council direct approxim law member state relat coupl devic revers wheel agricultur forestri tractor eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe technic requir tractor satisfi pursuant nation law relat inter alia coupl devic revers requir differ member state member state adopt requir addit place exist rule order eec type approv procedur subject council direct eec march approxim law member state relat type approv wheel agricultur forestri tractor appli respect type tractor adopt direct articl quot agricultur forestri tractor quot mean motor vehicl fit wheel endless track axl main function li tractiv power special design tow push carri power tool machineri trailer intend agricultur forestri equip carri load passeng direct appli tractor defin paragraph fit pneumat tyre axl maximum design speed km articl member state refus grant eec type approv nation type approv tractor ground relat coupl devic revers satisfi requir set annex hereto articl member state refus registr prohibit sale entri servic tractor ground relat coupl devic revers satisfi requir set annex hereto articl amend adapt requir annex technic progress adopt accord procedur laid articl direct eec articl member state bring forc provis order compli direct month notif forthwith inform commiss thereof oj oj oj oj member state ensur text main provis nation law adopt field cover direct commun commiss articl direct address member state brussel council presid giraud annex coupl devic number tractor special devic attach connect tow bar tow rope tow purpos posit devic fit front tractor equip coupl pin design devic slot jaw type function dimens adher gt pic file quot quot gt coupl pin diamet mm fit devic prevent leav seat secur devic detach toler refer regard manufactur toler permiss variat nomin dimens pin design annex ii revers tractor equip devic revers oper drive posit