.17.5.4.1. Make(s) Make(s) Make(s)
3.2.17.5.4.2. Type(s) Type(s) Type(s)
3.2.17.5.4.3. Type approval number Type approval number Type approval number
3.2.17.5.5. Injector(s) Injector(s) Injector(s)
3.2.17.5.5.1. Make(s) Make(s) Make(s)
3.2.17.5.5.2. Type(s) Type(s) Type(s)
3.2.17.5.5.3. Type approval number Type approval number Type approval number
3.2.17.6. Direct injection Direct injection Direct injection
3.2.17.6.1. Injection pump/pressure regulator (1) Injection pump/pressure regulator (1) Injection pump/pressure regulator (1)
3.2.17.6.1.1. Make(s) Make(s) Make(s)
3.2.17.6.1.2. Type(s) Type(s) Type(s)
3.2.17.6.1.3. Injection timing Injection timing Injection timing
3.2.17.6.1.4. Type approval number Type approval number Type approval number
3.2.17.6.2. Injector(s) Injector(s) Injector(s)
3.2.17.6.2.1. Make(s) Make(s) Make(s)
3.2.17.6.2.2. Type(s) Type(s) Type(s)
3.2.17.6.2.3. Opening pressure or characteristic diagram (1) Opening pressure or characteristic diagram (1) Opening pressure or characteristic diagram (1)
3.2.17.6.2.4. Type approval number Type approval number Type approval number
3.2.17.7. Electronic control unit (ECU) Electronic control unit (ECU) Electronic control unit (ECU)
3.2.17.7.1. Make(s) Make(s) Make(s)
3.2.17.7.2. Type(s) Type(s) Type(s)
3.2.17.7.3. Adjustment possibilities Adjustment possibilities Adjustment possibilities
3.2.17.7.4. Software calibration number(s) Software calibration number(s) Software calibration number(s)
3.2.17.8. NG fuel-specific equipment NG fuel-specific equipment NG fuel-specific equipment
3.2.17.8.1. Variant 1 (only in the case of approvals of engines for several specific fuel compositions) Variant 1 (only in the case of approvals of engines for several specific fuel compositions) Variant 1 (only in the case of approvals of engines for several specific fuel compositions)
3.2.17.8.1.0.1. Self-adaptive feature? Yes/No (1) Self-adaptive feature? Yes/No (1) Self-adaptive feature? Yes/No (1)
————— ————— ————— ————— ————— ————— ————— ————— ————— ————— —————
3.2.17.8.1.1. methane (CH4) … basis (%mole) ethane (C2H6) … basis (%mole) propane (C3H8) … basis (%mole) butane (C4H10) … basis (%mole) C5/C5+: … basis (%mole) oxygen (O2) … basis (%mole) inert (N2, He etc) … basis (%mole) methane (CH4) … basis (%mole) ethane (C2H6) … basis (%mole) propane (C3H8) … basis (%mole) butane (C4H10) … basis (%mole) C5/C5+: … basis (%mole) oxygen (O2) … basis (%mole) inert (N2, He etc) … basis (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) min (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole) max (%mole)
3.5.5. Specific fuel consumption, specific CO2 emissions and correction factors Specific fuel consumption, specific CO2 emissions and correction factors Specific fuel consumption, specific CO2 emissions and correction factors
3.5.5.1. Specific fuel consumption over WHSC ‘SFCWHSC’ in accordance with paragraph 5.3.3 g/kWh (9) Specific fuel consumption over WHSC ‘SFCWHSC’ in accordance with paragraph 5.3.3 g/kWh (9) Specific fuel consumption over WHSC ‘SFCWHSC’ in accordance with paragraph 5.3.3 g/kWh (9)
3.5.5.2. Corrected specific fuel consumption over WHSC ‘SFCWHSC, corr’ in accordance with paragraph 5.3.3.1: … g/kWh (9) Corrected specific fuel consumption over WHSC ‘SFCWHSC, corr’ in accordance with paragraph 5.3.3.1: … g/kWh (9) Corrected specific fuel consumption over WHSC ‘SFCWHSC, corr’ in accordance with paragraph 5.3.3.1: … g/kWh (9)
3.5.5.2.1. For dual-fuel engines operated with natural gas or LPG: Specific CO2 emissions over the WHSC in accordance with point 6.1 of Appendix 4 g/kWh For dual-fuel engines operated with natural gas or LPG: Specific CO2 emissions over the WHSC in accordance with point 6.1 of Appendix 4 g/kWh For dual-fuel engines operated with natural gas or LPG: Specific CO2 emissions over the WHSC in accordance with point 6.1 of Appendix 4 g/kWh
3.5.5.2.2. For dual-fuel engines operated with hydrogen: Specific energy consumption over the WHSC in accordance with point 6.2 of Appendix 4 MJ/kWh For dual-fuel engines operated with hydrogen: Specific energy consumption over the WHSC in accordance with point 6.2 of Appendix 4 MJ/kWh For dual-fuel engines operated with hydrogen: Specific energy consumption over the WHSC in accordance with point 6.2 of Appendix 4 MJ/kWh
3.5.5.2.3. For dual-fuel engines operated with hydrogen: Specific diesel consumption over the WHSC, SFCWHSC,corr, determined in accordance with point 6 of Appendix 4 g/kWh For dual-fuel engines operated with hydrogen: Specific diesel consumption over the WHSC, SFCWHSC,corr, determined in accordance with point 6 of Appendix 4 g/kWh For dual-fuel engines operated with hydrogen: Specific diesel consumption over the WHSC, SFCWHSC,corr, determined in accordance with point 6 of Appendix 4 g/kWh
3.5.5.3. Correction factor for WHTC urban part (from output of engine pre-processing tool) (9) Correction factor for WHTC urban part (from output of engine pre-processing tool) (9) Correction factor for WHTC urban part (from output of engine pre-processing tool) (9)
3.5.5.4. Correction factor for WHTC rural part (from output of engine pre-processing tool) (9) Correction factor for WHTC rural part (from output of engine pre-processing tool) (9) Correction factor for WHTC rural part (from output of engine pre-processing tool) (9)
3.5.5.5. Correction factor for WHTC motorway part (from output of engine pre-processing tool) (9) Correction factor for WHTC motorway part (from output of engine pre-processing tool) (9) Correction factor for WHTC motorway part (from output of engine pre-processing tool) (9)
3.5.5.6. Cold-hot emission balancing factor (from output of engine pre-processing tool) (9) Cold-hot emission balancing factor (from output of engine pre-processing tool) (9) Cold-hot emission balancing factor (from output of engine pre-processing tool) (9)
3.5.5.7. Correction factor for engines equipped with exhaust after-treatment systems that are regenerated on a periodic basis CFRegPer (from output of engine pre-processing tool) (9) Correction factor for engines equipped with exhaust after-treatment systems that are regenerated on a periodic basis CFRegPer (from output of engine pre-processing tool) (9) Correction factor for engines equipped with exhaust after-treatment systems that are regenerated on a periodic basis CFRegPer (from output of engine pre-processing tool) (9)
3.5.5.8. Correction factor to standard NCV (from output of engine pre-processing tool) (9) Correction factor to standard NCV (from output of engine pre-processing tool) (9) Correction factor to standard NCV (from output of engine pre-processing tool) (9)
3.6. Temperatures permitted by the manufacturer Temperatures permitted by the manufacturer Temperatures permitted by the manufacturer
3.6.1. Cooling system Cooling system Cooling system
3.6.1.1. Liquid cooling Maximum temperature at outlet (K) Liquid cooling Maximum temperature at outlet (K) Liquid cooling Maximum temperature at outlet (K)
3.6.1.2. Air cooling Air cooling Air cooling
3.6.1.2.1. Reference point Reference point Reference point
3.6.1.2.2. Maximum temperature at reference point (K) Maximum temperature at reference point (K) Maximum temperature at reference point (K)
3.6.2. Maximum outlet temperature of the inlet intercooler (K) Maximum outlet temperature of the inlet intercooler (K) Maximum outlet temperature of the inlet intercooler (K)
3.6.3. Maximum exhaust temperature at the point in the exhaust pipe(s) adjacent to the outer flange(s) of the exhaust manifold(s) or turbocharger(s) (K) Maximum exhaust temperature at the point in the exhaust pipe(s) adjacent to the outer flange(s) of the exhaust manifold(s) or turbocharger(s) (K) Maximum exhaust temperature at the point in the exhaust pipe(s) adjacent to the outer flange(s) of the exhaust manifold(s) or turbocharger(s) (K)
3.6.4. Fuel temperature Minimum (K) – maximum (K) For diesel engines at injection pump inlet, for gas fuelled engines at pressure regulator final stage Fuel temperature Minimum (K) – maximum (K) For diesel engines at injection pump inlet, for gas fuelled engines at pressure regulator final stage Fuel temperature Minimum (K) – maximum (K) For diesel engines at injection pump inlet, for gas fuelled engines at pressure regulator final stage
3.6.5. Lubricant temperature Minimum (K) – maximum (K) Lubricant temperature Minimum (K) – maximum (K) Lubricant temperature Minimum (K) – maximum (K)
3.8. Lubrication system Lubrication system Lubrication system
3.8.1. Description of the system Description of the system Description of the system
3.8.1.1. Position of lubricant reservoir Position of lubricant reservoir Position of lubricant reservoir
3.8.1.2. Feed system (by pump/injection into intake/mixing with fuel, etc.) (1) Feed system (by pump/injection into intake/mixing with fuel, etc.) (1) Feed system (by pump/injection into intake/mixing with fuel, etc.) (1)
3.8.2. Lubricating pump Lubricating pump Lubricating pump
3.8.2.1. Make(s) Make(s) Make(s)
3.8.2.2. Type(s) Type(s) Type(s)
3.8.3. Mixture with fuel Mixture with fuel Mixture with fuel
3.8.3.1. Percentage Percentage Percentage
3.8.4. Oil cooler: Yes/No (1) Oil cooler: Yes/No (1) Oil cooler: Yes/No (1)
3.8.4.1. Drawing(s) Drawing(s) Drawing(s)
3.8.4.1.1. Make(s) Make(s) Make(s)
3.8.4.1.2. Type(s) Type(s) Type(s)
3.9 WHR System WHR System WHR System
3.9.1 Type of WHR system: WHR_no_ext, WHR_mech, WHR_elec Type of WHR system: WHR_no_ext, WHR_mech, WHR_elec Type of WHR system: WHR_no_ext, WHR_mech, WHR_elec
3.9.2 Operation principle Operation principle Operation principle
3.9.3 Description of the system Description of the system Description of the system
3.9.4 Evaporator type (10) Evaporator type (10) Evaporator type (10)
3.9.5 LEW in accordance with 3.1.6.2(a) LEW in accordance with 3.1.6.2(a) LEW in accordance with 3.1.6.2(a)
3.9.6 LmaxEW in accordance with 3.1.6.2(a) LmaxEW in accordance with 3.1.6.2(a) LmaxEW in accordance with 3.1.6.2(a)
3.9.7 Turbine type Turbine type Turbine type
3.9.8 LET in accordance with 3.1.6.2(b) LET in accordance with 3.1.6.2(b) LET in accordance with 3.1.6.2(b)
3.9.9 LmaxET in accordance with 3.1.6.2(b) LmaxET in accordance with 3.1.6.2(b) LmaxET in accordance with 3.1.6.2(b)
3.9.10 Expander type Expander type Expander type
3.9.11 LHE in accordance with 3.1.6.2(c)(i) LHE in accordance with 3.1.6.2(c)(i) LHE in accordance with 3.1.6.2(c)(i)
3.9.12 LmaxHE in accordance with 3.1.6.2(c)(i) LmaxHE in accordance with 3.1.6.2(c)(i) LmaxHE in accordance with 3.1.6.2(c)(i)
3.9.13 Condenser type Condenser type Condenser type
3.9.14 LEC in accordance with 3.1.6.2(c)(ii) LEC in accordance with 3.1.6.2(c)(ii) LEC in accordance with 3.1.6.2(c)(ii)
3.9.15 LmaxEC in accordance with 3.1.6.2(c)(ii) LmaxEC in accordance with 3.1.6.2(c)(ii) LmaxEC in accordance with 3.1.6.2(c)(ii)
3.9.16 LCE in accordance with 3.1.6.2(c)(iii) LCE in accordance with 3.1.6.2(c)(iii) LCE in accordance with 3.1.6.2(c)(iii)
3.9.17 LmaxCE in accordance with 3.1.6.2(c)(iii) LmaxCE in accordance with 3.1.6.2(c)(iii) LmaxCE in accordance with 3.1.6.2(c)(iii)
3.9.18 Rotational speed at which the net mechanical power was measured for WHR_mech systems in accordance with 3.1.6.2(f) Rotational speed at which the net mechanical power was measured for WHR_mech systems in accordance with 3.1.6.2(f) Rotational speed at which the net mechanical power was measured for WHR_mech systems in accordance with 3.1.6.2(f)

Notes:

  • (1)Delete where not applicable (there are cases where nothing needs to be deleted when more than one entry is applicable).
  • (3)This figure shall be rounded off to the nearest tenth of a millimetre.
  • (4)This value shall be calculated and rounded off to the nearest cm3.
  • (5)Specify the tolerance.
  • (6)Determined in accordance with the requirements of Regulation No. 85.
  • (7)Please fill in here the upper and lower values for each variant.
  • (8)To be documented in case of a single OBD engine family and if not already documented in the documentation package(s) referred to in line 3.2.12.2.7.0.4. of Part 1 of this Appendix.

- (9)For dual-fuel engines indicate values for each fuel type and each operation mode separately.

- (10)For other WHR systems this shall reflect the heat exchanger type in accordance with 3.1.6.2(d).

- (11)For hydrogen fuelled engines the letters T, TD, U and UD correspond to the following:
  • (a) T in case of a PI engine being approved and calibrated for gaseous hydrogen
  • (b) TD in case of a CI engine being approved and calibrated for gaseous hydrogen
  • (c) U in case of a PI engine being approved and calibrated for liquefied hydrogen
- (d) UD in case of a CI engine being approved and calibrated for liquefied hydrogen

Appendix to information document

Information on test conditions

1. Spark plugs
  • 1.1. Make
  • 1.2. Type
  • 1.3. Spark-gap setting
2. Ignition coil
  • 2.1. Make
  • 2.2. Type
3.

Lubricant used

  • 3.1. Make
- 3.2. Type (state percentage of oil in mixture if lubricant and fuel mixed)
  • 3.3. Specifications of lubricant
4.

Test fuel used ([^E0038])

  • 4.1. Fuel type (in accordance with paragraph 6.1.9 of Annex V to Commission Regulation (EU) 2017/2400)
  • 4.2. Unique identification number (production batch number) of fuel used
  • 4.3. Net calorific value (NCV) (in accordance with paragraph 6.1.8 of Annex V to Commission Regulation (EU) 2017/2400)
  • 4.4. Reference fuel type (type of reference fuel used for testing in accordance with point 3.2 of Annex V to Commission Regulation (EU) 2017/2400)
5.

Engine-driven equipment

  • 5.1. The power absorbed by the auxiliaries/equipment needs only be determined,
  • (a) If auxiliaries/equipment required are not fitted to the engine and/or
  • (b) If auxiliaries/equipment not required are fitted to the engine.
  • Note: Requirements for engine-driven equipment differ between emissions test and power test
  • 5.2. Enumeration and identifying details
  • 5.3. Power absorbed at engine speeds specific for emissions test

Table 1

Power absorbed at engine speeds specific for emissions test

| Equipment | | | | | |

| --- | --- | --- | --- | --- | --- | | | Idle | Low speed | High speed | Preferred speed (2) | n95h | | Pa Auxiliaries/equipment required according to Annex 4, Appendix 6 of  UN Regulation No. 49 | | | | | | | Pb Auxiliaries/equipment not required according to Annex 4, Appendix 6 of  UN Regulation No. 49 | | | | | |

- 5.4. Fan constant determined in accordance with Appendix 5 to this Annex (if applicable)
  • 5.4.1. Cavg-fan (if applicable)
  • 5.4.2. Cind-fan (if applicable)

Table 2

Value of fan constant Cind-fan for different engine speeds

Value Engine speed Engine speed Engine speed Engine speed Engine speed Engine speed Engine speed Engine speed Engine speed Engine speed
Value 1 2 3 4 5 6 7 8 9 10
engine speed [min– 1]
fan constant Cind-fan,i
6. Engine performance (declared by manufacturer)

6.1.   Engine test speeds for emissions test (for dual-fuel engines performed in dual-fuel mode) in accordance with Annex 4 to UN Regulation No. 49 ([^E0039])

  • Low speed (nlo) … min– 1
  • High speed (nhi) … min– 1
  • Idle speed … min– 1
  • Preferred speed … min– 1

- n95h … min– 1

6.2.   Declared values for power test (for dual-fuel engines performed in dual-fuel mode) in accordance with UN Regulation No. 85 ([^E0040])

- Idle speed … min– 1
  • Speed at maximum power … min– 1
  • Maximum power … kW
  • Speed at maximum torque … min– 1
  • Maximum torque … Nm
Appendix 3

Engine CO2-Family

1.

Parameters defining the engine CO2-family

The engine CO2-family, as determined by the manufacturer, shall comply with the membership criteria defined in accordance with paragraph 5.2.3 of Annex 4 to UN Regulation No. 49. An engine CO2-family may consist of only one engine.

In the case of a dual-fuel engine, the engine CO2-family shall also comply with the additional requirements of paragraph 3.1.1 of Annex 15 to UN Regulation No. 49.

In addition to those membership criteria, the engine CO2-family, as determined by the manufacturer, shall comply with the membership criteria listed in points 1.1 to 1.10.

In addition to the parameters listed in points 1.1 to 1.10, the manufacturer may introduce additional criteria allowing the definition of families of more restricted size. These parameters are not necessarily parameters that have an influence on the level of fuel consumption.

1.1.   Combustion relevant geometric data

  • 1.1.1. Displacement per cylinder
- 1.1.2. Number of cylinders
  • 1.1.3. Bore and stroke data
  • 1.1.4. Combustion chamber geometry and compression ratio
  • 1.1.5. Valve diameters and port geometry
  • 1.1.6. Fuel injectors (design and position)
  • 1.1.7. Cylinder head design
  • 1.1.8. Piston and piston ring design

1.2.   Air management relevant components

  • 1.2.1. Pressure charging equipment type (waste gate, VTG, 2-stage, other) and thermodynamic characteristics
  • 1.2.2. Charge air cooling concept
  • 1.2.3. Valve timing concept (fixed, partly flexible, flexible)
  • 1.2.4. EGR concept (uncooled/cooled, high/low pressure, EGR-control)
  • 1.3. Injection system
  • 1.4. Auxiliary/equipment propulsion concept (mechanically, electrically, other)
  • 1.5. Waste heat recovery system(s)
  • 1.5.1. Type of WHR system(s) (defined in accordance with point 2 of this Annex)
  • 1.5.2. Setup of WHR system for testing in accordance with point 3.1.6 of this Annex
  • 1.5.3. Type of turbine of WHR system(s)
  • 1.5.4. Type of evaporator of WHR system(s)
  • 1.5.5. Type of expander of WHR system(s)
  • 1.5.6. Type of condenser of WHR system(s)
  • 1.5.7. Type of pump of WHR system(s)
  • 1.5.8. LEW in accordance with 3.1.6.2(a) of this Annex for all other engines within the same CO2-family shall be equal or higher than for the CO2-parent engine
  • 1.5.9. LET in accordance with 3.1.6.2(b) of this Annex for all other engines within the same CO2-family shall be equal or higher than for the CO2-parent engine
  • 1.5.10. LHE in accordance with 3.1.6.2(c)(i) of this Annex for all other engines within the same CO2-family shall be equal or higher than for the CO2-parent engine
  • 1.5.11. LEC in accordance with 3.1.6.2(c)(ii) of this Annex for all other engines within the same CO2-family shall be equal or smaller than for the CO2-parent engine
  • 1.5.12. LCE in accordance with 3.1.6.2(c)(iii) of this Annex for all other engines within the same CO2-family shall be equal or smaller than for the CO2-parent engine
  • 1.5.13. pcond in accordance with 3.1.6.2(c)(iv) of this Annex for all other engines within the same CO2-family shall be equal or higher than for the CO2-parent engine
  • 1.5.14. Pcool in accordance with 3.1.6.2(c)(v) of this Annex for all other engines within the same CO2-family shall be equal or higher than for the CO2-parent engine
  • 1.6. Aftertreatment system
  • 1.6.1. Reagent dosing system characteristics (reagent and dosing concept)
  • 1.6.2. Catalyst and DPF (arrangement, material and coating)
  • 1.6.3. HC dosing system characteristics (design and dosing concept)
  • 1.7. Full load curve
  • 1.7.1. The torque values at each engine speed of the full load curve of the CO2-parent engine determined in accordance with paragraph 4.3.1. shall be equal or higher than for all other engine within the same CO2-family at the same engine speed over the whole engine speed range recorded.
  • 1.7.2. The torque values at each engine speed of the full load curve of the engine with the lowest power rating of all engines within the engine CO2-family determined in accordance with paragraph 4.3.1. shall be equal or lower than for all other engines within the same CO2-family at the same engine speed over the whole engine speed range recorded.
  • 1.7.3. Torque values within a tolerance band related to the reference described in points 1.7.1 and 1.7.2 are considered as equal. The tolerance band is defined as + 40 Nm or + 4 % of the CO2 parent engine torque at the particular engine speed, whichever is greater.
  • 1.8. Characteristic engine test speeds
  • 1.8.1. The engine idle speed, nidle, of the CO2-parent engine as declared by the manufacturer at the application for certification in the information document in accordance with point 3.2.1.6 of Appendix 2 to this Annex shall be equal or lower than for all other engines within the same CO2-family.

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