Division 4.1
United Kingdom
M1 or N1 vehicles shall be subcategorised as off-road vehicles if they satisfy at the same time the following conditions:
- (a)
at least one front and at least one rear axle designed to be driven simultaneously irrespective of whether one powered axle can be disengaged;
- (b)
at least one differential locking mechanism or a mechanism having similar effect is fitted;
- (c)
they are able to climb at least a 25 % gradient as a solo vehicle;
- (d)
they satisfy five out of the following six requirements:
- (i)
the approach angle shall be at least 25 degrees;
- (ii)
the departure angle shall be at least 20 degrees;
- (iii)
the ramp angle shall be at least 20 degrees;
- (iv)
the ground clearance under the front axle shall be at least 180 mm;
- (v)
the ground clearance under the rear axle shall be at least 180 mm;
- (vi)
the ground clearance between the axles shall be at least 200 mm.
- (i)