ker je na podlagi pridobljenih izkušenj in ob upoštevanju zadnjega stanja tehnike zdaj mogoče spremeniti razvrstitev standardnih traktorjev, določenih v Direktivi Sveta 78/764/EGS 3, kakor je bila nazadnje spremenjena z Direktivo 87/354/EGS 4, ter oblikovati nekatere določbe te direktive bolj natančno in popolno;
Whereas, in view of the experience acquired and taking account of the current state of the art, it is now possible to amend the classification of the standard tractors provided for in Council Directive 78/764/EEC (3), as last amended by Directive 87/354/EEC (4), and to make certain provisions of that Directive more precise and complete;