Circular 06/2021/TT-BGTVT QCVN 109:2021/BGTVT National technical regulation on the fifth level of gaseous pollutants emission for newly assembled, manufactured and imported automobiles

3.1.2. Heavy reference mass vehicles

3.1.2.1. Heavy reference mass vehicles with positive ignition engines

3.1.2.1.1. Vehicles fueled with petrol or bi fuel engine shall be subject to Type II, Type III and OBD tests mentioned in Articles 3.2.2, 3.2.3 and 3.2.6 Article 3 Part II of this Regulation.

3.1.2.1.2. Vehicles fueled with LPG or NG only shall be subject to ETC and OBD tests mentioned in Articles 3.3.2 and 3.3.3 Article 3 Part III of this Regulation and shall not be subject to particulate mass emission test.

3.1.2.2. Heavy reference mass vehicles with compression ignition engines

These vehicles shall be subject to ESC, ELR and ETC tests under TCVN 6567:2015 specified at Point 3.3.2 Article 3 Part III of this Regulation; OBD test specified at Point 3.3.3 Article 3 Part III of this Regulation and opacity test under TCVN 6565:2006 specified at Point 3.3.4 Article 3 Part III of this Regulation.

3.1.2.3. Extension of approvals for M1, N1, M2 and N2 that have a reference mass of not more than 2,840 kg

3.1.2.3.1. If these vehicles conform to the requirements specified in Article 7 Part III of this Regulation for extension to type approvals, at the manufacturer’s or importer’s request, results from type I test (TCVN 6785) for M1, M2, N1 and N2 vehicles may be used as an alternative to ESC, ELR and ETC tests according to TCVN 6567:2015.

3.1.2.3.1. Vehicles that are fueled with LPG or NG shall be tested for variation in the composition of LPG or NG, as specified in Annex L attached to TCVN 6785:2015. Bi-fuel vehicles shall be tested on both the fuels for variation in the composition of LPG or NG as specified in Annex L attached to TCVN 6785:2015. However, for mono-fuel vehicles, only type I test using gaseous fuels shall be carried out.

3.1.2.4. Pollutants must be tested for and tests must be carried out on each engine and fuel mentioned in Table 8 below.

Table 8. Application of tests under respective standards to vehicles

Note:

⁽¹⁾ only Type II and Type III tests carried out.

X: Applicable.

-: Not applicable.

3.1.3. Incomplete vehicles: emission tests on incomplete vehicles are applied similarly to complete vehicles (stated in Table 7 and Table 8, Part III of this Regulation) manufactured from the corresponding type. The application is regulated as follows:

3.1.3.1. For incomplete vehicles without cab: tests are carried out only on complete vehicles manufactured from incomplete vehicles without cab which are heavy reference mass vehicles. The application of corresponding tests shall comply with Point 3.2 and 3.3 Part III of this Regulation.

3.1.3.2. For incomplete vehicles with cab, the standards applicable thereto are specified in Table 9 below:

Table 9. Standards applicable to incomplete vehicles with cab

Notes:

⁽¹⁾ If the complete vehicle has a reference mass after being manufactured from the corresponding vehicle type in accordance with the registered reference mass, the complete vehicle shall be granted the type approval on the basis of results of testing of emissions from the incomplete vehicle.

⁽²⁾ The manufacturer or importer may register to test at the maximum load of the complete vehicle which meets the emission requirements.

3.2. Tests on light reference mass vehicles or heavy reference mass vehicles equipped with petrol engines(*)

3.2.1. Type I test: under Annex Q attached to TCVN 6785:2015 (not applicable to heavy reference mass vehicles equipped with petrol engines).

3.2.1.1. Requirements for characteristics of fuel for performance of tests are provided in Article 4 Part III of this Regulation. The method used to collect and analyze the gases and particulates shall be adopted in accordance with regulations

3.2.1.2. Vehicles equipped with a compression ignition engine must undergo a conditioning run before testing. For vehicles equipped with positive ignition engines using engines without direct fuel injection, conditioning is carried out if requested by the manufacturer or importer.

3.2.1.3. For vehicles subject to more than one test, the conditioning run needs to be repeated if the time from the end of the previous test to the next test is greater than 36 hours.

3.2.1.4. The test cycle is started immediately after the engine is started.

3.2.1.5. For vehicles equipped with an after-exhaust treatment system based on periodic regeneration, the results after testing must be multiplied by the regeneration factor Ki. Ki is determined by one of the following methods:

3.2.1.5.1. Accept the Ki coefficient from the manufacturer if the manufacturer or importer has sufficient documents to prove that the determination of Ki is in accordance with the provisions in Annex M attached to TCVN 6785:2015;

3.2.1.5.2. Carry out a test to determine Ki;

3.2.1.5.3. Use Ki 1.05 for all pollutants as requested by the manufacturer or importer.

3.2.1.5.4. At the request of the manufacturer or importer, the test procedure specific to periodically regenerating systems will not apply to a regenerative device if the manufacturer or importer proves that, during cycles where regeneration occurs, emissions remain below the standards given in Point 2.2 Article 2 Part II of this Regulation (the emissions depend on each category of vehicle).

3.2.1.6. For the continuously regenerating system, the emission test is the same as that carried out on vehicles without the periodically regenerating system.

3.2.1.7. The test shall be repeated three times. The results are multiplied by the appropriate deterioration factors obtained from Table 3 Part II of this Regulation, in case of periodically regenerating systems, also must be multiplied by the factors Ki obtained from Annex 12 attached to this Regulation. The resulting masses of gaseous emissions and PM (in case of vehicles equipped with compression-ignition engines) obtained in each test shall be less than the limits shown in the Table 1 or Table 2 Part II of this Regulation for each category of vehicle. However, for each pollutant or PM, one of the three resulting masses obtained may exceed, by not more than 10%, the limit specified in Table 1 or Table 2 Part II of this Regulation, provided the arithmetical mean of the three results is below the specified limit.

3.2.1.8. The number of tests mentioned above is reduced in the conditions hereinafter defined:

3.2.1.8.1. Only one test is performed if the test results for all the pollutants and PM are less than or equal to 0.70 L: V1 ≤ 0.70 L;

3.2.1.8.2. If the requirement mentioned is not satisfied, only two tests are performed if, for each pollutant or PM, the following requirements are met: V1 £ 0.85 L, V1 + V2 £ 1.70 L and V2 £ L, In which:

V1 is the result of the first test, V2 the result of the second test and L is the limit value for each pollutant or PM.

3.2.1.8.3. The routes for Type I test are illustrated in Annex H attached to this Regulation.

3.2.2. Type II test: under Annex E attached to TCVN 6785:2015.

3.2.2.1. Requirements for characteristics of fuel for performance of tests are provided in Article 4 Part III of this Regulation.

3.2.2.2. The exhaust emission test result obtained from this test shall comply with the regulation on CO content specified at Point 2.3 Article 2 Part II of this Regulation.

3.2.3. Type III test: under Annex F attached to TCVN 6785:2015.

3.2.3.1. Requirements for characteristics of fuel for performance of tests are provided in Article 4 Part III of this Regulation.

3.2.3.1. The test result obtained from this test shall comply with the regulation specified at Point 2.4 Article 2 Part II of this Regulation.

3.2.4. Type IV test: under Annex G attached to TCVN 6785:2015 (not applicable to heavy reference mass vehicles equipped with petrol engines).

3.2.4.1. Requirements for characteristics of fuel for performance of tests are provided in Article 4 Part III of this Regulation.

3.2.4.2. The test result obtained from this test shall comply with the regulation specified at Point 2.5 Article 2 Part II of this Regulation.

3.2.5. Type V test (not applicable to heavy reference mass vehicles equipped with petrol engines) shall be carried out as follows:

3.2.5.1. This test represents an ageing test of 160,000 km driven in accordance with the program specified in Annex L attached to this Regulation on a test track, on the road or on a chassis dynamometer. The manufacturer or importer shall drive the vehicle themself according to standard within the corresponding distance. Vehicles that can be fueled either with petrol or with LPG or NG/biomethane should be tested in the Type V test on petrol only. In that case the deterioration factor found with petrol will also be taken for LPG or NG.

3.2.5.2. In addition, the manufacturer or importer may provide deterioration factors and documents proving that the determination of deterioration factors conforms to the regulations specified in Annex L attached to this Regulation.

3.2.5.3. At the request of the manufacturer or importer, the test facility may conduct type V test using the deterioration factors from Table 3 Point 2.6 Article 2 Part II of this Regulation.

Note: ^(*) For electric hybrid vehicles, apart from carry outing type I, type II, type III and type IV tests as specified at Points 3.2.1, 3.2.2, 3.2.3 and 3.2.4 Article 3 part III of this Regulation, the corresponding regulations specified in Annex N attached to TCVN 6785:2015 shall be complied with.

3.2.6. OBD test:

3.2.6.1. Check the functional operation characteristics of the OBD system as declared and accompanying documentary evidences provided by the manufacturer or importer according to the requirements enshrined in Point 2.7 Article 2 Part II of this Regulation.

3.2.6.2. Test the effectiveness of OBD through the functional error indicator (MI) and error code when temporarily disconnecting (or deactivating) any 04 sensors or components related to emissions (if installed) as follows: exhaust catalytic converter, oxygen, NOx, temporary electrical disconnection (or deactivation) of other sensors. The selection of sensors or components to temporarily disconnect (or deactivate) can be done according to the recommendations of the manufacturer or importer to ensure the normal operating condition of the test sample after testing and check. However, the option must be to temporarily disconnect (or deactivate) at least one sensor or component (if installed) of the post-exhaust pollution control systems. It is the responsibility of the manufacturer or importer to perform temporary disconnection (or deactivation) of sensors or components and ensure the Testing Facility has access to testing for functional errors (MI) and error code. The manufacturer or importer is responsible for ensuring the normal operating condition of the test sample after inspection and testing.

3.2.7. Opacity test: under TCVN 6565:2006.

3.2.7.1. This test shall be carried out on sample vehicles in accordance with Point 2.2 Article 2 Part III of this Regulation.

3.2.7.2. Requirements for characteristics of fuel for performance of the test are provided in Article 4 Part III of this Regulation.

3.2.7.3. The test result obtained from this test shall comply with the regulation specified at Point 2.8 Article 2 Part II of this Regulation.

3.3. Tests on heavy reference mass vehicles equipped with compression ignition engines

3.3.1. The measurement of power and torque of engines shall comply with TCVN 9725:2013, difference in power between measured values and values declared by the engine manufacturer shall conform to the regulations specified in Annex K to TCVN 6565:2006.

3.3.2. ESC, ELR and ETC tests: under Annex B to TCVN 6567:2015.

3.3.2.1. For ETC test, standards and permitted point deletions (omitted) when making assessment in relation to regression line tolerances specified in Annex M attached to this Regulation.

3.3.2.2. Requirements for characteristics of fuel for performance of tests are provided in Article 4 Part III of this Regulation.

3.3.2.3. The test result obtained from this test shall comply with the regulation specified at Point 3.2 Article 3 Part II of this Regulation.

3.3.2.4. For vehicles fitted with an aftertreatment system based on a continuous regeneration process, the test must be carried out in accordance with Article B.2.8.1 Annex B to TCVN 6567:2015.

3.3.2.5. For vehicles fitted with an aftertreatment system based on a periodical regeneration process, the test must be carried out in accordance with Article B.2.8.2 Annex B to TCVN 6567:2015. To be specific:

3.3.2.5.1. If the manufacturer or importer provides data to show that the emissions remain constant (±15 %) between regeneration phases, one ETC test during and outside a regeneration event may be carried out and the results shall be calculated as specified in Article 5.5.1 Annex B - Appendix B2 to 6567:2015. The manufacturer or importer shall provide an aftertreatment system that has been loaded in order to achieve regeneration during an ETC test or as specified in Article 3.3.2.5.2 below.

3.3.2.5.2. The results of the ETC test during the regeneration process can be used according to the documentation provided by the producer or importer to exempt the ETC test of the regeneration process.

3.3.3. OBD test

3.3.3.1. Check the functional operation characteristics of the OBD system as declared and accompanying documentary evidences provided by the manufacturer or importer according to the requirements enshrined in Point 3.3 Article 3 Part II of this Regulation.

3.3.3.2. Test the effectiveness of OBD through the functional error indicator (MI) and error code when temporarily disconnecting (or deactivating) any 04 sensors or components related to emissions (if installed) as follows: exhaust catalytic converter, oxygen, NOx, temporary electrical disconnection (or deactivation) of other sensors. The selection of sensors or components to temporarily disconnect (or deactivate) can be done according to the recommendations of the manufacturer or importer to ensure the normal operating condition of the test sample after testing and check. However, the option must be to temporarily disconnect (or deactivate) at least one sensor or component (if installed) of the post-exhaust pollution control systems. It is the responsibility of the manufacturer or importer to perform temporary disconnection (or deactivation) of sensors or components and ensure the Testing Facility has access to testing for functional errors (MI) and error code. The manufacturer or importer is responsible for ensuring the normal operating condition of the test sample after inspection and testing.

3.3.4. Opacity test: under TCVN 6565:2006.

3.3.4.1. This test shall be carried out on sample vehicles in accordance with Point 2.2 Article 2 Part III of this Regulation.

3.3.4.2. Requirements for characteristics of fuel for performance of the test are provided in Article 4 Part III of this Regulation.

3.3.4.3. The test result obtained from this test shall comply with the regulation specified at Point 3.4 Article 3 Part II of this Regulation.

4. Test fuel: the following fuels may be used:

4.1. Common fuels for testing satisfying applicable regulations fuels level 5 imposed by the Minister of Science and Technology.

4.2. Reference fuels specified in Annex G attached to this Regulation or fuels whose characteristics are equivalent to reference fuels.

5. Test reports

Every Technical Service responsible for the type approval tests shall prepare a test report including at least the particulars specified in Annexes B, D and E attached to this Regulation corresponding to each type of test and standard applied.

6. Extensions to type approvals

6.1. For vehicles M1, M2, N1, N2 with a standard mass of not more than 2,840 kg and satisfying the extended conditions for accepting the results specified in Points 6.2 and 6.3, Article 6, Part III of this Regulation, the test results will be applied, for tests of vehicles M1, M2, N1, N2 respectively at the request of the manufacturer or importer.

The extension of recognition of test results only applies to vehicle types M1, N1, M2, N2 that have been tested for emissions according to TCVN 678 5:2015 and to vehicle types that have been tested for smoke levels according to TCVN 6565:2015.

If vehicles manufactured from base vehicles satisfy the above-mentioned conditions for extension to type approvals, results of emission test on the corresponding base vehicles may be accepted.

3.2. For light reference mass vehicles or heavy reference mass vehicles not more than 2,840 kg

6.2.1. Type approval may be extended to a vehicle granted type approval as type approval granted to a type of vehicle whose essential characteristics specified in Annex A attached to this Regulation are different from those of the vehicle granted type approval according to one of the two following regulations: Sample vehicle emissions test results of a certified vehicle type (hereinafter referred to as “certified vehicle type”) may be extended to be recognized as test results for a specific type of vehicle. The vehicle has a registration of parameters specified in Annex A of this Regulation that is different from the registration of parameters of the vehicle type that has been certified according to one of the two regulations below:

6.2.1.1. Differ only in the model code or trade name specified at Point A.1.3 Annex A attached to this Regulation;

6.2.1.2. Differ only in the model code or trade name, maximum mass (not changing the category of vehicle) and parameters in each case specified at Points 6.2.2 to 6.2.5 Article 6 Part III of this Regulation.

6.2.2. For Type I, Type II and Type III tests

6.2.2.1. Case 1

6.2.2.1.1. The reference mass is different from the reference mass of the certified vehicle type but correspondingly has an inertia level of one of the two adjacent higher inertia levels or any lower inertia level in Table 10 of this Regulation.

6.2.2.1.2. For vehicle types of categories N1 and N2: the reference mass is lower than the reference mass of the vehicle model that has been certified for emissions and the emission measurement results from the certified vehicle model do not exceed the limit values. The emission limits prescribed for the vehicle type being considered acknowledge this result.

6.2.2.2. Case 2

6.2.2.2.1. For each gear ratio used in the Type I Test, the ratio E shall not be greater than 08%, E being calculated as follows:

In which:

 - vehicle speed of the certified vehicle type when the engine speed is 1,000 r/min;

 - vehicle speed of the vehicle type under consideration when the engine speed is 1,000 r/min.

Table 10. Reference mass Rm and equivalent inertial mass of vehicles

6.2.2.2.2. If E of at least one transmission ratio is greater than 08% and at the same time E of all transmission ratios is not greater than 13%, the type I test shall still be repeated. However, this test may be carried out at any testing facility approved by the Certification Authority, which need not be a model vehicle testing facility of the certified vehicle type. The results of the exhaust gas test must comply with the provisions of Point 2.2, Article 2, Part II of this Regulation. This test report must be submitted to the model vehicle testing facility of the certified vehicle type.

6.2.2.3. Case 3

The vehicle type is different in both Rm and gear ratio but meets all the conditions in both cases above.

Note: Vehicle types that have been approved to extend emissions test results according to the above regulations cannot be used to extend other subsequent vehicle types according to the above regulations.

6.2.2.4. Case 4:

6.2.2.4.1. It is possible to extend certification from one vehicle model to other vehicle models using the same periodic regeneration system, if the parameters stated below are the same or within the allowable limits.

6.2.2.4.2. Identical parameters for extending approval are:

a. Engine;

b. Combustion process;

c. Periodically regenerating system (i.e. catalyst, particulate trap);

d. Construction (i.e. type of enclosure, type of precious metal, type of substrate, cell density);

dd. Type and working principle;

e. Dosage and additive system;

g. Volume: ±10%;

h. Location (temperature ±50°C at 120 km/h or 5% difference of max. temperature/pressure);

6.2.2.4.3. Use of Ki factors for vehicles with different reference masses:

The Ki coefficient applies to vehicles using the periodic regeneration coefficient stated in Annex M attached to TCVN 6785:2015, can be applied to other vehicle models if they meet the parameters stated above and have a reference mass of in the next two higher equivalent inertia ranges or in any lower equivalent inertia range.

6.2.3. For type IV tests

6.2.3.1. The basic principle of air or fuel dosing must be the same (single point injection, etc.).

6.2.3.2. The shape of the fuel tank, the material of the fuel tank and of the liquid fuel hoses must be the same. The cross-section and length of the hose must be the same. The testing facility responsible for emissions testing for certification must decide whether different vapor or liquid separators are acceptable.

6.2.3.3. The fuel tank volume is within a range of ±10%. The setting of the fuel tank relief valve is identical.

6.2.3.4. Method of storage of the fuel vapor is identical, i.e. trap form and volume, storage medium, air cleaner (if used for evaporative emission control), etc.

6.2.3.5. The method of purging the stored vapor is identical (for example, air flow, etc.).

6.2.3.6. However, the following cases are allowed:

6.2.3.6.1. Different engine sizes;

6.2.3.6.2. Different engine powers;

6.2.3.6.3. Automatic and manual gearboxes, two- and four-wheel transmissions;

6.2.3.6.4. Different body styles;

6.2.3.6.5. Reference masses may be different but must be in accordance with Article 6.2.2.1 Article 6 Part III of this Regulation.

6.2.3.6.6. Different wheel and tyre sizes.

6.2.4. For type V tests

6.2.4.1. The extension of the test results shall be applicable to different vehicle models, provided that the engine, pollution control or pollution control system parameters specified below are the same or remain within the prescribed tolerances:

6.2.4.1.1. Inertia category: the two inertia categories immediately above and any inertia category below.

6.2.4.1.2. Total road load at 80 km/h: +05 % above and any value below.

6.2.4.1.3. Pollution control system parameters:

a. Catalytic converters and particulate filters:

- Number of catalytic converters, filters and elements;

- Size of catalytic converters and filters (volume of monolith ±10 per cent);

- Type of catalytic activity (oxidizing, three-way, lean NOx trap, SCR, lean NOx catalyst or other);

- Precious metal load (identical or higher);

- Precious metal type and ratio (±15 per cent);

- Substrate (structure and material);

- Cell density;

- Temperature variation is not more than 50K at the inlet of the catalytic converter or filter. This temperature variation shall be tested under steady-state conditions at a speed of 120 km/h and a Type I Test load setting.

b. Air injection:

- With or without;

- Type (pulsair, air pumps, other(s)).

c. EGR:

- With or without;

- Type (cooled or uncooled, active or passive control, high pressure or low pressure).

6.2.4.1.3. Durability testing can be performed using a vehicle model with different body styles, transmissions (automatic or manual) and wheel or tire sizes, from those type certifications are required.

6.2.5. Extensions for on-board diagnostics

The extension of the test results will be applicable to different vehicle models with the same engine and emission control systems as defined in Appendix K - Appendix K2 attached to TCVN 6785:2015. The extension of the test results can be applied to vehicles with the following different characteristics:

6.2.5.1. Engine accessories;

6.2.5.2. Tyres;

6.2.5.3. Equivalent inertia;

6.2.5.4. Cooling system;

6.2.5.5. Overall gear ratio;

6.2.5.6. Transmission type;

6.2.5.7. Type of bodywork.

6.3. For vehicles or engines applying TCVN 6567:2006

Article 5 or Article 9 or Article 13 specified in TCVN 6565:2006 shall apply to each case respectively.

7. Conformity of production of series

7.1. Vehicles and engines of vehicle types and engines that have been type-certified and mass-produced must be compatible with vehicle types and engines that have been certified for emissions as stated in Part II of this Regulation.

7.2. The frequency of inspection and monitoring of vehicle emissions during mass production is specified in Point 7.1 of this Article in accordance with current regulations on inspection of technical safety quality and environmental protection for newly assembled, manufactured and imported automobiles by the Minister of Transport.

7.3. The verification shall be based on certification documentation and involve performance of corresponding tests as specified in Article 3 Part III of this Regulation on vehicles (for light reference mass vehicles) or engines (for heavy reference mass vehicles or vehicles that are applying TCVN 6567:2006) taken from the series. Exhaust emission test results shall meet requirements concerning exhaust limits specified in Part II of this Regulation.

7.4. If the emissions test results do not satisfy the requirements stated in Part II of this Regulation, the manufacturer may request to retest other vehicles or engines taken from the series of vehicles or engines. The number of vehicles or engines is determined as follows:

7.4.1. With regard to the vehicles or engines that are applying TCVN 6785:2015 or TCVN 6567:2015, the manufacturer shall determine the size n of the vehicles or engines; such vehicles or engines shall include those specified in Article 7.4. The arithmetical mean of the results obtained with the sample and the standard deviation S of the sample shall be determined for each gaseous pollutant. The production of the series shall be deemed to conform if meeting the following conditions:

In which:

L is the limit value for each gaseous pollutant, particulate and smoke considered;

 is any of the individual results obtained with the sample n;

The standard deviation S² = , x_i is the result obtained with the sample i; k is a statistical factor depending on n and given in Table 11 below:

Table 11. Statistical factor k

If n ³ 20:

7.4.2. With regard to vehicles or engines that are applying TCVN 6565:2006 for opacity test: the number of vehicles or engines shall be determined and the tests as specified in Article 6.2 Article 6 or Article 10.2 Article 10 of TCVN 6565:2006 shall be carried out corresponding to each case.

Part IV. IMPLEMENTATION

1. The Vietnam Register shall be responsible for implementing this Regulation.

2. In case any of the standards, regulations and provisions referred to in this Regulation are amended or replaced, the newest one shall prevail.

Annex A

Essential characteristic of vehicle and engine

(For light reference weight vehicles)

A.1. Vehicle

A.1.1. Category of the vehicle (M1, N1, M2, N2, incomplete vehicle for categories M1/M2/N1/N2):

................................................................................................................................

A.1.2. Trade name or mark of the vehicle: ..................................................

A.1.3. Commercial name, if available: ....................................

A.1.3.1. Vehicle type/ model code: ............................................................

A.1.3.2. VIN: .........................................................................................

A.1.4. Manufacturer or Importer:

A.1.4.1. Assembly plant's/ Importer’s name and address: .............................................................................................

A.1.4.2. Name and address of manufacturer's representative (If applicable): .....................................................

A.1.5. Photographs or drawings of a representative vehicle: .........................................................................................

A.1.6. Unladen mass of the vehicle: ................................. kg

A.1.7. Maximum unladen mass of the completed vehicle as registered by the manufacturer (in case of an incomplete vehicle): .......................................... kg

A.1.8. Maximum mass of the vehicle: ................. kg

A.1.9. Number of seats (including the driver): ....................

A.1.10. Transmission:

A.1.10.1. Clutch

A.1.10.1.1. Type: ...................................................................................

A.1.10.1.2. Maximum torque conversion: ....................

A.1.10.2. Gearbox

A.1.10.2.1. Type: ........................................................................................

A.1.10.2.2. Location relative to the engine: .............................

A.1.10.2.3. Manual/automatic/ continuously variable transmission/ other) (1): ........................................................

A.1.10.3. Gear ratios

A.1.11. Suspension

A.1.11.1. Tyres and wheels

A.1.11.1.1. Tyre/wheel combination(s) (for tyres indicate size designation, minimum load capacity index, minimum speed category symbol; for wheels, indicate rim size(s) and off-set(s):

A.1.11.1.1.1. Axle1 ........................................................................................................

A.1.11.1.1.2. Axle2 ........................................................................................................

A.1.11.1.1.3. Axle3 ........................................................................................................

A.1.11.2. Upper and lower limit of rolling circumference:

A.1.11.2.1. Axle1 ................................................................................................ mm

A.1.11.2.2. Axle2 ................................................................................................ mm

A.1.11.2.3. Axle3 ................................................................................................ mm

A.1.11.3. Tyre pressure(s) recommended by the manufacturer: ............................................................................................... kPa

A.1.11.4. Number of tyres and spare tyre

A.1.12. Powered axles (number, position, interconnection): ............................................................................................

A.1.13. Max speed of vehicle (km/h):.......................................

A.1.14. Coefficient of resistance, if any

A.1.14.1. Coefficient of Rolling resistance F0 (N): .....................................

A.1.14.2. Coefficient of friction F1 (N/(km/h): ..............................................

 - Coefficient of air resistance F2 (N/(km/h)2): ..................

A.1.15. Wheel base of vehicle (m): ...........................................

A.1.16. Photographs or drawings of a representative vehicle:

................................................................................................................................

A.2. Engine

In case of microprocessor-controlled functions, appropriate operating information shall be supplied.

A.2.1. Manufacturer: .............................................................................

A.2.1.1. Manufacturer's engine identification (as marked on the engine, or other refers to of identification):

A.2.1.1.1. Mark or make of engine: ..............................................

A.2.1.1.2. Engine type: ............................................................

A.2.1.1.3. Engine number: .......................................................................

A.2.2. Internal combustion engine:

A.2.2.1. Specific engine information:

A.2.2.1.1. Working principle: positive-ignition/ compression-ignition, four stroke/ two stroke (1): …………………

A.2.2.1.2. Number, arrangement and firing order of cylinders:

A.2.2.1.2.1. Bore(3): ................................................................. mm

A.2.2.1.2.2. Stroke(3): ................................................................... mm

A.2.2.1.2.3. Firing order: ..................................................................

A.2.2.1.3. Engine capacity(4): .............................................. cm3

A.2.2.1.4. Volumetric compression ratio(2): .....................................................

A.2.2.1.5. Drawings of combustion chamber and piston crown: ..............................................................................................

A.2.2.1.6. Idle speed (2): .......................................................................

 High idle engine speed r/min (r.p.m. or min-1):

................................................................................................................................

A.2.2.1.7. Carbon monoxide content by volume in the exhaust gas with the engine idling (according to the manufacturer's specifications)(2): .....................................................................................................

A.2.2.1.8. Maximum net power: ....................................... kW at engine speed:.............................r/min (r.p.m. or min-1)

A.2.2.1.9. Maximum permitted engine speed as specified by the manufacturer: ................. r/min

A.2.2.1.10. Maximum net torque of engine on bench: ................................................................................... (Nm) at engine speed: ..............................r/min (r.p.m. or min-1)

A.2.2.2. Fuel: Diesel/ petrol/ LPG/ NG-Biomethane/ Ethanol (E85)/Biodiesel/Hydrogen

A.2.2.3. RON of unleaded petrol: ...................

A.2.2.4. Fuel feed:

A.2.2.4.1. By fuel injection (compression-ignition only): Yes/no(1)

A.2.2.4.1.1. System description:....................................

A.2.2.4.1.2. Working principle: direct injection/pre-chamber/swirl chamber(1): ......................

A.2.2.4.1.3. Injection pump:

a. Make(s) or mark or mark: ...............................................................

b. Type(s): ....................................................................................................

c. Maximum fuel delivery: mm3/ stroke or cycle: ..................................................................................................................

at a pump speed (r.p.m): .................................................. r/min

or characteristic diagram ...............................................

d. Injection timing: (2) ...................................................................

dd. Injection advance curve: (2) ................................................

e. Calibration procedure: test bench/ engine(1) .................................................................................................

A.2.2.4.1.4. Governor:

a. Type: ..........................................................................................................

b. Cut-off point: ....................................................................

c. Cut-off point under load: .................................. r/min (r.p.m. or min-1)

d. Without load: ............................................. . r/min (r.p.m. or min-1)

dd. Idling speed: ........................................ r/min (r.p.m. or min-1)

A.2.2.4.1.5. Injector(s)

a. Make(s) or mark: ..............................................................................

b. Type(s): .....................................................................................................

c. Opening pressure: (2) ................................................. kPa

d. or characteristic diagram: ...............................................

A.2.2.4.1.6. Cold start system/device:

a. Make(s) or mark: ..............................................................................

b. Type(s): .....................................................................................................

c. Description: ..............................................................................................

A.2.2.4.1.7. Auxiliary starting aid:

a. Make(s) or mark: ..............................................................................

b. Type(s): .....................................................................................................

c. Description: ..............................................................................................

A.2.2.4.2. By fuel injection (positive-ignition only): Yes / No (1)

A.2.2.4.2.1. System description: ................................

A.2.2.4.2.2Working principle: intake manifold (single/multi-point)/ direct injection/other (specify): .......................................................................

A.2.2.4.2.3. Make(s) or mark): .........................................................................

A.2.2.4.2.4. Type(s): ................................................................................................

A.2.2.4.2.5. Injectors:

a. Opening pressure(2) kPa: .........................................................

or characteristic diagram (2): ......................................

b. Make(s) or mark: .........................................................................

c. Type(s): ................................................................................................

A.2.2.4.2.6. Injection timing: ..................................................................

A.2.2.4.2.7. Cold start system/device: .....

a. Operating principle(s)): .......................................................

b. Operating limits/ settings:(1) (2) .............

A.2.2.4.3. Feed pump: ...............................................................

Pressure: (2) ........ kPa or characteristic diagram

A.2.2.4.4. By LPG fueling system: yes/no(1)

A.2.2.4.4.1. Approval number according to TCVN 7467:2005 (ECE 67) or equivalent standard: .............................................................................................................

A.2.2.4.4.2. Electronic Engine Management Control Unit for LPG-fueling: .......................................................

a. Make(s) or mark: ..............................................................................

b. Type: ..........................................................................................................

c. Emission related adjustment possibilities: ..........................................................................................................

A.2.2.4.4.3. Further documentation:

a. Description of the safeguarding of the catalyst at switch-over from petrol to LPG or back: .......................................................................................................

b. System lay-out electrical connections, vacuum connections compensation hoses, etc.: ...............................................................................................................................

c. Drawing of the symbol: .............................................

A.2.2.4.5. By NG fueling system: Yes/ No(1)

A.2.2.4.5.1. Approval number according to TCVN 7465:2005 (ECE 110) or equivalent regulation: .....................................................................................

A.2.2.4.5.2. Electronic Engine Management Control Unit for NG-fueling: ....................................................

a. Make(s) or mark: .........................................................................

b. Type: .....................................................................................................

c. Emission related adjustment possibilities: ....................................................................................................

A.2.2.4.5.3. Further documentation:

a. Description of the safeguarding of the catalyst at switch-over from petrol to NG or back: ....................................................................................................

b. System lay-out electrical connections, vacuum connections compensation hoses, etc.:

..........................................................................................................................

c. Drawing of the symbol: .......................................

A.2.2.5. Ignition

A.2.2.5.1. Make(s) or mark: .........................................................................

A.2.2.5.2. Type(s): ................................................................................................

A.2.2.5.3. Working principle: .........................................................

A.2.2.5.4. Ignition advance curve:(2) .......................................

A,2.2.5.5. Static ignition timing:(2) ......... degrees before TDC......................................................................................................

A.2.2.5.6. Contact-point gap(2): .................................................. mm

A.2.2.5.7. Dwell-angle(2): ...............................................................

A.2.2.5.8. Spark plugs:

A.2.2.5.8.1 Make or mark: .............................................................................

A.2.2.5.8.2. Type: ………………………………………………………………………..

A.2.2.5.8.3. Spark plug gap Setting: ....................

A.2.2.5.9. Ignition coil

A.2.2.5.9.1. Make or mark: .............................................................................

A.2.2.5.9.2. Type: .....................................................................................................

A.2.2.5.10. Ignition condenser

A.2.2.5.10.1. Make or mark: .............................................................................

A.2.2.5.10.2. Type: .....................................................................................................

A.2.2.6. Cooling system: liquid/air (1)

A.2.2.7. Intake system

A.2.2.7.1. Pressure charger: Yes/ No(1)

A.2.2.7.1.1. Make(s) or mark: .........................................................................

A.2.2.7.1.2. Type(s): ................................................................................................

A.2.2.7.1.3. Description of the system (maximum charge pressure: ………. kPa, wastegate ………...)

A.2.2.7.2 Intercooler(5): Yes/ No(1)

A.2.2.7.3 Description and drawings of inlet pipes and their accessories (plenum chamber, heating device, additional air intakes, etc.)

A.2.2.7.3.1. Intake manifold description (include drawings or photographs): ………………………….…………………

A.2.2.7.3.2. Air filter, drawings......, ........ (or): ………

a. Make(s) or mark: .........................................................................

b. Type(s): ................................................................................................

A.2.2.7.3.3. Intake silencer, drawing......,... or

a. Make(s) or mark: .........................................................................

b. Type(s): ................................................................................................

A.2.2.8. Exhaust system

Description and drawings of the exhaust system: ...........................................................................................................

A.2.2.9. Valve timing or equivalent data: ..............................................................................................

A.2.2.9.1. Maximum lift of valves, angles of opening and closing, or timing details of alternative distribution systems, in relation to dead centres: ..........................................

A.2.2.9.2. Reference or setting ranges:(1)

..........................................................................................................................

A.2.2.10. Lubricant used: ................................................

A.2.2.10.1. Make or mark: .............................................................................

A.2.2.10.2. Type: .....................................................................................................

A.2.2.11. Measures taken against air pollution

A.2.2.11.1. The crankcase emission pollution control method) (description): .........................................................

A.2.2.11.2. Device for recycling crankcase gases (description and drawings): ...............................................

A.2.2.11.3. Additional pollution control devices (if any, and if not covered by another heading)

A.2.2.11.3.1. Catalytic converter: yes/no (1)

a. Number of catalytic converters and elements: ................................................................................................

b. Dimensions and shape of the catalytic converter(s)(volume,...) (5): ......................................

c. Type of catalytic action(5): .......................................

d. Total charge of precious metal(5): ...........

dd. Relative concentration: ..............................................

e. Substrate (structure and material) (5): .....

g. Cell density (5): ...............................................................................

h. Type of casing for catalytic converter(s) (5): ...................................................................................................

i. Positioning of the catalytic converter(s) (place and reference distances in the exhaust system): .................................................................

k. Regeneration systems/ method of exhaust after-treatment systems, description (5): ………….

l. The number of Type I operating cycles, or equivalent engine test bench cycles, between two cycles where regenerative phases occur under the conditions equivalent to Type I test (Annex M attached to TCVN 6785:2015 (5): .........................................................................

m. Description of method employed to determine the number of cycles between two cycles where regenerative phases occur (5): ........................................ ………

n. Parameters to determine the level of loading required before regeneration occurs (i.e. temperature, pressure etc. (5): .......................................................................................................... ………….

o. Description of method used to load system in the test procedure specified in Annex M attached to TCVN 6785:2015(5): .....................................................................................................

p. Normal operating temperature range (K)(5): ..................................................................................................................

q. Consumable reagents (where appropriate): ...................................................................................................

r. Type and concentration of reagent needed for catalytic action (where appropriate)(5):

s. Normal operational temperature range of reagent (where appropriate(5): .......................................

t. International standard (where appropriate):

..........................................................................................................................

u. Frequency of reagent refill: continuous/ maintenance (where appropriate): ...............................................

v. Make of catalytic converter: ....................

x. Oxygen sensor: type(5) ................................................

- Location of oxygen sensor(5): ...............................

- Control range of oxygen sensor(5): ........

- Make of oxygen sensor: ......................................

- Identifying part number: ..........................................................

A.2.2.11.3.2. Air injection: Yes/ No(1): ...................................

Type (pulse air, air pump, etc.) .........................................................................................................

A.2.2.11.3.3. EGR exhaust gas recycle: Yes/No(1)

Characteristics: (flow, ................)....................

A.2.2.11.3.4. Evaporative emission control system. Complete detailed description of the devices and their state of tune: ...........................

a. Drawing of the evaporative control system

..........................................................................................................................

b. Drawing of the carbon canister: ..................................

c. Drawing of the fuel tank with indication of capacity and material: ........................................................

A.2.2.11.3.5. Particulate trap: Yes/ No(1)

a. Dimensions and shape of the particulate trap (capacity)(5): .............................................................................

b. Type of particulate trap and design (5): ..........................

c. Location of the particulate trap (reference distances in the exhaust system)(5): ......................

d. Regeneration system/method. Description and drawing(5): .....................................................

dd. - Regeneration systems/method of exhaust after-treatment systems, description(5): .....................................................................................................

e. The number of Type I operating cycles, or equivalent engine test bench cycles, between two cycles where regenerative phases occur under the conditions equivalent to Type I test (Annex M attached to TCVN 6785:2015)(5): ........................................................................

g. Description of method employed to determine the number of cycles between two cycles where regenerative phases occur(5): ..............................................

h. Parameters to determine the level of loading required before regeneration occurs (i.e. temperature, pressure etc.(5): .......................

i. Make of particulate trap(5): .............................................

k. Identifying part number(5): .............................................................

A.2.2.11.3.6. Other systems (description and working): ..........................................................................................................

a. On-board-diagnostic (OBD) system: (Yes/ no): ......................................................................................

b. Written description or drawing of the malfunction indicator (MI)(5): .....................................................

c. List and purpose of all components monitored by the OBD system: ..........................

d. Written description (general working principles) for:

- Positive-ignition engines

+ Catalyst monitoring: ....................................

+ Misfire detection: .......................................................

+ Oxygen sensor monitoring: ................................

+ Other components monitored by the OBD system(5):.......................................................................

- Compression-ignition engines

+ Catalyst monitoring: ....................................

+ Particulate trap monitoring: ...........................................

+ Electronic fueling system monitoring: ..

+ Other components monitored by the OBD system(5):.......................................................................

dd. Criteria for MI activation(5) (fixed number of driving cycles or statistical method): .........................................................................................................

e. List of all OBD output codes and formats used (with explanation of each)(5): ..........................

* The information required by this Article may, for example, be defined by completing a table as follows, which shall be attached to this annex(5):

A.2.2.11.3.7. Other systems (description and working)

.............................................................................................................................

A.2.2.11.4. Engine electronic control unit (EECU)(all engine types)

A.2.2.11.4.1. Makes: ............................................................................................

A.2.2.11.4.2. Type): .................................................................................................

A.2.2.11.4.3. Software calibration number(s)(5): ...........................................

A.2.2.11.4.4. Access method of EECU(5): ............................

A.2.2.12. The crankcase emission pollution control method) (description): ............................................................

A.2.2.13. Maximum permitted engine speed as specified by the manufacturer: .................. r/min

A.2.2.14. Maximum net torque of engine on bench(5): ………….… (N.m) at engine speed: ………..…..r/min

We undertake that this declaration document is in compliance with vehicle type for type approval and we are full responsible for matter caused by wrong or lack content in this declaration.

Note:

 (1) Strike out what does not apply.

 (2) Specify the tolerance.

 (3) This value must be rounded off to the nearest tenth of a millimeter.

(4) This value must be calculated with π = 3,1416 and rounded off, to the nearest cm3.

 (5) Not apply for individual imported vehicles, not for commercial purpose.

Annex A

Appendix A1

Information on test conditions(1)

1. Spark plug

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) ....................................................................................

4. Dynamometer load setting information (repeat information for each dynamometer test)

4.1. Vehicle bodywork type (variant/version): .................

4.2. Gearbox type (manual/automatic/CVT): ................

4.3. Fixed load curve dynamometer setting information (if used): ...............................................................................

4.3.1. Alternative dynamometer load setting method used (yes/ no): ...........................................................................................

4.3.2. Inertia mass (kg): .........................................................................

4.3.3. Effective power absorbed at 80 km/h including running losses of the vehicle on the dynamometer (kW)

......................................................................................................................................................

4.3.4. Effective power absorbed at 50 km/h including running losses of the vehicle on the dynamometer (kW)

......................................................................................................................................................

4.4. Adjustable load curve dynamometer setting information (if used): …………………..

4.4.1. Coast down information from the test track .......................................................................................................................

4.4.2. Tyres make and type: ..........................................................

4.4.3. Tyre dimensions (front/rear): .............................................

4.4.4. Tyre pressure (front/rear) (kPa): ..............................................

4.4.5. Vehicle test mass including driver (kg): ..................

4.4.6. Coast down Road coast down data (if used)

4.4.7. CP - Corrected road power

Note: (1) Not apply for individual imported vehicles, not for commercial purpose

Annex B

For light reference weight vehicles

(Test report of emission from vehicle)

B.1. Vehicle

B.1.1. Category of the vehicle: (M1, N1, M2, N2, incomplete vehicle for category M1/M2/N1/N2)

B.1.2. Trade name or mark: ...............................................................................

B.1.3. Commercial name: ..........................................................................

B.1.3.1. Vehicle type or model code: .............................................................

B.1.3.2. VIN: .............................................................................................

B.1.4. Engine

B.1.4. 1. Trade name or mark of the engine: .....................................................

B.1.4. 2. Engine type or engine code: .............................................

B.1.4.3. Engine number: ...................................................................................

B.1.5. Importer's name and address: ...............................

B.1.6. Manufacturer's name and address: ..............................

B.1.7. Unladen mass of the vehicle: ......................................... kg

Maximum unladen mass of the completed vehicle as registered by the manufacturer (in case of an incomplete vehicle) .................................................................................................. kg

B.1.8. Reference mass of the vehicle: ………….………………… kg

Maximum reference mass of the completed vehicle (in case of an incomplete vehicle) ...................................... kg

B.1.9. Maximum mass of the vehicle: ................... kg

B.1.10. Number of seats (including the driver): .........................

B.1.11. Transmission

B.1.11.1. Transmission: Manual / automatic / continuously variable transmission / other: ............

B.1.11.2. Number of gear ratios: .....................................................

B.1.11.3. Transmission ratio of gearbox:

First gear: ...............................................................................................................

Second gear: .............................................................................................................

Third gear: ..............................................................................................................

Fourth gear: .............................................................................................................

Fifth gear: ..............................................................................................................

Sixth gear: ..............................................................................................................

.................................................................................................................................................

Reserve .......................................................................................................................

For CVT - continuously variable transmission

Max: ..........................................................................................................

Min: ...........................................................................................................

B.1.11.4. Final drive ratio: ……………………………………………

B.1.11.5. Tyres:

B.1.11.5.1. Dimensions:

Axle1: ...............

Axle2: ...............

B.1.11.5.2. Dynamic rolling circumference:

Min: ......................................... mm; max: .................................. mm

B.1.11.6. Wheel drive: front, rear, 4 x 4: ......................

B.1.11.7. Pure electric vehicle: yes/ no

B.1.11.8. Hybrid electric vehicle: yes/ no

B.1.11.8.1. Category of Hybrid electric vehicle: Off Vehicle Charging (OVC)/Not Off Vehicle charging (NOVC). …

B.1.11.8.2. Operating mode switch: with/without

B.1.12. Vehicle submitted for test on): ...........................................

B.1.13. Cycle: .........................................................................

B.1.14. Cylinder capacity: ................................................................. cm3

B.1.15. Additional control pollution Devices (if any):

B.1.15.1. Kind of device:

B.1.15.1.1. Exhaust gas recirculation- EGR: Yes/ no

B.1.15.1.2. Catalystic converter: Yes/ no

Regeneration systems: Yes/ no

B.1.15.1.3. Air injection: Yes/ no

B.1.15.1.4. Evaporative emission control system: Yes/no

B.1.15.1.5. Particulate trap: Yes/ no

Regeneration systems: Yes/ no

B.1.15.1.6. Other: Yes/ no

B.1.15.2. Description of installation position: ..............................

B.1.16. Air Intake and Fuel Feed

B.1.16.1. By carburetor(s):

B.1.16.1.1. Make or mark: ...................................................................................

B.1.16.1.2. Type: .........................................................................................................

B.1.16.2. By injection: Yes/ no

B.1.16.2.1. For positive-ignition engine

B.1.16.2.1.1. Make or mark: ................................................................................

B.1.16.2.1.2. Type: ...................................................................................................... .

B.1.16.2.1.3. General description:

B.1.16.2.2. For compression-ignition engine

B.1.16.2.2.1. Make or mark: ...........................................................

B.1.16.2.2.2. Type: ............................................................................

B.1.16.2.2.3. General description: ...................................................................

B.1.16.3. Testing fuel including specifications for fuel: .............................................................................................................

B.1.16.4. Method of setting dynamometer: ...................

B.1.17. Supercharging equipment: Yes/No

B.1.18. Idling engine speed: …………… r/min (rpm. or min-1)

B.1.18.1. High Idling engine speed: …….…r/min (rpm. or min-1)

B.1.19. Engine speed at maximum power: ………… r/min (rpm. or min-1)

B.1.20. Maximum power: ……………….. kW

B.1.21. Power train (for pure electric vehicle or hybrid electric vehicle)

B.1.21.1. Maximum net power: ………kW, at: ……………… to . ........ min-1

B.1.21.2. Maximum thirty minutes power: .............................. ...................................................... kW

B.1.22. Traction battery (for pure electric vehicle or hybrid electric vehicle)

B.1.22.1. Nominal voltage: .......................................................... V

B.1.22.2. Capacity (2 h rate): .................................................. Ah

B.2. Emission test:

B.2.1. Applied regulation: ....................................................................

B.2.2. Tailpipe emissions test results

B.2.2.1. Type I

Note:

 (a) Results in this calculated with regeneration factor and deterioration factor

 (1) Where applicable;

 (2) Not applicable;

 (3) Mean value calculated by adding mean values (M.Ki) calculated for THC and NOx;

 (4) Round to 2 decimal places;

 (5) Round to 4 decimal places;

 (6) Round to 1 decimal place more than limit value;

Position of the engine cooling fan during the test: Height of the lower edge above ground……… cm.

Lateral position of fan centre: ……cm Right/left of vehicle centre-line.

Information about regeneration strategy

B.2.2.2. Type II:

CO: .................. % in volume

Engine speed when measuring: …….... r/min (rpm. or min-1)

B.2.2.3. Type III: Evaluating the measurement results of pressures at measurement conditions specified at Point F.3.2 Annex F attached to TCVN 6785:2015

B.2.2.4. Type IV

B.2.2.5. Type V:

Durability test type: whole vehicle test/bench ageing test/none

B.2.2.5.1. Deterioration factor DF: calculated/assigned

B.2.2.5.1. Specify the values: ....................................................

B.2.2.5. OBD test

B.3. Conclusion:

B.3.1. Test required:

B.3.2. This vehicle was tested according to regulation QCVN 109:2021/BGTVT with regard to the emission gaseous pollutants at level 5 for newly assembly - manufactured vehicles and newly imported vehicles.

B.4. Remark:

B.4.1. The results of the test in item B.2.2 refer exclusively to sample vehicle with VIN and engine number mentioned in this report.

B.4.2. This report accompanies with essential characteristic of vehicle and engine

Annex C

Essential characteristics of engine and information concerning the conduct of test for Level 5 test (1)

(For heavy reference weight vehicles)

C.1. Description of engine

C.1.1. Manufacturer: ..............................................................................

C.1.1.1. Name and address of engine manufacturer:

..............................................................................................................................

C.1.1.2. Name and address of manufacturer/ Importer: .............................................................................................................

C.1.2. Manufacturer's engine code (as marked on the engine, or other refers to of identification): .........................................................

C.1.2.1. Trade name/ Mark or Make of engine: ..............................

C.1.2.2. Engine Type/Model code/Engine model: .....................

C.1.2.3. Engine number: ..............................................................................

C.1.3. Stroke: Four stroke/ two stroke (2): ...............................

C.1.4. Number and arrangement of cylinders: ...................

C.1.4.1. Bore: ....................................................................... mm

C.1.4.2. Stroke: .......................................................................... mm

C.1.4.3. Firing order: .....................................................................................

C.1.5. Engine capacity: ............................................... cm3

C.1.6. Volumetric compression ratio(3): .......................................................

C.1.7. Drawings of combustion chamber and piston crown: ................................................................................................

C.1.8. Minimum cross- sectional area of inlet and outlet ports: ......................................................... cm2

C.1.9. Idling speed: ......................................... r/min (rpm. or min-1)

C.1.10. Maximum net power: ...................................... kW at (r.p.m. or min-1) …………………… r/min (rpm. or min-1)

C.1.11. Maximum permitted engine speed: ……………… r/min (rpm. or min-1)

C.1.12. Maximum net torque: ..............................................Nm at (r.p.m. or min-1): ....................................................... r/min (rpm. or min-1)

C.1.13. Combustion system description: compression ignition/ positive ignition(2) ............................................

C.1.14. Fuel: Diesel / LPG / NG/ others(2)

...............................................................................................................................

C.1.15. Cooling system

C.1.15.1. Liquid: ........................................................................

C.1.15.1.1. Nature of liquid: ..........................................................................

C.1.15.1.2. Circulating pump(s) Yes/No(2): ..............................

C.1.15.1.3. Characteristics or Make(s) or mark and type(s) (if applicable): ..................................................

C.1.15.1.4. Drive ratio(s) (if applicable): .................

C.1.15.2. Air

C.1.15.2.1. Blower: Yes / No(2): ……………………

C.1.15.2.2. Characteristics or Make(s) or mark and type(s) (if applicable): ........................................................

C.1.15.2.3. Drive ratio(s) (if applicable): ........................

C.1.16. Temperature permitted by the manufacturer

C.1.16.1. Liquid cooling: Maximum temperature at outlet ……………………0C

C.1.16.2. Air cooling

C.1.16.2.1. Reference point: ……………………

C.1.16.2.2. Maximum temperature at reference point …0C

C.1.16.3. Maximum temperature of the air at the outlet of the intake intercooler (if applicable): ………..…0C

C.1.16.4. Maximum exhaust temperature at the point in the exhaust pipe(s) adjacent to the outer flange(s) of the exhaust manifold (s)/Turbocharger: ……………………0C

C.1.16.5. Fuel temperature (For C.I. engine at the injection pump inlet, for gas fueled engines at pressure regulator final stage.)

C.1.16.5.1. Min: ……………………oC

C.1.16.5.2. Max: ……………………oC

C.1.16.6. For NG engines: Fuel pressure at pressure regulator final stage

C.1.16.6.1. Min: …………………… kPa

C.1.16.6.2. Max: …………………… kPa

C.1.16.7. Lubricant temperature

C.1.16.7.1. Min: ……………………oC

C.1.16.7.2. Max: ……………………oC

C.1.17 Pressure charger: Yes/ No(2) ……………………

C.1.17.1 Make(s) or mark: ……………………

C.1.17.2 Type(s): ……………………

C.1.17.3 Description of the system (for example, max. charge pressure, wastegate, if applicable): ……………………

C.1.17.4 Intercooler: Yes/ No(2) ……………

C.1.18. Intake system: Maximum allowable intake depression at rated engine speed and at 100 % load as specified in and under the operating conditions of TCVN 6565:2006 …………………… kPa

C.1.19. Exhaust system: Maximum allowable exhaust back – pressure at rated engine speed and at 100 % load as specified in and under the operating conditions of TCVN 6565:2006 …………………… kPa

Exhaust system volume: …………………… dm3

C.1.20. Engine Electronic Control Unit (EECU) (all engine types): ……………………

C.1.20.1. Mark: ……………………

C.1.20.2. Type: ……………………

C.1.20.3. Software calibration number(s): ……………………

C.1.20.4. Access method of EECU

C.2. Measures taken against air pollution

C.2.1. Device for recycling crankcase gases (description and drawings): ………………………………….…

C.2.2. Additional pollution control devices (if any, and if not covered by another heading)

C.2.2.1. Catalytic converter): Yes/ No(2) ………………

C.2.2.1.1. Make(s) or mark: ……………………

C.2.2.1.2. Type(s): ……………………

C.2.2.1.3. Number of catalytic converters and elements: ……………………

C.2.2.1.4 Dimensions and shape of the catalytic converter(s) (volume,...) ……………………

C.2.2.1.5. Type of catalytic action ……………………

C.2.2.1.6. Total charge of precious metal: ……………………

C.2.2.1.7. Relative concentration ……………………

C.2.2.1.8. Substrate structure and material)

C.2.2.1.9. Cell density ……………………

C.2.2.1.10. Type of casing for catalytic converter(s)

……………………………………………………………………………………………..

C.2.2.1.11. Positioning of the catalytic converter(s) (place and reference distances in the exhaust system): ……………………

C.2.2.1.12. Normal operating temperature range …… oC

C.2.2.1.13. Consumable reagents (where appropriate): ……………………

C.2.2.1.14. Frequency of reagent refill continuous/ maintenance ……………………

C.2.2.2. (Oxygen sensor: type, yes/no(2) ……………………

C.2.2.2.1. Make(s) or mark: ……………………

C.2.2.2.2. Type(s): ……………………

C.2.2.2.3. Location of oxygen sensor: ……………………

C.2.2.3. Air injection: Yes/ No(2) ……………………

Type (pulse air, air pump,...

……………………………………………………………………………………

C.2.2.4. EGR exhaust gas recycle: Yes/ No(2)

C.2.2.4.1. Characteristics (make, type, Flow,..)

…………………………………………………………………………………….

C.2.2.5. Particulate trap: yes/no(2) ……………………..………

C.2.2.5.1. Dimensions, shape and capacity of the particulate trap: ……………………

C.2.2.5.2. Type and design of the particulate trap: …………

C.2.2.5.3. Location (reference distance in the exhaust line): ……………………

C.2.2.5.4. Method or system of regeneration, description or drawing: ……………………

C.2.2.5.5 Normal operating temperature (oC) and pressure (kPa) range: ……………………

C.2.2.5.6. In case of periodic regeneration

C.2.2.5.6.1. Number of ETC test cycles between 2 regenerations (n1): ……………………

C.2.2.5.6.2. Number of ETC test cycles during regeneration (n2): ……………………

C.2.2.6. Other systems: yes/no(2) ……………………

Description and working

C.3. Fuel feed

C.3.1. Diesel engine

C.3.1.1. Feed pump: ……………………

Pressure(3) or characteristic diagram(2) ……… kPa

C.3.1.2. Injection system

C.3.1.2.1. Pump