# 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 (Text with EEA relevance), Division: Engine Category Identification Code for type approval mark Table 1 Engine Category Identification Code for type approval mark Engine Category(column 1) Engine Subcategory(column 2) EDP Category(where applicable)(column 3) Engine Category Identification Code(column 4) Engines Subject to the exhaust emission limits in Annex II to Regulation (EU) 2016/1628 NRE NRE-v-1 EV1 NRE-v-2 EV2 NRE-v-3 EV3 NRE-v-4 EV4 NRE-v-5 EV5 NRE-v-6 EV6 NRE-v-7 EV7 NRE-c-1 EC1 NRE-c-2 EC2 NRE-c-3 EC3 NRE-c-4 EC4 NRE-c-5 EC5 NRE-c-6 EC6 NRE-c-7 EC7 NRG NRG-v-1 GV1 NRG-c-1 GC1 NRSh NRSh-v-1a Cat 1 SHA1 Cat 2 SHA2 Cat 3 SHA3 NRSh-v-1b Cat 1 SHB1 Cat 2 SHB2 Cat 3 SHB3 NRS (Other than those engines tested at low temperature only for use in snow throwers) NRS-vr-1a Cat 1 SRA1 Cat 2 SRA2 Cat 3 SRA3 NRS-vr-1b Cat 1 SRB1 Cat 2 SRB2 Cat 3 SRB3 NRS-vi-1a Cat 1 SYA1 Cat 2 SYA2 Cat 3 SYA3 NRS-vi-1b Cat 1 SYB1 Cat 2 SYB2 Cat 3 SYB3 NRS-v-2a Cat 1 SVA1 Cat 2 SVA2 Cat 3 SVA3 NRS-v-2b Cat 1 SVB1 Cat 2 SVB2 Cat 3 SVB3 NRS-v-3 Cat 1 SV31 Cat 2 SV32 Cat 3 SV33 NRS (Engines tested at low temperature only for use in snow thrower) NRS-vr-1a Cat 1 TRA1 Cat 2 TRA2 Cat 3 TRA3 NRS-vr-1b Cat 1 TRB1 Cat 2 TRB2 Cat 3 TRB3 NRS-vi-1a Cat 1 TYA1 Cat 2 TYA2 Cat 3 TYA3 NRS-vi-1b Cat 1 TYB1 Cat 2 TYB2 Cat 3 TYB3 IWP IWP-v-1 PV1 IWP-v-2 PV2 IWP-v-3 PV3 IWP-v-4 PV4 IWP-c-1 PC1 IWP-c-2 PC2 IWP-c-3 PC3 IWP-c-4 PC4 IWA IWA-v-1 AV1 IWA-v-2 AV2 IWA-v-3 AV3 IWA-v-4 AV4 IWA-c-1 AC1 IWA-c-2 AC2 IWA-c-3 AC3 IWA-c-4 AC4 RLL RLL-v-1 LV1 RLL-c-1 LC1 RLR RLR-v-1 RV1 RLR-c-1 RC1 SMB SMB-v-1 SM1 ATS ATS-v-1 AT1 Engines Subject to the exhaust emission limits in Annex VI to Regulation (EU) 2016/1628SPE SPE-NRE SPE-NRE-v-1 EV1S SPE-NRE-v-2 EV2S SPE-NRE-v-3 EV3S SPE-NRE-v-4 EV4S SPE-NRE-v-5 EV5S SPE-NRE-v-6 EV6S SPE-NRE-v-7 EV7S SPE-NRE-c-1 EC1S SPE-NRE-c-2 EC2S SPE-NRE-c-3 EC3S SPE-NRE-c-4 EC4S SPE-NRE-c-5 EC5S SPE-NRE-c-6 EC6S SPE-NRE-c-7 EC7S SPE-NRG SPE-NRG-v-1 GV1S SPE-NRG-c-1 GC1S SPE-RLL SPE-RLL-v-1 LV1S SPE-RLL-c-1 LC1S Table 2 Fuelling type codes for approval marks Replace ‘#’ with approved gas specification from Table 3. Engine Fuel type(column 1) Sub-type, where applicable(column 2) Fuel Type Code(column 3) Diesel (non-road gas-oil) fuelled CI engine D Dedicated Ethanol (ED95) fuelled CI engine ED Ethanol (E85) fuelled SI engine E85 Petrol (E10) fuelled SI engine P LPG fuelled SI engine Q Natural gas/biomethane fuelled SI engine Engine approved and calibrated for the H-range of gases H Engine approved and calibrated for the L-range of gases L Engine approved and calibrated for both the H-range and L-range of gases HL Engine approved and calibrated for a specific gas composition in the H-range of gases and transformable to another specific gas in the H-range of gases by fine tuning of the engine fuelling HT Engine approved and calibrated for a specific gas composition in the L-range of gases and transformable to another specific gas in the L-range of gases after fine tuning of the engine fuelling LT Engine approved and calibrated for a specific gas composition in either the H-range or the L-range of gases and transformable to another specific gas in either the H-range or the L-range of gases by fine tuning of the engine fuelling HLT Engine approved and calibrated for a specific liquefied natural gas / liquefied biomethane composition resulting in a λ-shift factor not differing by more than 3 per cent the λ-shift factor of the G20 gas specified in Annex I to Delegated Regulation (EU) 2017/654 and the ethane content of which does not exceed 1,5 per cent LN2 Engine approved and calibrated for any other (than above) liquefied natural gas / liquefied biomethane composition. LNG Dual-fuel engines for dual-fuel engines of Type 1A 1A# for dual-fuel engines of Type 1B 1B# for dual-fuel engines of Type 2A 2A# for dual-fuel engines of Type 2B 2B# for dual-fuel engines of Type 3B 3B# Table 3 Dual Fuel Suffix Approved Gas specification Dual Fuel Suffix(column 2) Dual fuel engine approved and calibrated for the H-range of gases as gaseous component of fuel 1 Dual fuel engine approved and calibrated for te L-range of gases as gaseous component of fuel 2 Dual fuel engine being and calibrated for both the H-range and L-range of gases as gaseous component of fuel 3 Dual fuel engine approved and calibrated for a specific gas composition in the H-range of gases and transformable to another specific gas in the H-range of gases by fine tuning of the engine fuelling as gaseous component of fuel 4 Dual fuel engine approved and calibrated for a specific gas composition in the L-range of gases and transformable to another specific gas in the L-range of gases after fine tuning of the engine fuelling as gaseous component of fuel 5 Dual fuel engine approved and calibrated for a specific gas composition in either the H-range or the L-range of gases and transformable to another specific gas in either the H-range or the L-range of gases by fine tuning of the engine fuelling as gaseous component of fuel 6 Dual fuel engine approved and calibrated for a specific liquefied natural gas / liquefied biomethane composition resulting in a λ-shift factor not differing by more than 3 per cent the λ-shift factor of the G20 gas specified in Annex I to Delegated Regulation (EU) 2017/654 and the ethane content of which does not exceed 1,5 per cent as gaseous component of fuel 7 Dual fuel engine approved and calibrated for any other (than above) liquefied natural gas / liquefied biomethane composition as gaseous component of fuel 8 Dual fuel engine approved for operation on LPG as gaseous component of fuel 9 --- Source: https://www.legislation.gov.uk/eur/2017/656/attachment/6/attachment/division (the official version) Page: https://openlegislation.uk/eu-regulation-2017-656/attachment-6/attachment/division Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.