{
  "url": "https://openlegislation.uk/eu-regulation-2015-68/annex-VIII/division-7/division-7.4",
  "json_url": "https://openlegislation.uk/eu-regulation-2015-68/annex-VIII/division-7/division-7.4.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/VIII/division/7/division/7.4",
  "kind": "division",
  "number": "7.4",
  "heading": null,
  "text": "In the case of hydraulic brakes, the following shall be determined:\n7.4.1. Reduction ratio ig′ (see Figure 8 of Appendix 1)\n7.4.2. Pressure p* for braking torque M*\n7.4.3. Torque M* as a function of the pressure p* applied to the brake cylinder in hydraulic transmission systems.\nThe rotational speed of the braking surfaces shall correspond to an initial vehicle speed of 30 km/h in the case of Class C1 vehicle, 40 km/h in the case of Class C2 vehicle, 60 km/h in the case of Class C3 vehicle, when the towed vehicle moves forward and 6 km/h when the towed vehicle moves rearward. The following shall be derived from the curve obtained from these measurements (see Figure 7 of Appendix 1):\n7.4.3.1. The retraction pressure po and the characteristic ρ′ when the towed vehicle moves forward;\n7.4.3.2. The retraction pressure por and the characteristic ρ′r when the towed vehicle moves rearward;\n7.4.3.3. Maximum braking torque Mr up to the maximum permissible fluid volume Vr when the towed vehicle moves rearward (see Figure 7 of Appendix 1);\n7.4.3.4. Maximum permissible fluid volume Vr absorbed by one braking wheel when the towed vehicle moves rearward (see Figure 7 of Appendix 1).\n7.4.4. Surface area FRZ of the piston in the brake cylinder.",
  "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/2015/68/annex/VIII/division/7/division/7.4",
    "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."
}