Division 3.1.4.2

Use of Ki factors for vehicles with different reference masses

The Ki factors developed by the procedures in section 3 of Annex 13 of UN/ECE Regulation No 83 for type-approval of a vehicle type with a periodically regenerating system, may be used by other vehicles which meet the criteria referred to in section 3.1.4.1 and have a reference mass within the next two higher equivalent inertia classes or any lower equivalent inertia.