| UN R86 Tractor Lighting | Installation of Lighting and Lighting-Signalling Equipment on Tractors | Uniform Provisions Concerning the Approval of Agricultural or Forestry Tractors with regard to the Installation of Lighting and Light-signalling Devices Tractor Lighting Installation of Lighting and Lighting-Signalling Equipment on Tractors UN Regulation No. 86 UN R86 | UNR | 86 |