Motor Vehicles (Authorisation of Special Types) Order (Northern Ireland) 1997

Grass cutting machines and hedge trimmers

6.  The Department authorises the use on roads of motor vehicles constructed or adapted for use as grass cutters or hedge trimmers (not, in either case, being vehicles controlled by a pedestrian) notwithstanding that such vehicles do not comply with regulations 7 or 79 of the Construction and Use Regulations subject to the following conditions—

(a) all other relevant requirements of the Construction and Use Regulations are complied with;

(b) the overall width of the vehicle together with any equipment mounted on it except when it is actually cutting grass or trimming hedges does not exceed 2.55 metres; and

(c) except when the vehicle is actually engaged in such operations, all cutting or trimming blades which form part of the machinery fitted to or mounted on the vehicle are effectively guarded so that no danger is caused or is likely to be caused to any person.