Commission Delegated Regulation (EU) 2018/987 of 27 April 2018 amending and correcting Delegated Regulation (EU) 2017/655 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery (Text with EEA relevance.)
Commission Delegated Regulation (EU) 2018/987 of 27 April 2018 amending and correcting Delegated Regulation (EU) 2017/655 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery (Text with EEA relevance.)
Data as of 2026-07-04 · Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗
Delegated Regulation (EU) 2017/655 is amended as follows:
(1)
the following Article 3a is inserted:
‘Article 3a
Transitional provisions
1. Notwithstanding the application of the provisions of this Regulation, as amended by Commission Delegated Regulation (EU) 2018/987 ( *1 ) , approval authorities shall, until 31 December 2018, also continue to grant EU type-approvals to engine types or engine families in accordance with this Regulation, in its version applicable on 6 August 2018.’;
2. Notwithstanding the application of the provisions of this Regulation, as amended by Delegated Regulation (EU) 2018/987, the Member States shall, until 30 June 2019, also permit the placing on the market of engines based on an engine type approved in accordance with this Regulation, in its version applicable on 6 August 2018.
( *1 ) Commission Delegated Regulation (EU) 2018/987 of 27 April 2018 amending and correcting Delegated Regulation (EU) 2017/655 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery ( OJ L 182, 18.7.2018, p. 40 ).’;"
(2)
the Annex to Delegated Regulation (EU) 2017/655 is amended in accordance with Annex I to this Regulation.
ANNEX I
The Annex to Delegated Regulation (EU) 2017/655 is amended as follows:
(1)
points 2.6.1.1 and 2.6.1.2 are replaced by the following:
‘2.6.1.1.
Testing 9 engines with an accumulated service of less than a % of the EDP, in accordance with Table 1. Test results shall be submitted to the approval authority by 31 December 2022.
2.6.1.2.
Testing 9 engines with an accumulated service higher than b % of the EDP, in accordance with Table 1. Test reports shall be submitted to the approval authority by 31 December 2024.’;
(2)
in point 2.6.1.3, the following Table 1 is added:
‘ Table 1
% of EDP values
Reference power of selected engine (kW)
a
b
56 ≤ P < 130
20
55
130 ≤ P ≤ 560
30
70’;
(3)
point 2.6.2.1 is replaced by the following:
‘2.6.2.1.
The test results of the first nine engines shall be submitted not later than 12 months after the first engine was installed in a non-road mobile machinery and not later than 18 months after starting the production of the approved engine type or engine family.’;
(4)
point 3.1.1 is replaced by the following:
‘3.1.1.
The non-road mobile machinery's operator performing the in-service monitoring test may be other than the usual professional one if the manufacturer demonstrates to the approval authority that the designated operator has attained enough skills and training to operate the non-road mobile machine.’;
(5)
in Appendix 3, in point 4.1, the table is replaced by the following:
‘ Table
Tolerances
Slope of the regression line, m
0,9 to 1,1 – Recommended
Coefficient of determination, r 2
min. 0,90 – Mandatory’;
(6)
Appendix 5 is amended as follows:
(a)
the following point 2.1.5 is inserted before Figure 1:
‘2.1.5.
The reference work and reference CO 2 mass of an engine type, or for all engine types within the same engine family, shall be those specified in points 11.3.1 and 11.3.2 of the addendum to the EU type approval certificate of the engine type or the engine family, as set out in Annex IV to Commission Implementing Regulation (EU) 2017/656 ( *1 ) .
( *1 ) Commission Implementing Regulation (EU) 2017/656 of 19 December 2016 laying down the administrative requirements relating to emission limits and type-approval of internal combustion engines for non-road mobile machinery in accordance with Regulation (EU) 2016/1628 of the European Parliament and of the Council ( OJ L 102, 13.4.2017, p. 364 ).’;"
(b)
point 3 is replaced by the following:
‘3. Rounding of gaseous pollutant emissions calculations
In accordance with Standard ASTM E 29-06b (Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications), the final test results shall be rounded in one step to the number of places to the right of the decimal point indicated by the applicable exhaust emissions limit values set out in Article 18(2) of Regulation (EU) 2016/1628 plus one additional significant figure.’.
( *1 ) Commission Implementing Regulation (EU) 2017/656 of 19 December 2016 laying down the administrative requirements relating to emission limits and type-approval of internal combustion engines for non-road mobile machinery in accordance with Regulation (EU) 2016/1628 of the European Parliament and of the Council ( OJ L 102, 13.4.2017, p. 364 ).’;’
ANNEX II
The Annex to Delegated Regulation (EU) 2017/655 is corrected as follows:
(1)
point 5.1 is replaced by the following:
‘5.1.
The ECU shall provide data stream information to the measurement instruments or data logger of the Portable Emissions Measurement System (PEMS) in accordance with the requirements set out in Appendix 7.’;
(2)
points 6.1 to 6.4 are replaced by the following:
‘6.1.
In-service monitoring tests shall be conducted using PEMS in accordance with Appendix 1.
6.2.
Manufacturers shall comply with the test procedure set out in Appendix 2 with regard to the in-service monitoring of engines installed on non-road mobile machinery using a PEMS.
6.3.
Manufacturers shall follow the procedures set out in Appendix 3 for the pre-processing of the data resulting of the in-service monitoring of engines installed on non-road mobile machinery using a PEMS.
6.4.
Manufacturers shall follow the procedures set out in Appendix 4 for the determination of valid events during an in-service monitoring test of engines installed on non-road mobile machinery using a PEMS.’;
(3)
point 8 is replaced by the following:
‘8. Calculations
Manufacturers shall follow the procedures set out in Appendix 5 for the gaseous pollutant emissions calculations for the in-service monitoring of engines installed on non-road mobile machinery using a PEMS.’;
(4)
in point 10.1, the first sentence is replaced by the following:
‘Manufacturers shall draft a test report of the in-service monitoring of engines installed on non-road mobile machinery using a PEMS for each engine tested.’;
(5)
Appendix 5 is corrected as follows:
(a)
point 2.2.1 is replaced by the following:
‘2.2.1. Calculations of the brake specific gaseous pollutant emissions
The brake-specific gaseous pollutant emissions e
gas (g/kWh) shall be calculated for each averaging window and each gaseous pollutant in the following way:
Where:
—
m i
is the mass emission of the gaseous pollutant during the i th averaging window, g/averaging window,
—
W ( t
2,
i
) – W ( t
1,
i
) is the engine work during the i th averaging window, kWh.’;
(b)
point 2.2.3 is replaced by the following:
‘2.2.3. Calculations of the conformity factors
The conformity factors shall be calculated for each individual valid averaging window and each individual gaseous pollutant in the following way:
Where:
—
e gas
is the brake-specific emission of the gaseous pollutant, g/kWh;
—
L is the applicable limit, g/kWh.’;
(c)
in point 2.3, in the legend for the first equation, the indents relating to
and
are replaced by the following:
‘—
is the CO 2 mass measured between the test start and time t j,i
, g;
—
is the CO 2 mass determined for the NRTC, g;’;
(d)
in point 2.3.1, in the legend for the equation, the indent relating to P
max is replaced by the following:
‘—
P
max is the maximum net power, as defined in Article 3(28) of Regulation (EU) 2016/1628, kW.’;
(e)
point 2.3.2 is replaced by the following:
‘2.3.2. Calculations of the conformity factors
The conformity factors shall be calculated for each individual averaging window and each individual pollutant in the following way:
With
(in service ratio) and
(certification ratio)
Where:
—
m i
is the mass emission of the gaseous pollutant during the i th averaging window, g/averaging window,
—
is the CO 2 mass during the i th averaging window, g;
—
is the engine CO 2 mass determined for the NRTC, g,
—
m L
is the mass emission of gaseous pollutant corresponding to the applicable limit on the NRTC, g.’;
(6)
in Appendix 8, point 2.8 is replaced by the following:
‘2.8.
Engine total swept volume [cm 3 ]’.
