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Outline of Non-Road Mobile Machinery (NRMM) Emissions Regulations

Non-Road Mobile Machinery

Directive 97/68/EC (emission of gaseous and particulate pollutants from internal combustion engines to be installed in non-road mobile machinery) was adopted in 1997.

The Directive requires that, in order to be first placed on the EU market, engines for use in non-road mobile machinery must be approved to demonstrate compliance with pollutant emission limits. The measures arose from an EC policy to harmonise the national arrangements of Member States, thus removing potential barriers to trade. Directive 97/68/EC has been subsequently amended by 2001/63/EC and 2004/26/EC.

The Directive was implemented into UK law by the "Non-Road Mobile Machinery (Emission of Gaseous and Particulate Pollutants) Regulations 1999" (Statutory Instrument No. 1999/1053). The Regulations apply to new engines to be installed in non-road mobile machinery, intended and suited to move, or to be moved on the ground, either on or off the road. Approved engines must bear the following:

  • Trade mark or trade name of the engine manufacturer;
  • The engine type, engine family (if applicable, and a unique ID number;
  • The EC type approval number.

The mark must be:

  • Durable for the useful life of the engine;
  • Secured to an engine part necessary for normal engine operation and not normally requiring replacement during engine life.

Also, the engine must:

  • Be supplied with a supplementary movable plate to be positioned, if necessary, to make the marks visible when the engine is installed in a machine;
  • Bear all relevant markings before leaving the production line.

Key application Dates:

Directive requirements have been progressively applied to diesel engined machinery in various power bands between 18kW and 560kW from December 1998.

What can VCA do to Help You?

VCA can either provide practical advice on the application of the legislation or as the UK's automotive approval authority, VCA can help with initial certification. Please contact us initially on +44 (0)117 9524235 or email: enquiries@vca.gov.uk

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