ANNEX IGENERAL DEFINITIONS, CRITERIA FOR VEHICLE CATEGORISATION, TYPES OF VEHICLE AND TYPES OF BODYWORK
Appendix 1Procedure for checking whether a vehicle can be categorised as off-road vehicle
5.Gradeability
5.1.
‘Gradeability’ means the ability of a vehicle to negotiate a gradient.
5.2.
To the effect of checking the gradeability of an incomplete and a complete vehicle of category M2, M3, N2 and N3, a test shall be performed.
5.3.
The test shall be conducted by the technical service on a vehicle representative of the type to be tested.
5.4.
At the request of the manufacturer and under the conditions specified in Annex VIII, the gradeability of a type of vehicle may be demonstrated by virtual testing.