{
  "url": "https://openlegislation.uk/eu-regulation-2016-1628/annex-I",
  "json_url": "https://openlegislation.uk/eu-regulation-2016-1628/annex-I.json",
  "legislation": "eur/2016/1628",
  "legislation_title": "Regulation (EU) 2016/1628 of the European Parliament and of the Council of 14 September 2016 on requirements relating to gaseous and particulate pollutant emission limits and type-approval for internal combustion engines for non-road mobile machinery, amending Regulations (EU) No 1024/2012 and (EU) No 167/2013, and amending and repealing Directive 97/68/EC (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2016-1628",
  "path": "annex/I",
  "kind": "annex",
  "number": "I",
  "heading": "Definition of engine sub-categories referred to in Article 4",
  "text": "Table I-1: Sub-categories of engine category NRE defined in point (1) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nNRE\nCI\nvariable\n0 < P < 8\nNRE-v-1\nMaximum net power\nCI\n8 ≤ P < 19\nNRE-v-2\nCI\n19 ≤ P < 37\nNRE-v-3\nCI\n37 ≤ P < 56\nNRE-v-4\nall\n56 ≤ P < 130\nNRE-v-5\n130 ≤ P ≤ 560\nNRE-v-6\nP > 560\nNRE-v-7\nCI\nconstant\n0 < P < 8\nNRE-c-1\nRated net power\nCI\n8 ≤ P < 19\nNRE-c-2\nCI\n19 ≤ P < 37\nNRE-c-3\nCI\n37 ≤ P < 56\nNRE-c-4\nall\n56 ≤ P < 130\nNRE-c-5\n130 ≤ P ≤ 560\nNRE-c-6\nP > 560\nNRE-c-7\nTable I-2: Sub-categories of engine category NRG defined in point (2) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nNRG\nall\nvariable\nP > 560\nNRG-v-1\nMaximum net power\nconstant\nP > 560\nNRG-c-1\nRated net power\nTable I-3: Sub-categories of engine category NRSh defined in point (3) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSwept volume (cm3)\nSub-category\nReference power\nNRSh\nSI\nvariable or constant\n0 < P < 19\nSV < 50\nNRSh-v-1a\nMaximum net power\nSV ≥ 50\nNRSh-v-1b\nTable I-4: Sub-categories of engine category NRS defined in point (4) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSwept volume (cm3)\nSub-category\nReference power\nNRS\nSI\nvariable ≥ 3 600 rpm; or constant\n0 < P < 19\n80 ≤ SV < 225\nNRS-vr-1a\nMaximum net power\nSV ≥ 225\nNRS-vr-1b\nvariable < 3 600 rpm\n80 ≤ SV < 225\nNRS-vi-1a\nSV ≥ 225\nNRS-vi-1b\nvariable or constant\n19 ≤ P < 30\nSV ≤ 1 000\nNRS-v-2a\nMaximum net power\nSV > 1 000\nNRS-v-2b\n30 ≤ P < 56\nany\nNRS-v-3\nMaximum net power\nFor engines < 19 kW with SV < 80 cm3 in machinery other than hand-held machinery, engines of the category NRSh shall be used.\nTable I-5: Sub-categories of engine category IWP defined in point (5) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nIWP\nall\nvariable\n19 ≤ P < 75\nIWP-v-1\nMaximum net power\n75 ≤ P < 130\nIWP-v-2\n130 ≤ P < 300\nIWP-v-3\nP ≥ 300\nIWP-v-4\nconstant\n19 ≤ P < 75\nIWP-c-1\nRated net power\n75 ≤ P < 130\nIWP-c-2\n130 ≤ P < 300\nIWP-c-3\nP ≥ 300\nIWP-c-4\nTable I-6: Sub-categories of engine category IWA defined in point (6) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nIWA\nall\nvariable\n19 ≤ P < 75\nIWA-v-1\nMaximum net power\n75 ≤ P < 130\nIWA-v-2\n130 ≤ P < 300\nIWA-v-3\nP ≥ 300\nIWA-v-4\nconstant\n19 ≤ P < 75\nIWA-c-1\nRated net power\n75 ≤ P < 130\nIWA-c-2\n130 ≤ P < 300\nIWA-c-3\nP ≥ 300\nIWA-c-4\nTable I-7: Sub-categories of engine category RLL defined in point (7) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nRLL\nall\nvariable\nP > 0\nRLL-v-1\nMaximum net power\nconstant\nP > 0\nRLL-c-1\nRated net power\nTable I-8: Sub-categories of engine category RLR defined in point (8) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nRLR\nall\nvariable\nP > 0\nRLR-v-1\nMaximum net power\nconstant\nP > 0\nRLR-c-1\nRated net power\nTable I-9: Sub-categories of engine category SMB defined in point (9) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nSMB\nSI\nvariable or constant\nP > 0\nSMB-v-1\nMaximum net power\nTable I-10: Sub-categories of engine category ATS defined in point (10) of Article 4(1)\nCategory\nIgnition type\nSpeed operation\nPower range (kW)\nSub-category\nReference power\nATS\nSI\nvariable or constant\nP > 0\nATS-v-1\nMaximum net power",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2016/1628/annex/I",
    "retrieved_at": "2026-11-01T14:45:35.124472+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}