{
  "url": "https://openlegislation.uk/eu-regulation-2015-68/annex-II/division-3/division-3.1/division-3.1.1/division-3.1.1.2",
  "json_url": "https://openlegislation.uk/eu-regulation-2015-68/annex-II/division-3/division-3.1/division-3.1.1/division-3.1.1.2.json",
  "legislation": "eur/2015/68",
  "legislation_title": "Commission Delegated Regulation (EU) 2015/68 of 15 October 2014 supplementing Regulation (EU) No 167/2013 of the European Parliament and of the Council with regard to vehicle braking requirements for the approval of agricultural and forestry vehicles (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2015-68",
  "path": "annex/II/division/3/division/3.1/division/3.1.1/division/3.1.1.2",
  "kind": "division",
  "number": "3.1.1.2",
  "heading": null,
  "text": "In the case of a tractor authorized to tow an unbraked vehicle of categories R or S, the required minimum combination performance, as required in point 3.1.1.2.1, shall be attained with the unbraked towed vehicle coupled to the tractor and with the unbraked towed vehicle laden to the maximum mass declared by the tractor manufacturer.\nThe combination performance shall be verified by calculations referring to the maximum braking performance actually achieved by the tractor alone during the Type-0 test with the engine disconnected for the laden and unladen tractor (optionally also for a partially laden condition defined by the tractor manufacturer), using the following formula (no practical tests with a coupled unbraked towed vehicle are required):\nd M + R = d M × P M P M + P R Where:\ndM + R calculated mean fully developed deceleration of the tractor when coupled to an unbraked towed vehicle, in m/s2,\ndM maximum mean fully developed deceleration of the tractor alone achieved during the Type-0 test with engine disconnected, in m/s2,\nPM mass of the tractor (if applicable, including any ballast and/or supporting load)\nPM_laden mass of the tractor, laden\nPM_par_laden mass of the tractor, partial laden\nPM_unladen mass of the tractor, unladen\nPR part of the maximum mass borne by the axle(s) of a towed vehicle without a service brake which may be coupled (as declared by the tractor manufacturer)\nP M + R combination mass (mass P M + declared unbraked towed vehicle mass P R )",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Delegated Regulation (EU) 2016/1788 of 14 July 2016 amending Regulation (EU) No 167/2013 of the European Parliament and of the Council as regards the list of requirements for vehicle EU type-approval, and amending and correcting Commission Delegated Regulations (EU) No 1322/2014, (EU) 2015/96, (EU) 2015/68 and (EU) 2015/208 with regard to vehicle construction and general requirements, to environmental and propulsion unit performance requirements, to vehicle braking requirements and to vehicle functional safety requirements (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2015/68/annex/II/division/3/division/3.1/division/3.1.1/division/3.1.1.2",
    "retrieved_at": "2026-11-01T14:46:56.586941+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."
}