council direct march approxim law member state relat maximum design speed load platform 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 compli pursuant nation law relat inter alia maximum design speed load platform requir differ member state member state adopt requir addit place exist rule order eec type approv procedur subject council direct 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 caterpillar 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 preced paragraph fit pneumat tyre axl maximum design speed km articl member state refus grant eec type approv nation type approv tractor ground relat maximum design speed load platform satisfi requir set annex articl member state refus registr prohibit sale entri servic tractor ground relat maximum design speed load platform satisfi requir set annex articl member state prohibit fit load platform requir tractor fit platform member state prohibit carriag platform product permit carri trailer agricultur forestri purpos limit laid manufactur maximum load weight tractor run order author articl amend adopt technic progress requir annex oj oj offici journal adopt accord procedur laid articl council direct type approv wheel agricultur forestri tractor articl member state put forc provis order compli direct eighteen month notif forthwith inform commiss thereof member state ensur text main provis nation law adopt field cover direct commun commiss articl direct address member state brussel march council presid scheel annex maximum design speed type approv test averag speed measur straight track tractor travers direct fly start soil track stabil track flat metr long includ slope test tractor unladen run order ballast weight special equip tyre pressur road test tractor fit tyre maximum dimens tractor manufactur gear ratio test produc maximum vehicl speed throttl fulli open account unavoid error due measur techniqu increas run speed engin partial load result higher km accept type approv test author compet type approv tractor calcul maximum theoret speed manufactur guid gear ratio actual foward movement power wheel complet revolut rpm maximum power output throttl fulli open speed governor fit adjust laid manufactur load platform centr graviti platform situat axl dimens platform length exce time front rear track tractor whichev larger width exce maximum width tractor equip platform laid symmetr relat longitudin median plane tractor height load platform ground cm type platform fit normal load driver field vision remain adequ compulsori light light signal devic continu fulfil proper function load platform detach attach tractor avoid risk accident detach